octavia/add-jobboard-based-controller-599279c7cc172e955.yaml at 815a283823121d563562474eb9048673a95f6e1f - octavia - OpenDev: Free Software Needs Free Tools

openstack/octavia

Ann Taraday 9c13499d21 Jobboard based controller

Introduce TaskFlowServiceController which uses taskflow
jobboard feature and saves jobs info into persistence backend.

Jobboard could be operated via RedisTaskFlowDriver or
ZookeeperTaskFlowDriver, that could be set via the config.
RedisTaskFlowDriver is intoduced as default backend for jobboard.
Usage of jobboard allows to resume jobs in case of restart/stop
of Octavia controller services.

Persistence backend saves state of flow tasks that required in
case of resuming job. SQLAlchemy backend is used here.

Bump taskflow version to 3.7.1 and add dependency to
SQLAlchemy-Utils (required for taskflow sqlalchemy
backend support).

Story: 2005072
Task: 30806
Task: 30816
Task: 30817

Change-Id: I92ee4e879e98e4718d2e9aba56486341223a9157

2020-04-08 19:53:09 +04:00

8 lines

295 B

YAML

Raw Blame History

 ---
 features:
   - |
     Operators can now use the amphorav2 provider which uses jobboard-based
     controller. A jobboard controller solves the issue with resources stuck in
     PENDING_* states by writing info about task states in persistent backend
     and monitoring job claims via jobboard.