** Changed in: nova/ussuri
Status: Fix Committed => Fix Released
** Changed in: nova/victoria
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1901120
Title:
ResourceProviderUpdateFailed when total available resource is 0
Status in OpenStack Compute (nova):
Fix Released
Status in OpenStack Compute (nova) ussuri series:
Fix Released
Status in OpenStack Compute (nova) victoria series:
Fix Released
Bug description:
This got reported downstream [1] where if a compute node has no
available (zero) inventory for a resource class, the libvirt driver
attempts to PUT the 'total' inventory of the resource as 0 and the
placement API does not allow it. To represent a 'total' of 0 in
placement for a resource, one must omit that resource from the PUT
request instead of trying to set it to zero.
The following traceback is emitted when an attempt to update 'total'
inventory to 0 occurs:
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager
nova.exception.ResourceProviderUpdateFailed: Failed to update resource provider
via URL /resource_providers/5812a7ab-f8e7-4c57-aba8-f283fedfd04b/inventories:
{"errors": [{"status": 400, "title": "Bad Request", "detail": "The server could
not comply with the request since it is either malformed or otherwise
incorrect.\n\n JSON does not validate: 0 is less than the minimum of 1 Failed
validating 'minimum' in
schema['properties']['inventories']['patternProperties']['^[A-Z0-9_]+$']['properties']['total']:
{'maximum': 2147483647, 'minimum': 1, 'type': 'integer'} On
instance['inventories']['DISK_GB']['total']: 0 ", "code":
"placement.undefined_code", "request_id":
"req-7fc88053-8e43-4c18-9810-73ad05c3a993"}]}
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager During handling of the
above exception, another exception occurred:
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager Traceback (most recent
call last):
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/nova/compute/manager.py", line 8740, in
_update_available_resource_for_node
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager startup=startup)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/nova/compute/resource_tracker.py", line 887,
in update_available_resource
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager
self._update_available_resource(context, resources, startup=startup)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/oslo_concurrency/lockutils.py", line 328, in
inner
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager return f(*args,
**kwargs)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/nova/compute/resource_tracker.py", line 972,
in _update_available_resource
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager
self._update(context, cn, startup=startup)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/nova/compute/resource_tracker.py", line 1237,
in _update
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager
self._update_to_placement(context, compute_node, startup)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/retrying.py", line 68, in wrapped_f
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager return
Retrying(*dargs, **dkw).call(f, *args, **kw)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/retrying.py", line 223, in call
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager return
attempt.get(self._wrap_exception)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/retrying.py", line 261, in get
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager
six.reraise(self.value[0], self.value[1], self.value[2])
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/six.py", line 693, in reraise
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager raise value
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/retrying.py", line 217, in call
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager attempt =
Attempt(fn(*args, **kwargs), attempt_number, False)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/nova/compute/resource_tracker.py", line 1215,
in _update_to_placement
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager allocations=allocs)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/nova/scheduler/client/report.py", line 1421,
in update_from_provider_tree
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager
self.set_traits_for_provider(context, pd.uuid, pd.traits)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib64/python3.6/contextlib.py", line 99, in __exit__
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager self.gen.throw(type,
value, traceback)
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager File
"/usr/lib/python3.6/site-packages/nova/scheduler/client/report.py", line 1341,
in catch_all
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager raise
exception.ResourceProviderSyncFailed()
2020-10-20 11:32:45.484 7 ERROR nova.compute.manager
nova.exception.ResourceProviderSyncFailed: Failed to synchronize the placement
service with resource provider information supplied by the compute host.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1889723
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