OpenStack Epoxy : How to use Ceilometer (Glance)2025/05/29 |
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This is how to use OpenStack Telemetry Service (Ceilometer) for Glance 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 Glance service to enable Telemetry data collection like follows. |
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[root@dlp ~(keystone)]#
vi /etc/glance/glance-api.conf # add to last line [oslo_messaging_notifications] driver = messagingv2 # RabbitMQ connection info transport_url = rabbit://openstack:password@dlp.srv.world systemctl restart openstack-glance-api |
| [2] | It's some example to display metrics and meters. |
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# list resources [root@dlp ~(keystone)]# openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | ba6f1ab3-86c9-4966-b1e6-ceabe5353c07 | instance | 6cd379304e2447da8514a66bb6cdfda5 | 8201f251-439c-5a73-b209-e1f6ff43934e | instance_disk | 6cd379304e2447da8514a66bb6cdfda5 | 321e0245-bda7-59e5-b7e0-92330c05f2dc | instance_network_interface | 6cd379304e2447da8514a66bb6cdfda5 +--------------------------------------+----------------------------+----------------------------------[root@dlp ~(keystone)]# openstack image list +--------------------------------------+----------------+--------+ | ID | Name | Status | +--------------------------------------+----------------+--------+ | 8bbf2495-d1b0-4c12-89d3-bf6ca71b2a2d | CentOS-Stream9 | active | +--------------------------------------+----------------+--------+ # test to download an image [root@dlp ~(keystone)]# openstack image save --file centos9.qcow2 CentOS-Stream9 # test to add an image [root@dlp ~(keystone)]# openstack image create "CentOS-9" --file centos9.qcow2 --disk-format qcow2 --container-format bare --public # list resources [root@dlp ~(keystone)]# openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | ba6f1ab3-86c9-4966-b1e6-ceabe5353c07 | instance | 6cd379304e2447da8514a66bb6cdfda5 | 8201f251-439c-5a73-b209-e1f6ff43934e | instance_disk | 6cd379304e2447da8514a66bb6cdfda5 | 321e0245-bda7-59e5-b7e0-92330c05f2dc | instance_network_interface | 6cd379304e2447da8514a66bb6cdfda5 | 888b7f45-42d8-4434-b0eb-abffe55973a7 | image | 8f6f2ea0aec84c6f919d15236063d7c0 +--------------------------------------+----------------------------+---------------------------------- # details of the resource [root@dlp ~(keystone)]# openstack metric resource show bb369ad7-fc00-4fa1-8817-5d1493d49f41 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | id | 888b7f45-42d8-4434-b0eb-abffe55973a7 | | creator | 2d44dedde9e14263bcb7b18d25570be9:03262019a5e54890be53c2fc96ed98d0 | | started_at | 2025-05-29T00:58:20.321294+00:00 | | revision_start | 2025-05-29T00:58:20.321298+00:00 | | ended_at | None | | user_id | None | | project_id | 8f6f2ea0aec84c6f919d15236063d7c0 | | original_resource_id | 888b7f45-42d8-4434-b0eb-abffe55973a7 | | type | image | | revision_end | None | | metrics | image.size: 9f844bd0-df7b-44ee-99bd-132ebbe72c65 | | created_by_user_id | 2d44dedde9e14263bcb7b18d25570be9 | | created_by_project_id | 03262019a5e54890be53c2fc96ed98d0 | +-----------------------+-------------------------------------------------------------------+ # display image size data [root@dlp ~(keystone)]# openstack metric measures show 9f844bd0-df7b-44ee-99bd-132ebbe72c65 +---------------------------+-------------+--------------+ | timestamp | granularity | value | +---------------------------+-------------+--------------+ | 2025-05-29T09:55:00+09:00 | 300.0 | 2759000064.0 | +---------------------------+-------------+--------------+ |
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