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
Change-Id: I5fc4b3e8193232379a6aa2b6cc4ef6457f0a6ef1
Change-Id: I699e0ab082657880998d8618fe29eb7f56c6c661