Add SLACK_INTEGRATION_MAINTENANCE env var (#1582)

# What this PR does
Add SLACK_INTEGRATION_MAINTENANCE env var to be able to disable slack
install/uninstall

engine/apps/api/views/auth.py

@@ -1,6 +1,7 @@
 import logging
 from urllib.parse import urljoin
 
+from django.conf import settings
 from django.contrib.auth import REDIRECT_FIELD_NAME
 from django.http import HttpResponseRedirect
 from django.views.decorators.cache import never_cache
@@ -25,6 +26,11 @@ def overridden_login_slack_auth(request, backend):
     # We can't just redirect frontend here because we need to make a API call and pass tokens to this view from JS.
     # So frontend can't follow our redirect.
     # So wrapping and returning URL to redirect as a string.
+    if settings.SLACK_INTEGRATION_MAINTENANCE_ENABLED:
+        return Response(
+            "Grafana OnCall is temporary unable to connect your slack account or install OnCall to your slack workspace",
+            status=400,
+        )
     url_to_redirect_to = do_auth(request.backend, redirect_name=REDIRECT_FIELD_NAME).url
 
     return Response(url_to_redirect_to, 200)

engine/apps/slack/views.py

@@ -540,20 +540,25 @@ class ResetSlackView(APIView):
     }
 
     def post(self, request):
-        organization = request.auth.organization
-        slack_team_identity = organization.slack_team_identity
-        if slack_team_identity is not None:
-            clean_slack_integration_leftovers.apply_async((organization.pk,))
-            if settings.FEATURE_MULTIREGION_ENABLED:
-                delete_slack_connector_async.apply_async((slack_team_identity.slack_id,))
-            write_chatops_insight_log(
-                author=request.user,
-                event_name=ChatOpsEvent.WORKSPACE_DISCONNECTED,
-                chatops_type=ChatOpsType.SLACK,
+        if settings.SLACK_INTEGRATION_MAINTENANCE_ENABLED:
+            response = Response(
+                "Grafana OnCall is temporary unable to connect your slack account or install OnCall to your slack workspace",
+                status=400,
             )
-            unpopulate_slack_user_identities(organization.pk, True)
-            response = Response(status=200)
         else:
-            response = Response(status=400)
-
+            organization = request.auth.organization
+            slack_team_identity = organization.slack_team_identity
+            if slack_team_identity is not None:
+                clean_slack_integration_leftovers.apply_async((organization.pk,))
+                if settings.FEATURE_MULTIREGION_ENABLED:
+                    delete_slack_connector_async.apply_async((slack_team_identity.slack_id,))
+                write_chatops_insight_log(
+                    author=request.user,
+                    event_name=ChatOpsEvent.WORKSPACE_DISCONNECTED,
+                    chatops_type=ChatOpsType.SLACK,
+                )
+                unpopulate_slack_user_identities(organization.pk, True)
+                response = Response(status=200)
+            else:
+                response = Response(status=400)
         return response

engine/settings/base.py

@@ -517,6 +517,9 @@ class BrokerTypes:
 SLACK_SLASH_COMMAND_NAME = os.environ.get("SLACK_SLASH_COMMAND_NAME", "/oncall")
 SLACK_DIRECT_PAGING_SLASH_COMMAND = os.environ.get("SLACK_DIRECT_PAGING_SLASH_COMMAND", "/escalate")
 
+# Controls if slack integration can be installed/uninstalled.
+SLACK_INTEGRATION_MAINTENANCE_ENABLED = os.environ.get("SLACK_INTEGRATION_MAINTENANCE_ENABLED", False)
+
 SOCIAL_AUTH_SLACK_LOGIN_KEY = SLACK_CLIENT_OAUTH_ID
 SOCIAL_AUTH_SLACK_LOGIN_SECRET = SLACK_CLIENT_OAUTH_SECRET
 

grafana-plugin/src/pages/settings/tabs/ChatOps/tabs/SlackSettings/SlackSettings.tsx

@@ -17,6 +17,7 @@ import { SlackChannel } from 'models/slack_channel/slack_channel.types';
 import { AppFeature } from 'state/features';
 import { WithStoreProps } from 'state/types';
 import { withMobXProviderContext } from 'state/withStore';
+import { showApiError } from 'utils';
 import { UserActions } from 'utils/authorization';
 import { DOCS_SLACK_SETUP } from 'utils/consts';
 
@@ -49,7 +50,7 @@ class SlackSettings extends Component<SlackProps, SlackState> {
 
   handleOpenSlackInstructions = () => {
     const { store } = this.props;
-    store.slackStore.installSlackIntegration();
+    store.slackStore.installSlackIntegration().catch(showApiError);
   };
 
   update = () => {
@@ -213,9 +214,12 @@ class SlackSettings extends Component<SlackProps, SlackState> {
 
   removeSlackIntegration = () => {
     const { store } = this.props;
-    store.slackStore.removeSlackIntegration().then(() => {
-      store.teamStore.loadCurrentTeam();
-    });
+    store.slackStore
+      .removeSlackIntegration()
+      .then(() => {
+        store.teamStore.loadCurrentTeam();
+      })
+      .catch(showApiError);
   };
 
   getSlackSettingsChangeHandler = (field: string) => {