OpenStack Zed : How to use Ceilometer (Glance)2022/10/11 |
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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 glance-api |
| [2] | It's some example to display metrics and meters. |
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# display resources root@dlp ~(keystone)# openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | a456ee32-b105-4c5e-8eae-ddccb48f913e | instance | 4dd1e1f6bac441ff9c77002c3ab4c58a | dff4e871-53dc-5531-a1f2-3da5e7f69191 | instance_network_interface | 4dd1e1f6bac441ff9c77002c3ab4c58a | d90cfa81-9edd-51cb-8521-ac01203c3797 | instance_disk | 4dd1e1f6bac441ff9c77002c3ab4c58a +--------------------------------------+----------------------------+----------------------------------root@dlp ~(keystone)# openstack image list +--------------------------------------+------------+--------+ | ID | Name | Status | +--------------------------------------+------------+--------+ | 126bc335-fc00-478d-b84a-a9e79eba2574 | Ubuntu2204 | active | +--------------------------------------+------------+--------+ # test to download an image root@dlp ~(keystone)# openstack image save --file ubuntu2204.qcow2 Ubuntu2204 # test to add an image root@dlp ~(keystone)# openstack image create "Ubuntu22040-2" --file ubuntu2204.qcow2 --disk-format qcow2 --container-format bare --public # list resources root@dlp ~(keystone)# openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | a456ee32-b105-4c5e-8eae-ddccb48f913e | instance | 4dd1e1f6bac441ff9c77002c3ab4c58a | dff4e871-53dc-5531-a1f2-3da5e7f69191 | instance_network_interface | 4dd1e1f6bac441ff9c77002c3ab4c58a | d90cfa81-9edd-51cb-8521-ac01203c3797 | instance_disk | 4dd1e1f6bac441ff9c77002c3ab4c58a | ce8f7bc5-5731-428e-baae-48a15d29a8ef | image | 231a529f51394426b07c56f2c5ec580e +--------------------------------------+----------------------------+---------------------------------- # details of the [image] resource root@dlp ~(keystone)# openstack metric resource show d78f9dee-5f23-4fc7-9c17-9a58935ec561 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | ee51c09c765e4a4d958c2bcc4dbb5665 | | created_by_user_id | 1070f194127a4a52aca630dab3365662 | | creator | 1070f194127a4a52aca630dab3365662:ee51c09c765e4a4d958c2bcc4dbb5665 | | ended_at | None | | id | ce8f7bc5-5731-428e-baae-48a15d29a8ef | | metrics | image.size: da2fa9e3-536c-4633-9717-7f3f8e77c7ec | | original_resource_id | ce8f7bc5-5731-428e-baae-48a15d29a8ef | | project_id | 231a529f51394426b07c56f2c5ec580e | | revision_end | None | | revision_start | 2022-10-11T00:43:24.055007+00:00 | | started_at | 2022-10-11T00:43:24.055001+00:00 | | type | image | | user_id | None | +-----------------------+-------------------------------------------------------------------+ # display image size data root@dlp ~(keystone)# openstack metric measures show da2fa9e3-536c-4633-9717-7f3f8e77c7ec +---------------------------+-------------+-------------+ | timestamp | granularity | value | +---------------------------+-------------+-------------+ | 2022-10-11T00:40:00+00:00 | 300.0 | 661716992.0 | +---------------------------+-------------+-------------+ |
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