EDQS: introduce API auto-enable option

application/src/main/java/org/thingsboard/server/service/edqs/DefaultEdqsApiService.java

@@ -22,6 +22,7 @@ import jakarta.annotation.PostConstruct;
 import jakarta.annotation.PreDestroy;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
 import org.springframework.stereotype.Service;
 import org.thingsboard.common.util.JacksonUtil;
@@ -43,13 +44,16 @@ import java.util.UUID;
 @Service
 @Slf4j
 @RequiredArgsConstructor
-@ConditionalOnExpression("'${queue.edqs.api_enabled:true}' == 'true' && ('${service.type:null}' == 'monolith' || '${service.type:null}' == 'tb-core')")
+@ConditionalOnExpression("'${queue.edqs.api.supported:true}' == 'true' && ('${service.type:null}' == 'monolith' || '${service.type:null}' == 'tb-core')")
 public class DefaultEdqsApiService implements EdqsApiService {
 
     private final EdqsPartitionService edqsPartitionService;
     private final EdqsClientQueueFactory queueFactory;
     private TbQueueRequestTemplate<TbProtoQueueMsg<ToEdqsMsg>, TbProtoQueueMsg<FromEdqsMsg>> requestTemplate;
 
+    @Value("${queue.edqs.api.auto_enable:true}")
+    private boolean autoEnable;
+
     private Boolean apiEnabled = null;
 
     @PostConstruct
@@ -100,6 +104,11 @@ public class DefaultEdqsApiService implements EdqsApiService {
         return true;
     }
 
+    @Override
+    public boolean isAutoEnable() {
+        return autoEnable;
+    }
+
     @PreDestroy
     private void stop() {
         requestTemplate.stop();

application/src/main/java/org/thingsboard/server/service/edqs/DefaultEdqsService.java

@@ -118,7 +118,7 @@ public class DefaultEdqsService implements EdqsService {
                                 .syncRequest(new EdqsSyncRequest())
                                 .build());
                     }
-                } else if (edqsApiService.isSupported()) {
+                } else if (edqsApiService.isSupported() && edqsApiService.isAutoEnable()) {
                     // only if topic/RocksDB is not empty and sync is finished
                     edqsApiService.setEnabled(true);
                 }
@@ -159,10 +159,14 @@ public class DefaultEdqsService implements EdqsService {
                         edqsSyncService.sync();
                         saveSyncState(EdqsSyncStatus.FINISHED);
 
-                        if (edqsApiService.isSupported()) {
+                        if (edqsApiService.isSupported())
+                            if (edqsApiService.isAutoEnable()) {
+                                log.info("EDQS sync is finished, auto-enabling API");
                                 broadcast(ToCoreEdqsMsg.builder()
                                         .apiEnabled(Boolean.TRUE)
                                         .build());
+                            } else {
+                                log.info("EDQS sync is finished, but leaving API disabled");
                             }
                     } catch (Exception e) {
                         log.error("Failed to complete sync", e);

application/src/main/resources/thingsboard.yml

@@ -1731,8 +1731,11 @@ queue:
       entity_batch_size: "${TB_EDQS_SYNC_ENTITY_BATCH_SIZE:10000}"
       # Batch size of timeseries data being synced with EDQS
       ts_batch_size: "${TB_EDQS_SYNC_TS_BATCH_SIZE:10000}"
+    api:
       # Whether to forward entity data query requests to EDQS (otherwise use PostgreSQL implementation)
-    api_enabled: "${TB_EDQS_API_ENABLED:false}"
+      supported: "${TB_EDQS_API_SUPPORTED:false}"
+      # Whether to auto-enable EDQS API (if queue.edqs.api.supported is true) when sync of data to Kafka is finished 
+      auto_enable: "${TB_EDQS_API_AUTO_ENABLE:true}"
     # Mode of EDQS: local (for monolith) or remote (with separate EDQS microservices)
     mode: "${TB_EDQS_MODE:local}"
     local:

application/src/test/java/org/thingsboard/server/controller/EdqsEntityQueryControllerTest.java

@@ -37,7 +37,8 @@ import static org.awaitility.Awaitility.await;
 //        "queue.type=kafka", // uncomment to use Kafka
 //        "queue.kafka.bootstrap.servers=10.7.1.254:9092",
         "queue.edqs.sync.enabled=true",
-        "queue.edqs.api_enabled=true",
+        "queue.edqs.api.supported=true",
+        "queue.edqs.api.auto_enable=true",
         "queue.edqs.mode=local"
 })
 public class EdqsEntityQueryControllerTest extends EntityQueryControllerTest {

application/src/test/java/org/thingsboard/server/service/entitiy/EdqsEntityServiceTest.java

@@ -51,7 +51,8 @@ import static org.awaitility.Awaitility.await;
 @DaoSqlTest
 @TestPropertySource(properties = {
         "queue.edqs.sync.enabled=true",
-        "queue.edqs.api_enabled=true",
+        "queue.edqs.api.supported=true",
+        "queue.edqs.api.auto_enable=true",
         "queue.edqs.mode=local"
 })
 public class EdqsEntityServiceTest extends EntityServiceTest {

application/src/test/resources/application-test.properties

@@ -60,4 +60,4 @@ server.log_controller_error_stack_trace=false
 transport.gateway.dashboard.sync.enabled=false
 
 queue.edqs.sync.enabled=false
-queue.edqs.api_enabled=false
+queue.edqs.api.supported=false

common/message/src/main/java/org/thingsboard/server/common/msg/edqs/EdqsApiService.java

@@ -31,4 +31,6 @@ public interface EdqsApiService {
 
     boolean isSupported();
 
+    boolean isAutoEnable();
+
 }

dao/src/main/java/org/thingsboard/server/dao/sql/query/DummyEdqsApiService.java

@@ -50,4 +50,9 @@ public class DummyEdqsApiService implements EdqsApiService {
         return false;
     }
 
+    @Override
+    public boolean isAutoEnable() {
+        return false;
+    }
+
 }

docker/tb-core-edqs.env

@@ -2,4 +2,4 @@
 
 TB_EDQS_MODE=remote
 TB_EDQS_SYNC_ENABLED=true
-TB_EDQS_API_ENABLED=true
+TB_EDQS_API_SUPPORTED=true