OpenStack Antelope : How to use Ceilometer (Cinder)2023/04/20 |
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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 the end [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 +--------------------------------------+----------------------------+---------------------------------- | 284a5b69-7b76-49c3-8180-c9b22284d429 | instance | 40aa0807595447f0bd8d5b2dbfa18... | 9e9a6284-5040-5642-ba3b-25542d7f87ac | instance_disk | 40aa0807595447f0bd8d5b2dbfa18... | 783023d9-7b04-538f-9a5e-74098a7da99a | instance_network_interface | 40aa0807595447f0bd8d5b2dbfa18... +--------------------------------------+----------------------------+---------------------------------- # 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 +--------------------------------------+----------------------------+---------------------------------- | 284a5b69-7b76-49c3-8180-c9b22284d429 | instance | 40aa0807595447f0bd8d5b2dbfa18... | 9e9a6284-5040-5642-ba3b-25542d7f87ac | instance_disk | 40aa0807595447f0bd8d5b2dbfa18... | 783023d9-7b04-538f-9a5e-74098a7da99a | instance_network_interface | 40aa0807595447f0bd8d5b2dbfa18... | 0c22c348-b697-4791-ac73-cdcbb5f814fa | volume | 40aa0807595447f0bd8d5b2dbfa18... +--------------------------------------+----------------------------+---------------------------------- # details of the resource [cent@dlp ~(keystone)]$ openstack metric resource show 0c22c348-b697-4791-ac73-cdcbb5f814fa +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 6d680c2574034967ab496a59d1319a65 | | created_by_user_id | 372e97ed646e48ddb41c769a446d2094 | | creator | 372e97ed646e48ddb41c769a446d2094:6d680c2574034967ab496a59d1319a65 | | ended_at | None | | id | 0c22c348-b697-4791-ac73-cdcbb5f814fa | | metrics | volume.size: c426b910-de86-4810-be7e-d78d1eec1172 | | original_resource_id | 0c22c348-b697-4791-ac73-cdcbb5f814fa | | project_id | 40aa0807595447f0bd8d5b2dbfa1839b | | revision_end | None | | revision_start | 2023-04-20T01:31:34.171327+00:00 | | started_at | 2023-04-20T01:31:34.171321+00:00 | | type | volume | | user_id | 3c87f0d4e2e6413aa110a4240357cd97 | +-----------------------+-------------------------------------------------------------------+ # display volume size data [cent@dlp ~(keystone)]$ openstack metric measures show e9e32c9d-d6ca-4f5d-9a87-b5594cbcd214 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2023-04-20T10:30:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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