cherry-pick from 2.5.5

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

@@ -126,6 +126,7 @@ public class AlarmController extends BaseController {
             long ackTs = System.currentTimeMillis();
             alarmService.ackAlarm(getCurrentUser().getTenantId(), alarmId, ackTs).get();
             alarm.setAckTs(ackTs);
+            alarm.setStatus(alarm.getStatus().isCleared() ? AlarmStatus.CLEARED_ACK : AlarmStatus.ACTIVE_ACK);
             logEntityAction(alarm.getOriginator(), alarm, getCurrentUser().getCustomerId(), ActionType.ALARM_ACK, null);
         } catch (Exception e) {
             throw handleException(e);
@@ -143,6 +144,7 @@ public class AlarmController extends BaseController {
             long clearTs = System.currentTimeMillis();
             alarmService.clearAlarm(getCurrentUser().getTenantId(), alarmId, null, clearTs).get();
             alarm.setClearTs(clearTs);
+            alarm.setStatus(alarm.getStatus().isAck() ? AlarmStatus.CLEARED_ACK : AlarmStatus.CLEARED_UNACK);
             logEntityAction(alarm.getOriginator(), alarm, getCurrentUser().getCustomerId(), ActionType.ALARM_CLEAR, null);
         } catch (Exception e) {
             throw handleException(e);

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbAbstractAlarmNode.java

@@ -62,7 +62,7 @@ public abstract class TbAbstractAlarmNode<C extends TbAbstractAlarmNodeConfigura
                     } else if (alarmResult.isUpdated) {
                         tellNext(ctx, msg, alarmResult, DataConstants.ENTITY_UPDATED, "Updated");
                     } else if (alarmResult.isCleared) {
-                        tellNext(ctx, msg, alarmResult, DataConstants.ENTITY_UPDATED, "Cleared");
+                        tellNext(ctx, msg, alarmResult, DataConstants.ALARM_CLEAR, "Cleared");
                     } else {
                         ctx.tellSuccess(msg);
                     }