grpc: added config service actions and update the gui to leverage them as the default for node context menus of running nodes

daemon/core/api/grpc/client.py

@@ -810,6 +810,30 @@ class CoreGrpcClient:
         response = self.stub.ServiceAction(request)
         return response.result
 
+    def config_service_action(
+        self,
+        session_id: int,
+        node_id: int,
+        service: str,
+        action: wrappers.ServiceAction,
+    ) -> bool:
+        """
+        Send an action to a config service for a node.
+
+        :param session_id: session id
+        :param node_id: node id
+        :param service: config service name
+        :param action: action for service (start, stop, restart,
+            validate)
+        :return: True for success, False otherwise
+        :raises grpc.RpcError: when session or node doesn't exist
+        """
+        request = ServiceActionRequest(
+            session_id=session_id, node_id=node_id, service=service, action=action.value
+        )
+        response = self.stub.ConfigServiceAction(request)
+        return response.result
+
     def get_wlan_config(
         self, session_id: int, node_id: int
     ) -> Dict[str, wrappers.ConfigOption]:

daemon/core/api/grpc/server.py

@@ -72,6 +72,7 @@ from core.api.grpc.wlan_pb2 import (
     WlanLinkRequest,
     WlanLinkResponse,
 )
+from core.configservice.base import ConfigServiceBootError
 from core.emane.modelmanager import EmaneModelManager
 from core.emulator.coreemu import CoreEmu
 from core.emulator.data import InterfaceData, LinkData, LinkOptions
@@ -986,6 +987,48 @@ class CoreGrpcServer(core_pb2_grpc.CoreApiServicer):
 
         return ServiceActionResponse(result=result)
 
+    def ConfigServiceAction(
+        self, request: ServiceActionRequest, context: ServicerContext
+    ) -> ServiceActionResponse:
+        """
+        Take action whether to start, stop, restart, validate the config service or
+        none of the above.
+
+        :param request: service action request
+        :param context: context object
+        :return: service action response about status of action
+        """
+        logger.debug("service action: %s", request)
+        session = self.get_session(request.session_id, context)
+        node = self.get_node(session, request.node_id, context, CoreNode)
+        service = node.config_services.get(request.service)
+        if not service:
+            context.abort(grpc.StatusCode.NOT_FOUND, "config service not found")
+        result = False
+        if request.action == ServiceAction.START:
+            try:
+                service.start()
+                result = True
+            except ConfigServiceBootError:
+                pass
+        elif request.action == ServiceAction.STOP:
+            service.stop()
+            result = True
+        elif request.action == ServiceAction.RESTART:
+            service.stop()
+            try:
+                service.start()
+                result = True
+            except ConfigServiceBootError:
+                pass
+        elif request.action == ServiceAction.VALIDATE:
+            try:
+                service.run_validation()
+                result = True
+            except ConfigServiceBootError:
+                pass
+        return ServiceActionResponse(result=result)
+
     def GetWlanConfig(
         self, request: GetWlanConfigRequest, context: ServicerContext
     ) -> GetWlanConfigResponse: