OpenStack Caracal : How to use Ceilometer (Cinder)2024/08/08 |
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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
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ 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 last line [oslo_messaging_notifications] driver = messagingv2 transport_url = rabbit://openstack:password@dlp.srv.world 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 +--------------------------------------+----------------------------+---------------------------------- | 1d0c2140-098d-4a1a-a705-82d7755d7c84 | instance | 03a31c43ede44dcbaacb05c870920... | 1e69e83f-7283-58a2-a1f2-18093aad665d | instance_network_interface | 03a31c43ede44dcbaacb05c870920... | 5770e056-a76c-5bba-9b71-aef9fdefd317 | instance_disk | 03a31c43ede44dcbaacb05c870920... +--------------------------------------+----------------------------+---------------------------------- # 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 +--------------------------------------+----------------------------+---------------------------------- | 1d0c2140-098d-4a1a-a705-82d7755d7c84 | instance | 03a31c43ede44dcbaacb05c870920... | 1e69e83f-7283-58a2-a1f2-18093aad665d | instance_network_interface | 03a31c43ede44dcbaacb05c870920... | 5770e056-a76c-5bba-9b71-aef9fdefd317 | instance_disk | 03a31c43ede44dcbaacb05c870920... | 721b91bf-1140-4d2b-b42e-ace5b510e902 | volume | 03a31c43ede44dcbaacb05c870920... +--------------------------------------+----------------------------+---------------------------------- # details of the resource [cent@dlp ~(keystone)]$ openstack metric resource show 721b91bf-1140-4d2b-b42e-ace5b510e902 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 0b826f1bf49d489494e94badc32f2cea | | created_by_user_id | c35246b749884d4fae8a3bfaaa0cf7ea | | creator | c35246b749884d4fae8a3bfaaa0cf7ea:0b826f1bf49d489494e94badc32f2cea | | ended_at | None | | id | 721b91bf-1140-4d2b-b42e-ace5b510e902 | | metrics | volume.size: 10939788-65a3-4ef3-8dfb-576cdfe1e406 | | original_resource_id | 721b91bf-1140-4d2b-b42e-ace5b510e902 | | project_id | 03a31c43ede44dcbaacb05c870920e81 | | revision_end | None | | revision_start | 2024-08-07T10:07:43.731310+00:00 | | started_at | 2024-08-07T10:07:43.731304+00:00 | | type | volume | | user_id | 8a9b46168b42480f889ad4fad3ca6ee4 | +-----------------------+-------------------------------------------------------------------+ # display volume size data [cent@dlp ~(keystone)]$ openstack metric measures show 10939788-65a3-4ef3-8dfb-576cdfe1e406 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2024-08-07T19:05:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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