test_ceph_metrics_available - verify why no RGW metrics on provider mode, compact mode and proxy deployments

[DanielOsypenko]

proxy rp - https://url.corp.redhat.com/1959e15
compact mode - https://url.corp.redhat.com/421fc62
provider mode - https://url.corp.redhat.com/2018464

E       AssertionError: OCS Monitoring should provide some value(s) for all tested metrics, so that the list of metrics without results is empty.
E       assert ['ceph_rgw_pu...w_get_b', ...] == []
E         Left contains 8 more items, first extra item: 'ceph_rgw_put'
E         Full diff:
E           [
E         -  ,
E         +  'ceph_rgw_put',
E         +  'ceph_rgw_put_initial_lat_sum',
E         +  'ceph_rgw_put_initial_lat_count',
E         +  'ceph_rgw_get_initial_lat_sum',
E         +  'ceph_rgw_get_initial_lat_count',
E         +  'ceph_rgw_get_b',
E         +  'ceph_rgw_get',
E         +  'ceph_rgw_put_b',
E           ]

[DanielOsypenko]

MSG from Arun:

ceph_rgw_* metrics will be populated only when we have objects populated/stored in (Ceph Object Storage) supported gateways (like S3 etc)
Got some info from this link: the link
Please go through it and it has a section about testing, please check