From f37d9bf13a90cc01f5d79cb58de8787d2824af6d Mon Sep 17 00:00:00 2001
From: "Grot (@grafanabot)" <43478413+grafanabot@users.noreply.github.com>
Date: Thu, 27 May 2021 12:11:40 +0100
Subject: [PATCH] check if alertmanager being configured is cortex or vanilla
 (#34726) (#34813)

(cherry picked from commit 5660bb585f99e864f87c91b47ddd77740ec1520a)

Co-authored-by: Domas <domasx2@gmail.com>
---
 .../app/plugins/datasource/alertmanager/ConfigEditor.tsx | 5 ++++-
 public/app/plugins/datasource/alertmanager/DataSource.ts | 9 ++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/public/app/plugins/datasource/alertmanager/ConfigEditor.tsx b/public/app/plugins/datasource/alertmanager/ConfigEditor.tsx
index aa847c491a9..ecdec24025e 100644
--- a/public/app/plugins/datasource/alertmanager/ConfigEditor.tsx
+++ b/public/app/plugins/datasource/alertmanager/ConfigEditor.tsx
@@ -1,5 +1,5 @@
 import { DataSourcePluginOptionsEditorProps } from '@grafana/data';
-import { DataSourceHttpSettings } from '@grafana/ui';
+import { Alert, DataSourceHttpSettings } from '@grafana/ui';
 import React from 'react';
 
 export type Props = DataSourcePluginOptionsEditorProps;
@@ -7,6 +7,9 @@ export type Props = DataSourcePluginOptionsEditorProps;
 export const ConfigEditor: React.FC<Props> = ({ options, onOptionsChange }) => {
   return (
     <>
+      <Alert severity="info" title="Only Cortex alertmanager is supported">
+        Note that only Cortex implementation of alert manager is supported at this time.
+      </Alert>
       <DataSourceHttpSettings
         defaultUrl={''}
         dataSourceConfig={options}
diff --git a/public/app/plugins/datasource/alertmanager/DataSource.ts b/public/app/plugins/datasource/alertmanager/DataSource.ts
index f49199e6e39..85594d2713f 100644
--- a/public/app/plugins/datasource/alertmanager/DataSource.ts
+++ b/public/app/plugins/datasource/alertmanager/DataSource.ts
@@ -44,12 +44,19 @@ export class AlertManagerDatasource extends DataSourceApi<AlertManagerQuery> {
 
     try {
       alertmanagerResponse = await this._request('/api/v2/status');
+      if (alertmanagerResponse && alertmanagerResponse?.status === 200) {
+        return {
+          status: 'error',
+          message:
+            'Only Cortex alert manager implementation is supported. A URL to cortex instance should be provided.',
+        };
+      }
     } catch (e) {}
     try {
       cortexAlertmanagerResponse = await this._request('/alertmanager/api/v2/status');
     } catch (e) {}
 
-    return alertmanagerResponse?.status === 200 || cortexAlertmanagerResponse?.status === 200
+    return cortexAlertmanagerResponse?.status === 200
       ? {
           status: 'success',
           message: 'Health check passed.',