OpenStack Rocky : How to use Ceilometer (Cinder)2018/09/18 |
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This is how to use OpenStack Telemetry Service (Ceilometer) for Cinder service.
This example is based on the emvironment 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 example to display metrics and meters. |
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# list resources ubuntu@dlp ~(keystone)$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | e402a282-c5ae-4532-ad08-0a2f0d7803ac | instance | 5f54b0ad76274f06b13f29458cc1c... | 79195be1-3b66-4601-8401-489f4d7b4ee5 | instance | 5f54b0ad76274f06b13f29458cc1c... | eb34c91e-e69b-5bc5-b01b-97a0ee76832d | instance_network_interface | 5f54b0ad76274f06b13f29458cc1c... | 9887d1b9-c33e-5346-bc51-712db41a50f6 | instance_disk | 5f54b0ad76274f06b13f29458cc1c... +--------------------------------------+----------------------------+---------------------------------- # test to create a volume ubuntu@dlp ~(keystone)$ openstack volume create --size 10 disk01 # list resources ubuntu@dlp ~(keystone)$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | e402a282-c5ae-4532-ad08-0a2f0d7803ac | instance | 5f54b0ad76274f06b13f29458cc1c... | 79195be1-3b66-4601-8401-489f4d7b4ee5 | instance | 5f54b0ad76274f06b13f29458cc1c... | eb34c91e-e69b-5bc5-b01b-97a0ee76832d | instance_network_interface | 5f54b0ad76274f06b13f29458cc1c... | 9887d1b9-c33e-5346-bc51-712db41a50f6 | instance_disk | 5f54b0ad76274f06b13f29458cc1c... | 28baad07-9887-4a18-a9a2-1b683f445c7e | volume | 5f54b0ad76274f06b13f29458cc1c... +--------------------------------------+----------------------------+---------------------------------- # details of volume resource ubuntu@dlp ~(keystone)$ openstack metric resource show 28baad07-9887-4a18-a9a2-1b683f445c7e +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | aaeee626080841a491235fb06e77f10c | | created_by_user_id | 1473e02cb8754787a0a9e47dd7d8e0ce | | creator | 1473e02cb8754787a0a9e47dd7d8e0ce:aaeee626080841a491235fb06e77f10c | | ended_at | None | | id | 28baad07-9887-4a18-a9a2-1b683f445c7e | | metrics | volume.size: 9e82f0a9-90b4-4ebc-acab-e48a6289f106 | | original_resource_id | 28baad07-9887-4a18-a9a2-1b683f445c7e | | project_id | 5f54b0ad76274f06b13f29458cc1c036 | | revision_end | None | | revision_start | 2018-09-18T08:06:25.514476+00:00 | | started_at | 2018-09-18T08:06:25.514453+00:00 | | type | volume | | user_id | 54951d6863024516a19ed9bda53be12f | +-----------------------+-------------------------------------------------------------------+ # display volume size data ubuntu@dlp ~(keystone)$ openstack metric measures show 9e82f0a9-90b4-4ebc-acab-e48a6289f106 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2018-09-18T17:05:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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