Public bug reported:
There's always KeyError exception when processing OverQuota in resize:
File "/usr/lib/python2.7/dist-packages/nova/compute/api.py", line 2697,
in resize
headroom = self._get_headroom(quotas, usages, deltas)
File "/usr/lib/python2.7/dist-packages/nova/compute/api.py", line 384, in
_get_headroom
hr = headroom['instances'] * deltas['ram']
KeyError: 'instances'
This is because "quotas" parameter in OverQuota argument only contains
"cores" and "ram" resources (quota difference for resize operation), but
_get_headroom method expects "instances" resource to be present.
test_resize_quota_exceeds_fails does not handle this situation, because
"quotas" used in this test is "{'resource': 0}" and does not trigger
this branch of code in _get_headroom.
** Affects: nova
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1545041
Title:
Error 500 on resize when hitting quota
Status in OpenStack Compute (nova):
New
Bug description:
There's always KeyError exception when processing OverQuota in resize:
File "/usr/lib/python2.7/dist-packages/nova/compute/api.py", line 2697,
in resize
headroom = self._get_headroom(quotas, usages, deltas)
File "/usr/lib/python2.7/dist-packages/nova/compute/api.py", line 384,
in _get_headroom
hr = headroom['instances'] * deltas['ram']
KeyError: 'instances'
This is because "quotas" parameter in OverQuota argument only contains
"cores" and "ram" resources (quota difference for resize operation),
but _get_headroom method expects "instances" resource to be present.
test_resize_quota_exceeds_fails does not handle this situation,
because "quotas" used in this test is "{'resource': 0}" and does not
trigger this branch of code in _get_headroom.
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https://bugs.launchpad.net/nova/+bug/1545041/+subscriptions
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