Github user swill commented on the pull request:
https://github.com/apache/cloudstack/pull/1539#issuecomment-218654451
Sorry for the delay getting to this. I think this probably works in all
cases, but I suspect it will not clean up correctly always. Because this was
working sometimes and failing sometimes, I believe that means that the cleanup
of `account` does not always clean up the snapshots (otherwise it would have
never worked).
I think the code should be like this to make sure it cleans up everything
up and does not fail.
```
cls._cleanup = [
cls.snapshot_1,
cls.snapshot_2,
cls.snapshot_3,
cls.disk_offering,
cls.account,
cls.service_offering
]
```
Does this make sense to you guys? This way it will remove the snapshots
first and then it will clean up everything else. I could be wrong, but since
the current code ever worked, I think this guarantees that the cleanup of
everything will happen and the `account` won't error when it tries to clean up.
I guess if the account keeps a reference to the snapshot after it is deleted,
that could cause the account deletion to fail. Feedback please...
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