Make watcher use graduated oslo lib

Registered by Zhenyu Zheng

Watcher now uses lib from watcher.openstack.common, many of them are way outdated. We should modify them to use the graduated oslo lib, by doing this, it can intergrate better with other openstack components.

Blueprint information

Status:
Complete
Approver:
Antoine Cabot
Priority:
Medium
Drafter:
Zhenyu Zheng
Direction:
Approved
Assignee:
Zhenyu Zheng
Definition:
Approved
Series goal:
Accepted for mitaka
Implementation:
Implemented
Milestone target:
milestone icon mitaka-1
Started by
Antoine Cabot
Completed by
Antoine Cabot

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