OpenStack Antelope : How to use Ceilometer (Glance)2023/04/20 |
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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 the end [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 +--------------------------------------+----------------------------+---------------------------------- | 284a5b69-7b76-49c3-8180-c9b22284d429 | instance | 40aa0807595447f0bd8d5b2dbfa18... | 9e9a6284-5040-5642-ba3b-25542d7f87ac | instance_disk | 40aa0807595447f0bd8d5b2dbfa18... | 783023d9-7b04-538f-9a5e-74098a7da99a | instance_network_interface | 40aa0807595447f0bd8d5b2dbfa18... +--------------------------------------+----------------------------+----------------------------------[root@dlp ~(keystone)]# openstack image list +--------------------------------------+----------------+--------+ | ID | Name | Status | +--------------------------------------+----------------+--------+ | 17d50b54-c009-45ff-96ed-58086f79065f | CentOS-Stream9 | active | +--------------------------------------+----------------+--------+ # test to download an image [root@dlp ~(keystone)]# openstack image save --file centos-st9.qcow2 CentOS-Stream9 # test to add an image [root@dlp ~(keystone)]# openstack image create "CentOS-ST9" --file centos-st9.qcow2 --disk-format qcow2 --container-format bare --public # list resources [root@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... | 2203c888-763a-4b28-9fc4-f61fb5b6d152 | image | fa1902e20298477e9e065c0a330e1... +--------------------------------------+----------------------------+---------------------------------- # details of the resource [root@dlp ~(keystone)]# openstack metric resource show 2203c888-763a-4b28-9fc4-f61fb5b6d152 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 6d680c2574034967ab496a59d1319a65 | | created_by_user_id | 372e97ed646e48ddb41c769a446d2094 | | creator | 372e97ed646e48ddb41c769a446d2094:6d680c2574034967ab496a59d1319a65 | | ended_at | None | | id | 2203c888-763a-4b28-9fc4-f61fb5b6d152 | | metrics | image.size: 7f2dd5b2-700c-4418-83ce-c29a2fa3aca5 | | original_resource_id | 2203c888-763a-4b28-9fc4-f61fb5b6d152 | | project_id | fa1902e20298477e9e065c0a330e1b6f | | revision_end | None | | revision_start | 2023-04-20T01:26:03.799009+00:00 | | started_at | 2023-04-20T01:26:03.799003+00:00 | | type | image | | user_id | None | +-----------------------+-------------------------------------------------------------------+ # display image size data [root@dlp ~(keystone)]# openstack metric measures show 7f2dd5b2-700c-4418-83ce-c29a2fa3aca5 +---------------------------+-------------+--------------+ | timestamp | granularity | value | +---------------------------+-------------+--------------+ | 2023-04-20T10:25:00+09:00 | 300.0 | 2989621248.0 | +---------------------------+-------------+--------------+ |
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