OpenStack Ussuri : How to use Ceilometer (Cinder)2020/06/18 |
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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 example to display metrics and meters. |
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# list resources ubuntu@dlp ~(keystone)$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | 2dde6728-0e9a-4bd1-b10a-196162ec5e2a | instance | eaa8de359ae0451d944a6401e688f... | f33a56c8-468d-5973-a515-a879a8ce8a64 | instance_disk | eaa8de359ae0451d944a6401e688f... | 2b500dc3-e441-5ace-8600-15761d009452 | instance_network_interface | eaa8de359ae0451d944a6401e688f... +--------------------------------------+----------------------------+---------------------------------- # 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 +--------------------------------------+----------------------------+---------------------------------- | 2dde6728-0e9a-4bd1-b10a-196162ec5e2a | instance | eaa8de359ae0451d944a6401e688f730 | f33a56c8-468d-5973-a515-a879a8ce8a64 | instance_disk | eaa8de359ae0451d944a6401e688f730 | 2b500dc3-e441-5ace-8600-15761d009452 | instance_network_interface | eaa8de359ae0451d944a6401e688f730 | b89264a5-71b4-4705-8508-c6bd0d300bc2 | volume | eaa8de359ae0451d944a6401e688f730 +--------------------------------------+----------------------------+---------------------------------- # details of [volume] resource ubuntu@dlp ~(keystone)$ openstack metric resource show b89264a5-71b4-4705-8508-c6bd0d300bc2 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | c0e098a54a4640caa9004fb8f500f554 | | created_by_user_id | 3d1f14e0843940dfb5afaeee1ec45507 | | creator | 3d1f14e0843940dfb5afaeee1ec45507:c0e098a54a4640caa9004fb8f500f554 | | ended_at | None | | id | b89264a5-71b4-4705-8508-c6bd0d300bc2 | | metrics | volume.size: e77fbac2-0b09-4132-8d8f-3065253106ce | | original_resource_id | b89264a5-71b4-4705-8508-c6bd0d300bc2 | | project_id | eaa8de359ae0451d944a6401e688f730 | | revision_end | None | | revision_start | 2020-06-18T05:17:26.444443+00:00 | | started_at | 2020-06-18T05:17:26.444436+00:00 | | type | volume | | user_id | 2a1e722c971c45d384efe048155d89c7 | +-----------------------+-------------------------------------------------------------------+ # display volume size data ubuntu@dlp ~(keystone)$ openstack metric measures show e77fbac2-0b09-4132-8d8f-3065253106ce +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2020-06-18T14:15:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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