libvirt cannot inspect memory usage because some condition is not satisfied.
But the AttributeError exception is ugly, Ceilometer should add basic check
for return value, otherwise the unnecessary exception will bother cloud
operator. I have reported a bug in Ceilometer for this issue, see
https://bugs.launchpad.net/ceilometer/+bug/1393415
On Mon, Nov 17, 2014 at 5:51 PM, Rao Dingyuan raodingy...@chinacloud.com.cn
wrote:
As described in the document:
http://docs.openstack.org/developer/ceilometer/measurements.html#measurements
“””
*Note*
To enable the libvirt memory.usage supporting, you need libvirt version
1.1.1+, qemu version 1.5+, and you need to prepare suitable balloon driver
in the image, particularly for Windows guests, most modern Linuxes have it
built in. The memory.usage meters can’t be fetched without image balloon
driver.
“””
J
--
E_mail: raodingy...@chinacloud.com.cn
*发件人:* Du Jun [mailto:dj199...@gmail.com]
*发送时间:* 2014年11月17日 16:57
*收件人:* OpenStack Development Mailing List (not for usage questions)
*主题:* [openstack-dev] Ceilometer memory.usage can not get info from
libvirt
Hi all,
2014-11-17 16:04:01.563 5162 INFO ceilometer.agent [-] Polling pollster
memory.usage in the context of meter_source
14 2014-11-17 16:04:01.564 5162 DEBUG
ceilometer.compute.pollsters.memory [-] Checking memory usage for instance
7e53172c-f05f-4fda-9855-af6775c1f4a8 get_samples
/opt/stack/ceilometer/ceilometer/compute/pollsters/memory.py:31
140002 2014-11-17 16:04:01.573 5162 WARNING
ceilometer.compute.virt.libvirt.inspector [-] Failed to inspect memory
usage of instance-0002, can not get info from libvirt
140003 2014-11-17 16:04:01.574 5162 ERROR
ceilometer.compute.pollsters.memory [-] Could not get Memory Usage for
7e53172c-f05f-4fda-9855-af6775c1f4a8: 'NoneType' object has no attribute
'usage'
140004 2014-11-17 16:04:01.574 5162 TRACE
ceilometer.compute.pollsters.memory Traceback (most recent call last):
140005 2014-11-17 16:04:01.574 5162 TRACE
ceilometer.compute.pollsters.memory File
/opt/stack/ceilometer/ceilometer/compute/pollsters/memory.py, line 37, in
get_samples
140006 2014-11-17 16:04:01.574 5162 TRACE
ceilometer.compute.pollsters.memory 'usage': memory_info.usage}))
140007 2014-11-17 16:04:01.574 5162 TRACE
ceilometer.compute.pollsters.memory AttributeError: 'NoneType' object has
no attribute 'usage'
When
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