Winstackers project has been retired
- https://review.opendev.org/c/openstack/governance/+/886880
this commit removes the content of oswin-tempest-plugin
deliverables of this project
Change-Id: I489d36a539cb943c1d7216390e469a471719a2cf
Ceilometer API was removed in Queens, meaning that test_metrics has
not way to validate the metrics collected by the ceilometer-polling
agent.
The metrics are instead sent and collected by Gnocchi.
This patch adds a Gnocchi client, and updates the test_metrics
to use this client properly.
Change-Id: Id999d758505de10abb356befb854736e1904f6ee