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This PR updates the
juju/worker
dependency tov3
so that a new APIWaitWorker
can be used.The first commit is the dependency update. The second commit are the functional changes to Juju.
Basically, when a worker is stopped and the same named worker may need to be started again with a different config, the
WaitWorker
api needs to be called first to ensure the previously stopped worker is fully terminated in the runner.A new helper function
ReplaceStoppedWorker
is added to wrap the calls to Wait and Run.QA steps
The issue showed up in unit tests - it is very intermittent.
I did a regression test by deploying a cmr relation and adding/removing offers / saas.
I also deployed, removed, and deployed a k8s charm.
Bug reference
https://bugs.launchpad.net/juju/+bug/1945999