OpenStack Victoria : How to use Ceilometer (Cinder)2020/10/22 |
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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 | | Linux Bridge | | Libvirt |
| Memcached httpd | | L2 Agent | | Nova Compute |
| Keystone Glance | | L3 Agent | | Linux Bridge |
| Nova_API Cinder_API | | Metadata Agent | | L2 Agent |
| Neutron Server | | Cinder Volume | | Ceilometer Compute |
| Metadata Agent | | Heat API | | |
| | | Heat Engine | | |
| | | Gnocchi httpd | | |
| | | 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 apache2 cinder-scheduler |
| [2] | It's some examples to display metrics and meters. |
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# display resources ubuntu@dlp ~(keystone)$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | 10abf4e3-d5d9-4b57-a5a0-7cb767442dcc | instance | 6c44eafd4f614985bf74b94f2aee8... | c96d50ae-df9a-58f4-acb8-d3fbfad117dd | instance_disk | 6c44eafd4f614985bf74b94f2aee8... | 103be51a-14ae-5fc4-8f0b-9b7458fc1bc1 | instance_network_interface | 6c44eafd4f614985bf74b94f2aee8... +--------------------------------------+----------------------------+---------------------------------- # test to create a volume ubuntu@dlp ~(keystone)$ openstack volume create --size 10 disk01 # display resources ubuntu@dlp ~(keystone)$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | 10abf4e3-d5d9-4b57-a5a0-7cb767442dcc | instance | 6c44eafd4f614985bf74b94f2aee8... | c96d50ae-df9a-58f4-acb8-d3fbfad117dd | instance_disk | 6c44eafd4f614985bf74b94f2aee8... | 103be51a-14ae-5fc4-8f0b-9b7458fc1bc1 | instance_network_interface | 6c44eafd4f614985bf74b94f2aee8... | 67abc6ef-5b6f-4c30-9a01-cdb62f351212 | volume | 6c44eafd4f614985bf74b94f2aee8... +--------------------------------------+----------------------------+---------------------------------- # details of [volume] resource ubuntu@dlp ~(keystone)$ openstack metric resource show 67abc6ef-5b6f-4c30-9a01-cdb62f351212 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 37197271a1954ddb90207a95d5f46488 | | created_by_user_id | a954b69f9b8345d9a797abbc0a949108 | | creator | a954b69f9b8345d9a797abbc0a949108:37197271a1954ddb90207a95d5f46488 | | ended_at | None | | id | 67abc6ef-5b6f-4c30-9a01-cdb62f351212 | | metrics | volume.size: 3b6e4bac-0cf8-4304-af7e-a6776494fb6f | | original_resource_id | 67abc6ef-5b6f-4c30-9a01-cdb62f351212 | | project_id | 6c44eafd4f614985bf74b94f2aee82fb | | revision_end | None | | revision_start | 2020-10-22T01:41:16.549231+00:00 | | started_at | 2020-10-22T01:41:16.549224+00:00 | | type | volume | | user_id | a13cfae0e5eb466fae71a636a6ffb6b4 | +-----------------------+-------------------------------------------------------------------+ # display volume size data ubuntu@dlp ~(keystone)$ openstack metric measures show 3b6e4bac-0cf8-4304-af7e-a6776494fb6f +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2020-10-22T10:40:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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