24dfc7440d
Add support for the metrics-endpoint relation. This allows relating ceph-mon to prometheus-k8s which is being used in the COS Lite observability stack. Upon relation, the ceph prometheus module will be enabled and a corresponding scrape job configured for prometheus-k8s. Drive-by test improvement for the utils module Change-Id: Iaeee57aaa6f3678fdaef35f2582b4b4c974acb2a