OpenStack Antelope : How to use Ceilometer (Cinder)2023/03/29 |
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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.
------------+--------------------------+--------------------------+------------
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eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ dlp.srv.world ] | | [ network.srv.world ] | | [ node01.srv.world ] |
| (Control Node) | | (Network Node) | | (Compute Node) |
| | | | | |
| MariaDB RabbitMQ | | Open vSwitch | | Libvirt |
| Memcached Nginx | | Neutron Server | | Nova Compute |
| Keystone httpd | | OVN-Northd | | Open vSwitch |
| Glance Nova API | | Nginx iSCSI Target | | OVN Metadata Agent |
| Cinder API | | Cinder Volume | | OVN-Controller |
| | | Gnocchi httpd | | Ceilometer Compute |
| | | Ceilometer Central | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Change settings for Cinder service to enable Telemetry data collection 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@dlp.srv.world 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 +--------------------------------------+----------------------------+---------------------------------- | 11987eec-fb38-4de1-a386-3d1d6001bbd3 | instance | e294bd7c00314facacdb46c36fb54... | 29b605b9-5568-5534-b3c4-470045cbcbe0 | instance_network_interface | e294bd7c00314facacdb46c36fb54... | 55b09db0-31af-58e5-ab82-da9b1d35c949 | instance_disk | e294bd7c00314facacdb46c36fb54... +--------------------------------------+----------------------------+---------------------------------- # 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 +--------------------------------------+----------------------------+---------------------------------- | 11987eec-fb38-4de1-a386-3d1d6001bbd3 | instance | e294bd7c00314facacdb46c36fb54... | 29b605b9-5568-5534-b3c4-470045cbcbe0 | instance_network_interface | e294bd7c00314facacdb46c36fb54... | 55b09db0-31af-58e5-ab82-da9b1d35c949 | instance_disk | e294bd7c00314facacdb46c36fb54... | 3a3a1349-4cee-45d6-adc1-381d6467619e | volume | e294bd7c00314facacdb46c36fb54... +--------------------------------------+----------------------------+---------------------------------- # details of [volume] resource ubuntu@dlp ~(keystone)$ openstack metric resource show 3a3a1349-4cee-45d6-adc1-381d6467619e +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | d3dd87fb1a034f7883539a6a4f83781f | | created_by_user_id | f88cfb33fa07437ca440ee5ef5642c95 | | creator | f88cfb33fa07437ca440ee5ef5642c95:d3dd87fb1a034f7883539a6a4f83781f | | ended_at | None | | id | 3a3a1349-4cee-45d6-adc1-381d6467619e | | metrics | volume.size: c80fbdac-17e9-4f21-a124-f61865adff14 | | original_resource_id | 3a3a1349-4cee-45d6-adc1-381d6467619e | | project_id | e294bd7c00314facacdb46c36fb54ee9 | | revision_end | None | | revision_start | 2023-03-29T02:28:34.523747+00:00 | | started_at | 2023-03-29T02:28:34.523741+00:00 | | type | volume | | user_id | 85236576a97e492791abe70c217c8898 | +-----------------------+-------------------------------------------------------------------+ # display volume size data ubuntu@dlp ~(keystone)$ openstack metric measures show c80fbdac-17e9-4f21-a124-f61865adff14 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2023-03-29T11:25:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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