we actually looked at this problem here:
https://review.openstack.org/#/c/235702/
i think we should add support of new attribute instead.
On 20/12/2015 10:52 AM, Luo Gangyi wrote:
Hi devs,
I found a problem which may cause infinite update of instance's
attributes in gnocchi.
Let's see the resource definition of instance.
- resource_type: instance
metrics:
- 'instance'
- 'memory'
- 'memory.usage'
- 'memory.resident'
- 'vcpus'
- 'cpu'
- 'cpu_util'
- 'disk.root.size'
...
attributes:
host: resource_metadata.host
image_ref: resource_metadata.image_ref_url
...
Here is the problem, although they have same attributes, they are
*not* same.
Some of them came from nova's notifications and the others are came
from ceilometer-compute-agent.
1) Those came from notifications, their attributes looks like
image_ref :http://10.133.12.125:9292/images/
host: compute.lgy-openstack-kilo.novalocal
2) Those came from ceilometer-compute-agent,
image_ref :
http://10.133.12.125:8774/4994e42421a04beda56fff7d817e810e/images/8d6a9cd9-48ae-4a41-bd13-262a46c93d72
host:ea8f8e465d9caff06e80a0fda6f30d02725e0b55dc0fd940954cb55c
Such difference will cause alternately and infinitely update of a
instance's attributes if we enable nova audit.
So I suggest we seperate these meters which came from notifications to
another resource type like "instance_from_notification".
Any other idea?
------------------
Luo Gangyi
[email protected]
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gord
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