Mike Tutkowski created CLOUDSTACK-9374:
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Summary: Replace timer.sleep in host-delete method to correct
timing problem
Key: CLOUDSTACK-9374
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9374
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Components: marvin
Affects Versions: 4.9.0
Environment: N/A
Reporter: Mike Tutkowski
Fix For: 4.9.0
In the base.py file, there is a Host class with a delete instance method.
This method first attempts to transition the host into the maintenance resource
state.
The first step in this process is to transition the host into the
prepare-for-maintenance resource state.
A while later, the host can be transitioned completely into the maintenance
resource state.
In an attempt to wait for this transition to occur, the delete method has a
timer.sleep(30) call.
The hope is that the host will have transitioned from the
prepare-for-maintenance resource state to the maintenance resource state within
30 seconds, but this does not always happen.
We should correct this problem by putting in logic to query the management
server for the resource state of the host. If it's in the expected state, move
on; else, sleep for a bit and try again (up to a certain limit).
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