In current implementation is not easy to use ceilometer.
Watcher must query metrics from the Telemetry v2 API to allow an easiest integration with OpenStack components (especially devstack).
blueprint telemetry-integration
Change-Id: Ide515472f1d160925d9f4aabf48c96dea4f6bc05
As the openstack/common is deprecated, Watcher should use oslo lib
directly to run in the openstack env. So there is much work to do
with oslo. This patch fixed the log part.
Change-Id: I3145a842fe3a22b3d08fec60d180329073edd50f