Default system images

application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java

@@ -324,6 +324,7 @@ public class ThingsboardInstallService {
 //                systemDataLoaderService.loadSystemPlugins();
 //                systemDataLoaderService.loadSystemRules();
                 installScripts.loadSystemLwm2mResources();
+                installScripts.createSystemImages();
 
                 if (loadDemo) {
                     log.info("Loading demo data...");

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

@@ -16,6 +16,7 @@
 package org.thingsboard.server.service.install;
 
 import com.fasterxml.jackson.databind.JsonNode;
+import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -57,6 +58,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.function.Function;
+import java.util.stream.Stream;
 
 import static org.thingsboard.server.utils.LwM2mObjectModelUtils.toLwm2mResource;
 
@@ -302,11 +304,28 @@ public class InstallScripts {
     public void updateImages() {
         imagesUpdater.updateWidgetsBundlesImages();
         imagesUpdater.updateWidgetTypesImages();
+        createSystemImages();
+
         imagesUpdater.updateDashboardsImages();
         imagesUpdater.updateDeviceProfilesImages();
         imagesUpdater.updateAssetProfilesImages();
     }
 
+    @SneakyThrows
+    public void createSystemImages() {
+        Stream<Path> dashboardsFiles = Files.list(Paths.get(getDataDir(), JSON_DIR, DEMO_DIR, DASHBOARDS_DIR));
+        try (dashboardsFiles) {
+            dashboardsFiles.forEach(file -> {
+                try {
+                    Dashboard dashboard = JacksonUtil.OBJECT_MAPPER.readValue(file.toFile(), Dashboard.class);
+                    imagesUpdater.createSystemImages(dashboard);
+                } catch (Exception e) {
+                    log.error("Failed to create system images for default dashboard {}", file.getFileName(), e);
+                }
+            });
+        }
+    }
+
     public void loadDashboards(TenantId tenantId, CustomerId customerId) throws Exception {
         Path dashboardsDir = Paths.get(getDataDir(), JSON_DIR, DEMO_DIR, DASHBOARDS_DIR);
         loadDashboardsFromDir(tenantId, customerId, dashboardsDir);

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

@@ -18,6 +18,7 @@ package org.thingsboard.server.service.install.update;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
+import org.thingsboard.server.common.data.Dashboard;
 import org.thingsboard.server.common.data.HasImage;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -62,6 +63,14 @@ public class ImagesUpdater {
         updateImages(dashboardsIds, "dashboard", imageService::replaceBase64WithImageUrl, dashboardDao);
     }
 
+    public void createSystemImages(Dashboard defaultDashboard) {
+        defaultDashboard.setTenantId(TenantId.SYS_TENANT_ID);
+        boolean created = imageService.replaceBase64WithImageUrl(defaultDashboard);
+        if (created) {
+            log.info("Created system images for default dashboard '{}'", defaultDashboard.getTitle());
+        }
+    }
+
     public void updateDeviceProfilesImages() {
         log.info("Updating device profiles images...");
         var deviceProfiles = new PageDataIterable<>(deviceProfileDao::findAll, 256);