Merge remote-tracking branch 'upstream/develop/3.4' into bug/fix-active-flag-on-cloud

application/pom.xml

@@ -69,6 +69,10 @@
             <groupId>org.thingsboard.common</groupId>
             <artifactId>cluster-api</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.thingsboard.common</groupId>
+            <artifactId>version-control</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.thingsboard.rule-engine</groupId>
             <artifactId>rule-engine-components</artifactId>

application/src/main/data/upgrade/3.3.4/schema_update.sql

@@ -14,6 +14,40 @@
 -- limitations under the License.
 --
 
+ALTER TABLE device
+    ADD COLUMN IF NOT EXISTS external_id UUID;
+ALTER TABLE device_profile
+    ADD COLUMN IF NOT EXISTS external_id UUID;
+ALTER TABLE asset
+    ADD COLUMN IF NOT EXISTS external_id UUID;
+ALTER TABLE rule_chain
+    ADD COLUMN IF NOT EXISTS external_id UUID;
+ALTER TABLE rule_node
+    ADD COLUMN IF NOT EXISTS external_id UUID;
+ALTER TABLE dashboard
+    ADD COLUMN IF NOT EXISTS external_id UUID;
+ALTER TABLE customer
+    ADD COLUMN IF NOT EXISTS external_id UUID;
+ALTER TABLE widgets_bundle
+    ADD COLUMN IF NOT EXISTS external_id UUID;
+ALTER TABLE entity_view
+    ADD COLUMN IF NOT EXISTS external_id UUID;
+
+CREATE INDEX IF NOT EXISTS idx_device_external_id ON device(tenant_id, external_id);
+CREATE INDEX IF NOT EXISTS idx_device_profile_external_id ON device_profile(tenant_id, external_id);
+CREATE INDEX IF NOT EXISTS idx_asset_external_id ON asset(tenant_id, external_id);
+CREATE INDEX IF NOT EXISTS idx_rule_chain_external_id ON rule_chain(tenant_id, external_id);
+CREATE INDEX IF NOT EXISTS idx_rule_node_external_id ON rule_node(rule_chain_id, external_id);
+CREATE INDEX IF NOT EXISTS idx_dashboard_external_id ON dashboard(tenant_id, external_id);
+CREATE INDEX IF NOT EXISTS idx_customer_external_id ON customer(tenant_id, external_id);
+CREATE INDEX IF NOT EXISTS idx_widgets_bundle_external_id ON widgets_bundle(tenant_id, external_id);
+CREATE INDEX IF NOT EXISTS idx_entity_view_external_id ON entity_view(tenant_id, external_id);
+
+CREATE INDEX IF NOT EXISTS idx_rule_node_type ON rule_node(type);
+
+ALTER TABLE admin_settings
+    ADD COLUMN IF NOT EXISTS tenant_id uuid NOT NULL DEFAULT '13814000-1dd2-11b2-8080-808080808080';
+
 CREATE TABLE IF NOT EXISTS queue (
     id uuid NOT NULL CONSTRAINT queue_pkey PRIMARY KEY,
     created_time bigint NOT NULL,
@@ -35,3 +69,4 @@ CREATE TABLE IF NOT EXISTS user_auth_settings (
     user_id uuid UNIQUE NOT NULL CONSTRAINT fk_user_auth_settings_user_id REFERENCES tb_user(id),
     two_fa_settings varchar
 );
+

application/src/main/java/org/thingsboard/server/ThingsboardInstallApplication.java

@@ -32,7 +32,9 @@ import java.util.Arrays;
         "org.thingsboard.server.dao",
         "org.thingsboard.server.common.stats",
         "org.thingsboard.server.common.transport.config.ssl",
-        "org.thingsboard.server.cache"})
+        "org.thingsboard.server.cache",
+        "org.thingsboard.server.springfox"
+})
 public class ThingsboardInstallApplication {
 
     private static final String SPRING_CONFIG_NAME_KEY = "--spring.config.name";

application/src/main/java/org/thingsboard/server/actors/ActorSystemContext.java

@@ -48,7 +48,7 @@ import org.thingsboard.server.common.msg.TbMsg;
 import org.thingsboard.server.common.msg.queue.ServiceType;
 import org.thingsboard.server.common.msg.queue.TopicPartitionInfo;
 import org.thingsboard.server.common.msg.tools.TbRateLimits;
-import org.thingsboard.server.common.transport.util.DataDecodingEncodingService;
+import org.thingsboard.server.queue.util.DataDecodingEncodingService;
 import org.thingsboard.server.dao.asset.AssetService;
 import org.thingsboard.server.dao.attributes.AttributesService;
 import org.thingsboard.server.dao.audit.AuditLogService;

application/src/main/java/org/thingsboard/server/config/RateLimitProcessingFilter.java

@@ -15,17 +15,21 @@
  */
 package org.thingsboard.server.config;
 
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.security.authentication.BadCredentialsException;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.stereotype.Component;
 import org.springframework.web.filter.GenericFilterBean;
-import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.msg.tools.TbRateLimits;
 import org.thingsboard.server.common.msg.tools.TbRateLimitsException;
+import org.thingsboard.server.dao.tenant.TbTenantProfileCache;
 import org.thingsboard.server.exception.ThingsboardErrorResponseHandler;
 import org.thingsboard.server.service.security.model.SecurityUser;
 
@@ -35,42 +39,40 @@ import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
+import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 
+@Slf4j
 @Component
 public class RateLimitProcessingFilter extends GenericFilterBean {
 
-    @Value("${server.rest.limits.tenant.enabled:false}")
-    private boolean perTenantLimitsEnabled;
-    @Value("${server.rest.limits.tenant.configuration:}")
-    private String perTenantLimitsConfiguration;
-    @Value("${server.rest.limits.customer.enabled:false}")
-    private boolean perCustomerLimitsEnabled;
-    @Value("${server.rest.limits.customer.configuration:}")
-    private String perCustomerLimitsConfiguration;
-
     @Autowired
     private ThingsboardErrorResponseHandler errorResponseHandler;
 
-    private ConcurrentMap<TenantId, TbRateLimits> perTenantLimits = new ConcurrentHashMap<>();
-    private ConcurrentMap<CustomerId, TbRateLimits> perCustomerLimits = new ConcurrentHashMap<>();
+    @Autowired
+    @Lazy
+    private TbTenantProfileCache tenantProfileCache;
+
+    private final ConcurrentMap<TenantId, TbRateLimits> perTenantLimits = new ConcurrentHashMap<>();
+    private final ConcurrentMap<CustomerId, TbRateLimits> perCustomerLimits = new ConcurrentHashMap<>();
 
     @Override
     public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
         SecurityUser user = getCurrentUser();
         if (user != null && !user.isSystemAdmin()) {
-            if (perTenantLimitsEnabled) {
-                TbRateLimits rateLimits = perTenantLimits.computeIfAbsent(user.getTenantId(), id -> new TbRateLimits(perTenantLimitsConfiguration));
-                if (!rateLimits.tryConsume()) {
-                    errorResponseHandler.handle(new TbRateLimitsException(EntityType.TENANT), (HttpServletResponse) response);
-                    return;
-                }
+            var profile = tenantProfileCache.get(user.getTenantId());
+            if (profile == null) {
+                log.debug("[{}] Failed to lookup tenant profile", user.getTenantId());
+                errorResponseHandler.handle(new BadCredentialsException("Failed to lookup tenant profile"), (HttpServletResponse) response);
+                return;
+            }
+            var profileConfiguration = profile.getDefaultProfileConfiguration();
+            if (!checkRateLimits(user.getTenantId(), profileConfiguration.getTenantServerRestLimitsConfiguration(), perTenantLimits, response)) {
+                return;
             }
-            if (perCustomerLimitsEnabled && user.isCustomerUser()) {
-                TbRateLimits rateLimits = perCustomerLimits.computeIfAbsent(user.getCustomerId(), id -> new TbRateLimits(perCustomerLimitsConfiguration));
-                if (!rateLimits.tryConsume()) {
-                    errorResponseHandler.handle(new TbRateLimitsException(EntityType.CUSTOMER), (HttpServletResponse) response);
+            if (user.isCustomerUser()) {
+                if (!checkRateLimits(user.getCustomerId(), profileConfiguration.getCustomerServerRestLimitsConfiguration(), perCustomerLimits, response)) {
                     return;
                 }
             }
@@ -78,6 +80,25 @@ public class RateLimitProcessingFilter extends GenericFilterBean {
         chain.doFilter(request, response);
     }
 
+    private <I extends EntityId> boolean checkRateLimits(I ownerId, String rateLimitConfig, Map<I, TbRateLimits> rateLimitsMap, ServletResponse response) {
+        if (StringUtils.isNotEmpty(rateLimitConfig)) {
+            TbRateLimits rateLimits = rateLimitsMap.get(ownerId);
+            if (rateLimits == null || !rateLimits.getConfiguration().equals(rateLimitConfig)) {
+                rateLimits = new TbRateLimits(rateLimitConfig);
+                rateLimitsMap.put(ownerId, rateLimits);
+            }
+
+            if (!rateLimits.tryConsume()) {
+                errorResponseHandler.handle(new TbRateLimitsException(ownerId.getEntityType()), (HttpServletResponse) response);
+                return false;
+            }
+        } else {
+            rateLimitsMap.remove(ownerId);
+        }
+
+        return true;
+    }
+
     protected SecurityUser getCurrentUser() {
         Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
         if (authentication != null && authentication.getPrincipal() instanceof SecurityUser) {

application/src/main/java/org/thingsboard/server/config/ThingsboardSecurityConfiguration.java

@@ -181,13 +181,18 @@ public class ThingsboardSecurityConfiguration extends WebSecurityConfigurerAdapt
     @Autowired
     private OAuth2AuthorizationRequestResolver oAuth2AuthorizationRequestResolver;
 
+    @Override
+    public void configure(WebSecurity web) throws Exception {
+        web.ignoring().antMatchers("/*.js","/*.css","/*.ico","/assets/**","/static/**");
+    }
+
     @Override
     protected void configure(HttpSecurity http) throws Exception {
-        http.authorizeHttpRequests((authorizeHttpRequests) ->
-                authorizeHttpRequests
-                        .antMatchers("/*.js","/*.css","/*.ico","/assets/**","/static/**")
-                        .permitAll()
-        );
+//        http.authorizeHttpRequests((authorizeHttpRequests) ->
+//                authorizeHttpRequests
+//                        .antMatchers("/*.js","/*.css","/*.ico","/assets/**","/static/**")
+//                        .permitAll()
+//        );
         http.headers().cacheControl().and().frameOptions().disable()
                 .and()
                 .cors()

application/src/main/java/org/thingsboard/server/controller/AdminController.java

@@ -16,16 +16,16 @@
 package org.thingsboard.server.controller;
 
 import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
 import io.swagger.annotations.ApiOperation;
 import io.swagger.annotations.ApiParam;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
 import org.springframework.security.access.prepost.PreAuthorize;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.ResponseBody;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.context.request.async.DeferredResult;
 import org.thingsboard.rule.engine.api.MailService;
 import org.thingsboard.rule.engine.api.SmsService;
 import org.thingsboard.server.common.data.AdminSettings;
@@ -34,14 +34,18 @@ import org.thingsboard.server.common.data.exception.ThingsboardException;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.security.model.SecuritySettings;
 import org.thingsboard.server.common.data.sms.config.TestSmsRequest;
+import org.thingsboard.server.common.data.sync.vc.AutoCommitSettings;
+import org.thingsboard.server.common.data.sync.vc.RepositorySettings;
 import org.thingsboard.server.dao.settings.AdminSettingsService;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.security.permission.Operation;
 import org.thingsboard.server.service.security.permission.Resource;
 import org.thingsboard.server.service.security.system.SystemSecurityService;
+import org.thingsboard.server.service.sync.vc.EntitiesVersionControlService;
+import org.thingsboard.server.service.sync.vc.autocommit.TbAutoCommitSettingsService;
 import org.thingsboard.server.service.update.UpdateService;
 
-import static org.thingsboard.server.controller.ControllerConstants.SYSTEM_AUTHORITY_PARAGRAPH;
+import static org.thingsboard.server.controller.ControllerConstants.*;
 
 @RestController
 @TbCoreComponent
@@ -60,6 +64,12 @@ public class AdminController extends BaseController {
     @Autowired
     private SystemSecurityService systemSecurityService;
 
+    @Autowired
+    private EntitiesVersionControlService versionControlService;
+
+    @Autowired
+    private TbAutoCommitSettingsService autoCommitSettingsService;
+
     @Autowired
     private UpdateService updateService;
 
@@ -96,6 +106,7 @@ public class AdminController extends BaseController {
             @RequestBody AdminSettings adminSettings) throws ThingsboardException {
         try {
             accessControlService.checkPermission(getCurrentUser(), Resource.ADMIN_SETTINGS, Operation.WRITE);
+            adminSettings.setTenantId(getTenantId());
             adminSettings = checkNotNull(adminSettingsService.saveAdminSettings(TenantId.SYS_TENANT_ID, adminSettings));
             if (adminSettings.getKey().equals("mail")) {
                 mailService.updateMailConfiguration();
@@ -180,6 +191,137 @@ public class AdminController extends BaseController {
         }
     }
 
+    @ApiOperation(value = "Get repository settings (getRepositorySettings)",
+            notes = "Get the repository settings object. " + TENANT_AUTHORITY_PARAGRAPH)
+    @PreAuthorize("hasAuthority('TENANT_ADMIN')")
+    @GetMapping("/repositorySettings")
+    @ResponseBody
+    public RepositorySettings getRepositorySettings() throws ThingsboardException {
+        try {
+            accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+            RepositorySettings versionControlSettings = checkNotNull(versionControlService.getVersionControlSettings(getTenantId()));
+            versionControlSettings.setPassword(null);
+            versionControlSettings.setPrivateKey(null);
+            versionControlSettings.setPrivateKeyPassword(null);
+            return versionControlSettings;
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @ApiOperation(value = "Check repository settings exists (repositorySettingsExists)",
+            notes = "Check whether the repository settings exists. " + TENANT_AUTHORITY_PARAGRAPH)
+    @PreAuthorize("hasAuthority('TENANT_ADMIN')")
+    @GetMapping("/repositorySettings/exists")
+    @ResponseBody
+    public Boolean repositorySettingsExists() throws ThingsboardException {
+        try {
+            accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+            return versionControlService.getVersionControlSettings(getTenantId()) != null;
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @ApiOperation(value = "Creates or Updates the repository settings (saveRepositorySettings)",
+            notes = "Creates or Updates the repository settings object. " + TENANT_AUTHORITY_PARAGRAPH)
+    @PreAuthorize("hasAuthority('TENANT_ADMIN')")
+    @PostMapping("/repositorySettings")
+    public DeferredResult<RepositorySettings> saveRepositorySettings(@RequestBody RepositorySettings settings) throws ThingsboardException {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.WRITE);
+        ListenableFuture<RepositorySettings> future = versionControlService.saveVersionControlSettings(getTenantId(), settings);
+        return wrapFuture(Futures.transform(future, savedSettings -> {
+            savedSettings.setPassword(null);
+            savedSettings.setPrivateKey(null);
+            savedSettings.setPrivateKeyPassword(null);
+            return savedSettings;
+        }, MoreExecutors.directExecutor()));
+    }
+
+    @ApiOperation(value = "Delete repository settings (deleteRepositorySettings)",
+            notes = "Deletes the repository settings."
+                    + TENANT_AUTHORITY_PARAGRAPH)
+    @PreAuthorize("hasAuthority('TENANT_ADMIN')")
+    @RequestMapping(value = "/repositorySettings", method = RequestMethod.DELETE)
+    @ResponseStatus(value = HttpStatus.OK)
+    public DeferredResult<Void> deleteRepositorySettings() throws ThingsboardException {
+        try {
+            accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.DELETE);
+            return wrapFuture(versionControlService.deleteVersionControlSettings(getTenantId()));
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+
+    @ApiOperation(value = "Check repository access (checkRepositoryAccess)",
+            notes = "Attempts to check repository access. " + TENANT_AUTHORITY_PARAGRAPH)
+    @PreAuthorize("hasAuthority('TENANT_ADMIN')")
+    @RequestMapping(value = "/repositorySettings/checkAccess", method = RequestMethod.POST)
+    public DeferredResult<Void> checkRepositoryAccess(
+            @ApiParam(value = "A JSON value representing the Repository Settings.")
+            @RequestBody RepositorySettings settings) throws ThingsboardException {
+        try {
+            accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+            settings = checkNotNull(settings);
+            return wrapFuture(versionControlService.checkVersionControlAccess(getTenantId(), settings));
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @ApiOperation(value = "Get auto commit settings (getAutoCommitSettings)",
+            notes = "Get the auto commit settings object. " + TENANT_AUTHORITY_PARAGRAPH)
+    @PreAuthorize("hasAuthority('TENANT_ADMIN')")
+    @GetMapping("/autoCommitSettings")
+    @ResponseBody
+    public AutoCommitSettings getAutoCommitSettings() throws ThingsboardException {
+        try {
+            accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+            return checkNotNull(autoCommitSettingsService.get(getTenantId()));
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @ApiOperation(value = "Check auto commit settings exists (autoCommitSettingsExists)",
+            notes = "Check whether the auto commit settings exists. " + TENANT_AUTHORITY_PARAGRAPH)
+    @PreAuthorize("hasAuthority('TENANT_ADMIN')")
+    @GetMapping("/autoCommitSettings/exists")
+    @ResponseBody
+    public Boolean autoCommitSettingsExists() throws ThingsboardException {
+        try {
+            accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+            return autoCommitSettingsService.get(getTenantId()) != null;
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @ApiOperation(value = "Creates or Updates the auto commit settings (saveAutoCommitSettings)",
+            notes = "Creates or Updates the auto commit settings object. " + TENANT_AUTHORITY_PARAGRAPH)
+    @PreAuthorize("hasAuthority('TENANT_ADMIN')")
+    @PostMapping("/autoCommitSettings")
+    public AutoCommitSettings saveAutoCommitSettings(@RequestBody AutoCommitSettings settings) throws ThingsboardException {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.WRITE);
+        return autoCommitSettingsService.save(getTenantId(), settings);
+    }
+
+    @ApiOperation(value = "Delete auto commit settings (deleteAutoCommitSettings)",
+            notes = "Deletes the auto commit settings."
+                    + TENANT_AUTHORITY_PARAGRAPH)
+    @PreAuthorize("hasAuthority('TENANT_ADMIN')")
+    @RequestMapping(value = "/autoCommitSettings", method = RequestMethod.DELETE)
+    @ResponseStatus(value = HttpStatus.OK)
+    public void deleteAutoCommitSettings() throws ThingsboardException {
+        try {
+            accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.DELETE);
+            autoCommitSettingsService.delete(getTenantId());
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
     @ApiOperation(value = "Check for new Platform Releases (checkUpdates)",
             notes = "Check notifications about new platform releases. "
                     + SYSTEM_AUTHORITY_PARAGRAPH)

application/src/main/java/org/thingsboard/server/controller/AssetController.java

@@ -51,9 +51,9 @@ import org.thingsboard.server.dao.exception.IncorrectParameterException;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.asset.AssetBulkImportService;
+import org.thingsboard.server.service.sync.ie.importing.csv.BulkImportRequest;
+import org.thingsboard.server.service.sync.ie.importing.csv.BulkImportResult;
 import org.thingsboard.server.service.entitiy.asset.TbAssetService;
-import org.thingsboard.server.service.importing.BulkImportRequest;
-import org.thingsboard.server.service.importing.BulkImportResult;
 import org.thingsboard.server.service.security.model.SecurityUser;
 import org.thingsboard.server.service.security.permission.Operation;
 import org.thingsboard.server.service.security.permission.Resource;

application/src/main/java/org/thingsboard/server/controller/BaseController.java

@@ -18,6 +18,10 @@ package org.thingsboard.server.controller;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
@@ -29,6 +33,7 @@ import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.context.request.async.DeferredResult;
 import org.thingsboard.server.cluster.TbClusterService;
 import org.thingsboard.server.common.data.Customer;
 import org.thingsboard.server.common.data.Dashboard;
@@ -138,6 +143,7 @@ import org.thingsboard.server.service.security.permission.AccessControlService;
 import org.thingsboard.server.service.security.permission.Operation;
 import org.thingsboard.server.service.security.permission.Resource;
 import org.thingsboard.server.service.state.DeviceStateService;
+import org.thingsboard.server.service.sync.vc.EntitiesVersionControlService;
 import org.thingsboard.server.service.telemetry.AlarmSubscriptionService;
 import org.thingsboard.server.service.telemetry.TelemetrySubscriptionService;
 
@@ -281,6 +287,9 @@ public abstract class BaseController {
     @Autowired
     protected QueueService queueService;
 
+    @Autowired
+    protected EntitiesVersionControlService vcService;
+
     @Value("${server.log_controller_error_stack_trace}")
     @Getter
     private boolean logControllerErrorStackTrace;
@@ -906,55 +915,24 @@ public abstract class BaseController {
         return null;
     }
 
-    protected void sendRelationNotificationMsg(TenantId tenantId, EntityRelation relation, EdgeEventActionType action) {
-        try {
-            if (!relation.getFrom().getEntityType().equals(EntityType.EDGE) &&
-                    !relation.getTo().getEntityType().equals(EntityType.EDGE)) {
-                sendNotificationMsgToEdgeService(tenantId, null, null, json.writeValueAsString(relation), EdgeEventType.RELATION, action);
-            }
-        } catch (Exception e) {
-            log.warn("Failed to push relation to core: {}", relation, e);
-        }
-    }
-
     protected void sendDeleteNotificationMsg(TenantId tenantId, EntityId entityId, List<EdgeId> edgeIds) {
-        sendDeleteNotificationMsg(tenantId, entityId, edgeIds, null);
-    }
-
-    protected void sendDeleteNotificationMsg(TenantId tenantId, EntityId entityId, List<EdgeId> edgeIds, String body) {
         if (edgeIds != null && !edgeIds.isEmpty()) {
             for (EdgeId edgeId : edgeIds) {
-                sendNotificationMsgToEdgeService(tenantId, edgeId, entityId, body, null, EdgeEventActionType.DELETED);
+                sendNotificationMsgToEdge(tenantId, edgeId, entityId, null, null, EdgeEventActionType.DELETED);
             }
         }
     }
 
-    protected void sendAlarmDeleteNotificationMsg(TenantId tenantId, EntityId entityId, List<EdgeId> edgeIds, Alarm alarm) {
-        try {
-            sendDeleteNotificationMsg(tenantId, entityId, edgeIds, json.writeValueAsString(alarm));
-        } catch (Exception e) {
-            log.warn("Failed to push delete alarm msg to core: {}", alarm, e);
-        }
-    }
-
-    protected void sendEntityAssignToCustomerNotificationMsg(TenantId tenantId, EntityId entityId, CustomerId customerId, EdgeEventActionType action) {
-        try {
-            sendNotificationMsgToEdgeService(tenantId, null, entityId, json.writeValueAsString(customerId), null, action);
-        } catch (Exception e) {
-            log.warn("Failed to push assign/unassign to/from customer to core: {}", customerId, e);
-        }
-    }
-
     protected void sendEntityNotificationMsg(TenantId tenantId, EntityId entityId, EdgeEventActionType action) {
-        sendNotificationMsgToEdgeService(tenantId, null, entityId, null, null, action);
+        sendNotificationMsgToEdge(tenantId, null, entityId, null, null, action);
     }
 
     protected void sendEntityAssignToEdgeNotificationMsg(TenantId tenantId, EdgeId edgeId, EntityId entityId, EdgeEventActionType action) {
-        sendNotificationMsgToEdgeService(tenantId, edgeId, entityId, null, null, action);
+        sendNotificationMsgToEdge(tenantId, edgeId, entityId, null, null, action);
     }
 
-    private void sendNotificationMsgToEdgeService(TenantId tenantId, EdgeId edgeId, EntityId entityId, String body, EdgeEventType type, EdgeEventActionType action) {
-        tbClusterService.sendNotificationMsgToEdgeService(tenantId, edgeId, entityId, body, type, action);
+    private void sendNotificationMsgToEdge(TenantId tenantId, EdgeId edgeId, EntityId entityId, String body, EdgeEventType type, EdgeEventActionType action) {
+        tbClusterService.sendNotificationMsgToEdge(tenantId, edgeId, entityId, body, type, action);
     }
 
     protected List<EdgeId> findRelatedEdgeIds(TenantId tenantId, EntityId entityId) {
@@ -989,4 +967,20 @@ public abstract class BaseController {
             return MediaType.APPLICATION_OCTET_STREAM;
         }
     }
+
+    protected <T> DeferredResult<T> wrapFuture(ListenableFuture<T> future) {
+        final DeferredResult<T> deferredResult = new DeferredResult<>();
+        Futures.addCallback(future, new FutureCallback<>() {
+            @Override
+            public void onSuccess(T result) {
+                deferredResult.setResult(result);
+            }
+
+            @Override
+            public void onFailure(Throwable t) {
+                deferredResult.setErrorResult(t);
+            }
+        }, MoreExecutors.directExecutor());
+        return deferredResult;
+    }
 }

application/src/main/java/org/thingsboard/server/controller/ControllerConstants.java

@@ -30,7 +30,7 @@ public class ControllerConstants {
     protected static final String PAGE_DATA_PARAMETERS = "You can specify parameters to filter the results. " +
             "The result is wrapped with PageData object that allows you to iterate over result set using pagination. " +
             "See the 'Model' tab of the Response Class for more details. ";
-    protected static final String DASHBOARD_ID_PARAM_DESCRIPTION = "A string value representing the device id. For example, '784f394c-42b6-435a-983c-b7beff2784f9'";
+    protected static final String DASHBOARD_ID_PARAM_DESCRIPTION = "A string value representing the dashboard id. For example, '784f394c-42b6-435a-983c-b7beff2784f9'";
     protected static final String RPC_ID_PARAM_DESCRIPTION = "A string value representing the rpc id. For example, '784f394c-42b6-435a-983c-b7beff2784f9'";
     protected static final String DEVICE_ID_PARAM_DESCRIPTION = "A string value representing the device id. For example, '784f394c-42b6-435a-983c-b7beff2784f9'";
     protected static final String ENTITY_VIEW_ID_PARAM_DESCRIPTION = "A string value representing the entity view id. For example, '784f394c-42b6-435a-983c-b7beff2784f9'";
@@ -49,6 +49,7 @@ public class ControllerConstants {
     protected static final String RULE_NODE_ID_PARAM_DESCRIPTION = "A string value representing the rule node id. For example, '784f394c-42b6-435a-983c-b7beff2784f9'";
     protected static final String WIDGET_BUNDLE_ID_PARAM_DESCRIPTION = "A string value representing the widget bundle id. For example, '784f394c-42b6-435a-983c-b7beff2784f9'";
     protected static final String WIDGET_TYPE_ID_PARAM_DESCRIPTION = "A string value representing the widget type id. For example, '784f394c-42b6-435a-983c-b7beff2784f9'";
+    protected static final String VC_REQUEST_ID_PARAM_DESCRIPTION = "A string value representing the version control request id. For example, '784f394c-42b6-435a-983c-b7beff2784f9'";
     protected static final String RESOURCE_ID_PARAM_DESCRIPTION = "A string value representing the resource id. For example, '784f394c-42b6-435a-983c-b7beff2784f9'";
     protected static final String SYSTEM_AUTHORITY_PARAGRAPH = "\n\nAvailable for users with 'SYS_ADMIN' authority.";
     protected static final String SYSTEM_OR_TENANT_AUTHORITY_PARAGRAPH = "\n\nAvailable for users with 'SYS_ADMIN' or 'TENANT_ADMIN' authority.";
@@ -135,6 +136,8 @@ public class ControllerConstants {
     protected static final String EDGE_ASSIGN_ASYNC_FIRST_STEP_DESCRIPTION = "Assignment works in async way - first, notification event pushed to edge service queue on platform. ";
     protected static final String EDGE_ASSIGN_RECEIVE_STEP_DESCRIPTION = "(Edge will receive this instantly, if it's currently connected, or once it's going to be connected to platform). ";
 
+    protected static final String ENTITY_VERSION_TEXT_SEARCH_DESCRIPTION = "The case insensitive 'substring' filter based on the entity version name.";
+
     protected static final String MARKDOWN_CODE_BLOCK_START = "```json\n";
     protected static final String MARKDOWN_CODE_BLOCK_END = "\n```";
     protected static final String EVENT_ERROR_FILTER_OBJ = MARKDOWN_CODE_BLOCK_START +

application/src/main/java/org/thingsboard/server/controller/DashboardController.java

@@ -631,7 +631,7 @@ public class DashboardController extends BaseController {
 
         DashboardId dashboardId = new DashboardId(toUUID(strDashboardId));
         checkDashboardId(dashboardId, Operation.READ);
-        return tbDashboardService.asignDashboardToEdge(dashboardId, edge, getCurrentUser());
+        return tbDashboardService.assignDashboardToEdge(dashboardId, edge, getCurrentUser());
     }
 
     @ApiOperation(value = "Unassign dashboard from edge (unassignDashboardFromEdge)",

application/src/main/java/org/thingsboard/server/controller/DeviceController.java

@@ -66,9 +66,9 @@ import org.thingsboard.server.dao.exception.IncorrectParameterException;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.device.DeviceBulkImportService;
+import org.thingsboard.server.service.sync.ie.importing.csv.BulkImportRequest;
+import org.thingsboard.server.service.sync.ie.importing.csv.BulkImportResult;
 import org.thingsboard.server.service.entitiy.device.TbDeviceService;
-import org.thingsboard.server.service.importing.BulkImportRequest;
-import org.thingsboard.server.service.importing.BulkImportResult;
 import org.thingsboard.server.service.security.model.SecurityUser;
 import org.thingsboard.server.service.security.permission.Operation;
 import org.thingsboard.server.service.security.permission.Resource;

application/src/main/java/org/thingsboard/server/controller/EdgeController.java

@@ -32,6 +32,7 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestController;
+import org.thingsboard.rule.engine.flow.TbRuleChainInputNode;
 import org.thingsboard.server.common.data.Customer;
 import org.thingsboard.server.common.data.EntitySubtype;
 import org.thingsboard.server.common.data.edge.Edge;
@@ -52,8 +53,8 @@ import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.edge.EdgeBulkImportService;
 import org.thingsboard.server.service.entitiy.edge.TbEdgeService;
-import org.thingsboard.server.service.importing.BulkImportRequest;
-import org.thingsboard.server.service.importing.BulkImportResult;
+import org.thingsboard.server.service.sync.ie.importing.csv.BulkImportRequest;
+import org.thingsboard.server.service.sync.ie.importing.csv.BulkImportResult;
 import org.thingsboard.server.service.security.model.SecurityUser;
 import org.thingsboard.server.service.security.permission.Operation;
 import org.thingsboard.server.service.security.permission.Resource;
@@ -557,7 +558,7 @@ public class EdgeController extends BaseController {
             edgeId = checkNotNull(edgeId);
             SecurityUser user = getCurrentUser();
             TenantId tenantId = user.getTenantId();
-            return edgeService.findMissingToRelatedRuleChains(tenantId, edgeId);
+            return edgeService.findMissingToRelatedRuleChains(tenantId, edgeId, TbRuleChainInputNode.class.getName());
         } catch (Exception e) {
             throw handleException(e);
         }

application/src/main/java/org/thingsboard/server/controller/EntitiesVersionControlController.java

@@ -0,0 +1,348 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.controller;
+
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiParam;
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.context.request.async.DeferredResult;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.StringUtils;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.EntityIdFactory;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.page.PageData;
+import org.thingsboard.server.common.data.page.PageLink;
+import org.thingsboard.server.common.data.sync.vc.EntityDataDiff;
+import org.thingsboard.server.common.data.sync.vc.EntityDataInfo;
+import org.thingsboard.server.common.data.sync.vc.EntityVersion;
+import org.thingsboard.server.common.data.sync.vc.VersionCreationResult;
+import org.thingsboard.server.common.data.sync.vc.VersionLoadResult;
+import org.thingsboard.server.common.data.sync.vc.VersionedEntityInfo;
+import org.thingsboard.server.common.data.sync.vc.request.create.VersionCreateRequest;
+import org.thingsboard.server.common.data.sync.vc.request.load.VersionLoadRequest;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.security.permission.Operation;
+import org.thingsboard.server.service.security.permission.Resource;
+import org.thingsboard.server.service.sync.vc.EntitiesVersionControlService;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import static org.thingsboard.server.controller.ControllerConstants.NEW_LINE;
+import static org.thingsboard.server.controller.ControllerConstants.PAGE_SIZE_DESCRIPTION;
+import static org.thingsboard.server.controller.ControllerConstants.PAGE_NUMBER_DESCRIPTION;
+import static org.thingsboard.server.controller.ControllerConstants.ENTITY_VERSION_TEXT_SEARCH_DESCRIPTION;
+import static org.thingsboard.server.controller.ControllerConstants.SORT_PROPERTY_DESCRIPTION;
+import static org.thingsboard.server.controller.ControllerConstants.SORT_ORDER_DESCRIPTION;
+import static org.thingsboard.server.controller.ControllerConstants.SORT_ORDER_ALLOWABLE_VALUES;
+import static org.thingsboard.server.controller.ControllerConstants.VC_REQUEST_ID_PARAM_DESCRIPTION;
+
+@RestController
+@TbCoreComponent
+@RequestMapping("/api/entities/vc")
+@PreAuthorize("hasAuthority('TENANT_ADMIN')")
+@RequiredArgsConstructor
+public class EntitiesVersionControlController extends BaseController {
+
+    private final EntitiesVersionControlService versionControlService;
+
+
+    @ApiOperation(value = "", notes = "" +
+            "SINGLE_ENTITY:" + NEW_LINE +
+            "```\n{\n" +
+            "  \"type\": \"SINGLE_ENTITY\",\n" +
+            "\n" +
+            "  \"versionName\": \"Version 1.0\",\n" +
+            "  \"branch\": \"dev\",\n" +
+            "\n" +
+            "  \"entityId\": {\n" +
+            "    \"entityType\": \"DEVICE\",\n" +
+            "    \"id\": \"b79448e0-d4f4-11ec-847b-0f432358ab48\"\n" +
+            "  },\n" +
+            "  \"config\": {\n" +
+            "    \"saveRelations\": true\n" +
+            "  }\n" +
+            "}\n```" + NEW_LINE +
+            "COMPLEX:" + NEW_LINE +
+            "```\n{\n" +
+            "  \"type\": \"COMPLEX\",\n" +
+            "\n" +
+            "  \"versionName\": \"Devices and profiles: release 2\",\n" +
+            "  \"branch\": \"master\",\n" +
+            "\n" +
+            "  \"syncStrategy\": \"OVERWRITE\",\n" +
+            "  \"entityTypes\": {\n" +
+            "    \"DEVICE\": {\n" +
+            "      \"syncStrategy\": null,\n" +
+            "      \"allEntities\": true,\n" +
+            "      \"saveRelations\": true\n" +
+            "    },\n" +
+            "    \"DEVICE_PROFILE\": {\n" +
+            "      \"syncStrategy\": \"MERGE\",\n" +
+            "      \"allEntities\": false,\n" +
+            "      \"entityIds\": [\n" +
+            "        \"b79448e0-d4f4-11ec-847b-0f432358ab48\"\n" +
+            "      ],\n" +
+            "      \"saveRelations\": true\n" +
+            "    }\n" +
+            "  }\n" +
+            "}\n```")
+    @PostMapping("/version")
+    public DeferredResult<UUID> saveEntitiesVersion(@RequestBody VersionCreateRequest request) throws Exception {
+        SecurityUser user = getCurrentUser();
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.WRITE);
+        return wrapFuture(versionControlService.saveEntitiesVersion(user, request));
+    }
+
+    @ApiOperation(value = "", notes = "")
+    @GetMapping(value = "/version/{requestId}/status")
+    public VersionCreationResult getVersionCreateRequestStatus(@ApiParam(value = VC_REQUEST_ID_PARAM_DESCRIPTION, required = true)
+                                                               @PathVariable UUID requestId) throws Exception {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+        return versionControlService.getVersionCreateStatus(getCurrentUser(), requestId);
+    }
+
+    @ApiOperation(value = "", notes = "" +
+            "```\n[\n" +
+            "  {\n" +
+            "    \"id\": \"c30c8bcaed3f0813649f0dee51a89d04d0a12b28\",\n" +
+            "    \"name\": \"Device profile 1 version 1.0\"\n" +
+            "  }\n" +
+            "]\n```")
+    @GetMapping(value = "/version/{branch}/{entityType}/{externalEntityUuid}", params = {"pageSize", "page"})
+    public DeferredResult<PageData<EntityVersion>> listEntityVersions(@PathVariable String branch,
+                                                                      @PathVariable EntityType entityType,
+                                                                      @PathVariable UUID externalEntityUuid,
+                                                                      @ApiParam(value = PAGE_SIZE_DESCRIPTION, required = true)
+                                                                      @RequestParam int pageSize,
+                                                                      @ApiParam(value = PAGE_NUMBER_DESCRIPTION, required = true)
+                                                                      @RequestParam int page,
+                                                                      @ApiParam(value = ENTITY_VERSION_TEXT_SEARCH_DESCRIPTION)
+                                                                      @RequestParam(required = false) String textSearch,
+                                                                      @ApiParam(value = SORT_PROPERTY_DESCRIPTION, allowableValues = "timestamp")
+                                                                      @RequestParam(required = false) String sortProperty,
+                                                                      @ApiParam(value = SORT_ORDER_DESCRIPTION, allowableValues = SORT_ORDER_ALLOWABLE_VALUES)
+                                                                      @RequestParam(required = false) String sortOrder) throws Exception {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+        EntityId externalEntityId = EntityIdFactory.getByTypeAndUuid(entityType, externalEntityUuid);
+        PageLink pageLink = createPageLink(pageSize, page, textSearch, sortProperty, sortOrder);
+        return wrapFuture(versionControlService.listEntityVersions(getTenantId(), branch, externalEntityId, pageLink));
+    }
+
+    @ApiOperation(value = "", notes = "" +
+            "```\n[\n" +
+            "  {\n" +
+            "    \"id\": \"c30c8bcaed3f0813649f0dee51a89d04d0a12b28\",\n" +
+            "    \"name\": \"Device profiles from dev\"\n" +
+            "  }\n" +
+            "]\n```")
+    @GetMapping(value = "/version/{branch}/{entityType}", params = {"pageSize", "page"})
+    public DeferredResult<PageData<EntityVersion>> listEntityTypeVersions(@PathVariable String branch,
+                                                                          @PathVariable EntityType entityType,
+                                                                          @ApiParam(value = PAGE_SIZE_DESCRIPTION, required = true)
+                                                                          @RequestParam int pageSize,
+                                                                          @ApiParam(value = PAGE_NUMBER_DESCRIPTION, required = true)
+                                                                          @RequestParam int page,
+                                                                          @ApiParam(value = ENTITY_VERSION_TEXT_SEARCH_DESCRIPTION)
+                                                                          @RequestParam(required = false) String textSearch,
+                                                                          @ApiParam(value = SORT_PROPERTY_DESCRIPTION, allowableValues = "timestamp")
+                                                                          @RequestParam(required = false) String sortProperty,
+                                                                          @ApiParam(value = SORT_ORDER_DESCRIPTION, allowableValues = SORT_ORDER_ALLOWABLE_VALUES)
+                                                                          @RequestParam(required = false) String sortOrder) throws Exception {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+        PageLink pageLink = createPageLink(pageSize, page, textSearch, sortProperty, sortOrder);
+        return wrapFuture(versionControlService.listEntityTypeVersions(getTenantId(), branch, entityType, pageLink));
+    }
+
+    @ApiOperation(value = "", notes = "" +
+            "```\n[\n" +
+            "  {\n" +
+            "    \"id\": \"ba9baaca1742b730e7331f31a6a51da5fc7da7f7\",\n" +
+            "    \"name\": \"Device 1 removed\"\n" +
+            "  },\n" +
+            "  {\n" +
+            "    \"id\": \"b3c28d722d328324c7c15b0b30047b0c40011cf7\",\n" +
+            "    \"name\": \"Device profiles added\"\n" +
+            "  },\n" +
+            "  {\n" +
+            "    \"id\": \"c30c8bcaed3f0813649f0dee51a89d04d0a12b28\",\n" +
+            "    \"name\": \"Devices added\"\n" +
+            "  }\n" +
+            "]\n```")
+    @GetMapping(value = "/version/{branch}", params = {"pageSize", "page"})
+    public DeferredResult<PageData<EntityVersion>> listVersions(@PathVariable String branch,
+                                                                @ApiParam(value = PAGE_SIZE_DESCRIPTION, required = true)
+                                                                @RequestParam int pageSize,
+                                                                @ApiParam(value = PAGE_NUMBER_DESCRIPTION, required = true)
+                                                                @RequestParam int page,
+                                                                @ApiParam(value = ENTITY_VERSION_TEXT_SEARCH_DESCRIPTION)
+                                                                @RequestParam(required = false) String textSearch,
+                                                                @ApiParam(value = SORT_PROPERTY_DESCRIPTION, allowableValues = "timestamp")
+                                                                @RequestParam(required = false) String sortProperty,
+                                                                @ApiParam(value = SORT_ORDER_DESCRIPTION, allowableValues = SORT_ORDER_ALLOWABLE_VALUES)
+                                                                @RequestParam(required = false) String sortOrder) throws Exception {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+        PageLink pageLink = createPageLink(pageSize, page, textSearch, sortProperty, sortOrder);
+        return wrapFuture(versionControlService.listVersions(getTenantId(), branch, pageLink));
+    }
+
+
+    @GetMapping("/entity/{branch}/{entityType}/{versionId}")
+    public DeferredResult<List<VersionedEntityInfo>> listEntitiesAtVersion(@PathVariable String branch,
+                                                                           @PathVariable EntityType entityType,
+                                                                           @PathVariable String versionId) throws Exception {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+        return wrapFuture(versionControlService.listEntitiesAtVersion(getTenantId(), branch, versionId, entityType));
+    }
+
+    @GetMapping("/entity/{branch}/{versionId}")
+    public DeferredResult<List<VersionedEntityInfo>> listAllEntitiesAtVersion(@PathVariable String branch,
+                                                                              @PathVariable String versionId) throws Exception {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+        return wrapFuture(versionControlService.listAllEntitiesAtVersion(getTenantId(), branch, versionId));
+    }
+
+    @GetMapping("/info/{versionId}/{entityType}/{externalEntityUuid}")
+    public DeferredResult<EntityDataInfo> getEntityDataInfo(@PathVariable String versionId,
+                                                            @PathVariable EntityType entityType,
+                                                            @PathVariable UUID externalEntityUuid) throws Exception {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+        EntityId entityId = EntityIdFactory.getByTypeAndUuid(entityType, externalEntityUuid);
+        return wrapFuture(versionControlService.getEntityDataInfo(getCurrentUser(), entityId, versionId));
+    }
+
+    @GetMapping("/diff/{branch}/{entityType}/{internalEntityUuid}")
+    public DeferredResult<EntityDataDiff> compareEntityDataToVersion(@PathVariable String branch,
+                                                                     @PathVariable EntityType entityType,
+                                                                     @PathVariable UUID internalEntityUuid,
+                                                                     @RequestParam String versionId) throws Exception {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+        EntityId entityId = EntityIdFactory.getByTypeAndUuid(entityType, internalEntityUuid);
+        return wrapFuture(versionControlService.compareEntityDataToVersion(getCurrentUser(), branch, entityId, versionId));
+    }
+
+    @ApiOperation(value = "", notes = "" +
+            "SINGLE_ENTITY:" + NEW_LINE +
+            "```\n{\n" +
+            "  \"type\": \"SINGLE_ENTITY\",\n" +
+            "  \n" +
+            "  \"branch\": \"dev\",\n" +
+            "  \"versionId\": \"b3c28d722d328324c7c15b0b30047b0c40011cf7\",\n" +
+            "  \n" +
+            "  \"externalEntityId\": {\n" +
+            "    \"entityType\": \"DEVICE\",\n" +
+            "    \"id\": \"b7944123-d4f4-11ec-847b-0f432358ab48\"\n" +
+            "  },\n" +
+            "  \"config\": {\n" +
+            "    \"loadRelations\": false,\n" +
+            "    \"findExistingEntityByName\": false\n" +
+            "  }\n" +
+            "}\n```" + NEW_LINE +
+            "ENTITY_TYPE:" + NEW_LINE +
+            "```\n{\n" +
+            "  \"type\": \"ENTITY_TYPE\",\n" +
+            "\n" +
+            "  \"branch\": \"dev\",\n" +
+            "  \"versionId\": \"b3c28d722d328324c7c15b0b30047b0c40011cf7\",\n" +
+            "\n" +
+            "  \"entityTypes\": {\n" +
+            "    \"DEVICE\": {\n" +
+            "      \"loadRelations\": false,\n" +
+            "      \"findExistingEntityByName\": false,\n" +
+            "      \"removeOtherEntities\": true\n" +
+            "    }\n" +
+            "  }\n" +
+            "}\n```")
+    @PostMapping("/entity")
+    public UUID loadEntitiesVersion(@RequestBody VersionLoadRequest request) throws Exception {
+        SecurityUser user = getCurrentUser();
+        accessControlService.checkPermission(user, Resource.VERSION_CONTROL, Operation.WRITE);
+        return versionControlService.loadEntitiesVersion(user, request);
+    }
+
+    @ApiOperation(value = "", notes = "")
+    @GetMapping(value = "/entity/{requestId}/status")
+    public VersionLoadResult getVersionLoadRequestStatus(@ApiParam(value = VC_REQUEST_ID_PARAM_DESCRIPTION, required = true)
+                                                               @PathVariable UUID requestId) throws Exception {
+        accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+        return versionControlService.getVersionLoadStatus(getCurrentUser(), requestId);
+    }
+
+
+    @ApiOperation(value = "", notes = "" +
+            "```\n[\n" +
+            "  {\n" +
+            "    \"name\": \"master\",\n" +
+            "    \"default\": true\n" +
+            "  },\n" +
+            "  {\n" +
+            "    \"name\": \"dev\",\n" +
+            "    \"default\": false\n" +
+            "  },\n" +
+            "  {\n" +
+            "    \"name\": \"dev-2\",\n" +
+            "    \"default\": false\n" +
+            "  }\n" +
+            "]\n\n```")
+    @GetMapping("/branches")
+    public DeferredResult<List<BranchInfo>> listBranches() throws ThingsboardException {
+        try {
+            accessControlService.checkPermission(getCurrentUser(), Resource.VERSION_CONTROL, Operation.READ);
+            final TenantId tenantId = getTenantId();
+            ListenableFuture<List<String>> branches = versionControlService.listBranches(tenantId);
+            return wrapFuture(Futures.transform(branches, remoteBranches -> {
+                List<BranchInfo> infos = new ArrayList<>();
+
+                String defaultBranch = versionControlService.getVersionControlSettings(tenantId).getDefaultBranch();
+                if (StringUtils.isNotEmpty(defaultBranch)) {
+                    infos.add(new BranchInfo(defaultBranch, true));
+                }
+
+                remoteBranches.forEach(branch -> {
+                    if (!branch.equals(defaultBranch)) {
+                        infos.add(new BranchInfo(branch, false));
+                    }
+                });
+                return infos;
+            }, MoreExecutors.directExecutor()));
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @Data
+    public static class BranchInfo {
+        private final String name;
+        private final boolean isDefault;
+    }
+
+}

application/src/main/java/org/thingsboard/server/controller/EntityRelationController.java

@@ -28,6 +28,10 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestController;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.audit.ActionType;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.exception.ThingsboardErrorCode;
 import org.thingsboard.server.common.data.exception.ThingsboardException;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.EntityIdFactory;
@@ -37,9 +41,11 @@ import org.thingsboard.server.common.data.relation.EntityRelationsQuery;
 import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.entitiy.entityRelation.TbEntityRelationService;
+import org.thingsboard.server.service.security.model.SecurityUser;
 import org.thingsboard.server.service.security.permission.Operation;
 
 import java.util.List;
+import java.util.UUID;
 import java.util.stream.Collectors;
 
 import static org.thingsboard.server.controller.ControllerConstants.ENTITY_ID_PARAM_DESCRIPTION;
@@ -80,8 +86,8 @@ public class EntityRelationController extends BaseController {
     public void saveRelation(@ApiParam(value = "A JSON value representing the relation.", required = true)
                              @RequestBody EntityRelation relation) throws ThingsboardException {
         checkNotNull(relation);
-        checkEntityId(relation.getFrom(), Operation.WRITE);
-        checkEntityId(relation.getTo(), Operation.WRITE);
+        checkCanCreateRelation(relation.getFrom());
+        checkCanCreateRelation(relation.getTo());
         if (relation.getTypeGroup() == null) {
             relation.setTypeGroup(RelationTypeGroup.COMMON);
         }
@@ -107,8 +113,9 @@ public class EntityRelationController extends BaseController {
         checkParameter(TO_TYPE, strToType);
         EntityId fromId = EntityIdFactory.getByTypeAndId(strFromType, strFromId);
         EntityId toId = EntityIdFactory.getByTypeAndId(strToType, strToId);
-        checkEntityId(fromId, Operation.WRITE);
-        checkEntityId(toId, Operation.WRITE);
+        checkCanCreateRelation(fromId);
+        checkCanCreateRelation(toId);
+
         RelationTypeGroup relationTypeGroup = parseRelationTypeGroup(strRelationTypeGroup, RelationTypeGroup.COMMON);
         EntityRelation relation = new EntityRelation(fromId, toId, strRelationType, relationTypeGroup);
 
@@ -341,6 +348,14 @@ public class EntityRelationController extends BaseController {
         }
     }
 
+    private void checkCanCreateRelation(EntityId entityId) throws ThingsboardException {
+        SecurityUser currentUser = getCurrentUser();
+        var isTenantAdminAndRelateToSelf = currentUser.isTenantAdmin() && currentUser.getTenantId().equals(entityId);
+        if (!isTenantAdminAndRelateToSelf) {
+            checkEntityId(entityId, Operation.WRITE);
+        }
+    }
+
     private <T extends EntityRelation> List<T> filterRelationsByReadPermission(List<T> relationsByQuery) {
         return relationsByQuery.stream().filter(relationByQuery -> {
             try {

application/src/main/java/org/thingsboard/server/controller/RuleChainController.java

@@ -233,7 +233,6 @@ public class RuleChainController extends BaseController {
     public RuleChain saveRuleChain(
             @ApiParam(value = "A JSON value representing the rule chain.")
             @RequestBody RuleChain ruleChain) throws ThingsboardException {
-
         ruleChain.setTenantId(getCurrentUser().getTenantId());
         checkEntity(ruleChain.getId(), ruleChain, Resource.RULE_CHAIN);
         return tbRuleChainService.save(ruleChain, getCurrentUser());

application/src/main/java/org/thingsboard/server/controller/plugin/TbWebSocketHandler.java

@@ -16,12 +16,12 @@
 package org.thingsboard.server.controller.plugin;
 
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.BeanCreationNotAllowedException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Service;
-import org.springframework.util.StringUtils;
 import org.springframework.web.socket.CloseStatus;
 import org.springframework.web.socket.PongMessage;
 import org.springframework.web.socket.TextMessage;
@@ -34,10 +34,10 @@ import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.msg.tools.TbRateLimits;
 import org.thingsboard.server.config.WebSocketConfiguration;
+import org.thingsboard.server.dao.tenant.TbTenantProfileCache;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.security.model.SecurityUser;
 import org.thingsboard.server.service.security.model.UserPrincipal;
-import org.thingsboard.server.service.telemetry.DefaultTelemetryWebSocketService;
 import org.thingsboard.server.service.telemetry.SessionEvent;
 import org.thingsboard.server.service.telemetry.TelemetryWebSocketMsgEndpoint;
 import org.thingsboard.server.service.telemetry.TelemetryWebSocketService;
@@ -72,22 +72,11 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
     @Autowired
     private TelemetryWebSocketService webSocketService;
 
+    @Autowired
+    private TbTenantProfileCache tenantProfileCache;
+
     @Value("${server.ws.send_timeout:5000}")
     private long sendTimeout;
-    @Value("${server.ws.limits.max_sessions_per_tenant:0}")
-    private int maxSessionsPerTenant;
-    @Value("${server.ws.limits.max_sessions_per_customer:0}")
-    private int maxSessionsPerCustomer;
-    @Value("${server.ws.limits.max_sessions_per_regular_user:0}")
-    private int maxSessionsPerRegularUser;
-    @Value("${server.ws.limits.max_sessions_per_public_user:0}")
-    private int maxSessionsPerPublicUser;
-    @Value("${server.ws.limits.max_queue_per_ws_session:1000}")
-    private int maxMsgQueuePerSession;
-
-    @Value("${server.ws.limits.max_updates_per_session:}")
-    private String perSessionUpdatesConfiguration;
-
     @Value("${server.ws.ping_timeout:30000}")
     private long pingTimeout;
 
@@ -144,10 +133,13 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
             String internalSessionId = session.getId();
             TelemetryWebSocketSessionRef sessionRef = toRef(session);
             String externalSessionId = sessionRef.getSessionId();
+
             if (!checkLimits(session, sessionRef)) {
                 return;
             }
-            internalSessionMap.put(internalSessionId, new SessionMetaData(session, sessionRef, maxMsgQueuePerSession));
+            var tenantProfileConfiguration = tenantProfileCache.get(sessionRef.getSecurityCtx().getTenantId()).getDefaultProfileConfiguration();
+            internalSessionMap.put(internalSessionId, new SessionMetaData(session, sessionRef, tenantProfileConfiguration.getWsMsgQueueLimitPerSession() > 0 ?
+                    tenantProfileConfiguration.getWsMsgQueueLimitPerSession() : 500));
 
             externalSessionMap.put(externalSessionId, internalSessionId);
             processInWebSocketService(sessionRef, SessionEvent.onEstablished());
@@ -323,8 +315,9 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
         if (internalId != null) {
             SessionMetaData sessionMd = internalSessionMap.get(internalId);
             if (sessionMd != null) {
-                if (!StringUtils.isEmpty(perSessionUpdatesConfiguration)) {
-                    TbRateLimits rateLimits = perSessionUpdateLimits.computeIfAbsent(sessionRef.getSessionId(), sid -> new TbRateLimits(perSessionUpdatesConfiguration));
+                var tenantProfileConfiguration = tenantProfileCache.get(sessionRef.getSecurityCtx().getTenantId()).getDefaultProfileConfiguration();
+                if (StringUtils.isNotEmpty(tenantProfileConfiguration.getWsUpdatesPerSessionRateLimit())) {
+                    TbRateLimits rateLimits = perSessionUpdateLimits.computeIfAbsent(sessionRef.getSessionId(), sid -> new TbRateLimits(tenantProfileConfiguration.getWsUpdatesPerSessionRateLimit()));
                     if (!rateLimits.tryConsume()) {
                         if (blacklistedSessions.putIfAbsent(externalId, sessionRef) == null) {
                             log.info("[{}][{}][{}] Failed to process session update. Max session updates limit reached"
@@ -336,6 +329,8 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
                         log.debug("[{}][{}][{}] Session is no longer blacklisted.", sessionRef.getSecurityCtx().getTenantId(), sessionRef.getSecurityCtx().getId(), externalId);
                         blacklistedSessions.remove(externalId);
                     }
+                } else {
+                    perSessionUpdateLimits.remove(sessionRef.getSessionId());
                 }
                 sessionMd.sendMsg(msg);
             } else {
@@ -380,11 +375,17 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
     }
 
     private boolean checkLimits(WebSocketSession session, TelemetryWebSocketSessionRef sessionRef) throws Exception {
+        var tenantProfileConfiguration =
+                tenantProfileCache.get(sessionRef.getSecurityCtx().getTenantId()).getDefaultProfileConfiguration();
+        if (tenantProfileConfiguration == null) {
+            return true;
+        }
+
         String sessionId = session.getId();
-        if (maxSessionsPerTenant > 0) {
+        if (tenantProfileConfiguration.getMaxWsSessionsPerTenant() > 0) {
             Set<String> tenantSessions = tenantSessionsMap.computeIfAbsent(sessionRef.getSecurityCtx().getTenantId(), id -> ConcurrentHashMap.newKeySet());
             synchronized (tenantSessions) {
-                if (tenantSessions.size() < maxSessionsPerTenant) {
+                if (tenantSessions.size() < tenantProfileConfiguration.getMaxWsSessionsPerTenant()) {
                     tenantSessions.add(sessionId);
                 } else {
                     log.info("[{}][{}][{}] Failed to start session. Max tenant sessions limit reached"
@@ -396,10 +397,10 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
         }
 
         if (sessionRef.getSecurityCtx().isCustomerUser()) {
-            if (maxSessionsPerCustomer > 0) {
+            if (tenantProfileConfiguration.getMaxWsSessionsPerCustomer() > 0) {
                 Set<String> customerSessions = customerSessionsMap.computeIfAbsent(sessionRef.getSecurityCtx().getCustomerId(), id -> ConcurrentHashMap.newKeySet());
                 synchronized (customerSessions) {
-                    if (customerSessions.size() < maxSessionsPerCustomer) {
+                    if (customerSessions.size() < tenantProfileConfiguration.getMaxWsSessionsPerCustomer()) {
                         customerSessions.add(sessionId);
                     } else {
                         log.info("[{}][{}][{}] Failed to start session. Max customer sessions limit reached"
@@ -409,10 +410,11 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
                     }
                 }
             }
-            if (maxSessionsPerRegularUser > 0 && UserPrincipal.Type.USER_NAME.equals(sessionRef.getSecurityCtx().getUserPrincipal().getType())) {
+            if (tenantProfileConfiguration.getMaxWsSessionsPerRegularUser() > 0
+                    && UserPrincipal.Type.USER_NAME.equals(sessionRef.getSecurityCtx().getUserPrincipal().getType())) {
                 Set<String> regularUserSessions = regularUserSessionsMap.computeIfAbsent(sessionRef.getSecurityCtx().getId(), id -> ConcurrentHashMap.newKeySet());
                 synchronized (regularUserSessions) {
-                    if (regularUserSessions.size() < maxSessionsPerRegularUser) {
+                    if (regularUserSessions.size() < tenantProfileConfiguration.getMaxWsSessionsPerRegularUser()) {
                         regularUserSessions.add(sessionId);
                     } else {
                         log.info("[{}][{}][{}] Failed to start session. Max regular user sessions limit reached"
@@ -422,10 +424,11 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
                     }
                 }
             }
-            if (maxSessionsPerPublicUser > 0 && UserPrincipal.Type.PUBLIC_ID.equals(sessionRef.getSecurityCtx().getUserPrincipal().getType())) {
+            if (tenantProfileConfiguration.getMaxWsSessionsPerPublicUser() > 0
+                    && UserPrincipal.Type.PUBLIC_ID.equals(sessionRef.getSecurityCtx().getUserPrincipal().getType())) {
                 Set<String> publicUserSessions = publicUserSessionsMap.computeIfAbsent(sessionRef.getSecurityCtx().getId(), id -> ConcurrentHashMap.newKeySet());
                 synchronized (publicUserSessions) {
-                    if (publicUserSessions.size() < maxSessionsPerPublicUser) {
+                    if (publicUserSessions.size() < tenantProfileConfiguration.getMaxWsSessionsPerPublicUser()) {
                         publicUserSessions.add(sessionId);
                     } else {
                         log.info("[{}][{}][{}] Failed to start session. Max public user sessions limit reached"
@@ -440,29 +443,31 @@ public class TbWebSocketHandler extends TextWebSocketHandler implements Telemetr
     }
 
     private void cleanupLimits(WebSocketSession session, TelemetryWebSocketSessionRef sessionRef) {
+        var tenantProfileConfiguration = tenantProfileCache.get(sessionRef.getSecurityCtx().getTenantId()).getDefaultProfileConfiguration();
+
         String sessionId = session.getId();
         perSessionUpdateLimits.remove(sessionRef.getSessionId());
         blacklistedSessions.remove(sessionRef.getSessionId());
-        if (maxSessionsPerTenant > 0) {
+        if (tenantProfileConfiguration.getMaxWsSessionsPerTenant() > 0) {
             Set<String> tenantSessions = tenantSessionsMap.computeIfAbsent(sessionRef.getSecurityCtx().getTenantId(), id -> ConcurrentHashMap.newKeySet());
             synchronized (tenantSessions) {
                 tenantSessions.remove(sessionId);
             }
         }
         if (sessionRef.getSecurityCtx().isCustomerUser()) {
-            if (maxSessionsPerCustomer > 0) {
+            if (tenantProfileConfiguration.getMaxWsSessionsPerCustomer() > 0) {
                 Set<String> customerSessions = customerSessionsMap.computeIfAbsent(sessionRef.getSecurityCtx().getCustomerId(), id -> ConcurrentHashMap.newKeySet());
                 synchronized (customerSessions) {
                     customerSessions.remove(sessionId);
                 }
             }
-            if (maxSessionsPerRegularUser > 0 && UserPrincipal.Type.USER_NAME.equals(sessionRef.getSecurityCtx().getUserPrincipal().getType())) {
+            if (tenantProfileConfiguration.getMaxWsSessionsPerRegularUser() > 0 && UserPrincipal.Type.USER_NAME.equals(sessionRef.getSecurityCtx().getUserPrincipal().getType())) {
                 Set<String> regularUserSessions = regularUserSessionsMap.computeIfAbsent(sessionRef.getSecurityCtx().getId(), id -> ConcurrentHashMap.newKeySet());
                 synchronized (regularUserSessions) {
                     regularUserSessions.remove(sessionId);
                 }
             }
-            if (maxSessionsPerPublicUser > 0 && UserPrincipal.Type.PUBLIC_ID.equals(sessionRef.getSecurityCtx().getUserPrincipal().getType())) {
+            if (tenantProfileConfiguration.getMaxWsSessionsPerPublicUser() > 0 && UserPrincipal.Type.PUBLIC_ID.equals(sessionRef.getSecurityCtx().getUserPrincipal().getType())) {
                 Set<String> publicUserSessions = publicUserSessionsMap.computeIfAbsent(sessionRef.getSecurityCtx().getId(), id -> ConcurrentHashMap.newKeySet());
                 synchronized (publicUserSessions) {
                     publicUserSessions.remove(sessionId);

application/src/main/java/org/thingsboard/server/service/action/EntityActionService.java

@@ -22,13 +22,14 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
+import org.thingsboard.server.cluster.TbClusterService;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.HasName;
 import org.thingsboard.server.common.data.HasTenantId;
 import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.audit.ActionType;
-import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -41,7 +42,6 @@ import org.thingsboard.server.common.msg.TbMsgDataType;
 import org.thingsboard.server.common.msg.TbMsgMetaData;
 import org.thingsboard.server.dao.audit.AuditLogService;
 import org.thingsboard.server.queue.util.TbCoreComponent;
-import org.thingsboard.server.cluster.TbClusterService;
 
 import java.util.List;
 import java.util.Map;
@@ -212,7 +212,7 @@ public class EntityActionService {
         }
     }
 
-    public  <E extends HasName, I extends EntityId> void logEntityAction(User user, I entityId, E entity, CustomerId customerId,
+    public <E extends HasName, I extends EntityId> void logEntityAction(User user, I entityId, E entity, CustomerId customerId,
                                                                            ActionType actionType, Exception e, Object... additionalInfo) {
         if (customerId == null || customerId.isNullUid()) {
             customerId = user.getCustomerId();
@@ -223,6 +223,9 @@ public class EntityActionService {
         auditLogService.logEntityAction(user.getTenantId(), customerId, user.getId(), user.getName(), entityId, entity, actionType, e, additionalInfo);
     }
 
+    public void sendEntityNotificationMsgToEdge(TenantId tenantId, EntityId entityId, EdgeEventActionType action) {
+        tbClusterService.sendNotificationMsgToEdge(tenantId, null, entityId, null, null, action);
+    }
 
     private <T> T extractParameter(Class<T> clazz, int index, Object... additionalInfo) {
         T result = null;
@@ -267,4 +270,5 @@ public class EntityActionService {
             entityNode.put(kvEntry.getKey(), kvEntry.getValueAsString());
         }
     }
+
 }

application/src/main/java/org/thingsboard/server/service/apiusage/DefaultRateLimitService.java

@@ -0,0 +1,76 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.apiusage;
+
+import lombok.RequiredArgsConstructor;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.tenant.profile.DefaultTenantProfileConfiguration;
+import org.thingsboard.server.common.msg.tools.TbRateLimits;
+import org.thingsboard.server.dao.tenant.TbTenantProfileCache;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.function.Function;
+
+@Service
+@RequiredArgsConstructor
+public class DefaultRateLimitService implements RateLimitService {
+
+    private final TbTenantProfileCache tenantProfileCache;
+
+    private final Map<String, Map<TenantId, TbRateLimits>> rateLimits = new ConcurrentHashMap<>();
+
+    @Override
+    public boolean checkEntityExportLimit(TenantId tenantId) {
+        return checkLimit(tenantId, "entityExport", DefaultTenantProfileConfiguration::getTenantEntityExportRateLimit);
+    }
+
+    @Override
+    public boolean checkEntityImportLimit(TenantId tenantId) {
+        return checkLimit(tenantId, "entityImport", DefaultTenantProfileConfiguration::getTenantEntityImportRateLimit);
+    }
+
+    private boolean checkLimit(TenantId tenantId, String rateLimitsKey, Function<DefaultTenantProfileConfiguration, String> rateLimitConfigExtractor) {
+        String rateLimitConfig = tenantProfileCache.get(tenantId).getProfileConfiguration()
+                .map(rateLimitConfigExtractor).orElse(null);
+
+        Map<TenantId, TbRateLimits> rateLimits = this.rateLimits.get(rateLimitsKey);
+        if (StringUtils.isEmpty(rateLimitConfig)) {
+            if (rateLimits != null) {
+                rateLimits.remove(tenantId);
+                if (rateLimits.isEmpty()) {
+                    this.rateLimits.remove(rateLimitsKey);
+                }
+            }
+            return true;
+        }
+
+        if (rateLimits == null) {
+            rateLimits = new ConcurrentHashMap<>();
+            this.rateLimits.put(rateLimitsKey, rateLimits);
+        }
+        TbRateLimits rateLimit = rateLimits.get(tenantId);
+        if (rateLimit == null || !rateLimit.getConfiguration().equals(rateLimitConfig)) {
+            rateLimit = new TbRateLimits(rateLimitConfig);
+            rateLimits.put(tenantId, rateLimit);
+        }
+
+        return rateLimit.tryConsume();
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/apiusage/RateLimitService.java

@@ -0,0 +1,26 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.apiusage;
+
+import org.thingsboard.server.common.data.id.TenantId;
+
+public interface RateLimitService {
+
+    boolean checkEntityExportLimit(TenantId tenantId);
+
+    boolean checkEntityImportLimit(TenantId tenantId);
+
+}

application/src/main/java/org/thingsboard/server/service/asset/AssetBulkImportService.java

@@ -26,9 +26,9 @@ import org.thingsboard.server.common.data.asset.Asset;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.dao.asset.AssetService;
 import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.ie.importing.csv.AbstractBulkImportService;
+import org.thingsboard.server.service.sync.ie.importing.csv.BulkImportColumnType;
 import org.thingsboard.server.service.entitiy.asset.TbAssetService;
-import org.thingsboard.server.service.importing.AbstractBulkImportService;
-import org.thingsboard.server.service.importing.BulkImportColumnType;
 import org.thingsboard.server.service.security.model.SecurityUser;
 
 import java.util.Map;

application/src/main/java/org/thingsboard/server/service/device/DeviceBulkImportService.java

@@ -49,9 +49,9 @@ import org.thingsboard.server.dao.device.DeviceProfileService;
 import org.thingsboard.server.dao.device.DeviceService;
 import org.thingsboard.server.dao.exception.DeviceCredentialsValidationException;
 import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.ie.importing.csv.AbstractBulkImportService;
+import org.thingsboard.server.service.sync.ie.importing.csv.BulkImportColumnType;
 import org.thingsboard.server.service.entitiy.device.TbDeviceService;
-import org.thingsboard.server.service.importing.AbstractBulkImportService;
-import org.thingsboard.server.service.importing.BulkImportColumnType;
 import org.thingsboard.server.service.security.model.SecurityUser;
 
 import java.util.Collection;

application/src/main/java/org/thingsboard/server/service/edge/DefaultEdgeNotificationService.java

@@ -137,6 +137,7 @@ public class DefaultEdgeNotificationService implements EdgeNotificationService {
                 case ENTITY_VIEW:
                 case DASHBOARD:
                 case RULE_CHAIN:
+                case OTA_PACKAGE:
                     future = entityProcessor.processEntityNotification(tenantId, edgeNotificationMsg);
                     break;
                 case CUSTOMER:

application/src/main/java/org/thingsboard/server/service/edge/EdgeBulkImportService.java

@@ -28,9 +28,9 @@ import org.thingsboard.server.common.data.rule.RuleChain;
 import org.thingsboard.server.dao.edge.EdgeService;
 import org.thingsboard.server.dao.rule.RuleChainService;
 import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.ie.importing.csv.AbstractBulkImportService;
+import org.thingsboard.server.service.sync.ie.importing.csv.BulkImportColumnType;
 import org.thingsboard.server.service.entitiy.edge.TbEdgeService;
-import org.thingsboard.server.service.importing.AbstractBulkImportService;
-import org.thingsboard.server.service.importing.BulkImportColumnType;
 import org.thingsboard.server.service.security.model.SecurityUser;
 
 import java.util.Map;

application/src/main/java/org/thingsboard/server/service/edge/EdgeContextComponent.java

@@ -26,6 +26,7 @@ import org.thingsboard.server.dao.dashboard.DashboardService;
 import org.thingsboard.server.dao.device.DeviceProfileService;
 import org.thingsboard.server.dao.edge.EdgeEventService;
 import org.thingsboard.server.dao.edge.EdgeService;
+import org.thingsboard.server.dao.ota.OtaPackageService;
 import org.thingsboard.server.dao.rule.RuleChainService;
 import org.thingsboard.server.dao.settings.AdminSettingsService;
 import org.thingsboard.server.dao.user.UserService;
@@ -41,6 +42,7 @@ import org.thingsboard.server.service.edge.rpc.processor.DeviceEdgeProcessor;
 import org.thingsboard.server.service.edge.rpc.processor.DeviceProfileEdgeProcessor;
 import org.thingsboard.server.service.edge.rpc.processor.EntityEdgeProcessor;
 import org.thingsboard.server.service.edge.rpc.processor.EntityViewEdgeProcessor;
+import org.thingsboard.server.service.edge.rpc.processor.OtaPackageEdgeProcessor;
 import org.thingsboard.server.service.edge.rpc.processor.RelationEdgeProcessor;
 import org.thingsboard.server.service.edge.rpc.processor.RuleChainEdgeProcessor;
 import org.thingsboard.server.service.edge.rpc.processor.TelemetryEdgeProcessor;
@@ -93,6 +95,9 @@ public class EdgeContextComponent {
     @Autowired
     private EdgeRequestsService edgeRequestsService;
 
+    @Autowired
+    private OtaPackageService otaPackageService;
+
     @Autowired
     private AlarmEdgeProcessor alarmProcessor;
 
@@ -138,6 +143,9 @@ public class EdgeContextComponent {
     @Autowired
     private AdminSettingsEdgeProcessor adminSettingsProcessor;
 
+    @Autowired
+    private OtaPackageEdgeProcessor otaPackageEdgeProcessor;
+
     @Autowired
     private EdgeEventStorageSettings edgeEventStorageSettings;
 

application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeGrpcSession.java

@@ -536,6 +536,8 @@ public final class EdgeGrpcSession implements Closeable {
                 return ctx.getWidgetTypeProcessor().processWidgetTypeToEdge(edgeEvent, msgType, action);
             case ADMIN_SETTINGS:
                 return ctx.getAdminSettingsProcessor().processAdminSettingsToEdge(edgeEvent);
+            case OTA_PACKAGE:
+                return ctx.getOtaPackageEdgeProcessor().processOtaPackageToEdge(edgeEvent, msgType, action);
             default:
                 log.warn("Unsupported edge event type [{}]", edgeEvent);
                 return null;

application/src/main/java/org/thingsboard/server/service/edge/rpc/EdgeSyncCursor.java

@@ -25,6 +25,7 @@ import org.thingsboard.server.service.edge.rpc.fetch.CustomerUsersEdgeEventFetch
 import org.thingsboard.server.service.edge.rpc.fetch.DashboardsEdgeEventFetcher;
 import org.thingsboard.server.service.edge.rpc.fetch.DeviceProfilesEdgeEventFetcher;
 import org.thingsboard.server.service.edge.rpc.fetch.EdgeEventFetcher;
+import org.thingsboard.server.service.edge.rpc.fetch.OtaPackagesEdgeEventFetcher;
 import org.thingsboard.server.service.edge.rpc.fetch.RuleChainsEdgeEventFetcher;
 import org.thingsboard.server.service.edge.rpc.fetch.SystemWidgetsBundlesEdgeEventFetcher;
 import org.thingsboard.server.service.edge.rpc.fetch.TenantAdminUsersEdgeEventFetcher;
@@ -53,6 +54,7 @@ public class EdgeSyncCursor {
         fetchers.add(new SystemWidgetsBundlesEdgeEventFetcher(ctx.getWidgetsBundleService()));
         fetchers.add(new TenantWidgetsBundlesEdgeEventFetcher(ctx.getWidgetsBundleService()));
         fetchers.add(new DashboardsEdgeEventFetcher(ctx.getDashboardService()));
+        fetchers.add(new OtaPackagesEdgeEventFetcher(ctx.getOtaPackageService()));
     }
 
     public boolean hasNext() {

application/src/main/java/org/thingsboard/server/service/edge/rpc/constructor/DeviceProfileMsgConstructor.java

@@ -20,7 +20,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.id.DeviceProfileId;
-import org.thingsboard.server.common.transport.util.DataDecodingEncodingService;
+import org.thingsboard.server.queue.util.DataDecodingEncodingService;
 import org.thingsboard.server.gen.edge.v1.DeviceProfileUpdateMsg;
 import org.thingsboard.server.gen.edge.v1.UpdateMsgType;
 import org.thingsboard.server.queue.util.TbCoreComponent;

application/src/main/java/org/thingsboard/server/service/edge/rpc/constructor/OtaPackageMsgConstructor.java

@@ -0,0 +1,77 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.edge.rpc.constructor;
+
+import com.google.protobuf.ByteString;
+import org.springframework.stereotype.Component;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.server.common.data.OtaPackage;
+import org.thingsboard.server.common.data.id.OtaPackageId;
+import org.thingsboard.server.gen.edge.v1.OtaPackageUpdateMsg;
+import org.thingsboard.server.gen.edge.v1.UpdateMsgType;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+
+@Component
+@TbCoreComponent
+public class OtaPackageMsgConstructor {
+
+    public OtaPackageUpdateMsg constructOtaPackageUpdatedMsg(UpdateMsgType msgType, OtaPackage otaPackage) {
+        OtaPackageUpdateMsg.Builder builder = OtaPackageUpdateMsg.newBuilder()
+                .setMsgType(msgType)
+                .setIdMSB(otaPackage.getId().getId().getMostSignificantBits())
+                .setIdLSB(otaPackage.getId().getId().getLeastSignificantBits())
+                .setDeviceProfileIdMSB(otaPackage.getDeviceProfileId().getId().getMostSignificantBits())
+                .setDeviceProfileIdLSB(otaPackage.getDeviceProfileId().getId().getLeastSignificantBits())
+                .setType(otaPackage.getType().name())
+                .setTitle(otaPackage.getTitle())
+                .setVersion(otaPackage.getVersion())
+                .setTag(otaPackage.getTag());
+
+        if (otaPackage.getUrl() != null) {
+            builder.setUrl(otaPackage.getUrl());
+        }
+        if (otaPackage.getAdditionalInfo() != null) {
+            builder.setAdditionalInfo(JacksonUtil.toString(otaPackage.getAdditionalInfo()));
+        }
+        if (otaPackage.getFileName() != null) {
+            builder.setFileName(otaPackage.getFileName());
+        }
+        if (otaPackage.getContentType() != null) {
+            builder.setContentType(otaPackage.getContentType());
+        }
+        if (otaPackage.getChecksumAlgorithm() != null) {
+            builder.setChecksumAlgorithm(otaPackage.getChecksumAlgorithm().name());
+        }
+        if (otaPackage.getChecksum() != null) {
+            builder.setChecksum(otaPackage.getChecksum());
+        }
+        if (otaPackage.getDataSize() != null) {
+            builder.setDataSize(otaPackage.getDataSize());
+        }
+        if (otaPackage.getData() != null) {
+            builder.setData(ByteString.copyFrom(otaPackage.getData().array()));
+        }
+        return builder.build();
+    }
+
+    public OtaPackageUpdateMsg constructOtaPackageDeleteMsg(OtaPackageId otaPackageId) {
+        return OtaPackageUpdateMsg.newBuilder()
+                .setMsgType(UpdateMsgType.ENTITY_DELETED_RPC_MESSAGE)
+                .setIdMSB(otaPackageId.getId().getMostSignificantBits())
+                .setIdLSB(otaPackageId.getId().getLeastSignificantBits()).build();
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/edge/rpc/constructor/RuleChainMsgConstructor.java

@@ -21,7 +21,9 @@ import com.fasterxml.jackson.databind.node.ObjectNode;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.rule.engine.flow.TbRuleChainInputNode;
 import org.thingsboard.rule.engine.flow.TbRuleChainInputNodeConfiguration;
+import org.thingsboard.rule.engine.flow.TbRuleChainOutputNode;
 import org.thingsboard.server.common.data.id.RuleChainId;
 import org.thingsboard.server.common.data.rule.NodeConnectionInfo;
 import org.thingsboard.server.common.data.rule.RuleChain;
@@ -49,9 +51,8 @@ import java.util.stream.Collectors;
 @TbCoreComponent
 public class RuleChainMsgConstructor {
 
-    private static final ObjectMapper objectMapper = new ObjectMapper();
-    private static final String RULE_CHAIN_INPUT_NODE = "org.thingsboard.rule.engine.flow.TbRuleChainInputNode";
-    private static final String TB_RULE_CHAIN_OUTPUT_NODE = "org.thingsboard.rule.engine.flow.TbRuleChainOutputNode";
+    private static final String RULE_CHAIN_INPUT_NODE = TbRuleChainInputNode.class.getName();
+    private static final String TB_RULE_CHAIN_OUTPUT_NODE = TbRuleChainOutputNode.class.getName();
 
     public RuleChainUpdateMsg constructRuleChainUpdatedMsg(RuleChainId edgeRootRuleChainId, UpdateMsgType msgType, RuleChain ruleChain) {
         RuleChainUpdateMsg.Builder builder = RuleChainUpdateMsg.newBuilder()
@@ -210,13 +211,11 @@ public class RuleChainMsgConstructor {
     private List<RuleNode> filterNodes_V_3_3_0(List<RuleNode> nodes) {
         List<RuleNode> result = new ArrayList<>();
         for (RuleNode node : nodes) {
-            switch (node.getType()) {
-                case RULE_CHAIN_INPUT_NODE:
-                case TB_RULE_CHAIN_OUTPUT_NODE:
-                    log.trace("Skipping not supported rule node {}", node);
-                    break;
-                default:
-                    result.add(node);
+            if (RULE_CHAIN_INPUT_NODE.equals(node.getType())
+                    || TB_RULE_CHAIN_OUTPUT_NODE.equals(node.getType())) {
+                log.trace("Skipping not supported rule node {}", node);
+            } else {
+                result.add(node);
             }
         }
         return result;
@@ -280,7 +279,7 @@ public class RuleChainMsgConstructor {
                 .setTargetRuleChainIdMSB(ruleChainConnectionInfo.getTargetRuleChainId().getId().getMostSignificantBits())
                 .setTargetRuleChainIdLSB(ruleChainConnectionInfo.getTargetRuleChainId().getId().getLeastSignificantBits())
                 .setType(ruleChainConnectionInfo.getType())
-                .setAdditionalInfo(objectMapper.writeValueAsString(additionalInfo))
+                .setAdditionalInfo(JacksonUtil.OBJECT_MAPPER.writeValueAsString(additionalInfo))
                 .build();
     }
 
@@ -291,8 +290,8 @@ public class RuleChainMsgConstructor {
                 .setType(node.getType())
                 .setName(node.getName())
                 .setDebugMode(node.isDebugMode())
-                .setConfiguration(objectMapper.writeValueAsString(node.getConfiguration()))
-                .setAdditionalInfo(objectMapper.writeValueAsString(node.getAdditionalInfo()))
+                .setConfiguration(JacksonUtil.OBJECT_MAPPER.writeValueAsString(node.getConfiguration()))
+                .setAdditionalInfo(JacksonUtil.OBJECT_MAPPER.writeValueAsString(node.getAdditionalInfo()))
                 .build();
     }
 

application/src/main/java/org/thingsboard/server/service/edge/rpc/fetch/AdminSettingsEdgeEventFetcher.java

@@ -83,7 +83,7 @@ public class AdminSettingsEdgeEventFetcher implements EdgeEventFetcher {
         result.add(EdgeUtils.constructEdgeEvent(tenantId, edge.getId(), EdgeEventType.ADMIN_SETTINGS,
                 EdgeEventActionType.UPDATED, null, mapper.valueToTree(systemMailSettings)));
 
-        AdminSettings tenantMailSettings = convertToTenantAdminSettings(systemMailSettings.getKey(), (ObjectNode) systemMailSettings.getJsonValue());
+        AdminSettings tenantMailSettings = convertToTenantAdminSettings(tenantId, systemMailSettings.getKey(), (ObjectNode) systemMailSettings.getJsonValue());
         result.add(EdgeUtils.constructEdgeEvent(tenantId, edge.getId(), EdgeEventType.ADMIN_SETTINGS,
                 EdgeEventActionType.UPDATED, null, mapper.valueToTree(tenantMailSettings)));
 
@@ -91,7 +91,7 @@ public class AdminSettingsEdgeEventFetcher implements EdgeEventFetcher {
         result.add(EdgeUtils.constructEdgeEvent(tenantId, edge.getId(), EdgeEventType.ADMIN_SETTINGS,
                 EdgeEventActionType.UPDATED, null, mapper.valueToTree(systemMailTemplates)));
 
-        AdminSettings tenantMailTemplates = convertToTenantAdminSettings(systemMailTemplates.getKey(), (ObjectNode) systemMailTemplates.getJsonValue());
+        AdminSettings tenantMailTemplates = convertToTenantAdminSettings(tenantId, systemMailTemplates.getKey(), (ObjectNode) systemMailTemplates.getJsonValue());
         result.add(EdgeUtils.constructEdgeEvent(tenantId, edge.getId(), EdgeEventType.ADMIN_SETTINGS,
                 EdgeEventActionType.UPDATED, null, mapper.valueToTree(tenantMailTemplates)));
 
@@ -151,8 +151,9 @@ public class AdminSettingsEdgeEventFetcher implements EdgeEventFetcher {
         }
     }
 
-    private AdminSettings convertToTenantAdminSettings(String key, ObjectNode jsonValue) {
+    private AdminSettings convertToTenantAdminSettings(TenantId tenantId, String key, ObjectNode jsonValue) {
         AdminSettings tenantMailSettings = new AdminSettings();
+        tenantMailSettings.setTenantId(tenantId);
         jsonValue.put("useSystemMailSettings", true);
         tenantMailSettings.setJsonValue(jsonValue);
         tenantMailSettings.setKey(key);

application/src/main/java/org/thingsboard/server/service/edge/rpc/fetch/OtaPackagesEdgeEventFetcher.java

@@ -0,0 +1,47 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.edge.rpc.fetch;
+
+import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.thingsboard.server.common.data.EdgeUtils;
+import org.thingsboard.server.common.data.OtaPackageInfo;
+import org.thingsboard.server.common.data.edge.Edge;
+import org.thingsboard.server.common.data.edge.EdgeEvent;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.edge.EdgeEventType;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.page.PageData;
+import org.thingsboard.server.common.data.page.PageLink;
+import org.thingsboard.server.dao.ota.OtaPackageService;
+
+@AllArgsConstructor
+@Slf4j
+public class OtaPackagesEdgeEventFetcher extends BasePageableEdgeEventFetcher<OtaPackageInfo> {
+
+    private final OtaPackageService otaPackageService;
+
+    @Override
+    PageData<OtaPackageInfo> fetchPageData(TenantId tenantId, Edge edge, PageLink pageLink) {
+        return otaPackageService.findTenantOtaPackagesByTenantId(tenantId, pageLink);
+    }
+
+    @Override
+    EdgeEvent constructEdgeEvent(TenantId tenantId, Edge edge, OtaPackageInfo otaPackageInfo) {
+        return EdgeUtils.constructEdgeEvent(tenantId, edge.getId(), EdgeEventType.OTA_PACKAGE,
+                EdgeEventActionType.ADDED, otaPackageInfo.getId(), null);
+    }
+}

application/src/main/java/org/thingsboard/server/service/edge/rpc/fetch/TenantWidgetsBundlesEdgeEventFetcher.java

@@ -32,6 +32,6 @@ public class TenantWidgetsBundlesEdgeEventFetcher extends BaseWidgetsBundlesEdge
     }
     @Override
     protected PageData<WidgetsBundle> findWidgetsBundles(TenantId tenantId, PageLink pageLink) {
-        return widgetsBundleService.findAllTenantWidgetsBundlesByTenantIdAndPageLink(tenantId, pageLink);
+        return widgetsBundleService.findTenantWidgetsBundlesByTenantId(tenantId, pageLink);
     }
 }

application/src/main/java/org/thingsboard/server/service/edge/rpc/processor/BaseEdgeProcessor.java

@@ -46,6 +46,7 @@ import org.thingsboard.server.dao.device.DeviceService;
 import org.thingsboard.server.dao.edge.EdgeEventService;
 import org.thingsboard.server.dao.edge.EdgeService;
 import org.thingsboard.server.dao.entityview.EntityViewService;
+import org.thingsboard.server.dao.ota.OtaPackageService;
 import org.thingsboard.server.dao.relation.RelationService;
 import org.thingsboard.server.dao.rule.RuleChainService;
 import org.thingsboard.server.dao.service.DataValidator;
@@ -61,6 +62,7 @@ import org.thingsboard.server.service.edge.rpc.constructor.DeviceMsgConstructor;
 import org.thingsboard.server.service.edge.rpc.constructor.DeviceProfileMsgConstructor;
 import org.thingsboard.server.service.edge.rpc.constructor.EntityDataMsgConstructor;
 import org.thingsboard.server.service.edge.rpc.constructor.EntityViewMsgConstructor;
+import org.thingsboard.server.service.edge.rpc.constructor.OtaPackageMsgConstructor;
 import org.thingsboard.server.service.edge.rpc.constructor.RelationMsgConstructor;
 import org.thingsboard.server.service.edge.rpc.constructor.RuleChainMsgConstructor;
 import org.thingsboard.server.service.edge.rpc.constructor.UserMsgConstructor;
@@ -137,6 +139,9 @@ public abstract class BaseEdgeProcessor {
     @Autowired
     protected WidgetTypeService widgetTypeService;
 
+    @Autowired
+    protected OtaPackageService otaPackageService;
+
     @Autowired
     protected DataValidator<Device> deviceValidator;
 
@@ -182,6 +187,9 @@ public abstract class BaseEdgeProcessor {
     @Autowired
     protected AdminSettingsMsgConstructor adminSettingsMsgConstructor;
 
+    @Autowired
+    protected OtaPackageMsgConstructor otaPackageMsgConstructor;
+
     @Autowired
     protected DbCallbackExecutorService dbCallbackExecutorService;
 

application/src/main/java/org/thingsboard/server/service/edge/rpc/processor/OtaPackageEdgeProcessor.java

@@ -0,0 +1,63 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.edge.rpc.processor;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import org.thingsboard.server.common.data.EdgeUtils;
+import org.thingsboard.server.common.data.OtaPackage;
+import org.thingsboard.server.common.data.edge.EdgeEvent;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.id.OtaPackageId;
+import org.thingsboard.server.gen.edge.v1.DownlinkMsg;
+import org.thingsboard.server.gen.edge.v1.OtaPackageUpdateMsg;
+import org.thingsboard.server.gen.edge.v1.UpdateMsgType;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+
+@Component
+@Slf4j
+@TbCoreComponent
+public class OtaPackageEdgeProcessor extends BaseEdgeProcessor {
+
+    public DownlinkMsg processOtaPackageToEdge(EdgeEvent edgeEvent, UpdateMsgType msgType, EdgeEventActionType action) {
+        OtaPackageId otaPackageId = new OtaPackageId(edgeEvent.getEntityId());
+        DownlinkMsg downlinkMsg = null;
+        switch (action) {
+            case ADDED:
+            case UPDATED:
+                OtaPackage otaPackage = otaPackageService.findOtaPackageById(edgeEvent.getTenantId(), otaPackageId);
+                if (otaPackage != null) {
+                    OtaPackageUpdateMsg otaPackageUpdateMsg =
+                            otaPackageMsgConstructor.constructOtaPackageUpdatedMsg(msgType, otaPackage);
+                    downlinkMsg = DownlinkMsg.newBuilder()
+                            .setDownlinkMsgId(EdgeUtils.nextPositiveInt())
+                            .addOtaPackageUpdateMsg(otaPackageUpdateMsg)
+                            .build();
+                }
+                break;
+            case DELETED:
+                OtaPackageUpdateMsg otaPackageUpdateMsg =
+                        otaPackageMsgConstructor.constructOtaPackageDeleteMsg(otaPackageId);
+                downlinkMsg = DownlinkMsg.newBuilder()
+                        .setDownlinkMsgId(EdgeUtils.nextPositiveInt())
+                        .addOtaPackageUpdateMsg(otaPackageUpdateMsg)
+                        .build();
+                break;
+        }
+        return downlinkMsg;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/edge/rpc/sync/DefaultEdgeRequestsService.java

@@ -378,7 +378,7 @@ public class DefaultEdgeRequestsService implements EdgeRequestsService {
                 }
                 List<ListenableFuture<Void>> futures = new ArrayList<>();
                 for (EntityView entityView : entityViews) {
-                    ListenableFuture<Boolean> future = relationService.checkRelation(tenantId, edge.getId(), entityView.getId(),
+                    ListenableFuture<Boolean> future = relationService.checkRelationAsync(tenantId, edge.getId(), entityView.getId(),
                             EntityRelation.CONTAINS_TYPE, RelationTypeGroup.EDGE);
                     futures.add(Futures.transformAsync(future, result -> {
                         if (Boolean.TRUE.equals(result)) {
@@ -413,11 +413,11 @@ public class DefaultEdgeRequestsService implements EdgeRequestsService {
     }
 
     private ListenableFuture<Void> saveEdgeEvent(TenantId tenantId,
-                               EdgeId edgeId,
-                               EdgeEventType type,
-                               EdgeEventActionType action,
-                               EntityId entityId,
-                               JsonNode body) {
+                                                 EdgeId edgeId,
+                                                 EdgeEventType type,
+                                                 EdgeEventActionType action,
+                                                 EntityId entityId,
+                                                 JsonNode body) {
         log.trace("Pushing edge event to edge queue. tenantId [{}], edgeId [{}], type [{}], action[{}], entityId [{}], body [{}]",
                 tenantId, edgeId, type, action, entityId, body);
 

application/src/main/java/org/thingsboard/server/service/entitiy/AbstractTbEntityService.java

@@ -64,6 +64,7 @@ import org.thingsboard.server.dao.widget.WidgetsBundleService;
 import org.thingsboard.server.service.action.EntityActionService;
 import org.thingsboard.server.service.edge.EdgeNotificationService;
 import org.thingsboard.server.service.executors.DbCallbackExecutorService;
+import org.thingsboard.server.service.sync.vc.EntitiesVersionControlService;
 import org.thingsboard.server.service.install.InstallScripts;
 import org.thingsboard.server.service.ota.OtaPackageStateService;
 import org.thingsboard.server.service.resource.TbResourceService;
@@ -125,6 +126,8 @@ public abstract class AbstractTbEntityService {
     @Autowired
     protected DashboardService dashboardService;
     @Autowired
+    protected EntitiesVersionControlService vcService;
+    @Autowired
     protected EntityViewService entityViewService;
     @Autowired
     protected TelemetrySubscriptionService tsSubService;

application/src/main/java/org/thingsboard/server/service/entitiy/DefaultTbNotificationEntityService.java

@@ -243,7 +243,7 @@ public class DefaultTbNotificationEntityService implements TbNotificationEntityS
             try {
                 if (!relation.getFrom().getEntityType().equals(EntityType.EDGE) &&
                         !relation.getTo().getEntityType().equals(EntityType.EDGE)) {
-                    sendNotificationMsgToEdgeService(tenantId, null, null, json.writeValueAsString(relation),
+                    sendNotificationMsgToEdge(tenantId, null, null, json.writeValueAsString(relation),
                             EdgeEventType.RELATION, edgeTypeByActionType(actionType));
                 }
             } catch (Exception e1) {
@@ -267,18 +267,18 @@ public class DefaultTbNotificationEntityService implements TbNotificationEntityS
     }
 
     private void sendEntityNotificationMsg(TenantId tenantId, EntityId entityId, EdgeEventActionType action) {
-        sendNotificationMsgToEdgeService(tenantId, null, entityId, null, null, action);
+        sendNotificationMsgToEdge(tenantId, null, entityId, null, null, action);
     }
 
     private void sendEntityAssignToCustomerNotificationMsg(TenantId tenantId, EntityId entityId, CustomerId customerId, EdgeEventActionType action) {
         try {
-            sendNotificationMsgToEdgeService(tenantId, null, entityId, json.writeValueAsString(customerId), null, action);
+            sendNotificationMsgToEdge(tenantId, null, entityId, json.writeValueAsString(customerId), null, action);
         } catch (Exception e) {
             log.warn("Failed to push assign/unassign to/from customer to core: {}", customerId, e);
         }
     }
 
-    protected void sendAlarmDeleteNotificationMsg(TenantId tenantId, Alarm alarm, List<EdgeId> edgeIds, String body) {
+    private void sendAlarmDeleteNotificationMsg(TenantId tenantId, Alarm alarm, List<EdgeId> edgeIds, String body) {
         try {
             sendDeleteNotificationMsg(tenantId, alarm.getId(), edgeIds, body);
         } catch (Exception e) {
@@ -286,8 +286,7 @@ public class DefaultTbNotificationEntityService implements TbNotificationEntityS
         }
     }
 
-    protected <E extends HasName, I extends EntityId> void sendDeleteNotificationMsg(TenantId tenantId, I entityId, E entity,
-                                                                                     List<EdgeId> edgeIds) {
+    private <E extends HasName, I extends EntityId> void sendDeleteNotificationMsg(TenantId tenantId, I entityId, E entity, List<EdgeId> edgeIds) {
         try {
             sendDeleteNotificationMsg(tenantId, entityId, edgeIds, null);
         } catch (Exception e) {
@@ -298,17 +297,17 @@ public class DefaultTbNotificationEntityService implements TbNotificationEntityS
     private void sendDeleteNotificationMsg(TenantId tenantId, EntityId entityId, List<EdgeId> edgeIds, String body) {
         if (edgeIds != null && !edgeIds.isEmpty()) {
             for (EdgeId edgeId : edgeIds) {
-                sendNotificationMsgToEdgeService(tenantId, edgeId, entityId, body, null, EdgeEventActionType.DELETED);
+                sendNotificationMsgToEdge(tenantId, edgeId, entityId, body, null, EdgeEventActionType.DELETED);
             }
         }
     }
 
     private void sendEntityAssignToEdgeNotificationMsg(TenantId tenantId, EdgeId edgeId, EntityId entityId, EdgeEventActionType action) {
-        sendNotificationMsgToEdgeService(tenantId, edgeId, entityId, null, null, action);
+        sendNotificationMsgToEdge(tenantId, edgeId, entityId, null, null, action);
     }
 
-    private void sendNotificationMsgToEdgeService(TenantId tenantId, EdgeId edgeId, EntityId entityId, String body, EdgeEventType type, EdgeEventActionType action) {
-        tbClusterService.sendNotificationMsgToEdgeService(tenantId, edgeId, entityId, body, type, action);
+    private void sendNotificationMsgToEdge(TenantId tenantId, EdgeId edgeId, EntityId entityId, String body, EdgeEventType type, EdgeEventActionType action) {
+        tbClusterService.sendNotificationMsgToEdge(tenantId, edgeId, entityId, body, type, action);
     }
 
     private void pushAssignedFromNotification(Tenant currentTenant, TenantId newTenantId, Device assignedDevice) {
@@ -335,7 +334,7 @@ public class DefaultTbNotificationEntityService implements TbNotificationEntityS
         return null;
     }
 
-    private EdgeEventActionType edgeTypeByActionType(ActionType actionType) {
+    public static EdgeEventActionType edgeTypeByActionType(ActionType actionType) {
         switch (actionType) {
             case ADDED:
                 return EdgeEventActionType.ADDED;

application/src/main/java/org/thingsboard/server/service/entitiy/asset/DefaultTbAssetService.java

@@ -46,6 +46,7 @@ public class DefaultTbAssetService extends AbstractTbEntityService implements Tb
         TenantId tenantId = asset.getTenantId();
         try {
             Asset savedAsset = checkNotNull(assetService.saveAsset(asset));
+            vcService.autoCommit(user, savedAsset.getId());
             notificationEntityService.notifyCreateOrUpdateEntity(tenantId, savedAsset.getId(), asset, savedAsset.getCustomerId(), actionType, user);
             return savedAsset;
         } catch (Exception e) {

application/src/main/java/org/thingsboard/server/service/entitiy/customer/DefaultTbCustomerService.java

@@ -40,10 +40,10 @@ public class DefaultTbCustomerService extends AbstractTbEntityService implements
     public Customer save(Customer customer, SecurityUser user) throws ThingsboardException {
         ActionType actionType = customer.getId() == null ? ActionType.ADDED : ActionType.UPDATED;
         TenantId tenantId = customer.getTenantId();
-        CustomerId customerId = customer.getId();
         try {
             Customer savedCustomer = checkNotNull(customerService.saveCustomer(customer));
-            notificationEntityService.notifyCreateOrUpdateEntity(tenantId, savedCustomer.getId(), savedCustomer, customerId, actionType, user);
+            vcService.autoCommit(user, savedCustomer.getId());
+            notificationEntityService.notifyCreateOrUpdateEntity(tenantId, savedCustomer.getId(), savedCustomer, null, actionType, user);
             return savedCustomer;
         } catch (Exception e) {
             notificationEntityService.notifyEntity(tenantId, emptyId(EntityType.CUSTOMER), customer, null, actionType, user, e);

application/src/main/java/org/thingsboard/server/service/entitiy/dashboard/DefaultTbDashboardService.java

@@ -48,6 +48,7 @@ public class DefaultTbDashboardService extends AbstractTbEntityService implement
         TenantId tenantId = dashboard.getTenantId();
         try {
             Dashboard savedDashboard = checkNotNull(dashboardService.saveDashboard(dashboard));
+            vcService.autoCommit(user, savedDashboard.getId());
             notificationEntityService.notifyCreateOrUpdateEntity(tenantId, savedDashboard.getId(), savedDashboard,
                     null, actionType, user);
             return savedDashboard;
@@ -219,7 +220,7 @@ public class DefaultTbDashboardService extends AbstractTbEntityService implement
     }
 
     @Override
-    public Dashboard asignDashboardToEdge(DashboardId dashboardId, Edge edge, SecurityUser user) throws ThingsboardException {
+    public Dashboard assignDashboardToEdge(DashboardId dashboardId, Edge edge, SecurityUser user) throws ThingsboardException {
         ActionType actionType = ActionType.ASSIGNED_TO_EDGE;
         TenantId tenantId = user.getTenantId();
         EdgeId edgeId = edge.getId();

application/src/main/java/org/thingsboard/server/service/entitiy/dashboard/TbDashboardService.java

@@ -26,7 +26,7 @@ import org.thingsboard.server.service.security.model.SecurityUser;
 
 import java.util.Set;
 
-public interface  TbDashboardService extends SimpleTbEntityService<Dashboard> {
+public interface TbDashboardService extends SimpleTbEntityService<Dashboard> {
 
     Dashboard assignDashboardToCustomer(DashboardId dashboardId, Customer customer, SecurityUser user) throws ThingsboardException;
 
@@ -40,7 +40,7 @@ public interface  TbDashboardService extends SimpleTbEntityService<Dashboard> {
 
     Dashboard removeDashboardCustomers(Dashboard dashboard, Set<CustomerId> customerIds, SecurityUser user) throws ThingsboardException;
 
-    Dashboard asignDashboardToEdge(DashboardId dashboardId, Edge edge, SecurityUser user) throws ThingsboardException;
+    Dashboard assignDashboardToEdge(DashboardId dashboardId, Edge edge, SecurityUser user) throws ThingsboardException;
 
     Dashboard unassignDashboardFromEdge(Dashboard dashboard, Edge edge, SecurityUser user) throws ThingsboardException;
 

application/src/main/java/org/thingsboard/server/service/entitiy/device/DefaultTbDeviceService.java

@@ -54,6 +54,7 @@ public class DefaultTbDeviceService extends AbstractTbEntityService implements T
         ActionType actionType = device.getId() == null ? ActionType.ADDED : ActionType.UPDATED;
         try {
             Device savedDevice = checkNotNull(deviceService.saveDeviceWithAccessToken(device, accessToken));
+            vcService.autoCommit(user, savedDevice.getId());
             notificationEntityService.notifyCreateOrUpdateDevice(tenantId, savedDevice.getId(), savedDevice.getCustomerId(),
                     savedDevice, oldDevice, actionType, user);
 

application/src/main/java/org/thingsboard/server/service/entitiy/deviceProfile/DefaultTbDeviceProfileService.java

@@ -54,7 +54,7 @@ public class DefaultTbDeviceProfileService extends AbstractTbEntityService imple
                 }
             }
             DeviceProfile savedDeviceProfile = checkNotNull(deviceProfileService.saveDeviceProfile(deviceProfile));
-
+            vcService.autoCommit(user, savedDeviceProfile.getId());
             tbClusterService.onDeviceProfileChange(savedDeviceProfile, null);
             tbClusterService.broadcastEntityStateChangeEvent(tenantId, savedDeviceProfile.getId(),
                     actionType.equals(ActionType.ADDED) ? ComponentLifecycleEvent.CREATED : ComponentLifecycleEvent.UPDATED);

application/src/main/java/org/thingsboard/server/service/entitiy/entityView/DefaultTbEntityViewService.java

@@ -66,19 +66,33 @@ public class DefaultTbEntityViewService extends AbstractTbEntityService implemen
     @Override
     public EntityView save(EntityView entityView, EntityView existingEntityView, SecurityUser user) throws ThingsboardException {
         ActionType actionType = entityView.getId() == null ? ActionType.ADDED : ActionType.UPDATED;
+        try {
+            EntityView savedEntityView = checkNotNull(entityViewService.saveEntityView(entityView));
+            this.updateEntityViewAttributes(user, savedEntityView, existingEntityView);
+            notificationEntityService.notifyCreateOrUpdateEntity(savedEntityView.getTenantId(), savedEntityView.getId(), savedEntityView,
+                    null, actionType, user);
+            return savedEntityView;
+        } catch (Exception e) {
+            notificationEntityService.notifyEntity(user.getTenantId(), emptyId(EntityType.ENTITY_VIEW), entityView, null, actionType, user, e);
+            throw handleException(e);
+        }
+    }
+
+    @Override
+    public void updateEntityViewAttributes(SecurityUser user, EntityView savedEntityView, EntityView oldEntityView) throws ThingsboardException {
         try {
             List<ListenableFuture<?>> futures = new ArrayList<>();
-            if (existingEntityView != null) {
-                if (existingEntityView.getKeys() != null && existingEntityView.getKeys().getAttributes() != null) {
-                    futures.add(deleteAttributesFromEntityView(existingEntityView, DataConstants.CLIENT_SCOPE, existingEntityView.getKeys().getAttributes().getCs(), user));
-                    futures.add(deleteAttributesFromEntityView(existingEntityView, DataConstants.SERVER_SCOPE, existingEntityView.getKeys().getAttributes().getCs(), user));
-                    futures.add(deleteAttributesFromEntityView(existingEntityView, DataConstants.SHARED_SCOPE, existingEntityView.getKeys().getAttributes().getCs(), user));
+
+            if (oldEntityView != null) {
+                if (oldEntityView.getKeys() != null && oldEntityView.getKeys().getAttributes() != null) {
+                    futures.add(deleteAttributesFromEntityView(oldEntityView, DataConstants.CLIENT_SCOPE, oldEntityView.getKeys().getAttributes().getCs(), user));
+                    futures.add(deleteAttributesFromEntityView(oldEntityView, DataConstants.SERVER_SCOPE, oldEntityView.getKeys().getAttributes().getSs(), user));
+                    futures.add(deleteAttributesFromEntityView(oldEntityView, DataConstants.SHARED_SCOPE, oldEntityView.getKeys().getAttributes().getSh(), user));
                 }
-                List<String> tsKeys = existingEntityView.getKeys() != null && existingEntityView.getKeys().getTimeseries() != null ?
-                        existingEntityView.getKeys().getTimeseries() : Collections.emptyList();
-                futures.add(deleteLatestFromEntityView(existingEntityView, tsKeys, user));
+                List<String> tsKeys = oldEntityView.getKeys() != null && oldEntityView.getKeys().getTimeseries() != null ?
+                        oldEntityView.getKeys().getTimeseries() : Collections.emptyList();
+                futures.add(deleteLatestFromEntityView(oldEntityView, tsKeys, user));
             }
-            EntityView savedEntityView = checkNotNull(entityViewService.saveEntityView(entityView));
             if (savedEntityView.getKeys() != null) {
                 if (savedEntityView.getKeys().getAttributes() != null) {
                     futures.add(copyAttributesFromEntityToEntityView(savedEntityView, DataConstants.CLIENT_SCOPE, savedEntityView.getKeys().getAttributes().getCs(), user));
@@ -94,13 +108,7 @@ public class DefaultTbEntityViewService extends AbstractTbEntityService implemen
                     throw new RuntimeException("Failed to copy attributes to entity view", e);
                 }
             }
-
-            notificationEntityService.notifyCreateOrUpdateEntity(savedEntityView.getTenantId(), savedEntityView.getId(), savedEntityView,
-                    null, actionType, user);
-
-            return savedEntityView;
         } catch (Exception e) {
-            notificationEntityService.notifyEntity(user.getTenantId(), emptyId(EntityType.ENTITY_VIEW), entityView, null, actionType, user, e);
             throw handleException(e);
         }
     }

application/src/main/java/org/thingsboard/server/service/entitiy/entityView/TbEntityViewService.java

@@ -28,6 +28,8 @@ public interface TbEntityViewService {
 
     EntityView save(EntityView entityView, EntityView existingEntityView, SecurityUser user) throws ThingsboardException;
 
+    void updateEntityViewAttributes(SecurityUser user, EntityView savedEntityView, EntityView oldEntityView) throws ThingsboardException;
+
     void  delete (EntityView entity, SecurityUser user) throws ThingsboardException;
 
     EntityView assignEntityViewToCustomer(TenantId tenantId, EntityViewId entityViewId, Customer customer,

application/src/main/java/org/thingsboard/server/service/entitiy/otaPackageController/DefaultTbOtaPackageService.java

@@ -45,8 +45,10 @@ public class DefaultTbOtaPackageService extends AbstractTbEntityService implemen
         ActionType actionType = saveOtaPackageInfoRequest.getId() == null ? ActionType.ADDED : ActionType.UPDATED;
         try {
             OtaPackageInfo savedOtaPackageInfo = otaPackageService.saveOtaPackageInfo(new OtaPackageInfo(saveOtaPackageInfoRequest), saveOtaPackageInfoRequest.isUsesUrl());
-            notificationEntityService.notifyEntity(tenantId, savedOtaPackageInfo.getId(), savedOtaPackageInfo, null,
-                    actionType, user, null);
+
+            boolean sendToEdge = savedOtaPackageInfo.hasUrl() || savedOtaPackageInfo.isHasData();
+            notificationEntityService.notifyCreateOrUpdateOrDelete(tenantId, null, savedOtaPackageInfo.getId(), savedOtaPackageInfo, user, actionType, sendToEdge, null);
+
             return savedOtaPackageInfo;
         } catch (Exception e) {
             notificationEntityService.notifyEntity(tenantId, emptyId(EntityType.OTA_PACKAGE), saveOtaPackageInfoRequest, null,
@@ -61,8 +63,11 @@ public class DefaultTbOtaPackageService extends AbstractTbEntityService implemen
         OtaPackageId otaPackageId = otaPackageInfo.getId();
         try {
             otaPackageService.deleteOtaPackage(tenantId, otaPackageId);
-            notificationEntityService.notifyEntity(tenantId, otaPackageId, otaPackageInfo, null,
-                    ActionType.DELETED, user, null, otaPackageInfo.getId().toString());
+//            notificationEntityService.notifyEntity(tenantId, otaPackageId, otaPackageInfo, null,
+//                    ActionType.DELETED, user, null, otaPackageInfo.getId().toString());
+
+            notificationEntityService.notifyCreateOrUpdateOrDelete(tenantId, null, otaPackageId, otaPackageInfo,
+                    user, ActionType.DELETED, true, null, otaPackageInfo.getId().toString());
         } catch (Exception e) {
             notificationEntityService.notifyEntity(tenantId, emptyId(EntityType.OTA_PACKAGE), null, null,
                     ActionType.DELETED, user, e, otaPackageInfo.getId().toString());
@@ -95,8 +100,8 @@ public class DefaultTbOtaPackageService extends AbstractTbEntityService implemen
             otaPackage.setData(ByteBuffer.wrap(data));
             otaPackage.setDataSize((long) data.length);
             OtaPackageInfo savedOtaPackage = otaPackageService.saveOtaPackage(otaPackage);
-            notificationEntityService.notifyEntity(tenantId, savedOtaPackage.getId(), savedOtaPackage, null,
-                    ActionType.UPDATED, user, null);
+
+            notificationEntityService.notifyCreateOrUpdateOrDelete(tenantId, null, savedOtaPackage.getId(), savedOtaPackage, user, ActionType.UPDATED, true, null);
             return savedOtaPackage;
         } catch (Exception e) {
             notificationEntityService.notifyEntity(tenantId, emptyId(EntityType.OTA_PACKAGE), null, null,

application/src/main/java/org/thingsboard/server/service/entitiy/tenant/DefaultTbTenantService.java

@@ -27,8 +27,10 @@ import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.entitiy.AbstractTbEntityService;
 import org.thingsboard.server.service.entitiy.queue.TbQueueService;
 import org.thingsboard.server.service.install.InstallScripts;
+import org.thingsboard.server.service.sync.vc.EntitiesVersionControlService;
 
 import java.util.Collections;
+import java.util.concurrent.TimeUnit;
 
 @Service
 @TbCoreComponent
@@ -38,6 +40,7 @@ public class DefaultTbTenantService extends AbstractTbEntityService implements T
     private final InstallScripts installScripts;
     private final TbQueueService tbQueueService;
     private final TenantProfileService tenantProfileService;
+    private final EntitiesVersionControlService versionControlService;
 
     @Override
     public Tenant save(Tenant tenant) throws ThingsboardException {
@@ -70,6 +73,7 @@ public class DefaultTbTenantService extends AbstractTbEntityService implements T
             tenantService.deleteTenant(tenantId);
             tenantProfileCache.evict(tenantId);
             notificationEntityService.notifyDeleteTenant(tenant);
+            versionControlService.deleteVersionControlSettings(tenantId).get(1, TimeUnit.MINUTES);
         } catch (Exception e) {
             throw handleException(e);
         }

application/src/main/java/org/thingsboard/server/service/install/DefaultSystemDataLoaderService.java

@@ -265,6 +265,7 @@ public class DefaultSystemDataLoaderService implements SystemDataLoaderService {
     @Override
     public void createAdminSettings() throws Exception {
         AdminSettings generalSettings = new AdminSettings();
+        generalSettings.setTenantId(TenantId.SYS_TENANT_ID);
         generalSettings.setKey("general");
         ObjectNode node = objectMapper.createObjectNode();
         node.put("baseUrl", "http://localhost:8080");
@@ -273,6 +274,7 @@ public class DefaultSystemDataLoaderService implements SystemDataLoaderService {
         adminSettingsService.saveAdminSettings(TenantId.SYS_TENANT_ID, generalSettings);
 
         AdminSettings mailSettings = new AdminSettings();
+        mailSettings.setTenantId(TenantId.SYS_TENANT_ID);
         mailSettings.setKey("mail");
         node = objectMapper.createObjectNode();
         node.put("mailFrom", "ThingsBoard <sysadmin@localhost.localdomain>");

application/src/main/java/org/thingsboard/server/service/install/PsqlEntityDatabaseSchemaService.java → application/src/main/java/org/thingsboard/server/service/install/SqlEntityDatabaseSchemaService.java

@@ -18,19 +18,17 @@ package org.thingsboard.server.service.install;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.context.annotation.Profile;
 import org.springframework.stereotype.Service;
-import org.thingsboard.server.dao.util.PsqlDao;
 
 @Service
-@PsqlDao
 @Profile("install")
 @Slf4j
-public class PsqlEntityDatabaseSchemaService extends SqlAbstractDatabaseSchemaService
+public class SqlEntityDatabaseSchemaService extends SqlAbstractDatabaseSchemaService
         implements EntityDatabaseSchemaService {
     public static final String SCHEMA_ENTITIES_SQL = "schema-entities.sql";
     public static final String SCHEMA_ENTITIES_IDX_SQL = "schema-entities-idx.sql";
     public static final String SCHEMA_ENTITIES_IDX_PSQL_ADDON_SQL = "schema-entities-idx-psql-addon.sql";
 
-    public PsqlEntityDatabaseSchemaService() {
+    public SqlEntityDatabaseSchemaService() {
         super(SCHEMA_ENTITIES_SQL, SCHEMA_ENTITIES_IDX_SQL);
     }
 

application/src/main/java/org/thingsboard/server/service/install/PsqlTsDatabaseSchemaService.java → application/src/main/java/org/thingsboard/server/service/install/SqlTsDatabaseSchemaService.java

@@ -18,19 +18,17 @@ package org.thingsboard.server.service.install;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Profile;
 import org.springframework.stereotype.Service;
-import org.thingsboard.server.dao.util.PsqlDao;
 import org.thingsboard.server.dao.util.SqlTsDao;
 
 @Service
 @SqlTsDao
-@PsqlDao
 @Profile("install")
-public class PsqlTsDatabaseSchemaService extends SqlAbstractDatabaseSchemaService implements TsDatabaseSchemaService {
+public class SqlTsDatabaseSchemaService extends SqlAbstractDatabaseSchemaService implements TsDatabaseSchemaService {
 
     @Value("${sql.postgres.ts_key_value_partitioning:MONTHS}")
     private String partitionType;
 
-    public PsqlTsDatabaseSchemaService() {
+    public SqlTsDatabaseSchemaService() {
         super("schema-ts-psql.sql", null);
     }
 

application/src/main/java/org/thingsboard/server/service/install/PsqlTsDatabaseUpgradeService.java → application/src/main/java/org/thingsboard/server/service/install/SqlTsDatabaseUpgradeService.java

@@ -21,7 +21,6 @@ import org.apache.commons.lang3.SystemUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Profile;
 import org.springframework.stereotype.Service;
-import org.thingsboard.server.dao.util.PsqlDao;
 import org.thingsboard.server.dao.util.SqlTsDao;
 
 import java.io.File;
@@ -36,8 +35,7 @@ import java.sql.DriverManager;
 @Profile("install")
 @Slf4j
 @SqlTsDao
-@PsqlDao
-public class PsqlTsDatabaseUpgradeService extends AbstractSqlTsDatabaseUpgradeService implements DatabaseTsUpgradeService {
+public class SqlTsDatabaseUpgradeService extends AbstractSqlTsDatabaseUpgradeService implements DatabaseTsUpgradeService {
 
     @Value("${sql.postgres.ts_key_value_partitioning:MONTHS}")
     private String partitionType;

application/src/main/java/org/thingsboard/server/service/install/TimescaleTsDatabaseSchemaService.java

@@ -19,16 +19,10 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Profile;
 import org.springframework.stereotype.Service;
-import org.thingsboard.server.dao.util.PsqlDao;
 import org.thingsboard.server.dao.util.TimescaleDBTsDao;
 
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.SQLException;
-
 @Service
 @TimescaleDBTsDao
-@PsqlDao
 @Profile("install")
 @Slf4j
 public class TimescaleTsDatabaseSchemaService extends SqlAbstractDatabaseSchemaService implements TsDatabaseSchemaService {

application/src/main/java/org/thingsboard/server/service/install/TimescaleTsDatabaseUpgradeService.java

@@ -22,7 +22,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Profile;
 import org.springframework.stereotype.Service;
-import org.thingsboard.server.dao.util.PsqlDao;
 import org.thingsboard.server.dao.util.TimescaleDBTsDao;
 
 import java.io.File;
@@ -37,7 +36,6 @@ import java.sql.DriverManager;
 @Profile("install")
 @Slf4j
 @TimescaleDBTsDao
-@PsqlDao
 public class TimescaleTsDatabaseUpgradeService extends AbstractSqlTsDatabaseUpgradeService implements DatabaseTsUpgradeService {
 
     @Value("${sql.timescale.chunk_time_interval:86400000}")

application/src/main/java/org/thingsboard/server/service/install/update/DefaultDataUpdateService.java

@@ -21,7 +21,6 @@ import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.commons.collections.CollectionUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Profile;
 import org.springframework.stereotype.Service;
@@ -56,12 +55,9 @@ import org.thingsboard.server.common.data.rule.RuleNode;
 import org.thingsboard.server.common.data.tenant.profile.TenantProfileQueueConfiguration;
 import org.thingsboard.server.dao.DaoUtil;
 import org.thingsboard.server.dao.alarm.AlarmDao;
-import org.thingsboard.server.dao.alarm.AlarmService;
 import org.thingsboard.server.dao.entity.EntityService;
 import org.thingsboard.server.dao.entityview.EntityViewService;
 import org.thingsboard.server.dao.model.sql.DeviceProfileEntity;
-import org.thingsboard.server.dao.model.sql.RelationEntity;
-import org.thingsboard.server.dao.oauth2.OAuth2Service;
 import org.thingsboard.server.dao.queue.QueueService;
 import org.thingsboard.server.dao.relation.RelationService;
 import org.thingsboard.server.dao.rule.RuleChainService;
@@ -69,7 +65,6 @@ import org.thingsboard.server.dao.sql.device.DeviceProfileRepository;
 import org.thingsboard.server.dao.tenant.TenantProfileService;
 import org.thingsboard.server.dao.tenant.TenantService;
 import org.thingsboard.server.dao.timeseries.TimeseriesService;
-import org.thingsboard.server.queue.settings.TbRuleEngineQueueConfiguration;
 import org.thingsboard.server.service.install.InstallScripts;
 import org.thingsboard.server.service.install.SystemDataLoaderService;
 import org.thingsboard.server.service.install.TbRuleEngineQueueConfigService;
@@ -107,9 +102,6 @@ public class DefaultDataUpdateService implements DataUpdateService {
     @Autowired
     private TimeseriesService tsService;
 
-    @Autowired
-    private AlarmService alarmService;
-
     @Autowired
     private EntityService entityService;
 
@@ -120,7 +112,7 @@ public class DefaultDataUpdateService implements DataUpdateService {
     private DeviceProfileRepository deviceProfileRepository;
 
     @Autowired
-    private OAuth2Service oAuth2Service;
+    private RateLimitsUpdater rateLimitsUpdater;
 
     @Autowired
     private TenantProfileService tenantProfileService;
@@ -162,8 +154,9 @@ public class DefaultDataUpdateService implements DataUpdateService {
                 break;
             case "3.3.4":
                 log.info("Updating data from version 3.3.4 to 3.4.0 ...");
-                tenantsProfileQueueConfigurationUpdater.updateEntities(null);
-                checkPointRuleNodesUpdater.updateEntities(null);
+                rateLimitsUpdater.updateEntities();
+                tenantsProfileQueueConfigurationUpdater.updateEntities();
+                checkPointRuleNodesUpdater.updateEntities();
                 break;
             default:
                 throw new RuntimeException("Unable to update data, unsupported fromVersion: " + fromVersion);

application/src/main/java/org/thingsboard/server/service/install/update/PaginatedUpdater.java

@@ -49,6 +49,10 @@ public abstract class PaginatedUpdater<I, D> {
         }
     }
 
+    public void updateEntities() {
+        updateEntities(null);
+    }
+
     protected boolean forceReportTotal() {
         return false;
     }

application/src/main/java/org/thingsboard/server/service/install/update/RateLimitsUpdater.java

@@ -0,0 +1,115 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.install.update;
+
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.thingsboard.server.common.data.TenantProfile;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.page.PageData;
+import org.thingsboard.server.common.data.page.PageLink;
+import org.thingsboard.server.dao.tenant.TenantProfileService;
+
+@Component
+class RateLimitsUpdater extends PaginatedUpdater<String, TenantProfile> {
+
+    @Value("#{ environment.getProperty('TB_SERVER_REST_LIMITS_TENANT_ENABLED') ?: environment.getProperty('server.rest.limits.tenant.enabled') ?: 'false' }")
+    boolean tenantServerRestLimitsEnabled;
+    @Value("#{ environment.getProperty('TB_SERVER_REST_LIMITS_TENANT_CONFIGURATION') ?: environment.getProperty('server.rest.limits.tenant.configuration') ?: '100:1,2000:60' }")
+    String tenantServerRestLimitsConfiguration;
+    @Value("#{ environment.getProperty('TB_SERVER_REST_LIMITS_CUSTOMER_ENABLED') ?: environment.getProperty('server.rest.limits.customer.enabled') ?: 'false' }")
+    boolean customerServerRestLimitsEnabled;
+    @Value("#{ environment.getProperty('TB_SERVER_REST_LIMITS_CUSTOMER_CONFIGURATION') ?: environment.getProperty('server.rest.limits.customer.configuration') ?: '50:1,1000:60' }")
+    String customerServerRestLimitsConfiguration;
+
+    @Value("#{ environment.getProperty('TB_SERVER_WS_TENANT_RATE_LIMITS_MAX_SESSIONS_PER_TENANT') ?: environment.getProperty('server.ws.limits.max_sessions_per_tenant') ?: '0' }")
+    private int maxWsSessionsPerTenant;
+    @Value("#{ environment.getProperty('TB_SERVER_WS_TENANT_RATE_LIMITS_MAX_SESSIONS_PER_CUSTOMER') ?: environment.getProperty('server.ws.limits.max_sessions_per_customer') ?: '0' }")
+    private int maxWsSessionsPerCustomer;
+    @Value("#{ environment.getProperty('TB_SERVER_WS_TENANT_RATE_LIMITS_MAX_SESSIONS_PER_REGULAR_USER') ?: environment.getProperty('server.ws.limits.max_sessions_per_regular_user') ?: '0' }")
+    private int maxWsSessionsPerRegularUser;
+    @Value("#{ environment.getProperty('TB_SERVER_WS_TENANT_RATE_LIMITS_MAX_SESSIONS_PER_PUBLIC_USER') ?: environment.getProperty('server.ws.limits.max_sessions_per_public_user') ?: '0' }")
+    private int maxWsSessionsPerPublicUser;
+    @Value("#{ environment.getProperty('TB_SERVER_WS_TENANT_RATE_LIMITS_MAX_QUEUE_PER_WS_SESSION') ?: environment.getProperty('server.ws.limits.max_queue_per_ws_session') ?: '500' }")
+    private int wsMsgQueueLimitPerSession;
+    @Value("#{ environment.getProperty('TB_SERVER_WS_TENANT_RATE_LIMITS_MAX_SUBSCRIPTIONS_PER_TENANT') ?: environment.getProperty('server.ws.limits.max_subscriptions_per_tenant') ?: '0' }")
+    private long maxWsSubscriptionsPerTenant;
+    @Value("#{ environment.getProperty('TB_SERVER_WS_TENANT_RATE_LIMITS_MAX_SUBSCRIPTIONS_PER_CUSTOMER') ?: environment.getProperty('server.ws.limits.max_subscriptions_per_customer') ?: '0' }")
+    private long maxWsSubscriptionsPerCustomer;
+    @Value("#{ environment.getProperty('TB_SERVER_WS_TENANT_RATE_LIMITS_MAX_SUBSCRIPTIONS_PER_REGULAR_USER') ?: environment.getProperty('server.ws.limits.max_subscriptions_per_regular_user') ?: '0' }")
+    private long maxWsSubscriptionsPerRegularUser;
+    @Value("#{ environment.getProperty('TB_SERVER_WS_TENANT_RATE_LIMITS_MAX_SUBSCRIPTIONS_PER_PUBLIC_USER') ?: environment.getProperty('server.ws.limits.max_subscriptions_per_public_user') ?: '0' }")
+    private long maxWsSubscriptionsPerPublicUser;
+    @Value("#{ environment.getProperty('TB_SERVER_WS_TENANT_RATE_LIMITS_MAX_UPDATES_PER_SESSION') ?: environment.getProperty('server.ws.limits.max_updates_per_session') ?: '300:1,3000:60' }")
+    private String wsUpdatesPerSessionRateLimit;
+
+    @Value("#{ environment.getProperty('CASSANDRA_QUERY_TENANT_RATE_LIMITS_ENABLED') ?: environment.getProperty('cassandra.query.tenant_rate_limits.enabled') ?: 'false' }")
+    private boolean cassandraQueryTenantRateLimitsEnabled;
+    @Value("#{ environment.getProperty('CASSANDRA_QUERY_TENANT_RATE_LIMITS_CONFIGURATION') ?: environment.getProperty('cassandra.query.tenant_rate_limits.configuration') ?: '1000:1,30000:60' }")
+    private String cassandraQueryTenantRateLimitsConfiguration;
+
+    @Autowired
+    private TenantProfileService tenantProfileService;
+
+    @Override
+    protected boolean forceReportTotal() {
+        return true;
+    }
+
+    @Override
+    protected String getName() {
+        return "Rate limits updater";
+    }
+
+    @Override
+    protected PageData<TenantProfile> findEntities(String id, PageLink pageLink) {
+        return tenantProfileService.findTenantProfiles(TenantId.SYS_TENANT_ID, pageLink);
+    }
+
+    @Override
+    protected void updateEntity(TenantProfile tenantProfile) {
+        var profileConfiguration = tenantProfile.getDefaultProfileConfiguration();
+
+        if (tenantServerRestLimitsEnabled && StringUtils.isNotEmpty(tenantServerRestLimitsConfiguration)) {
+            profileConfiguration.setTenantServerRestLimitsConfiguration(tenantServerRestLimitsConfiguration);
+        }
+        if (customerServerRestLimitsEnabled && StringUtils.isNotEmpty(customerServerRestLimitsConfiguration)) {
+            profileConfiguration.setCustomerServerRestLimitsConfiguration(customerServerRestLimitsConfiguration);
+        }
+
+        profileConfiguration.setMaxWsSessionsPerTenant(maxWsSessionsPerTenant);
+        profileConfiguration.setMaxWsSessionsPerCustomer(maxWsSessionsPerCustomer);
+        profileConfiguration.setMaxWsSessionsPerPublicUser(maxWsSessionsPerPublicUser);
+        profileConfiguration.setMaxWsSessionsPerRegularUser(maxWsSessionsPerRegularUser);
+        profileConfiguration.setMaxWsSubscriptionsPerTenant(maxWsSubscriptionsPerTenant);
+        profileConfiguration.setMaxWsSubscriptionsPerCustomer(maxWsSubscriptionsPerCustomer);
+        profileConfiguration.setMaxWsSubscriptionsPerPublicUser(maxWsSubscriptionsPerPublicUser);
+        profileConfiguration.setMaxWsSubscriptionsPerRegularUser(maxWsSubscriptionsPerRegularUser);
+        profileConfiguration.setWsMsgQueueLimitPerSession(wsMsgQueueLimitPerSession);
+        if (StringUtils.isNotEmpty(wsUpdatesPerSessionRateLimit)) {
+            profileConfiguration.setWsUpdatesPerSessionRateLimit(wsUpdatesPerSessionRateLimit);
+        }
+
+        if (cassandraQueryTenantRateLimitsEnabled && StringUtils.isNotEmpty(cassandraQueryTenantRateLimitsConfiguration)) {
+            profileConfiguration.setCassandraQueryTenantRateLimitsConfiguration(cassandraQueryTenantRateLimitsConfiguration);
+        }
+
+        tenantProfileService.saveTenantProfile(TenantId.SYS_TENANT_ID, tenantProfile);
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/queue/DefaultTbClusterService.java

@@ -53,7 +53,7 @@ import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
 import org.thingsboard.server.common.msg.queue.ServiceType;
 import org.thingsboard.server.common.msg.queue.TopicPartitionInfo;
 import org.thingsboard.server.common.msg.rpc.FromDeviceRpcResponse;
-import org.thingsboard.server.common.transport.util.DataDecodingEncodingService;
+import org.thingsboard.server.queue.util.DataDecodingEncodingService;
 import org.thingsboard.server.gen.transport.TransportProtos;
 import org.thingsboard.server.gen.transport.TransportProtos.FromDeviceRPCResponseProto;
 import org.thingsboard.server.gen.transport.TransportProtos.ToCoreMsg;
@@ -135,6 +135,15 @@ public class DefaultTbClusterService implements TbClusterService {
         toCoreMsgs.incrementAndGet();
     }
 
+    @Override
+    public void pushMsgToVersionControl(TenantId tenantId, TransportProtos.ToVersionControlServiceMsg msg, TbQueueCallback callback) {
+        TopicPartitionInfo tpi = partitionService.resolve(ServiceType.TB_VC_EXECUTOR, tenantId, tenantId);
+        log.trace("PUSHING msg: {} to:{}", msg, tpi);
+        producerProvider.getTbVersionControlMsgProducer().send(tpi, new TbProtoQueueMsg<>(tenantId.getId(), msg), callback);
+        //TODO: ashvayka
+        toCoreMsgs.incrementAndGet();
+    }
+
     @Override
     public void pushNotificationToCore(String serviceId, FromDeviceRpcResponse response, TbQueueCallback callback) {
         TopicPartitionInfo tpi = notificationsTopicService.getNotificationsTopic(ServiceType.TB_CORE, serviceId);
@@ -432,12 +441,12 @@ public class DefaultTbClusterService implements TbClusterService {
         sendDeviceStateServiceEvent(device.getTenantId(), device.getId(), created, !created, false);
         otaPackageStateService.update(device, old);
         if (!created && notifyEdge) {
-            sendNotificationMsgToEdgeService(device.getTenantId(), null, device.getId(), null, null, EdgeEventActionType.UPDATED);
+            sendNotificationMsgToEdge(device.getTenantId(), null, device.getId(), null, null, EdgeEventActionType.UPDATED);
         }
     }
 
     @Override
-    public void sendNotificationMsgToEdgeService(TenantId tenantId, EdgeId edgeId, EntityId entityId, String body, EdgeEventType type, EdgeEventActionType action) {
+    public void sendNotificationMsgToEdge(TenantId tenantId, EdgeId edgeId, EntityId entityId, String body, EdgeEventType type, EdgeEventActionType action) {
         if (!edgesEnabled) {
             return;
         }

application/src/main/java/org/thingsboard/server/service/queue/DefaultTbCoreConsumerService.java

@@ -36,7 +36,7 @@ import org.thingsboard.server.common.msg.queue.ServiceType;
 import org.thingsboard.server.common.msg.queue.TbCallback;
 import org.thingsboard.server.common.msg.rpc.FromDeviceRpcResponse;
 import org.thingsboard.server.common.stats.StatsFactory;
-import org.thingsboard.server.common.transport.util.DataDecodingEncodingService;
+import org.thingsboard.server.queue.util.DataDecodingEncodingService;
 import org.thingsboard.server.dao.tenant.TbTenantProfileCache;
 import org.thingsboard.server.gen.transport.TransportProtos;
 import org.thingsboard.server.gen.transport.TransportProtos.DeviceStateServiceMsgProto;
@@ -75,6 +75,8 @@ import org.thingsboard.server.service.state.DeviceStateService;
 import org.thingsboard.server.service.subscription.SubscriptionManagerService;
 import org.thingsboard.server.service.subscription.TbLocalSubscriptionService;
 import org.thingsboard.server.service.subscription.TbSubscriptionUtils;
+import org.thingsboard.server.service.sync.vc.EntitiesVersionControlService;
+import org.thingsboard.server.service.sync.vc.GitVersionControlQueueService;
 import org.thingsboard.server.service.transport.msg.TransportToDeviceActorMsgWrapper;
 
 import javax.annotation.PostConstruct;
@@ -117,6 +119,7 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
     private final TbCoreDeviceRpcService tbCoreDeviceRpcService;
     private final EdgeNotificationService edgeNotificationService;
     private final OtaPackageStateService firmwareStateService;
+    private final GitVersionControlQueueService vcQueueService;
     private final TbCoreConsumerStats stats;
     protected final TbQueueConsumer<TbProtoQueueMsg<ToUsageStatsServiceMsg>> usageStatsConsumer;
     private final TbQueueConsumer<TbProtoQueueMsg<ToOtaPackageStateServiceMsg>> firmwareStatesConsumer;
@@ -138,7 +141,9 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
                                         TbTenantProfileCache tenantProfileCache,
                                         TbApiUsageStateService apiUsageStateService,
                                         EdgeNotificationService edgeNotificationService,
-                                        OtaPackageStateService firmwareStateService, PartitionService partitionService) {
+                                        OtaPackageStateService firmwareStateService,
+                                        GitVersionControlQueueService vcQueueService,
+                                        PartitionService partitionService) {
         super(actorContext, encodingService, tenantProfileCache, deviceProfileCache, apiUsageStateService, partitionService, tbCoreQueueFactory.createToCoreNotificationsMsgConsumer());
         this.mainConsumer = tbCoreQueueFactory.createToCoreMsgConsumer();
         this.usageStatsConsumer = tbCoreQueueFactory.createToUsageStatsServiceMsgConsumer();
@@ -151,6 +156,7 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
         this.stats = new TbCoreConsumerStats(statsFactory);
         this.statsService = statsService;
         this.firmwareStateService = firmwareStateService;
+        this.vcQueueService = vcQueueService;
     }
 
     @PostConstruct
@@ -322,6 +328,9 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
             TransportProtos.QueueDeleteMsg queue = toCoreNotification.getQueueDeleteMsg();
             partitionService.removeQueue(queue);
             callback.onSuccess();
+        } else if (toCoreNotification.hasVcResponseMsg()) {
+            vcQueueService.processResponse(toCoreNotification.getVcResponseMsg());
+            callback.onSuccess();
         }
         if (statsEnabled) {
             stats.log(toCoreNotification);

application/src/main/java/org/thingsboard/server/service/queue/DefaultTbRuleEngineConsumerService.java

@@ -36,7 +36,7 @@ import org.thingsboard.server.common.msg.queue.TbMsgCallback;
 import org.thingsboard.server.common.msg.queue.TopicPartitionInfo;
 import org.thingsboard.server.common.msg.rpc.FromDeviceRpcResponse;
 import org.thingsboard.server.common.stats.StatsFactory;
-import org.thingsboard.server.common.transport.util.DataDecodingEncodingService;
+import org.thingsboard.server.queue.util.DataDecodingEncodingService;
 import org.thingsboard.server.dao.queue.QueueService;
 import org.thingsboard.server.dao.tenant.TbTenantProfileCache;
 import org.thingsboard.server.gen.transport.TransportProtos;
@@ -75,7 +75,6 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.ReentrantLock;

application/src/main/java/org/thingsboard/server/service/queue/processing/AbstractConsumerService.java

@@ -37,7 +37,7 @@ import org.thingsboard.server.queue.TbQueueConsumer;
 import org.thingsboard.server.queue.common.TbProtoQueueMsg;
 import org.thingsboard.server.queue.discovery.PartitionService;
 import org.thingsboard.server.queue.discovery.event.PartitionChangeEvent;
-import org.thingsboard.server.common.transport.util.DataDecodingEncodingService;
+import org.thingsboard.server.queue.util.DataDecodingEncodingService;
 import org.thingsboard.server.queue.discovery.TbApplicationEventListener;
 import org.thingsboard.server.queue.util.AfterStartUp;
 import org.thingsboard.server.service.apiusage.TbApiUsageStateService;
@@ -160,7 +160,7 @@ public abstract class AbstractConsumerService<N extends com.google.protobuf.Gene
             TbActorMsg actorMsg = actorMsgOpt.get();
             if (actorMsg instanceof ComponentLifecycleMsg) {
                 ComponentLifecycleMsg componentLifecycleMsg = (ComponentLifecycleMsg) actorMsg;
-                log.info("[{}][{}][{}] Received Lifecycle event: {}", componentLifecycleMsg.getTenantId(), componentLifecycleMsg.getEntityId().getEntityType(),
+                log.debug("[{}][{}][{}] Received Lifecycle event: {}", componentLifecycleMsg.getTenantId(), componentLifecycleMsg.getEntityId().getEntityType(),
                         componentLifecycleMsg.getEntityId(), componentLifecycleMsg.getEvent());
                 if (EntityType.TENANT_PROFILE.equals(componentLifecycleMsg.getEntityId().getEntityType())) {
                     TenantProfileId tenantProfileId = new TenantProfileId(componentLifecycleMsg.getEntityId().getId());

application/src/main/java/org/thingsboard/server/service/rule/DefaultTbRuleChainService.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.service.rule;
 
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.rule.engine.flow.TbRuleChainInputNode;
@@ -46,15 +47,9 @@ import org.thingsboard.server.dao.rule.RuleChainService;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.entitiy.AbstractTbEntityService;
 import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.sync.vc.EntitiesVersionControlService;
 
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.TreeSet;
+import java.util.*;
 import java.util.stream.Collectors;
 
 @RequiredArgsConstructor
@@ -66,6 +61,8 @@ public class DefaultTbRuleChainService extends AbstractTbEntityService implement
     private final RuleChainService ruleChainService;
     private final RelationService relationService;
 
+    private final EntitiesVersionControlService vcService;
+
     @Override
     public Set<String> getRuleChainOutputLabels(TenantId tenantId, RuleChainId ruleChainId) {
         RuleChainMetaData metaData = ruleChainService.loadRuleChainMetaData(tenantId, ruleChainId);
@@ -169,6 +166,7 @@ public class DefaultTbRuleChainService extends AbstractTbEntityService implement
         ActionType actionType = ruleChain.getId() == null ? ActionType.ADDED : ActionType.UPDATED;
         try {
             RuleChain savedRuleChain = checkNotNull(ruleChainService.saveRuleChain(ruleChain));
+            vcService.autoCommit(user, savedRuleChain.getId());
 
             if (RuleChainType.CORE.equals(savedRuleChain.getType())) {
                 tbClusterService.broadcastEntityStateChangeEvent(tenantId, savedRuleChain.getId(),
@@ -222,6 +220,7 @@ public class DefaultTbRuleChainService extends AbstractTbEntityService implement
     public RuleChain saveDefaultByName(TenantId tenantId, DefaultRuleChainCreateRequest request, SecurityUser user) throws ThingsboardException {
         try {
             RuleChain savedRuleChain = installScripts.createDefaultRuleChain(tenantId, request.getName());
+            vcService.autoCommit(user, savedRuleChain.getId());
             tbClusterService.broadcastEntityStateChangeEvent(tenantId, savedRuleChain.getId(), ComponentLifecycleEvent.CREATED);
             notificationEntityService.notifyCreateOrUpdateOrDelete(tenantId, null, savedRuleChain.getId(),
                     savedRuleChain, user, ActionType.ADDED, false, null);
@@ -281,6 +280,15 @@ public class DefaultTbRuleChainService extends AbstractTbEntityService implement
                 updatedRuleChains = Collections.emptyList();
             }
 
+            if (updatedRuleChains.isEmpty()) {
+                vcService.autoCommit(user, ruleChainMetaData.getRuleChainId());
+            } else {
+                List<UUID> uuids = new ArrayList<>(updatedRuleChains.size() + 1);
+                uuids.add(ruleChainMetaData.getRuleChainId().getId());
+                updatedRuleChains.forEach(rc -> uuids.add(rc.getId().getId()));
+                vcService.autoCommit(user, EntityType.RULE_CHAIN, uuids);
+            }
+
             RuleChainMetaData savedRuleChainMetaData = checkNotNull(ruleChainService.loadRuleChainMetaData(tenantId, ruleChainMetaDataId));
 
             if (RuleChainType.CORE.equals(ruleChain.getType())) {

application/src/main/java/org/thingsboard/server/service/security/auth/mfa/DefaultTwoFactorAuthService.java

@@ -149,7 +149,7 @@ public class DefaultTwoFactorAuthService implements TwoFactorAuthService {
             ConcurrentMap<TwoFaProviderType, TbRateLimits> providersRateLimits = rateLimits.computeIfAbsent(userId, i -> new ConcurrentHashMap<>());
 
             TbRateLimits rateLimit = providersRateLimits.get(providerType);
-            if (rateLimit == null || !rateLimit.getConfig().equals(rateLimitConfig)) {
+            if (rateLimit == null || !rateLimit.getConfiguration().equals(rateLimitConfig)) {
                 rateLimit = new TbRateLimits(rateLimitConfig, true);
                 providersRateLimits.put(providerType, rateLimit);
             }

application/src/main/java/org/thingsboard/server/service/security/auth/mfa/config/DefaultTwoFaConfigManager.java

@@ -56,12 +56,31 @@ public class DefaultTwoFaConfigManager implements TwoFaConfigManager {
 
     @Override
     public Optional<AccountTwoFaSettings> getAccountTwoFaSettings(TenantId tenantId, UserId userId) {
+        PlatformTwoFaSettings platformTwoFaSettings = getPlatformTwoFaSettings(tenantId, true).orElse(null);
         return Optional.ofNullable(userAuthSettingsDao.findByUserId(userId))
-                .flatMap(userAuthSettings -> Optional.ofNullable(userAuthSettings.getTwoFaSettings()))
-                .map(twoFaSettings -> {
-                    twoFaSettings.getConfigs().keySet().removeIf(providerType -> {
-                        return getTwoFaProviderConfig(tenantId, providerType).isEmpty();
+                .map(userAuthSettings -> {
+                    AccountTwoFaSettings twoFaSettings = userAuthSettings.getTwoFaSettings();
+                    if (twoFaSettings == null) return null;
+                    boolean updateNeeded;
+
+                    Map<TwoFaProviderType, TwoFaAccountConfig> configs = twoFaSettings.getConfigs();
+                    updateNeeded = configs.keySet().removeIf(providerType -> {
+                        return platformTwoFaSettings == null || platformTwoFaSettings.getProviderConfig(providerType).isEmpty();
                     });
+                    if (configs.size() == 1 && configs.containsKey(TwoFaProviderType.BACKUP_CODE)) {
+                        configs.remove(TwoFaProviderType.BACKUP_CODE);
+                        updateNeeded = true;
+                    }
+                    if (!configs.isEmpty() && configs.values().stream().noneMatch(TwoFaAccountConfig::isUseByDefault)) {
+                        configs.values().stream()
+                                .filter(config -> config.getProviderType() != TwoFaProviderType.BACKUP_CODE)
+                                .findFirst().ifPresent(config -> config.setUseByDefault(true));
+                        updateNeeded = true;
+                    }
+
+                    if (updateNeeded) {
+                        twoFaSettings = saveAccountTwoFaSettings(tenantId, userId, twoFaSettings);
+                    }
                     return twoFaSettings;
                 });
     }

application/src/main/java/org/thingsboard/server/service/security/auth/mfa/provider/impl/SmsTwoFaProvider.java

@@ -63,7 +63,7 @@ public class SmsTwoFaProvider extends OtpBasedTwoFaProvider<SmsTwoFaProviderConf
     @Override
     public void check(TenantId tenantId) throws ThingsboardException {
         if (!smsService.isConfigured(tenantId)) {
-            throw new ThingsboardException("SMS service in not configured", ThingsboardErrorCode.BAD_REQUEST_PARAMS);
+            throw new ThingsboardException("SMS service is not configured", ThingsboardErrorCode.BAD_REQUEST_PARAMS);
         }
     }
 

application/src/main/java/org/thingsboard/server/service/security/permission/Resource.java

@@ -41,7 +41,8 @@ public enum Resource {
     OTA_PACKAGE(EntityType.OTA_PACKAGE),
     EDGE(EntityType.EDGE),
     RPC(EntityType.RPC),
-    QUEUE(EntityType.QUEUE);
+    QUEUE(EntityType.QUEUE),
+    VERSION_CONTROL;
 
     private final EntityType entityType;
 

application/src/main/java/org/thingsboard/server/service/security/permission/TenantAdminPermissions.java

@@ -28,6 +28,7 @@ public class TenantAdminPermissions extends AbstractPermissions {
 
     public TenantAdminPermissions() {
         super();
+        put(Resource.ADMIN_SETTINGS, PermissionChecker.allowAllPermissionChecker);
         put(Resource.ALARM, tenantEntityPermissionChecker);
         put(Resource.ASSET, tenantEntityPermissionChecker);
         put(Resource.DEVICE, tenantEntityPermissionChecker);
@@ -46,6 +47,7 @@ public class TenantAdminPermissions extends AbstractPermissions {
         put(Resource.EDGE, tenantEntityPermissionChecker);
         put(Resource.RPC, tenantEntityPermissionChecker);
         put(Resource.QUEUE, queuePermissionChecker);
+        put(Resource.VERSION_CONTROL, PermissionChecker.allowAllPermissionChecker);
     }
 
     public static final PermissionChecker tenantEntityPermissionChecker = new PermissionChecker() {

application/src/main/java/org/thingsboard/server/service/security/system/DefaultSystemSecurityService.java

@@ -119,6 +119,7 @@ public class DefaultSystemSecurityService implements SystemSecurityService {
         AdminSettings adminSettings = adminSettingsService.findAdminSettingsByKey(tenantId, "securitySettings");
         if (adminSettings == null) {
             adminSettings = new AdminSettings();
+            adminSettings.setTenantId(tenantId);
             adminSettings.setKey("securitySettings");
         }
         adminSettings.setJsonValue(JacksonUtil.valueToTree(securitySettings));

application/src/main/java/org/thingsboard/server/service/session/SessionRedisCache.java

@@ -33,7 +33,7 @@ import org.thingsboard.server.gen.transport.TransportProtos;
 public class SessionRedisCache extends RedisTbTransactionalCache<DeviceId, TransportProtos.DeviceSessionsCacheEntry> {
 
     public SessionRedisCache(TBRedisCacheConfiguration configuration, CacheSpecsMap cacheSpecsMap, RedisConnectionFactory connectionFactory) {
-        super(CacheConstants.ASSET_CACHE, cacheSpecsMap, connectionFactory, configuration, new RedisSerializer<>() {
+        super(CacheConstants.SESSIONS_CACHE, cacheSpecsMap, connectionFactory, configuration, new RedisSerializer<>() {
             @Override
             public byte[] serialize(TransportProtos.DeviceSessionsCacheEntry deviceSessionsCacheEntry) throws SerializationException {
                 return deviceSessionsCacheEntry.toByteArray();

application/src/main/java/org/thingsboard/server/service/sync/ie/DefaultEntitiesExportImportService.java

@@ -0,0 +1,166 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.ExportableEntity;
+import org.thingsboard.server.common.data.audit.ActionType;
+import org.thingsboard.server.common.data.exception.ThingsboardErrorCode;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.sync.ThrowingRunnable;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.common.data.sync.ie.EntityImportResult;
+import org.thingsboard.server.dao.exception.DataValidationException;
+import org.thingsboard.server.dao.relation.RelationService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.action.EntityActionService;
+import org.thingsboard.server.service.apiusage.RateLimitService;
+import org.thingsboard.server.service.sync.ie.exporting.EntityExportService;
+import org.thingsboard.server.service.sync.ie.exporting.impl.BaseEntityExportService;
+import org.thingsboard.server.service.sync.ie.exporting.impl.DefaultEntityExportService;
+import org.thingsboard.server.service.sync.ie.importing.EntityImportService;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+@Slf4j
+public class DefaultEntitiesExportImportService implements EntitiesExportImportService {
+
+    private final Map<EntityType, EntityExportService<?, ?, ?>> exportServices = new HashMap<>();
+    private final Map<EntityType, EntityImportService<?, ?, ?>> importServices = new HashMap<>();
+
+    private final EntityActionService entityActionService;
+    private final RelationService relationService;
+    private final RateLimitService rateLimitService;
+
+    protected static final List<EntityType> SUPPORTED_ENTITY_TYPES = List.of(
+            EntityType.CUSTOMER, EntityType.ASSET, EntityType.RULE_CHAIN,
+            EntityType.DASHBOARD, EntityType.DEVICE_PROFILE, EntityType.DEVICE,
+            EntityType.ENTITY_VIEW, EntityType.WIDGETS_BUNDLE
+    );
+
+
+    @Override
+    public <E extends ExportableEntity<I>, I extends EntityId> EntityExportData<E> exportEntity(EntitiesExportCtx<?> ctx, I entityId) throws ThingsboardException {
+        if (!rateLimitService.checkEntityExportLimit(ctx.getTenantId())) {
+            throw new ThingsboardException("Rate limit for entities export is exceeded", ThingsboardErrorCode.TOO_MANY_REQUESTS);
+        }
+
+        EntityType entityType = entityId.getEntityType();
+        EntityExportService<I, E, EntityExportData<E>> exportService = getExportService(entityType);
+
+        return exportService.getExportData(ctx, entityId);
+    }
+
+    @Override
+    public <E extends ExportableEntity<I>, I extends EntityId> EntityImportResult<E> importEntity(EntitiesImportCtx ctx, EntityExportData<E> exportData) throws ThingsboardException {
+        if (!rateLimitService.checkEntityImportLimit(ctx.getTenantId())) {
+            throw new ThingsboardException("Rate limit for entities import is exceeded", ThingsboardErrorCode.TOO_MANY_REQUESTS);
+        }
+        if (exportData.getEntity() == null || exportData.getEntity().getId() == null) {
+            throw new DataValidationException("Invalid entity data");
+        }
+
+        EntityType entityType = exportData.getEntityType();
+        EntityImportService<I, E, EntityExportData<E>> importService = getImportService(entityType);
+
+        EntityImportResult<E> importResult = importService.importEntity(ctx, exportData);
+        ctx.putInternalId(exportData.getExternalId(), importResult.getSavedEntity().getId());
+
+        ctx.addReferenceCallback(importResult.getSaveReferencesCallback());
+        ctx.addEventCallback(importResult.getSendEventsCallback());
+        return importResult;
+    }
+
+    @Override
+    public void saveReferencesAndRelations(EntitiesImportCtx ctx) throws ThingsboardException {
+        for (ThrowingRunnable saveReferencesCallback : ctx.getReferenceCallbacks()) {
+            saveReferencesCallback.run();
+        }
+
+        relationService.saveRelations(ctx.getTenantId(), new ArrayList<>(ctx.getRelations()));
+
+        for (EntityRelation relation : ctx.getRelations()) {
+            entityActionService.logEntityAction(ctx.getUser(), relation.getFrom(), null, null,
+                    ActionType.RELATION_ADD_OR_UPDATE, null, relation);
+            entityActionService.logEntityAction(ctx.getUser(), relation.getTo(), null, null,
+                    ActionType.RELATION_ADD_OR_UPDATE, null, relation);
+        }
+    }
+
+
+    @Override
+    public Comparator<EntityType> getEntityTypeComparatorForImport() {
+        return Comparator.comparing(SUPPORTED_ENTITY_TYPES::indexOf);
+    }
+
+
+    @SuppressWarnings("unchecked")
+    private <I extends EntityId, E extends ExportableEntity<I>, D extends EntityExportData<E>> EntityExportService<I, E, D> getExportService(EntityType entityType) {
+        EntityExportService<?, ?, ?> exportService = exportServices.get(entityType);
+        if (exportService == null) {
+            throw new IllegalArgumentException("Export for entity type " + entityType + " is not supported");
+        }
+        return (EntityExportService<I, E, D>) exportService;
+    }
+
+    @SuppressWarnings("unchecked")
+    private <I extends EntityId, E extends ExportableEntity<I>, D extends EntityExportData<E>> EntityImportService<I, E, D> getImportService(EntityType entityType) {
+        EntityImportService<?, ?, ?> importService = importServices.get(entityType);
+        if (importService == null) {
+            throw new IllegalArgumentException("Import for entity type " + entityType + " is not supported");
+        }
+        return (EntityImportService<I, E, D>) importService;
+    }
+
+    @Autowired
+    private void setExportServices(DefaultEntityExportService<?, ?, ?> defaultExportService,
+                                   Collection<BaseEntityExportService<?, ?, ?>> exportServices) {
+        exportServices.stream()
+                .sorted(Comparator.comparing(exportService -> exportService.getSupportedEntityTypes().size(), Comparator.reverseOrder()))
+                .forEach(exportService -> {
+                    exportService.getSupportedEntityTypes().forEach(entityType -> {
+                        this.exportServices.put(entityType, exportService);
+                    });
+                });
+        SUPPORTED_ENTITY_TYPES.forEach(entityType -> {
+            this.exportServices.putIfAbsent(entityType, defaultExportService);
+        });
+    }
+
+    @Autowired
+    private void setImportServices(Collection<EntityImportService<?, ?, ?>> importServices) {
+        importServices.forEach(entityImportService -> {
+            this.importServices.put(entityImportService.getEntityType(), entityImportService);
+        });
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/EntitiesExportImportService.java

@@ -0,0 +1,40 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie;
+
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.ExportableEntity;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.common.data.sync.ie.EntityImportResult;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+import java.util.Comparator;
+
+public interface EntitiesExportImportService {
+
+    <E extends ExportableEntity<I>, I extends EntityId> EntityExportData<E> exportEntity(EntitiesExportCtx<?> ctx, I entityId) throws ThingsboardException;
+
+    <E extends ExportableEntity<I>, I extends EntityId> EntityImportResult<E> importEntity(EntitiesImportCtx ctx, EntityExportData<E> exportData) throws ThingsboardException;
+
+
+    void saveReferencesAndRelations(EntitiesImportCtx ctx) throws ThingsboardException;
+
+    Comparator<EntityType> getEntityTypeComparatorForImport();
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/DefaultExportableEntitiesService.java

@@ -0,0 +1,210 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.ExportableEntity;
+import org.thingsboard.server.common.data.HasTenantId;
+import org.thingsboard.server.common.data.id.AssetId;
+import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.DashboardId;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.DeviceProfileId;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.HasId;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.id.WidgetsBundleId;
+import org.thingsboard.server.common.data.page.PageData;
+import org.thingsboard.server.common.data.page.PageLink;
+import org.thingsboard.server.dao.Dao;
+import org.thingsboard.server.dao.ExportableEntityDao;
+import org.thingsboard.server.dao.asset.AssetService;
+import org.thingsboard.server.dao.customer.CustomerService;
+import org.thingsboard.server.dao.dashboard.DashboardService;
+import org.thingsboard.server.dao.device.DeviceProfileService;
+import org.thingsboard.server.dao.device.DeviceService;
+import org.thingsboard.server.dao.rule.RuleChainService;
+import org.thingsboard.server.dao.widget.WidgetsBundleService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.security.permission.AccessControlService;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.BiConsumer;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+@Slf4j
+public class DefaultExportableEntitiesService implements ExportableEntitiesService {
+
+    private final Map<EntityType, Dao<?>> daos = new HashMap<>();
+    private final Map<EntityType, BiConsumer<TenantId, EntityId>> removers = new HashMap<>();
+
+    private final AccessControlService accessControlService;
+
+
+    @Override
+    public <E extends ExportableEntity<I>, I extends EntityId> E findEntityByTenantIdAndExternalId(TenantId tenantId, I externalId) {
+        EntityType entityType = externalId.getEntityType();
+        Dao<E> dao = getDao(entityType);
+
+        E entity = null;
+
+        if (dao instanceof ExportableEntityDao) {
+            ExportableEntityDao<I, E> exportableEntityDao = (ExportableEntityDao<I, E>) dao;
+            entity = exportableEntityDao.findByTenantIdAndExternalId(tenantId.getId(), externalId.getId());
+        }
+        if (entity == null || !belongsToTenant(entity, tenantId)) {
+            return null;
+        }
+
+        return entity;
+    }
+
+    @Override
+    public <E extends HasId<I>, I extends EntityId> E findEntityByTenantIdAndId(TenantId tenantId, I id) {
+        E entity = findEntityById(id);
+
+        if (entity == null || !belongsToTenant(entity, tenantId)) {
+            return null;
+        }
+        return entity;
+    }
+
+    @Override
+    public <E extends HasId<I>, I extends EntityId> E findEntityById(I id) {
+        EntityType entityType = id.getEntityType();
+        Dao<E> dao = getDao(entityType);
+        if (dao == null) {
+            throw new IllegalArgumentException("Unsupported entity type " + entityType);
+        }
+
+        return dao.findById(TenantId.SYS_TENANT_ID, id.getId());
+    }
+
+    @Override
+    public <E extends ExportableEntity<I>, I extends EntityId> E findEntityByTenantIdAndName(TenantId tenantId, EntityType entityType, String name) {
+        Dao<E> dao = getDao(entityType);
+
+        E entity = null;
+
+        if (dao instanceof ExportableEntityDao) {
+            ExportableEntityDao<I, E> exportableEntityDao = (ExportableEntityDao<I, E>) dao;
+            try {
+                entity = exportableEntityDao.findByTenantIdAndName(tenantId.getId(), name);
+            } catch (UnsupportedOperationException ignored) {
+            }
+        }
+        if (entity == null || !belongsToTenant(entity, tenantId)) {
+            return null;
+        }
+
+        return entity;
+    }
+
+    @Override
+    public <E extends ExportableEntity<I>, I extends EntityId> PageData<E> findEntitiesByTenantId(TenantId tenantId, EntityType entityType, PageLink pageLink) {
+        ExportableEntityDao<I, E> dao = getExportableEntityDao(entityType);
+        if (dao != null) {
+            return dao.findByTenantId(tenantId.getId(), pageLink);
+        } else {
+            return new PageData<>();
+        }
+    }
+
+    @Override
+    public <I extends EntityId> I getExternalIdByInternal(I internalId) {
+        ExportableEntityDao<I, ?> dao = getExportableEntityDao(internalId.getEntityType());
+        if (dao != null) {
+            return dao.getExternalIdByInternal(internalId);
+        } else {
+            return null;
+        }
+    }
+
+    private boolean belongsToTenant(HasId<? extends EntityId> entity, TenantId tenantId) {
+        return tenantId.equals(((HasTenantId) entity).getTenantId());
+    }
+
+
+    @Override
+    public <I extends EntityId> void removeById(TenantId tenantId, I id) {
+        EntityType entityType = id.getEntityType();
+        BiConsumer<TenantId, EntityId> entityRemover = removers.get(entityType);
+        if (entityRemover == null) {
+            throw new IllegalArgumentException("Unsupported entity type " + entityType);
+        }
+        entityRemover.accept(tenantId, id);
+    }
+
+    private <I extends EntityId, E extends ExportableEntity<I>> ExportableEntityDao<I, E> getExportableEntityDao(EntityType entityType) {
+        Dao<E> dao = getDao(entityType);
+        if (dao instanceof ExportableEntityDao) {
+            return (ExportableEntityDao<I, E>) dao;
+        } else {
+            return null;
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    private <E> Dao<E> getDao(EntityType entityType) {
+        return (Dao<E>) daos.get(entityType);
+    }
+
+    @Autowired
+    private void setDaos(Collection<Dao<?>> daos) {
+        daos.forEach(dao -> {
+            if (dao.getEntityType() != null) {
+                this.daos.put(dao.getEntityType(), dao);
+            }
+        });
+    }
+
+    @Autowired
+    private void setRemovers(CustomerService customerService, AssetService assetService, RuleChainService ruleChainService,
+                             DashboardService dashboardService, DeviceProfileService deviceProfileService,
+                             DeviceService deviceService, WidgetsBundleService widgetsBundleService) {
+        removers.put(EntityType.CUSTOMER, (tenantId, entityId) -> {
+            customerService.deleteCustomer(tenantId, (CustomerId) entityId);
+        });
+        removers.put(EntityType.ASSET, (tenantId, entityId) -> {
+            assetService.deleteAsset(tenantId, (AssetId) entityId);
+        });
+        removers.put(EntityType.RULE_CHAIN, (tenantId, entityId) -> {
+            ruleChainService.deleteRuleChainById(tenantId, (RuleChainId) entityId);
+        });
+        removers.put(EntityType.DASHBOARD, (tenantId, entityId) -> {
+            dashboardService.deleteDashboard(tenantId, (DashboardId) entityId);
+        });
+        removers.put(EntityType.DEVICE_PROFILE, (tenantId, entityId) -> {
+            deviceProfileService.deleteDeviceProfile(tenantId, (DeviceProfileId) entityId);
+        });
+        removers.put(EntityType.DEVICE, (tenantId, entityId) -> {
+            deviceService.deleteDevice(tenantId, (DeviceId) entityId);
+        });
+        removers.put(EntityType.WIDGETS_BUNDLE, (tenantId, entityId) -> {
+            widgetsBundleService.deleteWidgetsBundle(tenantId, (WidgetsBundleId) entityId);
+        });
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/EntityExportService.java

@@ -0,0 +1,28 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting;
+
+import org.thingsboard.server.common.data.ExportableEntity;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+
+public interface EntityExportService<I extends EntityId, E extends ExportableEntity<I>, D extends EntityExportData<E>> {
+
+    D getExportData(EntitiesExportCtx<?> ctx, I entityId) throws ThingsboardException;
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/ExportableEntitiesService.java

@@ -0,0 +1,42 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting;
+
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.ExportableEntity;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.HasId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.page.PageData;
+import org.thingsboard.server.common.data.page.PageLink;
+
+public interface ExportableEntitiesService {
+
+    <E extends ExportableEntity<I>, I extends EntityId> E findEntityByTenantIdAndExternalId(TenantId tenantId, I externalId);
+
+    <E extends HasId<I>, I extends EntityId> E findEntityByTenantIdAndId(TenantId tenantId, I id);
+
+    <E extends HasId<I>, I extends EntityId> E findEntityById(I id);
+
+    <E extends ExportableEntity<I>, I extends EntityId> E findEntityByTenantIdAndName(TenantId tenantId, EntityType entityType, String name);
+
+    <E extends ExportableEntity<I>, I extends EntityId> PageData<E> findEntitiesByTenantId(TenantId tenantId, EntityType entityType, PageLink pageLink);
+
+    <I extends EntityId> I getExternalIdByInternal(I internalId);
+
+    <I extends EntityId> void removeById(TenantId tenantId, I id);
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/AssetExportService.java

@@ -0,0 +1,42 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting.impl;
+
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.id.AssetId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+
+import java.util.Set;
+
+@Service
+@TbCoreComponent
+public class AssetExportService extends BaseEntityExportService<AssetId, Asset, EntityExportData<Asset>> {
+
+    @Override
+    protected void setRelatedEntities(EntitiesExportCtx<?> ctx, Asset asset, EntityExportData<Asset> exportData) {
+        asset.setCustomerId(getExternalIdOrElseInternal(ctx, asset.getCustomerId()));
+    }
+
+    @Override
+    public Set<EntityType> getSupportedEntityTypes() {
+        return Set.of(EntityType.ASSET);
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/BaseEntityExportService.java

@@ -0,0 +1,52 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.ExportableEntity;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+
+import java.util.Set;
+
+public abstract class BaseEntityExportService<I extends EntityId, E extends ExportableEntity<I>, D extends EntityExportData<E>> extends DefaultEntityExportService<I, E, D> {
+
+    @Override
+    protected void setAdditionalExportData(EntitiesExportCtx<?> ctx, E entity, D exportData) throws ThingsboardException {
+        setRelatedEntities(ctx, entity, (D) exportData);
+        super.setAdditionalExportData(ctx, entity, exportData);
+    }
+
+    protected void setRelatedEntities(EntitiesExportCtx<?> ctx, E mainEntity, D exportData) {
+    }
+
+    protected D newExportData() {
+        return (D) new EntityExportData<E>();
+    }
+
+    ;
+
+    public abstract Set<EntityType> getSupportedEntityTypes();
+
+    protected void replaceUuidsRecursively(EntitiesExportCtx<?> ctx, JsonNode node, Set<String> skipFieldsSet) {
+        JacksonUtil.replaceUuidsRecursively(node, skipFieldsSet, uuid -> getExternalIdOrElseInternalByUuid(ctx, uuid));
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/DashboardExportService.java

@@ -0,0 +1,61 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.Lists;
+import org.apache.commons.collections.CollectionUtils;
+import org.springframework.stereotype.Service;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.server.common.data.Dashboard;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.id.DashboardId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+import org.thingsboard.common.util.RegexUtils;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Set;
+import java.util.UUID;
+
+@Service
+@TbCoreComponent
+public class DashboardExportService extends BaseEntityExportService<DashboardId, Dashboard, EntityExportData<Dashboard>> {
+
+    @Override
+    protected void setRelatedEntities(EntitiesExportCtx<?> ctx, Dashboard dashboard, EntityExportData<Dashboard> exportData) {
+        if (CollectionUtils.isNotEmpty(dashboard.getAssignedCustomers())) {
+            dashboard.getAssignedCustomers().forEach(customerInfo -> {
+                customerInfo.setCustomerId(getExternalIdOrElseInternal(ctx, customerInfo.getCustomerId()));
+            });
+        }
+        for (JsonNode entityAlias : dashboard.getEntityAliasesConfig()) {
+            replaceUuidsRecursively(ctx, entityAlias, Collections.emptySet());
+        }
+        for (JsonNode widgetConfig : dashboard.getWidgetsConfig()) {
+            replaceUuidsRecursively(ctx, JacksonUtil.getSafely(widgetConfig, "config", "actions"), Collections.singleton("id"));
+        }
+    }
+
+    @Override
+    public Set<EntityType> getSupportedEntityTypes() {
+        return Set.of(EntityType.DASHBOARD);
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/DefaultEntityExportService.java

@@ -0,0 +1,184 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting.impl;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.context.annotation.Primary;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.DataConstants;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.ExportableEntity;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.EntityIdFactory;
+import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
+import org.thingsboard.server.common.data.sync.ie.AttributeExportData;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.dao.attributes.AttributesService;
+import org.thingsboard.server.dao.relation.RelationService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.ie.exporting.EntityExportService;
+import org.thingsboard.server.service.sync.ie.exporting.ExportableEntitiesService;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.UUID;
+import java.util.concurrent.ExecutionException;
+import java.util.stream.Collectors;
+
+@Service
+@TbCoreComponent
+@Primary
+public class DefaultEntityExportService<I extends EntityId, E extends ExportableEntity<I>, D extends EntityExportData<E>> implements EntityExportService<I, E, D> {
+
+    @Autowired
+    @Lazy
+    protected ExportableEntitiesService exportableEntitiesService;
+    @Autowired
+    private RelationService relationService;
+    @Autowired
+    private AttributesService attributesService;
+
+    @Override
+    public final D getExportData(EntitiesExportCtx<?> ctx, I entityId) throws ThingsboardException {
+        D exportData = newExportData();
+
+        E entity = exportableEntitiesService.findEntityByTenantIdAndId(ctx.getTenantId(), entityId);
+        if (entity == null) {
+            throw new IllegalArgumentException(entityId.getEntityType() + " [" + entityId.getId() + "] not found");
+        }
+
+        exportData.setEntity(entity);
+        exportData.setEntityType(entityId.getEntityType());
+        setAdditionalExportData(ctx, entity, exportData);
+
+        var externalId = entity.getExternalId() != null ? entity.getExternalId() : entity.getId();
+        ctx.putExternalId(entityId, externalId);
+        entity.setId(externalId);
+        entity.setTenantId(null);
+
+        return exportData;
+    }
+
+    protected void setAdditionalExportData(EntitiesExportCtx<?> ctx, E entity, D exportData) throws ThingsboardException {
+        var exportSettings = ctx.getSettings();
+        if (exportSettings.isExportRelations()) {
+            List<EntityRelation> relations = exportRelations(ctx, entity);
+            relations.forEach(relation -> {
+                relation.setFrom(getExternalIdOrElseInternal(ctx, relation.getFrom()));
+                relation.setTo(getExternalIdOrElseInternal(ctx, relation.getTo()));
+            });
+            exportData.setRelations(relations);
+        }
+        if (exportSettings.isExportAttributes()) {
+            Map<String, List<AttributeExportData>> attributes = exportAttributes(ctx, entity);
+            exportData.setAttributes(attributes);
+        }
+    }
+
+    private List<EntityRelation> exportRelations(EntitiesExportCtx<?> ctx, E entity) throws ThingsboardException {
+        List<EntityRelation> relations = new ArrayList<>();
+
+        List<EntityRelation> inboundRelations = relationService.findByTo(ctx.getTenantId(), entity.getId(), RelationTypeGroup.COMMON);
+        relations.addAll(inboundRelations);
+
+        List<EntityRelation> outboundRelations = relationService.findByFrom(ctx.getTenantId(), entity.getId(), RelationTypeGroup.COMMON);
+        relations.addAll(outboundRelations);
+        return relations;
+    }
+
+    private Map<String, List<AttributeExportData>> exportAttributes(EntitiesExportCtx<?> ctx, E entity) throws ThingsboardException {
+        List<String> scopes;
+        if (entity.getId().getEntityType() == EntityType.DEVICE) {
+            scopes = List.of(DataConstants.SERVER_SCOPE, DataConstants.SHARED_SCOPE);
+        } else {
+            scopes = Collections.singletonList(DataConstants.SERVER_SCOPE);
+        }
+        Map<String, List<AttributeExportData>> attributes = new LinkedHashMap<>();
+        scopes.forEach(scope -> {
+            try {
+                attributes.put(scope, attributesService.findAll(ctx.getTenantId(), entity.getId(), scope).get().stream()
+                        .map(attribute -> {
+                            AttributeExportData attributeExportData = new AttributeExportData();
+                            attributeExportData.setKey(attribute.getKey());
+                            attributeExportData.setLastUpdateTs(attribute.getLastUpdateTs());
+                            attributeExportData.setStrValue(attribute.getStrValue().orElse(null));
+                            attributeExportData.setDoubleValue(attribute.getDoubleValue().orElse(null));
+                            attributeExportData.setLongValue(attribute.getLongValue().orElse(null));
+                            attributeExportData.setBooleanValue(attribute.getBooleanValue().orElse(null));
+                            attributeExportData.setJsonValue(attribute.getJsonValue().orElse(null));
+                            return attributeExportData;
+                        })
+                        .collect(Collectors.toList()));
+            } catch (InterruptedException | ExecutionException e) {
+                throw new RuntimeException(e);
+            }
+        });
+        return attributes;
+    }
+
+    protected <ID extends EntityId> ID getExternalIdOrElseInternal(EntitiesExportCtx<?> ctx, ID internalId) {
+        if (internalId == null || internalId.isNullUid()) return internalId;
+        var result = ctx.getExternalId(internalId);
+        if (result == null) {
+            result = Optional.ofNullable(exportableEntitiesService.getExternalIdByInternal(internalId))
+                    .orElse(internalId);
+            ctx.putExternalId(internalId, result);
+        }
+        return result;
+    }
+
+    protected UUID getExternalIdOrElseInternalByUuid(EntitiesExportCtx<?> ctx, UUID internalUuid) {
+        for (EntityType entityType : EntityType.values()) {
+            EntityId internalId;
+            try {
+                internalId = EntityIdFactory.getByTypeAndUuid(entityType, internalUuid);
+            } catch (Exception e) {
+                continue;
+            }
+            EntityId externalId = ctx.getExternalId(internalId);
+            if (externalId != null) {
+                return externalId.getId();
+            }
+        }
+        for (EntityType entityType : EntityType.values()) {
+            EntityId internalId;
+            try {
+                internalId = EntityIdFactory.getByTypeAndUuid(entityType, internalUuid);
+            } catch (Exception e) {
+                continue;
+            }
+            EntityId externalId = exportableEntitiesService.getExternalIdByInternal(internalId);
+            if (externalId != null) {
+                ctx.putExternalId(internalId, externalId);
+                return externalId.getId();
+            }
+        }
+        return internalUuid;
+    }
+
+    protected D newExportData() {
+        return (D) new EntityExportData<E>();
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/DeviceExportService.java

@@ -0,0 +1,59 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.sync.ie.DeviceExportData;
+import org.thingsboard.server.dao.device.DeviceCredentialsService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+
+import java.util.Set;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class DeviceExportService extends BaseEntityExportService<DeviceId, Device, DeviceExportData> {
+
+    private final DeviceCredentialsService deviceCredentialsService;
+
+    @Override
+    protected void setRelatedEntities(EntitiesExportCtx<?> ctx, Device device, DeviceExportData exportData) {
+        device.setCustomerId(getExternalIdOrElseInternal(ctx, device.getCustomerId()));
+        device.setDeviceProfileId(getExternalIdOrElseInternal(ctx, device.getDeviceProfileId()));
+        if (ctx.getSettings().isExportCredentials()) {
+            var credentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(ctx.getTenantId(), device.getId());
+            credentials.setId(null);
+            credentials.setDeviceId(null);
+            exportData.setCredentials(credentials);
+        }
+    }
+
+    @Override
+    protected DeviceExportData newExportData() {
+        return new DeviceExportData();
+    }
+
+    @Override
+    public Set<EntityType> getSupportedEntityTypes() {
+        return Set.of(EntityType.DEVICE);
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/DeviceProfileExportService.java

@@ -0,0 +1,43 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting.impl;
+
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.DeviceProfile;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.id.DeviceProfileId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+
+import java.util.Set;
+
+@Service
+@TbCoreComponent
+public class DeviceProfileExportService extends BaseEntityExportService<DeviceProfileId, DeviceProfile, EntityExportData<DeviceProfile>> {
+
+    @Override
+    protected void setRelatedEntities(EntitiesExportCtx<?> ctx, DeviceProfile deviceProfile, EntityExportData<DeviceProfile> exportData) {
+        deviceProfile.setDefaultDashboardId(getExternalIdOrElseInternal(ctx, deviceProfile.getDefaultDashboardId()));
+        deviceProfile.setDefaultRuleChainId(getExternalIdOrElseInternal(ctx, deviceProfile.getDefaultRuleChainId()));
+    }
+
+    @Override
+    public Set<EntityType> getSupportedEntityTypes() {
+        return Set.of(EntityType.DEVICE_PROFILE);
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/EntityViewExportService.java

@@ -0,0 +1,43 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting.impl;
+
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.EntityView;
+import org.thingsboard.server.common.data.id.EntityViewId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+
+import java.util.Set;
+
+@Service
+@TbCoreComponent
+public class EntityViewExportService extends BaseEntityExportService<EntityViewId, EntityView, EntityExportData<EntityView>> {
+
+    @Override
+    protected void setRelatedEntities(EntitiesExportCtx<?> ctx, EntityView entityView, EntityExportData<EntityView> exportData) {
+        entityView.setEntityId(getExternalIdOrElseInternal(ctx, entityView.getEntityId()));
+        entityView.setCustomerId(getExternalIdOrElseInternal(ctx, entityView.getCustomerId()));
+    }
+
+    @Override
+    public Set<EntityType> getSupportedEntityTypes() {
+        return Set.of(EntityType.ENTITY_VIEW);
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/RuleChainExportService.java

@@ -0,0 +1,76 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.rule.RuleChain;
+import org.thingsboard.server.common.data.rule.RuleChainMetaData;
+import org.thingsboard.server.common.data.sync.ie.RuleChainExportData;
+import org.thingsboard.server.dao.rule.RuleChainService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+import org.thingsboard.common.util.RegexUtils;
+
+import java.util.Collections;
+import java.util.Optional;
+import java.util.Set;
+import java.util.UUID;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class RuleChainExportService extends BaseEntityExportService<RuleChainId, RuleChain, RuleChainExportData> {
+
+    private final RuleChainService ruleChainService;
+
+    @Override
+    protected void setRelatedEntities(EntitiesExportCtx<?> ctx, RuleChain ruleChain, RuleChainExportData exportData) {
+        RuleChainMetaData metaData = ruleChainService.loadRuleChainMetaData(ctx.getTenantId(), ruleChain.getId());
+        Optional.ofNullable(metaData.getNodes()).orElse(Collections.emptyList())
+                .forEach(ruleNode -> {
+                    ruleNode.setRuleChainId(null);
+                    ctx.putExternalId(ruleNode.getId(), ruleNode.getExternalId());
+                    ruleNode.setId(ctx.getExternalId(ruleNode.getId()));
+                    ruleNode.setCreatedTime(0);
+                    ruleNode.setExternalId(null);
+                    replaceUuidsRecursively(ctx, ruleNode.getConfiguration(), Collections.emptySet());
+                });
+        Optional.ofNullable(metaData.getRuleChainConnections()).orElse(Collections.emptyList())
+                .forEach(ruleChainConnectionInfo -> {
+                    ruleChainConnectionInfo.setTargetRuleChainId(getExternalIdOrElseInternal(ctx, ruleChainConnectionInfo.getTargetRuleChainId()));
+                });
+        exportData.setMetaData(metaData);
+        if (ruleChain.getFirstRuleNodeId() != null) {
+            ruleChain.setFirstRuleNodeId(ctx.getExternalId(ruleChain.getFirstRuleNodeId()));
+        }
+    }
+
+    @Override
+    protected RuleChainExportData newExportData() {
+        return new RuleChainExportData();
+    }
+
+    @Override
+    public Set<EntityType> getSupportedEntityTypes() {
+        return Set.of(EntityType.RULE_CHAIN);
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/WidgetsBundleExportService.java

@@ -0,0 +1,59 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.exporting.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.id.WidgetsBundleId;
+import org.thingsboard.server.common.data.sync.ie.WidgetsBundleExportData;
+import org.thingsboard.server.common.data.widget.WidgetTypeDetails;
+import org.thingsboard.server.common.data.widget.WidgetsBundle;
+import org.thingsboard.server.dao.widget.WidgetTypeService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+
+import java.util.List;
+import java.util.Set;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class WidgetsBundleExportService extends BaseEntityExportService<WidgetsBundleId, WidgetsBundle, WidgetsBundleExportData> {
+
+    private final WidgetTypeService widgetTypeService;
+
+    @Override
+    protected void setRelatedEntities(EntitiesExportCtx<?> ctx, WidgetsBundle widgetsBundle, WidgetsBundleExportData exportData) {
+        if (widgetsBundle.getTenantId() == null || widgetsBundle.getTenantId().isNullUid()) {
+            throw new IllegalArgumentException("Export of system Widget Bundles is not allowed");
+        }
+
+        List<WidgetTypeDetails> widgets = widgetTypeService.findWidgetTypesDetailsByTenantIdAndBundleAlias(ctx.getTenantId(), widgetsBundle.getAlias());
+        exportData.setWidgets(widgets);
+    }
+
+    @Override
+    protected WidgetsBundleExportData newExportData() {
+        return new WidgetsBundleExportData();
+    }
+
+    @Override
+    public Set<EntityType> getSupportedEntityTypes() {
+        return Set.of(EntityType.WIDGETS_BUNDLE);
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/EntityImportService.java

@@ -0,0 +1,32 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing;
+
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.ExportableEntity;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.common.data.sync.ie.EntityImportResult;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+public interface EntityImportService<I extends EntityId, E extends ExportableEntity<I>, D extends EntityExportData<E>> {
+
+    EntityImportResult<E> importEntity(EntitiesImportCtx ctx, D exportData) throws ThingsboardException;
+
+    EntityType getEntityType();
+
+}

application/src/main/java/org/thingsboard/server/service/importing/AbstractBulkImportService.java → application/src/main/java/org/thingsboard/server/service/sync/ie/importing/csv/AbstractBulkImportService.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.service.importing;
+package org.thingsboard.server.service.sync.ie.importing.csv;
 
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.gson.JsonObject;
@@ -44,7 +44,6 @@ import org.thingsboard.server.common.transport.adaptor.JsonConverter;
 import org.thingsboard.server.controller.BaseController;
 import org.thingsboard.server.dao.tenant.TbTenantProfileCache;
 import org.thingsboard.server.service.action.EntityActionService;
-import org.thingsboard.server.service.importing.BulkImportRequest.ColumnMapping;
 import org.thingsboard.server.service.security.AccessValidator;
 import org.thingsboard.server.service.security.model.SecurityUser;
 import org.thingsboard.server.service.security.permission.AccessControlService;
@@ -67,7 +66,6 @@ import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.function.Consumer;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -165,7 +163,7 @@ public abstract class AbstractBulkImportService<E extends HasId<? extends Entity
     protected abstract EntityType getEntityType();
 
 
-    private void saveKvs(SecurityUser user, E entity, Map<ColumnMapping, ParsedValue> data) {
+    private void saveKvs(SecurityUser user, E entity, Map<BulkImportRequest.ColumnMapping, ParsedValue> data) {
         Arrays.stream(BulkImportColumnType.values())
                 .filter(BulkImportColumnType::isKv)
                 .map(kvType -> {
@@ -249,7 +247,7 @@ public abstract class AbstractBulkImportService<E extends HasId<? extends Entity
             linesCounter.incrementAndGet();
         }
 
-        List<ColumnMapping> columnsMappings = request.getMapping().getColumns();
+        List<BulkImportRequest.ColumnMapping> columnsMappings = request.getMapping().getColumns();
         return records.stream()
                 .map(record -> {
                     EntityData entityData = new EntityData();
@@ -280,7 +278,7 @@ public abstract class AbstractBulkImportService<E extends HasId<? extends Entity
     @Data
     protected static class EntityData {
         private final Map<BulkImportColumnType, String> fields = new LinkedHashMap<>();
-        private final Map<ColumnMapping, ParsedValue> kvs = new LinkedHashMap<>();
+        private final Map<BulkImportRequest.ColumnMapping, ParsedValue> kvs = new LinkedHashMap<>();
         private int lineNumber;
     }
 

application/src/main/java/org/thingsboard/server/service/importing/BulkImportColumnType.java → application/src/main/java/org/thingsboard/server/service/sync/ie/importing/csv/BulkImportColumnType.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.service.importing;
+package org.thingsboard.server.service.sync.ie.importing.csv;
 
 import lombok.Getter;
 import org.thingsboard.server.common.data.DataConstants;

application/src/main/java/org/thingsboard/server/service/importing/BulkImportRequest.java → application/src/main/java/org/thingsboard/server/service/sync/ie/importing/csv/BulkImportRequest.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.service.importing;
+package org.thingsboard.server.service.sync.ie.importing.csv;
 
 import lombok.Data;
 

application/src/main/java/org/thingsboard/server/service/importing/BulkImportResult.java → application/src/main/java/org/thingsboard/server/service/sync/ie/importing/csv/BulkImportResult.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.service.importing;
+package org.thingsboard.server.service.sync.ie.importing.csv;
 
 import lombok.Data;
 

application/src/main/java/org/thingsboard/server/service/importing/ImportedEntityInfo.java → application/src/main/java/org/thingsboard/server/service/sync/ie/importing/csv/ImportedEntityInfo.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.service.importing;
+package org.thingsboard.server.service.sync.ie.importing.csv;
 
 import lombok.Data;
 

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/AssetImportService.java

@@ -0,0 +1,81 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.AssetId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.dao.asset.AssetService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class AssetImportService extends BaseEntityImportService<AssetId, Asset, EntityExportData<Asset>> {
+
+    private final AssetService assetService;
+
+    @Override
+    protected void setOwner(TenantId tenantId, Asset asset, IdProvider idProvider) {
+        asset.setTenantId(tenantId);
+        asset.setCustomerId(idProvider.getInternalId(asset.getCustomerId()));
+    }
+
+    @Override
+    protected Asset prepare(EntitiesImportCtx ctx, Asset asset, Asset old, EntityExportData<Asset> exportData, IdProvider idProvider) {
+        return asset;
+    }
+
+    @Override
+    protected Asset saveOrUpdate(EntitiesImportCtx ctx, Asset asset, EntityExportData<Asset> exportData, IdProvider idProvider) {
+        return assetService.saveAsset(asset);
+    }
+
+    @Override
+    protected void onEntitySaved(SecurityUser user, Asset savedAsset, Asset oldAsset) throws ThingsboardException {
+        super.onEntitySaved(user, savedAsset, oldAsset);
+        if (oldAsset != null) {
+            entityActionService.sendEntityNotificationMsgToEdge(user.getTenantId(), savedAsset.getId(), EdgeEventActionType.UPDATED);
+        }
+    }
+
+    @Override
+    protected Asset deepCopy(Asset asset) {
+        return new Asset(asset);
+    }
+
+    @Override
+    protected void cleanupForComparison(Asset e) {
+        super.cleanupForComparison(e);
+        if (e.getCustomerId() != null && e.getCustomerId().isNullUid()) {
+            e.setCustomerId(null);
+        }
+    }
+
+    @Override
+    public EntityType getEntityType() {
+        return EntityType.ASSET;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/BaseEntityImportService.java

@@ -0,0 +1,398 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.google.api.client.util.Objects;
+import com.google.common.util.concurrent.FutureCallback;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.transaction.annotation.Transactional;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.server.cluster.TbClusterService;
+import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.ExportableEntity;
+import org.thingsboard.server.common.data.HasCustomerId;
+import org.thingsboard.server.common.data.audit.ActionType;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.EntityIdFactory;
+import org.thingsboard.server.common.data.id.HasId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.kv.AttributeKvEntry;
+import org.thingsboard.server.common.data.kv.BaseAttributeKvEntry;
+import org.thingsboard.server.common.data.kv.BooleanDataEntry;
+import org.thingsboard.server.common.data.kv.DoubleDataEntry;
+import org.thingsboard.server.common.data.kv.JsonDataEntry;
+import org.thingsboard.server.common.data.kv.KvEntry;
+import org.thingsboard.server.common.data.kv.LongDataEntry;
+import org.thingsboard.server.common.data.kv.StringDataEntry;
+import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
+import org.thingsboard.server.common.data.sync.ie.AttributeExportData;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.common.data.sync.ie.EntityImportResult;
+import org.thingsboard.server.dao.relation.RelationService;
+import org.thingsboard.server.service.action.EntityActionService;
+import org.thingsboard.server.service.entitiy.TbNotificationEntityService;
+import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.sync.ie.exporting.ExportableEntitiesService;
+import org.thingsboard.server.service.sync.ie.importing.EntityImportService;
+import org.thingsboard.server.service.sync.vc.data.EntitiesExportCtx;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+import org.thingsboard.server.service.telemetry.TelemetrySubscriptionService;
+
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.UUID;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+@Slf4j
+public abstract class BaseEntityImportService<I extends EntityId, E extends ExportableEntity<I>, D extends EntityExportData<E>> implements EntityImportService<I, E, D> {
+
+    @Autowired
+    @Lazy
+    private ExportableEntitiesService exportableEntitiesService;
+    @Autowired
+    private RelationService relationService;
+    @Autowired
+    private TelemetrySubscriptionService tsSubService;
+    @Autowired
+    protected EntityActionService entityActionService;
+    @Autowired
+    protected TbClusterService clusterService;
+    @Autowired
+    protected TbNotificationEntityService entityNotificationService;
+
+    @Transactional(rollbackFor = Exception.class)
+    @Override
+    public EntityImportResult<E> importEntity(EntitiesImportCtx ctx, D exportData) throws ThingsboardException {
+        EntityImportResult<E> importResult = new EntityImportResult<>();
+        ctx.setCurrentImportResult(importResult);
+        importResult.setEntityType(getEntityType());
+        IdProvider idProvider = new IdProvider(ctx, importResult);
+
+        E entity = exportData.getEntity();
+        entity.setExternalId(entity.getId());
+
+        E existingEntity = findExistingEntity(ctx, entity, idProvider);
+        importResult.setOldEntity(existingEntity);
+
+        setOwner(ctx.getTenantId(), entity, idProvider);
+        if (existingEntity == null) {
+            entity.setId(null);
+        } else {
+            entity.setId(existingEntity.getId());
+            entity.setCreatedTime(existingEntity.getCreatedTime());
+        }
+
+        E prepared = prepare(ctx, entity, existingEntity, exportData, idProvider);
+
+        boolean saveOrUpdate = existingEntity == null || compare(ctx, exportData, prepared, existingEntity);
+
+        if (saveOrUpdate) {
+            E savedEntity = saveOrUpdate(ctx, prepared, exportData, idProvider);
+            boolean created = existingEntity == null;
+            importResult.setCreated(created);
+            importResult.setUpdated(!created);
+            importResult.setSavedEntity(savedEntity);
+            ctx.putInternalId(exportData.getExternalId(), savedEntity.getId());
+        } else {
+            importResult.setSavedEntity(existingEntity);
+            ctx.putInternalId(exportData.getExternalId(), existingEntity.getId());
+            importResult.setUpdatedRelatedEntities(updateRelatedEntitiesIfUnmodified(ctx, prepared, exportData, idProvider));
+        }
+
+        processAfterSaved(ctx, importResult, exportData, idProvider);
+
+        return importResult;
+    }
+
+    protected boolean updateRelatedEntitiesIfUnmodified(EntitiesImportCtx ctx, E prepared, D exportData, IdProvider idProvider) {
+        return false;
+    }
+
+    @Override
+    public abstract EntityType getEntityType();
+
+    protected abstract void setOwner(TenantId tenantId, E entity, IdProvider idProvider);
+
+    protected abstract E prepare(EntitiesImportCtx ctx, E entity, E oldEntity, D exportData, IdProvider idProvider);
+
+    protected boolean compare(EntitiesImportCtx ctx, D exportData, E prepared, E existing) {
+        var newCopy = deepCopy(prepared);
+        var existingCopy = deepCopy(existing);
+        cleanupForComparison(newCopy);
+        cleanupForComparison(existingCopy);
+        var result = !newCopy.equals(existingCopy);
+        if (result) {
+            log.debug("[{}] Found update.", prepared.getId());
+            log.debug("[{}] From: {}", prepared.getId(), newCopy);
+            log.debug("[{}] To: {}", prepared.getId(), existingCopy);
+        }
+        return result;
+    }
+
+    protected abstract E deepCopy(E e);
+
+    protected void cleanupForComparison(E e) {
+        e.setTenantId(null);
+        e.setCreatedTime(0);
+    }
+
+    protected abstract E saveOrUpdate(EntitiesImportCtx ctx, E entity, D exportData, IdProvider idProvider);
+
+
+    protected void processAfterSaved(EntitiesImportCtx ctx, EntityImportResult<E> importResult, D exportData, IdProvider idProvider) throws ThingsboardException {
+        E savedEntity = importResult.getSavedEntity();
+        E oldEntity = importResult.getOldEntity();
+
+        if (importResult.isCreated() || importResult.isUpdated()) {
+            importResult.addSendEventsCallback(() -> onEntitySaved(ctx.getUser(), savedEntity, oldEntity));
+        }
+
+        if (ctx.isUpdateRelations() && exportData.getRelations() != null) {
+            importRelations(ctx, exportData.getRelations(), importResult, idProvider);
+        }
+        if (ctx.isSaveAttributes() && exportData.getAttributes() != null) {
+            if (exportData.getAttributes().values().stream().anyMatch(d -> !d.isEmpty())) {
+                importResult.setUpdatedRelatedEntities(true);
+            }
+            importAttributes(ctx.getUser(), exportData.getAttributes(), importResult);
+        }
+    }
+
+    private void importRelations(EntitiesImportCtx ctx, List<EntityRelation> relations, EntityImportResult<E> importResult, IdProvider idProvider) {
+        var tenantId = ctx.getTenantId();
+        E entity = importResult.getSavedEntity();
+        importResult.addSaveReferencesCallback(() -> {
+            for (EntityRelation relation : relations) {
+                if (!relation.getTo().equals(entity.getId())) {
+                    relation.setTo(idProvider.getInternalId(relation.getTo()));
+                }
+                if (!relation.getFrom().equals(entity.getId())) {
+                    relation.setFrom(idProvider.getInternalId(relation.getFrom()));
+                }
+            }
+
+            Map<EntityRelation, EntityRelation> relationsMap = new LinkedHashMap<>();
+            relations.forEach(r -> relationsMap.put(r, r));
+
+            if (importResult.getOldEntity() != null) {
+                List<EntityRelation> existingRelations = new ArrayList<>();
+                existingRelations.addAll(relationService.findByTo(tenantId, entity.getId(), RelationTypeGroup.COMMON));
+                existingRelations.addAll(relationService.findByFrom(tenantId, entity.getId(), RelationTypeGroup.COMMON));
+
+                for (EntityRelation existingRelation : existingRelations) {
+                    EntityRelation relation = relationsMap.get(existingRelation);
+                    if (relation == null) {
+                        importResult.setUpdatedRelatedEntities(true);
+                        relationService.deleteRelation(tenantId, existingRelation);
+                        importResult.addSendEventsCallback(() -> {
+                            entityActionService.logEntityAction(ctx.getUser(), existingRelation.getFrom(), null, null,
+                                    ActionType.RELATION_DELETED, null, existingRelation);
+                            entityActionService.logEntityAction(ctx.getUser(), existingRelation.getTo(), null, null,
+                                    ActionType.RELATION_DELETED, null, existingRelation);
+                        });
+                    } else if (Objects.equal(relation.getAdditionalInfo(), existingRelation.getAdditionalInfo())) {
+                        relationsMap.remove(relation);
+                    }
+                }
+            }
+            if (!relationsMap.isEmpty()) {
+                importResult.setUpdatedRelatedEntities(true);
+                ctx.addRelations(relationsMap.values());
+            }
+        });
+    }
+
+    private void importAttributes(SecurityUser user, Map<String, List<AttributeExportData>> attributes, EntityImportResult<E> importResult) {
+        E entity = importResult.getSavedEntity();
+        importResult.addSaveReferencesCallback(() -> {
+            attributes.forEach((scope, attributesExportData) -> {
+                List<AttributeKvEntry> attributeKvEntries = attributesExportData.stream()
+                        .map(attributeExportData -> {
+                            KvEntry kvEntry;
+                            String key = attributeExportData.getKey();
+                            if (attributeExportData.getStrValue() != null) {
+                                kvEntry = new StringDataEntry(key, attributeExportData.getStrValue());
+                            } else if (attributeExportData.getBooleanValue() != null) {
+                                kvEntry = new BooleanDataEntry(key, attributeExportData.getBooleanValue());
+                            } else if (attributeExportData.getDoubleValue() != null) {
+                                kvEntry = new DoubleDataEntry(key, attributeExportData.getDoubleValue());
+                            } else if (attributeExportData.getLongValue() != null) {
+                                kvEntry = new LongDataEntry(key, attributeExportData.getLongValue());
+                            } else if (attributeExportData.getJsonValue() != null) {
+                                kvEntry = new JsonDataEntry(key, attributeExportData.getJsonValue());
+                            } else {
+                                throw new IllegalArgumentException("Invalid attribute export data");
+                            }
+                            return new BaseAttributeKvEntry(kvEntry, attributeExportData.getLastUpdateTs());
+                        })
+                        .collect(Collectors.toList());
+                // fixme: attributes are saved outside the transaction
+                tsSubService.saveAndNotify(user.getTenantId(), entity.getId(), scope, attributeKvEntries, new FutureCallback<Void>() {
+                    @Override
+                    public void onSuccess(@Nullable Void unused) {
+                    }
+
+                    @Override
+                    public void onFailure(Throwable thr) {
+                        log.error("Failed to import attributes for {} {}", entity.getId().getEntityType(), entity.getId(), thr);
+                    }
+                });
+            });
+        });
+    }
+
+    protected void onEntitySaved(SecurityUser user, E savedEntity, E oldEntity) throws ThingsboardException {
+        entityActionService.logEntityAction(user, savedEntity.getId(), savedEntity,
+                savedEntity instanceof HasCustomerId ? ((HasCustomerId) savedEntity).getCustomerId() : user.getCustomerId(),
+                oldEntity == null ? ActionType.ADDED : ActionType.UPDATED, null);
+    }
+
+
+    @SuppressWarnings("unchecked")
+    protected E findExistingEntity(EntitiesImportCtx ctx, E entity, IdProvider idProvider) {
+        return (E) Optional.ofNullable(exportableEntitiesService.findEntityByTenantIdAndExternalId(ctx.getTenantId(), entity.getId()))
+                .or(() -> Optional.ofNullable(exportableEntitiesService.findEntityByTenantIdAndId(ctx.getTenantId(), entity.getId())))
+                .or(() -> {
+                    if (ctx.isFindExistingByName()) {
+                        return Optional.ofNullable(exportableEntitiesService.findEntityByTenantIdAndName(ctx.getTenantId(), getEntityType(), entity.getName()));
+                    } else {
+                        return Optional.empty();
+                    }
+                })
+                .orElse(null);
+    }
+
+    @SuppressWarnings("unchecked")
+    private <ID extends EntityId> HasId<ID> findInternalEntity(TenantId tenantId, ID externalId) {
+        return (HasId<ID>) Optional.ofNullable(exportableEntitiesService.findEntityByTenantIdAndExternalId(tenantId, externalId))
+                .or(() -> Optional.ofNullable(exportableEntitiesService.findEntityByTenantIdAndId(tenantId, externalId)))
+                .orElseThrow(() -> new MissingEntityException(externalId));
+    }
+
+
+    @SuppressWarnings("unchecked")
+    @RequiredArgsConstructor
+    protected class IdProvider {
+        private final EntitiesImportCtx ctx;
+        private final EntityImportResult<E> importResult;
+
+        public <ID extends EntityId> ID getInternalId(ID externalId) {
+            return getInternalId(externalId, true);
+        }
+
+        public <ID extends EntityId> ID getInternalId(ID externalId, boolean throwExceptionIfNotFound) {
+            if (externalId == null || externalId.isNullUid()) return null;
+
+            EntityId localId = ctx.getInternalId(externalId);
+            if (localId != null) {
+                return (ID) localId;
+            }
+
+            HasId<ID> entity;
+            try {
+                entity = findInternalEntity(ctx.getTenantId(), externalId);
+            } catch (Exception e) {
+                if (throwExceptionIfNotFound) {
+                    throw e;
+                } else {
+                    importResult.setUpdatedAllExternalIds(false);
+                    return null;
+                }
+            }
+            ctx.putInternalId(externalId, entity.getId());
+            return entity.getId();
+        }
+
+        public Optional<EntityId> getInternalIdByUuid(UUID externalUuid, boolean fetchAllUUIDs, Set<EntityType> hints) {
+            if (externalUuid.equals(EntityId.NULL_UUID)) return Optional.empty();
+
+            for (EntityType entityType : EntityType.values()) {
+                Optional<EntityId> externalIdOpt = buildEntityId(entityType, externalUuid);
+                if (!externalIdOpt.isPresent()) {
+                    continue;
+                }
+                EntityId internalId = ctx.getInternalId(externalIdOpt.get());
+                if (internalId != null) {
+                    return Optional.of(internalId);
+                }
+            }
+
+            if (fetchAllUUIDs) {
+                for (EntityType entityType : hints) {
+                    Optional<EntityId> internalId = lookupInDb(externalUuid, entityType);
+                    if (internalId.isPresent()) return internalId;
+                }
+                for (EntityType entityType : EntityType.values()) {
+                    if (hints.contains(entityType)) {
+                        continue;
+                    }
+                    Optional<EntityId> internalId = lookupInDb(externalUuid, entityType);
+                    if (internalId.isPresent()) return internalId;
+                }
+            }
+
+            importResult.setUpdatedAllExternalIds(false);
+            return Optional.empty();
+        }
+
+        private Optional<EntityId> lookupInDb(UUID externalUuid, EntityType entityType) {
+            Optional<EntityId> externalIdOpt = buildEntityId(entityType, externalUuid);
+            if (externalIdOpt.isEmpty() || ctx.isNotFound(externalIdOpt.get())) {
+                return Optional.empty();
+            }
+            EntityId internalId = getInternalId(externalIdOpt.get(), false);
+            if (internalId != null) {
+                return Optional.of(internalId);
+            } else {
+                ctx.registerNotFound(externalIdOpt.get());
+            }
+            return Optional.empty();
+        }
+
+        private Optional<EntityId> buildEntityId(EntityType entityType, UUID externalUuid) {
+            try {
+                return Optional.of(EntityIdFactory.getByTypeAndUuid(entityType, externalUuid));
+            } catch (Exception e) {
+                return Optional.empty();
+            }
+        }
+
+    }
+
+    protected <T extends EntityId, O> T getOldEntityField(O oldEntity, Function<O, T> getter) {
+        return oldEntity == null ? null : getter.apply(oldEntity);
+    }
+
+    protected void replaceIdsRecursively(EntitiesImportCtx ctx, IdProvider idProvider, JsonNode entityAlias, Set<String> skipFieldsSet, LinkedHashSet<EntityType> hints) {
+        JacksonUtil.replaceUuidsRecursively(entityAlias, skipFieldsSet,
+                uuid -> idProvider.getInternalIdByUuid(uuid, ctx.isFinalImportAttempt(), hints).map(EntityId::getId).orElse(uuid));
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/CustomerImportService.java

@@ -0,0 +1,84 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.Customer;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.dao.customer.CustomerDao;
+import org.thingsboard.server.dao.customer.CustomerService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class CustomerImportService extends BaseEntityImportService<CustomerId, Customer, EntityExportData<Customer>> {
+
+    private final CustomerService customerService;
+    private final CustomerDao customerDao;
+
+    @Override
+    protected void setOwner(TenantId tenantId, Customer customer, IdProvider idProvider) {
+        customer.setTenantId(tenantId);
+    }
+
+    @Override
+    protected Customer prepare(EntitiesImportCtx ctx, Customer customer, Customer old, EntityExportData<Customer> exportData, IdProvider idProvider) {
+        if (customer.isPublic()) {
+            Customer publicCustomer = customerService.findOrCreatePublicCustomer(ctx.getTenantId());
+            publicCustomer.setExternalId(customer.getExternalId());
+            return publicCustomer;
+        } else {
+            return customer;
+        }
+    }
+
+    @Override
+    protected Customer saveOrUpdate(EntitiesImportCtx ctx, Customer customer, EntityExportData<Customer> exportData, IdProvider idProvider) {
+        if (!customer.isPublic()) {
+            return customerService.saveCustomer(customer);
+        } else {
+            return customerDao.save(ctx.getTenantId(), customer);
+        }
+    }
+
+    @Override
+    protected Customer deepCopy(Customer customer) {
+        return new Customer(customer);
+    }
+
+    @Override
+    protected void onEntitySaved(SecurityUser user, Customer savedCustomer, Customer oldCustomer) throws ThingsboardException {
+        super.onEntitySaved(user, savedCustomer, oldCustomer);
+        if (oldCustomer != null) {
+            entityActionService.sendEntityNotificationMsgToEdge(user.getTenantId(), savedCustomer.getId(), EdgeEventActionType.UPDATED);
+        }
+    }
+
+    @Override
+    public EntityType getEntityType() {
+        return EntityType.CUSTOMER;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/DashboardImportService.java

@@ -0,0 +1,133 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.server.common.data.Dashboard;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.ShortCustomerInfo;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.DashboardId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.dao.dashboard.DashboardService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedHashSet;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class DashboardImportService extends BaseEntityImportService<DashboardId, Dashboard, EntityExportData<Dashboard>> {
+
+    private static final LinkedHashSet<EntityType> HINTS = new LinkedHashSet<>(Arrays.asList(EntityType.DASHBOARD, EntityType.DEVICE, EntityType.ASSET));
+
+    private final DashboardService dashboardService;
+
+
+    @Override
+    protected void setOwner(TenantId tenantId, Dashboard dashboard, IdProvider idProvider) {
+        dashboard.setTenantId(tenantId);
+    }
+
+    @Override
+    protected Dashboard findExistingEntity(EntitiesImportCtx ctx, Dashboard dashboard, IdProvider idProvider) {
+        Dashboard existingDashboard = super.findExistingEntity(ctx, dashboard, idProvider);
+        if (existingDashboard == null && ctx.isFindExistingByName()) {
+            existingDashboard = dashboardService.findTenantDashboardsByTitle(ctx.getTenantId(), dashboard.getName()).stream().findFirst().orElse(null);
+        }
+        return existingDashboard;
+    }
+
+    @Override
+    protected Dashboard prepare(EntitiesImportCtx ctx, Dashboard dashboard, Dashboard old, EntityExportData<Dashboard> exportData, IdProvider idProvider) {
+        for (JsonNode entityAlias : dashboard.getEntityAliasesConfig()) {
+            replaceIdsRecursively(ctx, idProvider, entityAlias, Collections.emptySet(), HINTS);
+        }
+        for (JsonNode widgetConfig : dashboard.getWidgetsConfig()) {
+            replaceIdsRecursively(ctx, idProvider, JacksonUtil.getSafely(widgetConfig, "config", "actions"), Collections.singleton("id"), HINTS);
+        }
+        return dashboard;
+    }
+
+    @Override
+    protected Dashboard saveOrUpdate(EntitiesImportCtx ctx, Dashboard dashboard, EntityExportData<Dashboard> exportData, IdProvider idProvider) {
+        var tenantId = ctx.getTenantId();
+
+        Set<ShortCustomerInfo> assignedCustomers = Optional.ofNullable(dashboard.getAssignedCustomers()).orElse(Collections.emptySet()).stream()
+                .peek(customerInfo -> customerInfo.setCustomerId(idProvider.getInternalId(customerInfo.getCustomerId())))
+                .collect(Collectors.toSet());
+
+        if (dashboard.getId() == null) {
+            dashboard.setAssignedCustomers(assignedCustomers);
+            dashboard = dashboardService.saveDashboard(dashboard);
+            for (ShortCustomerInfo customerInfo : assignedCustomers) {
+                dashboard = dashboardService.assignDashboardToCustomer(tenantId, dashboard.getId(), customerInfo.getCustomerId());
+            }
+        } else {
+            Set<CustomerId> existingAssignedCustomers = Optional.ofNullable(dashboardService.findDashboardById(tenantId, dashboard.getId()).getAssignedCustomers())
+                    .orElse(Collections.emptySet()).stream().map(ShortCustomerInfo::getCustomerId).collect(Collectors.toSet());
+            Set<CustomerId> newAssignedCustomers = assignedCustomers.stream().map(ShortCustomerInfo::getCustomerId).collect(Collectors.toSet());
+
+            Set<CustomerId> toUnassign = new HashSet<>(existingAssignedCustomers);
+            toUnassign.removeAll(newAssignedCustomers);
+            for (CustomerId customerId : toUnassign) {
+                assignedCustomers = dashboardService.unassignDashboardFromCustomer(tenantId, dashboard.getId(), customerId).getAssignedCustomers();
+            }
+
+            Set<CustomerId> toAssign = new HashSet<>(newAssignedCustomers);
+            toAssign.removeAll(existingAssignedCustomers);
+            for (CustomerId customerId : toAssign) {
+                assignedCustomers = dashboardService.assignDashboardToCustomer(tenantId, dashboard.getId(), customerId).getAssignedCustomers();
+            }
+            dashboard.setAssignedCustomers(assignedCustomers);
+            dashboard = dashboardService.saveDashboard(dashboard);
+        }
+        return dashboard;
+    }
+
+    @Override
+    protected Dashboard deepCopy(Dashboard dashboard) {
+        return new Dashboard(dashboard);
+    }
+
+    @Override
+    protected void onEntitySaved(SecurityUser user, Dashboard savedDashboard, Dashboard oldDashboard) throws ThingsboardException {
+        super.onEntitySaved(user, savedDashboard, oldDashboard);
+        if (oldDashboard != null) {
+            entityActionService.sendEntityNotificationMsgToEdge(user.getTenantId(), savedDashboard.getId(), EdgeEventActionType.UPDATED);
+        }
+    }
+
+    @Override
+    public EntityType getEntityType() {
+        return EntityType.DASHBOARD;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/DeviceImportService.java

@@ -0,0 +1,105 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.sync.ie.DeviceExportData;
+import org.thingsboard.server.dao.device.DeviceCredentialsService;
+import org.thingsboard.server.dao.device.DeviceService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class DeviceImportService extends BaseEntityImportService<DeviceId, Device, DeviceExportData> {
+
+    private final DeviceService deviceService;
+    private final DeviceCredentialsService credentialsService;
+
+    @Override
+    protected void setOwner(TenantId tenantId, Device device, IdProvider idProvider) {
+        device.setTenantId(tenantId);
+        device.setCustomerId(idProvider.getInternalId(device.getCustomerId()));
+    }
+
+    @Override
+    protected Device prepare(EntitiesImportCtx ctx, Device device, Device old, DeviceExportData exportData, IdProvider idProvider) {
+        device.setDeviceProfileId(idProvider.getInternalId(device.getDeviceProfileId()));
+        device.setFirmwareId(getOldEntityField(old, Device::getFirmwareId));
+        device.setSoftwareId(getOldEntityField(old, Device::getSoftwareId));
+        return device;
+    }
+
+    @Override
+    protected Device deepCopy(Device d) {
+        return new Device(d);
+    }
+
+    @Override
+    protected void cleanupForComparison(Device e) {
+        super.cleanupForComparison(e);
+        if (e.getCustomerId() != null && e.getCustomerId().isNullUid()) {
+            e.setCustomerId(null);
+        }
+    }
+
+    @Override
+    protected Device saveOrUpdate(EntitiesImportCtx ctx, Device device, DeviceExportData exportData, IdProvider idProvider) {
+        if (exportData.getCredentials() != null && ctx.isSaveCredentials()) {
+            exportData.getCredentials().setId(null);
+            exportData.getCredentials().setDeviceId(null);
+            return deviceService.saveDeviceWithCredentials(device, exportData.getCredentials());
+        } else {
+            return deviceService.saveDevice(device);
+        }
+    }
+
+    @Override
+    protected boolean updateRelatedEntitiesIfUnmodified(EntitiesImportCtx ctx, Device prepared, DeviceExportData exportData, IdProvider idProvider) {
+        boolean updated = super.updateRelatedEntitiesIfUnmodified(ctx, prepared, exportData, idProvider);
+        var credentials = exportData.getCredentials();
+        if (credentials != null && ctx.isSaveCredentials()) {
+            var existing = credentialsService.findDeviceCredentialsByDeviceId(ctx.getTenantId(), prepared.getId());
+            credentials.setId(existing.getId());
+            credentials.setDeviceId(prepared.getId());
+            if (!existing.equals(credentials)) {
+                credentialsService.updateDeviceCredentials(ctx.getTenantId(), credentials);
+                updated = true;
+            }
+        }
+        return updated;
+    }
+
+    @Override
+    protected void onEntitySaved(SecurityUser user, Device savedDevice, Device oldDevice) throws ThingsboardException {
+        super.onEntitySaved(user, savedDevice, oldDevice);
+        clusterService.onDeviceUpdated(savedDevice, oldDevice);
+    }
+
+    @Override
+    public EntityType getEntityType() {
+        return EntityType.DEVICE;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/DeviceProfileImportService.java

@@ -0,0 +1,93 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.DeviceProfile;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.DeviceProfileId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.dao.device.DeviceProfileService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.ota.OtaPackageStateService;
+import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+import java.util.Objects;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class DeviceProfileImportService extends BaseEntityImportService<DeviceProfileId, DeviceProfile, EntityExportData<DeviceProfile>> {
+
+    private final DeviceProfileService deviceProfileService;
+    private final OtaPackageStateService otaPackageStateService;
+
+    @Override
+    protected void setOwner(TenantId tenantId, DeviceProfile deviceProfile, IdProvider idProvider) {
+        deviceProfile.setTenantId(tenantId);
+    }
+
+    @Override
+    protected DeviceProfile prepare(EntitiesImportCtx ctx, DeviceProfile deviceProfile, DeviceProfile old, EntityExportData<DeviceProfile> exportData, IdProvider idProvider) {
+        deviceProfile.setDefaultRuleChainId(idProvider.getInternalId(deviceProfile.getDefaultRuleChainId()));
+        deviceProfile.setDefaultDashboardId(idProvider.getInternalId(deviceProfile.getDefaultDashboardId()));
+        deviceProfile.setFirmwareId(getOldEntityField(old, DeviceProfile::getFirmwareId));
+        deviceProfile.setSoftwareId(getOldEntityField(old, DeviceProfile::getSoftwareId));
+        return deviceProfile;
+    }
+
+    @Override
+    protected DeviceProfile saveOrUpdate(EntitiesImportCtx ctx, DeviceProfile deviceProfile, EntityExportData<DeviceProfile> exportData, IdProvider idProvider) {
+        return deviceProfileService.saveDeviceProfile(deviceProfile);
+    }
+
+    @Override
+    protected void onEntitySaved(SecurityUser user, DeviceProfile savedDeviceProfile, DeviceProfile oldDeviceProfile) throws ThingsboardException {
+        super.onEntitySaved(user, savedDeviceProfile, oldDeviceProfile);
+        clusterService.onDeviceProfileChange(savedDeviceProfile, null);
+        clusterService.broadcastEntityStateChangeEvent(user.getTenantId(), savedDeviceProfile.getId(),
+                oldDeviceProfile == null ? ComponentLifecycleEvent.CREATED : ComponentLifecycleEvent.UPDATED);
+        entityActionService.sendEntityNotificationMsgToEdge(user.getTenantId(), savedDeviceProfile.getId(),
+                oldDeviceProfile == null ? EdgeEventActionType.ADDED : EdgeEventActionType.UPDATED);
+        otaPackageStateService.update(savedDeviceProfile,
+                oldDeviceProfile != null && !Objects.equals(oldDeviceProfile.getFirmwareId(), savedDeviceProfile.getFirmwareId()),
+                oldDeviceProfile != null && !Objects.equals(oldDeviceProfile.getSoftwareId(), savedDeviceProfile.getSoftwareId()));
+    }
+
+    @Override
+    protected DeviceProfile deepCopy(DeviceProfile deviceProfile) {
+        return new DeviceProfile(deviceProfile);
+    }
+
+    @Override
+    protected void cleanupForComparison(DeviceProfile deviceProfile) {
+        super.cleanupForComparison(deviceProfile);
+        deviceProfile.setFirmwareId(null);
+        deviceProfile.setSoftwareId(null);
+    }
+
+    @Override
+    public EntityType getEntityType() {
+        return EntityType.DEVICE_PROFILE;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/EntityViewImportService.java

@@ -0,0 +1,90 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.EntityView;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.EntityViewId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.sync.ie.EntityExportData;
+import org.thingsboard.server.dao.entityview.EntityViewService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.entitiy.entityView.TbEntityViewService;
+import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class EntityViewImportService extends BaseEntityImportService<EntityViewId, EntityView, EntityExportData<EntityView>> {
+
+    private final EntityViewService entityViewService;
+
+    @Lazy
+    @Autowired
+    private TbEntityViewService tbEntityViewService;
+
+    @Override
+    protected void setOwner(TenantId tenantId, EntityView entityView, IdProvider idProvider) {
+        entityView.setTenantId(tenantId);
+        entityView.setCustomerId(idProvider.getInternalId(entityView.getCustomerId()));
+    }
+
+    @Override
+    protected EntityView prepare(EntitiesImportCtx ctx, EntityView entityView, EntityView old, EntityExportData<EntityView> exportData, IdProvider idProvider) {
+        entityView.setEntityId(idProvider.getInternalId(entityView.getEntityId()));
+        return entityView;
+    }
+
+    @Override
+    protected EntityView saveOrUpdate(EntitiesImportCtx ctx, EntityView entityView, EntityExportData<EntityView> exportData, IdProvider idProvider) {
+        return entityViewService.saveEntityView(entityView);
+    }
+
+    @Override
+    protected void onEntitySaved(SecurityUser user, EntityView savedEntityView, EntityView oldEntityView) throws ThingsboardException {
+        tbEntityViewService.updateEntityViewAttributes(user, savedEntityView, oldEntityView);
+        super.onEntitySaved(user, savedEntityView, oldEntityView);
+        if (oldEntityView != null) {
+            entityActionService.sendEntityNotificationMsgToEdge(user.getTenantId(), savedEntityView.getId(), EdgeEventActionType.UPDATED);
+        }
+    }
+
+    @Override
+    protected EntityView deepCopy(EntityView entityView) {
+        return new EntityView(entityView);
+    }
+
+    @Override
+    protected void cleanupForComparison(EntityView e) {
+        super.cleanupForComparison(e);
+        if (e.getCustomerId() != null && e.getCustomerId().isNullUid()) {
+            e.setCustomerId(null);
+        }
+    }
+
+    @Override
+    public EntityType getEntityType() {
+        return EntityType.ENTITY_VIEW;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/ImportServiceException.java

@@ -0,0 +1,20 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+public class ImportServiceException extends RuntimeException{
+    private static final long serialVersionUID = -4932715239522125041L;
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/MissingEntityException.java

@@ -0,0 +1,30 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import lombok.Getter;
+import org.thingsboard.server.common.data.id.EntityId;
+
+public class MissingEntityException extends ImportServiceException {
+
+    private static final long serialVersionUID = 3669135386955906022L;
+    @Getter
+    private final EntityId entityId;
+
+    public MissingEntityException(EntityId entityId) {
+        this.entityId = entityId;
+    }
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/RuleChainImportService.java

@@ -0,0 +1,148 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.id.RuleNodeId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
+import org.thingsboard.server.common.data.rule.RuleChain;
+import org.thingsboard.server.common.data.rule.RuleChainMetaData;
+import org.thingsboard.server.common.data.rule.RuleChainType;
+import org.thingsboard.server.common.data.rule.RuleNode;
+import org.thingsboard.server.common.data.sync.ie.RuleChainExportData;
+import org.thingsboard.server.dao.rule.RuleChainService;
+import org.thingsboard.server.dao.rule.RuleNodeDao;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+@Slf4j
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class RuleChainImportService extends BaseEntityImportService<RuleChainId, RuleChain, RuleChainExportData> {
+
+    private static final LinkedHashSet<EntityType> HINTS = new LinkedHashSet<>(Arrays.asList(EntityType.RULE_CHAIN, EntityType.DEVICE, EntityType.ASSET));
+
+    private final RuleChainService ruleChainService;
+    private final RuleNodeDao ruleNodeDao;
+
+    @Override
+    protected void setOwner(TenantId tenantId, RuleChain ruleChain, IdProvider idProvider) {
+        ruleChain.setTenantId(tenantId);
+    }
+
+    @Override
+    protected RuleChain findExistingEntity(EntitiesImportCtx ctx, RuleChain ruleChain, IdProvider idProvider) {
+        RuleChain existingRuleChain = super.findExistingEntity(ctx, ruleChain, idProvider);
+        if (existingRuleChain == null && ctx.isFindExistingByName()) {
+            existingRuleChain = ruleChainService.findTenantRuleChainsByTypeAndName(ctx.getTenantId(), ruleChain.getType(), ruleChain.getName()).stream().findFirst().orElse(null);
+        }
+        return existingRuleChain;
+    }
+
+    @Override
+    protected RuleChain prepare(EntitiesImportCtx ctx, RuleChain ruleChain, RuleChain old, RuleChainExportData exportData, IdProvider idProvider) {
+        RuleChainMetaData metaData = exportData.getMetaData();
+        List<RuleNode> ruleNodes = Optional.ofNullable(metaData.getNodes()).orElse(Collections.emptyList());
+        if (old != null) {
+            List<RuleNodeId> nodeIds = ruleNodes.stream().map(RuleNode::getId).collect(Collectors.toList());
+            List<RuleNode> existing = ruleNodeDao.findByExternalIds(old.getId(), nodeIds);
+            existing.forEach(node -> ctx.putInternalId(node.getExternalId(), node.getId()));
+            ruleNodes.forEach(node -> {
+                node.setRuleChainId(old.getId());
+                node.setExternalId(node.getId());
+                node.setId((RuleNodeId) ctx.getInternalId(node.getId()));
+            });
+        } else {
+            ruleNodes.forEach(node -> {
+                node.setRuleChainId(null);
+                node.setExternalId(node.getId());
+                node.setId(null);
+            });
+        }
+
+        ruleNodes.forEach(ruleNode -> replaceIdsRecursively(ctx, idProvider, ruleNode.getConfiguration(), Collections.emptySet(), HINTS));
+        Optional.ofNullable(metaData.getRuleChainConnections()).orElse(Collections.emptyList())
+                .forEach(ruleChainConnectionInfo -> {
+                    ruleChainConnectionInfo.setTargetRuleChainId(idProvider.getInternalId(ruleChainConnectionInfo.getTargetRuleChainId(), false));
+                });
+        if (ruleChain.getFirstRuleNodeId() != null) {
+            ruleChain.setFirstRuleNodeId((RuleNodeId) ctx.getInternalId(ruleChain.getFirstRuleNodeId()));
+        }
+        return ruleChain;
+    }
+
+    @Override
+    protected RuleChain saveOrUpdate(EntitiesImportCtx ctx, RuleChain ruleChain, RuleChainExportData exportData, IdProvider idProvider) {
+        ruleChain = ruleChainService.saveRuleChain(ruleChain);
+        if (ctx.isFinalImportAttempt() || ctx.getCurrentImportResult().isUpdatedAllExternalIds()) {
+            exportData.getMetaData().setRuleChainId(ruleChain.getId());
+            ruleChainService.saveRuleChainMetaData(ctx.getTenantId(), exportData.getMetaData());
+            return ruleChainService.findRuleChainById(ctx.getTenantId(), ruleChain.getId());
+        } else {
+            return ruleChain;
+        }
+    }
+
+    @Override
+    protected boolean compare(EntitiesImportCtx ctx, RuleChainExportData exportData, RuleChain prepared, RuleChain existing) {
+        boolean different = super.compare(ctx, exportData, prepared, existing);
+        if (!different) {
+            RuleChainMetaData newMD = exportData.getMetaData();
+            RuleChainMetaData existingMD = ruleChainService.loadRuleChainMetaData(ctx.getTenantId(), prepared.getId());
+            existingMD.setRuleChainId(null);
+            different = newMD.equals(existingMD);
+        }
+        return different;
+    }
+
+    @Override
+    protected void onEntitySaved(SecurityUser user, RuleChain savedRuleChain, RuleChain oldRuleChain) throws ThingsboardException {
+        super.onEntitySaved(user, savedRuleChain, oldRuleChain);
+        if (savedRuleChain.getType() == RuleChainType.CORE) {
+            clusterService.broadcastEntityStateChangeEvent(user.getTenantId(), savedRuleChain.getId(),
+                    oldRuleChain == null ? ComponentLifecycleEvent.CREATED : ComponentLifecycleEvent.UPDATED);
+        } else if (savedRuleChain.getType() == RuleChainType.EDGE && oldRuleChain != null) {
+            entityActionService.sendEntityNotificationMsgToEdge(user.getTenantId(), savedRuleChain.getId(), EdgeEventActionType.UPDATED);
+        }
+    }
+
+    @Override
+    protected RuleChain deepCopy(RuleChain ruleChain) {
+        return new RuleChain(ruleChain);
+    }
+
+    @Override
+    public EntityType getEntityType() {
+        return EntityType.RULE_CHAIN;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/WidgetsBundleImportService.java

@@ -0,0 +1,106 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.service.sync.ie.importing.impl;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.edge.EdgeEventActionType;
+import org.thingsboard.server.common.data.exception.ThingsboardException;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.id.WidgetsBundleId;
+import org.thingsboard.server.common.data.sync.ie.WidgetsBundleExportData;
+import org.thingsboard.server.common.data.widget.BaseWidgetType;
+import org.thingsboard.server.common.data.widget.WidgetTypeDetails;
+import org.thingsboard.server.common.data.widget.WidgetTypeInfo;
+import org.thingsboard.server.common.data.widget.WidgetsBundle;
+import org.thingsboard.server.dao.widget.WidgetTypeService;
+import org.thingsboard.server.dao.widget.WidgetsBundleService;
+import org.thingsboard.server.queue.util.TbCoreComponent;
+import org.thingsboard.server.service.security.model.SecurityUser;
+import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
+
+import java.util.Map;
+import java.util.stream.Collectors;
+
+@Service
+@TbCoreComponent
+@RequiredArgsConstructor
+public class WidgetsBundleImportService extends BaseEntityImportService<WidgetsBundleId, WidgetsBundle, WidgetsBundleExportData> {
+
+    private final WidgetsBundleService widgetsBundleService;
+    private final WidgetTypeService widgetTypeService;
+
+    @Override
+    protected void setOwner(TenantId tenantId, WidgetsBundle widgetsBundle, IdProvider idProvider) {
+        widgetsBundle.setTenantId(tenantId);
+    }
+
+    @Override
+    protected WidgetsBundle prepare(EntitiesImportCtx ctx, WidgetsBundle widgetsBundle, WidgetsBundle old, WidgetsBundleExportData exportData, IdProvider idProvider) {
+        return widgetsBundle;
+    }
+
+    @Override
+    protected WidgetsBundle saveOrUpdate(EntitiesImportCtx ctx, WidgetsBundle widgetsBundle, WidgetsBundleExportData exportData, IdProvider idProvider) {
+        WidgetsBundle savedWidgetsBundle = widgetsBundleService.saveWidgetsBundle(widgetsBundle);
+        if (widgetsBundle.getId() == null) {
+            for (WidgetTypeDetails widget : exportData.getWidgets()) {
+                widget.setId(null);
+                widget.setTenantId(ctx.getTenantId());
+                widget.setBundleAlias(savedWidgetsBundle.getAlias());
+                widgetTypeService.saveWidgetType(widget);
+            }
+        } else {
+            Map<String, WidgetTypeInfo> existingWidgets = widgetTypeService.findWidgetTypesInfosByTenantIdAndBundleAlias(ctx.getTenantId(), savedWidgetsBundle.getAlias()).stream()
+                    .collect(Collectors.toMap(BaseWidgetType::getAlias, w -> w));
+            for (WidgetTypeDetails widget : exportData.getWidgets()) {
+                WidgetTypeInfo existingWidget;
+                if ((existingWidget = existingWidgets.remove(widget.getAlias())) != null) {
+                    widget.setId(existingWidget.getId());
+                    widget.setCreatedTime(existingWidget.getCreatedTime());
+                } else {
+                    widget.setId(null);
+                }
+                widget.setTenantId(ctx.getTenantId());
+                widget.setBundleAlias(savedWidgetsBundle.getAlias());
+                widgetTypeService.saveWidgetType(widget);
+            }
+            existingWidgets.values().stream()
+                    .map(BaseWidgetType::getId)
+                    .forEach(widgetTypeId -> widgetTypeService.deleteWidgetType(ctx.getTenantId(), widgetTypeId));
+        }
+        return savedWidgetsBundle;
+    }
+
+    @Override
+    protected void onEntitySaved(SecurityUser user, WidgetsBundle savedWidgetsBundle, WidgetsBundle oldWidgetsBundle) throws ThingsboardException {
+        super.onEntitySaved(user, savedWidgetsBundle, oldWidgetsBundle);
+        entityNotificationService.notifySendMsgToEdgeService(user.getTenantId(), savedWidgetsBundle.getId(),
+                oldWidgetsBundle == null ? EdgeEventActionType.ADDED : EdgeEventActionType.UPDATED);
+    }
+
+    @Override
+    protected WidgetsBundle deepCopy(WidgetsBundle widgetsBundle) {
+        return new WidgetsBundle(widgetsBundle);
+    }
+
+    @Override
+    public EntityType getEntityType() {
+        return EntityType.WIDGETS_BUNDLE;
+    }
+
+}