** Changed in: nova
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1246181
Title:
instance going to running deleted because of race condition between
soft reboot and terminate
Status in OpenStack Compute (Nova):
Invalid
Bug description:
I have added a fixme while I fixing the bug #1111213 Instance can not be
deleted after soft reboot,
the situation occurs recently in our test env of Havana, so I want to fix the
remaining issue here.
the fixme comment is located at
nova/virt/libvirt/driver.py:LibvirtDriver._cleanup()
# FIXME(wangpan): if the instance is booted again here, such as the
# the soft reboot operation boot it here, it will
# become "running deleted", should we check and destroy
# it at the end of this method?
the race condition is that, if we soft reboot an instance, and then
terminate it, then the instance may wait for shutdown status in the
'reboot' thread, and if the 'terminate' thread destroy the
instance(but not delete the instance disk files), the instance may be
started by 'reboot' thread again, and then it becomes to a running
deleted one.
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