Why

see https://trello.com/c/iKnBCqFQ/105-as-a-developer-using-self-signed-certs-i-want-a-clear-warning-notification-on-app-startup-if-certs-are-not-installed-on-device-s

What

On app start, we can get the cluster url from the configuration and try connect to it. If we get an exception about the certificate says that the cert can not be trusted, we should capture the exception and display an error message as described in the card