Public bug reported:
When nova used ironic driver， there was an exception which was always
logged in nova compute log fie periodically. The
update_available_resource method calls the _get_host_metrics method to
cause this problem. In ironic driver , the get_host_cpu_stats method is
not implemented. so we should not log the exception message to eliminate
misunderstanding. The cycle logged message is as follows.
2017-03-20 14:14:43.669 10933 INFO nova.compute.resource_tracker
[req-c4decc3b-f8b4-49c4-afba-40b6c70e86be - - - - -] Final resource view:
name=20ba28a6-a00d-46e8-983e-c6ef4140cc21 phys_ram=0MB used_ram=0MB
phys_disk=0GB used_disk=0GB total_vcpus=0 used_vcpus=0 pci_stats=[]
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
[req-c4decc3b-f8b4-49c4-afba-40b6c70e86be - - - - -] Not all properties needed
are implemented in the compute driver
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
Traceback (most recent call last):
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
File
"/usr/lib/python2.7/site-packages/nova/compute/monitors/cpu/virt_driver.py",
line 59, in _update_data
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
stats = self.driver.get_host_cpu_stats()
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
File "/usr/lib/python2.7/site-packages/nova/virt/driver.py", line 1224, in
get_host_cpu_stats
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
raise NotImplementedError()
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
NotImplementedError
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
So, I want to ignore the unimplemented excepion in the '_update_data' method
in virt_driver.py.
** Affects: nova
Importance: Undecided
Assignee: Tao Li (eric-litao)
Status: New
** Project changed: ltsp => nova
** Changed in: nova
Assignee: (unassigned) => Tao Li (eric-litao)
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https://bugs.launchpad.net/bugs/1674257
Title:
we should not log unimplemented error in _get_host_metrics method
Status in OpenStack Compute (nova):
New
Bug description:
When nova used ironic driver， there was an exception which was always
logged in nova compute log fie periodically. The
update_available_resource method calls the _get_host_metrics method
to cause this problem. In ironic driver , the get_host_cpu_stats
method is not implemented. so we should not log the exception message
to eliminate misunderstanding. The cycle logged message is as follows.
2017-03-20 14:14:43.669 10933 INFO nova.compute.resource_tracker
[req-c4decc3b-f8b4-49c4-afba-40b6c70e86be - - - - -] Final resource view:
name=20ba28a6-a00d-46e8-983e-c6ef4140cc21 phys_ram=0MB used_ram=0MB
phys_disk=0GB used_disk=0GB total_vcpus=0 used_vcpus=0 pci_stats=[]
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
[req-c4decc3b-f8b4-49c4-afba-40b6c70e86be - - - - -] Not all properties needed
are implemented in the compute driver
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
Traceback (most recent call last):
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
File
"/usr/lib/python2.7/site-packages/nova/compute/monitors/cpu/virt_driver.py",
line 59, in _update_data
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
stats = self.driver.get_host_cpu_stats()
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
File "/usr/lib/python2.7/site-packages/nova/virt/driver.py", line 1224, in
get_host_cpu_stats
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
raise NotImplementedError()
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
NotImplementedError
2017-03-20 14:14:43.670 10933 ERROR nova.compute.monitors.cpu.virt_driver
So, I want to ignore the unimplemented excepion in the '_update_data' method
in virt_driver.py.
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