[Alerting UI] Disable "Save" button for Alerts with broken Connectors

x-pack/plugins/triggers_actions_ui/public/application/sections/action_connector_form/action_form.test.tsx

@@ -114,7 +114,7 @@ describe('action_form', () => {
   describe('action_form in alert', () => {
     let wrapper: ReactWrapper<any>;
 
-    async function setup() {
+    async function setup(customActions?: AlertAction[]) {
       const { loadAllActions } = jest.requireMock('../../lib/action_connector_api');
       loadAllActions.mockResolvedValueOnce([
         {
@@ -177,6 +177,7 @@ describe('action_form', () => {
             show: true,
           },
         },
+        setHasActionsWithBrokenConnector: jest.fn(),
         actionTypeRegistry: actionTypeRegistry as any,
         docLinks: { ELASTIC_WEBSITE_URL: '', DOC_LINK_VERSION: '' },
       };
@@ -198,16 +199,18 @@ describe('action_form', () => {
         schedule: {
           interval: '1m',
         },
-        actions: [
-          {
-            group: 'default',
-            id: 'test',
-            actionTypeId: actionType.id,
-            params: {
-              message: '',
-            },
-          },
-        ],
+        actions: customActions
+          ? customActions
+          : [
+              {
+                group: 'default',
+                id: 'test',
+                actionTypeId: actionType.id,
+                params: {
+                  message: '',
+                },
+              },
+            ],
         tags: [],
         muteAll: false,
         enabled: false,
@@ -229,6 +232,7 @@ describe('action_form', () => {
           setActionParamsProperty={(key: string, value: any, index: number) =>
             (initialAlert.actions[index] = { ...initialAlert.actions[index], [key]: value })
           }
+          setHasActionsWithBrokenConnector={deps!.setHasActionsWithBrokenConnector}
           http={deps!.http}
           actionTypeRegistry={deps!.actionTypeRegistry}
           defaultActionMessage={'Alert [{{ctx.metadata.name}}] has exceeded the threshold'}
@@ -306,6 +310,7 @@ describe('action_form', () => {
           .find(`EuiToolTip [data-test-subj="${actionType.id}-ActionTypeSelectOption"]`)
           .exists()
       ).toBeFalsy();
+      expect(deps.setHasActionsWithBrokenConnector).toHaveBeenLastCalledWith(false);
     });
 
     it('does not render action types disabled by config', async () => {
@@ -392,5 +397,27 @@ describe('action_form', () => {
       );
       expect(actionOption.exists()).toBeFalsy();
     });
+
+    it('recognizes actions with broken connectors', async () => {
+      await setup([
+        {
+          group: 'default',
+          id: 'test',
+          actionTypeId: actionType.id,
+          params: {
+            message: '',
+          },
+        },
+        {
+          group: 'default',
+          id: 'connector-doesnt-exist',
+          actionTypeId: actionType.id,
+          params: {
+            message: 'broken',
+          },
+        },
+      ]);
+      expect(deps.setHasActionsWithBrokenConnector).toHaveBeenLastCalledWith(true);
+    });
   });
 });

x-pack/plugins/triggers_actions_ui/public/application/sections/action_connector_form/action_form.tsx

@@ -62,6 +62,7 @@ interface ActionAccordionFormProps {
   messageVariables?: ActionVariable[];
   defaultActionMessage?: string;
   setHasActionsDisabled?: (value: boolean) => void;
+  setHasActionsWithBrokenConnector?: (value: boolean) => void;
   capabilities: ApplicationStart['capabilities'];
 }
 
@@ -83,6 +84,7 @@ export const ActionForm = ({
   defaultActionMessage,
   toastNotifications,
   setHasActionsDisabled,
+  setHasActionsWithBrokenConnector,
   capabilities,
   docLinks,
 }: ActionAccordionFormProps) => {
@@ -171,6 +173,16 @@ export const ActionForm = ({
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [connectors, actionTypesIndex]);
 
+  useEffect(() => {
+    const hasActionWithBrokenConnector = actions.some(
+      (action) => !connectors.find((connector) => connector.id === action.id)
+    );
+    if (setHasActionsWithBrokenConnector) {
+      setHasActionsWithBrokenConnector(hasActionWithBrokenConnector);
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [actions, connectors]);
+
   const preconfiguredMessage = i18n.translate(
     'xpack.triggersActionsUI.sections.actionForm.preconfiguredTitleMessage',
     {

x-pack/plugins/triggers_actions_ui/public/application/sections/alert_form/alert_edit.tsx

@@ -38,6 +38,9 @@ export const AlertEdit = ({ initialAlert, onClose }: AlertEditProps) => {
   const [{ alert }, dispatch] = useReducer(alertReducer, { alert: initialAlert });
   const [isSaving, setIsSaving] = useState<boolean>(false);
   const [hasActionsDisabled, setHasActionsDisabled] = useState<boolean>(false);
+  const [hasActionsWithBrokenConnector, setHasActionsWithBrokenConnector] = useState<boolean>(
+    false
+  );
   const setAlert = (key: string, value: any) => {
     dispatch({ command: { type: 'setAlert' }, payload: { key, value } });
   };
@@ -155,6 +158,7 @@ export const AlertEdit = ({ initialAlert, onClose }: AlertEditProps) => {
               errors={errors}
               canChangeTrigger={false}
               setHasActionsDisabled={setHasActionsDisabled}
+              setHasActionsWithBrokenConnector={setHasActionsWithBrokenConnector}
               operation="i18n.translate('xpack.triggersActionsUI.sections.alertEdit.operationName', {
                 defaultMessage: 'edit',
               })"
@@ -176,7 +180,7 @@ export const AlertEdit = ({ initialAlert, onClose }: AlertEditProps) => {
                   data-test-subj="saveEditedAlertButton"
                   type="submit"
                   iconType="check"
-                  isDisabled={hasErrors || hasActionErrors}
+                  isDisabled={hasErrors || hasActionErrors || hasActionsWithBrokenConnector}
                   isLoading={isSaving}
                   onClick={async () => {
                     setIsSaving(true);

x-pack/plugins/triggers_actions_ui/public/application/sections/alert_form/alert_form.tsx

@@ -81,6 +81,7 @@ interface AlertFormProps {
   errors: IErrorObject;
   canChangeTrigger?: boolean; // to hide Change trigger button
   setHasActionsDisabled?: (value: boolean) => void;
+  setHasActionsWithBrokenConnector?: (value: boolean) => void;
   operation: string;
 }
 
@@ -90,6 +91,7 @@ export const AlertForm = ({
   dispatch,
   errors,
   setHasActionsDisabled,
+  setHasActionsWithBrokenConnector,
   operation,
 }: AlertFormProps) => {
   const alertsContext = useAlertsContext();
@@ -260,6 +262,7 @@ export const AlertForm = ({
         <ActionForm
           actions={alert.actions}
           setHasActionsDisabled={setHasActionsDisabled}
+          setHasActionsWithBrokenConnector={setHasActionsWithBrokenConnector}
           messageVariables={
             alertTypesIndex && alertTypesIndex.has(alert.alertTypeId)
               ? actionVariablesFromAlertType(alertTypesIndex.get(alert.alertTypeId)!).sort((a, b) =>