Properly check prior instance/vmm states when starting an instance#6278
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Fix the following instance start dispositions: - an instance with no active VMM can only be started if it's in the "NoVmm" instance state - an instance with a migrating active VMM has been started, so allow start to succeed for idempotency - an instance with a SagaUnwound active VMM is allowed to be started again (the new start saga's VMM supplants the old VMM) Add some unit tests to cover these cases.
hawkw
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Aug 9, 2024
hawkw
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This makes @gjcolombo's change from #6278 a bit more consistent with the rest of the code, and in particular, ensures that we always present the user with the same instance state names. It also addresses the `SagaUnwound` behavior Greg pointed out in [this comment][1]. [1]: #5749 (comment)
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Fix the following instance start dispositions:
Add some unit tests to cover these cases.
Fixes #6274.