OpenStack Victoria : How to use Ceilometer (Glance)2021/03/30 |
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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.
------------+---------------------------+---------------------------+------------
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eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Network Node ] | | [ Compute Node ] |
| | | | | |
| MariaDB RabbitMQ | | Open vSwitch | | Libvirt |
| Memcached httpd | | Neutron Server | | Nova Compute |
| Keystone Glance | | OVN-Northd | | Open vSwitch |
| Nova API | | Cinder Volume | | OVN Metadata Agent |
| Cinder API | | iSCSI Target | | OVN-Controller |
| Gnocchi | | Heat API/Engine | | Ceilometer Compute |
| Ceilometer Central | | | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Change settings for Glance service to enable Telemetry data collention 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@10.0.0.30 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 +--------------------------------------+----------------------------+---------------------------------- | da1c8adc-4733-4ee5-a654-49d652a6aaa3 | instance | f1f04d774d2141fb9acabd28d0e00... | 21b1221b-a0db-5f1c-8c92-ae02f7064202 | instance_disk | f1f04d774d2141fb9acabd28d0e00... | 23721353-784e-571f-9f47-fecb17e1c51d | instance_network_interface | f1f04d774d2141fb9acabd28d0e00... +--------------------------------------+----------------------------+---------------------------------- # test to add an image [root@dlp ~(keystone)]# openstack image create "CentOS-ST8" --file /var/kvm/images/centos-st8.img --disk-format qcow2 --container-format bare --public # test to download an image [root@dlp ~(keystone)]# openstack image save --file centos-st8.qcow2 CentOS-ST8 # list resources [root@dlp ~(keystone)]# openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | da1c8adc-4733-4ee5-a654-49d652a6aaa3 | instance | f1f04d774d2141fb9acabd28d0e00... | 21b1221b-a0db-5f1c-8c92-ae02f7064202 | instance_disk | f1f04d774d2141fb9acabd28d0e00... | 23721353-784e-571f-9f47-fecb17e1c51d | instance_network_interface | f1f04d774d2141fb9acabd28d0e00... | ec41dfb1-df70-46c1-8484-508f3ab2d76a | image | b9bf51c6436a4c5aa7a2df05688af... +--------------------------------------+----------------------------+---------------------------------- # details of the resource [root@dlp ~(keystone)]# openstack metric resource show ec41dfb1-df70-46c1-8484-508f3ab2d76a +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | affa3a6446154e37adfd233c437bacc1 | | created_by_user_id | 66a09b5dee7b451fb4cb4216ef7067be | | creator | 66a09b5dee7b451fb4cb4216ef7067be:affa3a6446154e37adfd233c437bacc1 | | ended_at | None | | id | ec41dfb1-df70-46c1-8484-508f3ab2d76a | | metrics | image.download: c0537b3c-4fbf-430e-ab47-6ddb72610c9e | | | image.serve: aa95cad5-ba0b-4b51-a343-f0ffbed420cf | | | image.size: 3126dbcf-8947-488a-a191-ae665d863e36 | | original_resource_id | ec41dfb1-df70-46c1-8484-508f3ab2d76a | | project_id | b9bf51c6436a4c5aa7a2df05688afb49 | | revision_end | None | | revision_start | 2021-03-30T07:24:31.545055+00:00 | | started_at | 2021-03-30T07:24:31.545048+00:00 | | type | image | | user_id | None | +-----------------------+-------------------------------------------------------------------+ # display image download data [root@dlp ~(keystone)]# openstack metric measures show c0537b3c-4fbf-430e-ab47-6ddb72610c9e +---------------------------+-------------+--------------+ | timestamp | granularity | value | +---------------------------+-------------+--------------+ | 2021-03-30T16:20:00+09:00 | 300.0 | 3068329984.0 | +---------------------------+-------------+--------------+ # display image size data [root@dlp ~(keystone)]# openstack metric measures show 3126dbcf-8947-488a-a191-ae665d863e36 +---------------------------+-------------+--------------+ | timestamp | granularity | value | +---------------------------+-------------+--------------+ | 2021-03-30T16:20:00+09:00 | 300.0 | 3068329984.0 | +---------------------------+-------------+--------------+ |
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