gitlab-ctl repmgr-check-master command has no output to let user know if node is master
When running su - gitlab-consul gitlab-ctl repmgr-check-master
on either the master or standby node, no output is given to let the user know if the node is a master or standby.
See https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/files/gitlab-ctl-commands-ee/repmgr.rb#L56 for code.