title: Cannot access data source of elasticsearch using grafana cloud
body: <p>I'm using grafana cloud for creating visualization but when i'm trying to load the data source with elasticsearch i'm getting 502 error.
  <a href="https://i.stack.imgur.com/fmX0U.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/fmX0U.png" alt="502 Error"></a></p>