[Bug 1989584] Re: cpu metric not getting created for resource instance | Openstack wallaby | Centos

[lokendra]

Hi Swogat,
By default as the instance is created, I also see this as missing, but I saw this coming up as soon as I trigger some load on the VM/Instance. 

Example: yes > /dev/null & 
and then run below:

(overcloud) [stack at undercloud ~]$ gnocchi resource show --type instance
e6890d6e-3e5f-4e8a-9399-fc262f57017e

+-----------------------+---------------------------------------------------------------------+
| Field                 | Value                                                               |
+-----------------------+---------------------------------------------------------------------+
| availability_zone     | nova                                                                |
| created_at            | 2022-09-15T09:27:09+00:00                                           |
| created_by_project_id | 7abe36ce16574b53ad1de77e03e91906                                    |
| created_by_user_id    | f52fb8c4d8da471abc16d92da4ff15f4                                    |
| creator               | f52fb8c4d8da471abc16d92da4ff15f4:7abe36ce16574b53ad1de77e03e91906   |
| deleted_at            | None                                                                |
| display_name          | ab-qhje-o7tpsf4sbjsc-3yyzws2exifc-server-etgudmvrriqv               |
| ended_at              | None                                                                |
| flavor_id             | af93b39a-c8a6-463d-afbd-bac5f6860f8c                                |
| flavor_name           | m1.small                                                            |
| host                  | overcloud-novacompute-0.mydomain.com                                   |
| id                    | e6890d6e-3e5f-4e8a-9399-fc262f57017e                                |
| image_ref             | 56643348-40dc-4e21-8305-4b7f2563c888                                |
| launched_at           | 2022-09-15T09:27:17.725687+00:00                                    |
| metrics               | compute.instance.booting.time: 9007c507-951a-4b70-8d08-13da5fffeca3 |
|                       | cpu: 84bb36a4-dc5f-4790-af7b-ac33b0132bcd                           |
|                       | disk.ephemeral.size: 0d3a2cbb-eea0-4943-9be0-3c10f98634b7           |
|                       | disk.root.size: 73710230-85a8-47f9-a1a3-272ac936ec7c                |
|                       | memory.usage: fbdd7a3f-8f28-443f-ab24-53975f54f8c8                  |
|                       | memory: f89f76b6-2a34-4b97-a036-b8f71ecf33c1                        |
|                       | vcpus: 6a7b4161-9f02-4b20-805d-480eedeba4c3

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https://bugs.launchpad.net/bugs/1989584

Title:
  cpu metric not getting created for resource instance |       Openstack
  wallaby | Centos

Status in heat package in Ubuntu:
  New

Bug description:
  Hi,
  I am trying out the heat autoscalling and i am facing an issue where the instance created doesn't have cpu metric (enabled in ceilometer polling.yaml file)
  (overcloud) [stack at hkg2director ~]$ gnocchi resource show 130a0dfd-4e43-4373-ad0c-b5ffd4fcca95
  +-----------------------+---------------------------------------------------------------------+
  | Field                 | Value                                                               |
  +-----------------------+---------------------------------------------------------------------+
  | created_by_project_id | 7c9659572662449da4906cc77b33f21b                                    |
  | created_by_user_id    | 4cb066d9701440dea941c5157186d06d                                    |
  | creator               | 4cb066d9701440dea941c5157186d06d:7c9659572662449da4906cc77b33f21b   |
  | ended_at              | None                                                                |
  | id                    | 130a0dfd-4e43-4373-ad0c-b5ffd4fcca95                                |
  | metrics               | compute.instance.booting.time: c0f77048-a85d-48a3-92cd-cdca50b341e8 |
  |                       | disk.ephemeral.size: 46d77e5d-aba1-4b93-92eb-3a97f9512a3c           |
  |                       | disk.root.size: 3f60cb9f-9c06-4ccc-b47d-d2ca899fe5ea                |
  |                       | memory: 97f796ed-c26c-4625-8670-64cf004a7b26                        |
  |                       | vcpus: 513908f9-1bba-429e-8106-3bf933f04a76                         |
  | original_resource_id  | 130a0dfd-4e43-4373-ad0c-b5ffd4fcca95                                |
  | project_id            | 5d922243077045c48fe4b075e386551b                                    |
  | revision_end          | None                                                                |
  | revision_start        | 2022-09-14T13:00:53.216445+00:00                                    |
  | started_at            | 2022-09-14T12:57:21.846635+00:00                                    |
  | type                  | instance                                                            |
  | user_id               | c1905e3c5a374924980e851840e7f028                                    |
  +-----------------------+---------------------------------------------------------------------+

  For other instances also i do not see any cpu metric.
  Now the issue is as cpu metric is not getting created the alarm is not getting any data from the VM in terms of cpu usage and my autoscaling feature is failing.

  Please suggest how to fix this issue.

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