OpenStack Victoria : How to use Ceilometer (Cinder)2021/03/30 |
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This is how to use OpenStack Telemetry Service (Ceilometer) for Cinder service.
This example is based on the environment like follows.
------------+---------------------------+---------------------------+------------
| | |
eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Network Node ] | | [ Compute Node ] |
| | | | | |
| MariaDB RabbitMQ | | Open vSwitch | | Libvirt |
| Memcached httpd | | Neutron Server | | Nova Compute |
| Keystone Glance | | OVN-Northd | | Open vSwitch |
| Nova API | | Cinder Volume | | OVN Metadata Agent |
| Cinder API | | iSCSI Target | | OVN-Controller |
| Gnocchi | | Heat API/Engine | | Ceilometer Compute |
| Ceilometer Central | | | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Change settings for Cinder service to enable Telemetry data collention like follows. Change on all Nodes Cinder services are running. |
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[root@dlp ~(keystone)]#
vi /etc/cinder/cinder.conf # add to the end [oslo_messaging_notifications] driver = messagingv2 transport_url = rabbit://openstack:password@10.0.0.30 systemctl restart openstack-cinder-api openstack-cinder-scheduler |
| [2] | It's some example to display metrics and meters. |
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# list resources [cent@dlp ~(keystone)]$ openstack metric resource list +--------------------------------------+----------------------------+----------------------------------- | id | type | project_id +--------------------------------------+----------------------------+----------------------------------- | da1c8adc-4733-4ee5-a654-49d652a6aaa3 | instance | f1f04d774d2141fb9acabd28d0e00c... | 21b1221b-a0db-5f1c-8c92-ae02f7064202 | instance_disk | f1f04d774d2141fb9acabd28d0e00c... | 23721353-784e-571f-9f47-fecb17e1c51d | instance_network_interface | f1f04d774d2141fb9acabd28d0e00c... +--------------------------------------+----------------------------+----------------------------------- # test to create a volume [cent@dlp ~(keystone)]$ openstack volume create --size 10 disk01 # list resources [cent@dlp ~(keystone)]$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | da1c8adc-4733-4ee5-a654-49d652a6aaa3 | instance | f1f04d774d2141fb9acabd28d0e00... | 21b1221b-a0db-5f1c-8c92-ae02f7064202 | instance_disk | f1f04d774d2141fb9acabd28d0e00... | 23721353-784e-571f-9f47-fecb17e1c51d | instance_network_interface | f1f04d774d2141fb9acabd28d0e00... | 80668d46-d3a5-443a-aaf1-e2e9a1879dd8 | volume | f1f04d774d2141fb9acabd28d0e00... +--------------------------------------+----------------------------+---------------------------------- # details of the resource [cent@dlp ~(keystone)]$ openstack metric resource show 80668d46-d3a5-443a-aaf1-e2e9a1879dd8 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | affa3a6446154e37adfd233c437bacc1 | | created_by_user_id | 66a09b5dee7b451fb4cb4216ef7067be | | creator | 66a09b5dee7b451fb4cb4216ef7067be:affa3a6446154e37adfd233c437bacc1 | | ended_at | None | | id | 80668d46-d3a5-443a-aaf1-e2e9a1879dd8 | | metrics | volume.size: 37992e16-c150-421c-b2cb-ccf4968ed748 | | original_resource_id | 80668d46-d3a5-443a-aaf1-e2e9a1879dd8 | | project_id | f1f04d774d2141fb9acabd28d0e00c33 | | revision_end | None | | revision_start | 2021-03-30T07:31:23.144140+00:00 | | started_at | 2021-03-30T07:31:23.144134+00:00 | | type | volume | | user_id | e08c35de3b6746bd9518c97f7068a71e | +-----------------------+-------------------------------------------------------------------+ # display volume size data [cent@dlp ~(keystone)]$ openstack metric measures show 37992e16-c150-421c-b2cb-ccf4968ed748 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2021-03-30T16:30:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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