[Enhancement] Add http service to get service id in shared-data mode (backport #65816) (#65966)

Signed-off-by: xiangguangyxg <[email protected]>
Co-authored-by: xiangguangyxg <[email protected]>

Author: mergify[bot]

fe/fe-core/src/main/java/com/starrocks/http/HttpServer.java

@@ -60,6 +60,7 @@
 import com.starrocks.http.meta.MetaService.JournalIdAction;
 import com.starrocks.http.meta.MetaService.PutAction;
 import com.starrocks.http.meta.MetaService.RoleAction;
+import com.starrocks.http.meta.MetaService.ServiceIdAction;
 import com.starrocks.http.meta.MetaService.VersionAction;
 import com.starrocks.http.rest.BootstrapFinishAction;
 import com.starrocks.http.rest.CancelStreamLoadAction;
@@ -257,6 +258,7 @@ private void registerActions() throws IllegalArgException {
         CheckAction.registerAction(controller);
         DumpAction.registerAction(controller);
         DumpStarMgrAction.registerAction(controller);
+        ServiceIdAction.registerAction(controller);
         RoleAction.registerAction(controller);
 
         // external usage

fe/fe-core/src/main/java/com/starrocks/http/meta/MetaService.java

@@ -483,4 +483,40 @@ public void executeGet(BaseRequest request, BaseResponse response) {
             return;
         }
     }
+
+    public static class ServiceIdAction extends MetaBaseAction {
+
+        public ServiceIdAction(ActionController controller) {
+            super(controller);
+        }
+
+        public static void registerAction(ActionController controller)
+                throws IllegalArgException {
+            controller.registerHandler(HttpMethod.GET, "/service_id", new ServiceIdAction(controller));
+        }
+
+        @Override
+        public boolean needAdmin() {
+            return true;
+        }
+
+        @Override
+        protected boolean needCheckClientIsFe() {
+            return false;
+        }
+
+        @Override
+        public void executeGet(BaseRequest request, BaseResponse response) {
+            if (RunMode.getCurrentRunMode() != RunMode.SHARED_DATA) {
+                String str = "Current run mode " + RunMode.name() + " does not support service id.";
+                response.appendContent(str);
+                writeResponse(request, response, HttpResponseStatus.NOT_FOUND);
+            } else {
+                response.setContentType("application/json");
+                String serviceId = GlobalStateMgr.getCurrentState().getStarOSAgent().getRawServiceId();
+                response.appendContent("{\"service_id\": \"" + serviceId + "\"}");
+                writeResponse(request, response);
+            }
+        }
+    }
 }