OpenStack Ussuri : How to use Ceilometer (Glance)2020/06/11 |
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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
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Storage Node ] | | [ Compute Node ] |
| | | | | |
| MariaDB RabbitMQ | | Open vSwitch | | Libvirt |
| Memcached httpd | | L2 Agent | | Nova Compute |
| Keystone Glance | | L3 Agent | | Open vSwitch |
| Nova API Cinder API | | Metadata Agent | | L2 Agent |
| Neutron Server | | Cinder Volume | | Ceilometer Compute |
| Metadata Agent | | Heat API | | |
| Gnocchi | | Heat Engine | | |
| 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 +--------------------------------------+----------------------------+---------------------------------- | cffa1ff3-6d1f-46d8-b98b-d488724972c3 | instance | d9c8c215499949cfb249b28bdaba8... | 38e60146-7914-51f2-97f3-fb2cb5885289 | instance_network_interface | d9c8c215499949cfb249b28bdaba8... | 2e00f938-8e21-54ff-967f-b69d9d74b4ba | instance_disk | d9c8c215499949cfb249b28bdaba8... +--------------------------------------+----------------------------+---------------------------------- # test to add an image [root@dlp ~(keystone)]# openstack image create "CentOS81" --file /var/kvm/images/centos8.qcow2 --disk-format qcow2 --container-format bare --public # test to download an image [root@dlp ~(keystone)]# openstack image save --file centos81.qcow2 CentOS81 # list resources [root@dlp ~(keystone)]# openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | cffa1ff3-6d1f-46d8-b98b-d488724972c3 | instance | d9c8c215499949cfb249b28bdaba8... | 38e60146-7914-51f2-97f3-fb2cb5885289 | instance_network_interface | d9c8c215499949cfb249b28bdaba8... | 2e00f938-8e21-54ff-967f-b69d9d74b4ba | instance_disk | d9c8c215499949cfb249b28bdaba8... | c7aa769c-dc7b-4344-b2fd-09521e5d3634 | image | 9cffeca6beec4a39ab6b076ec2bdd... +--------------------------------------+----------------------------+---------------------------------- # details of the resource [root@dlp ~(keystone)]# openstack metric resource show c7aa769c-dc7b-4344-b2fd-09521e5d3634 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 03fc3b5cc0434f748ec562dd74866396 | | created_by_user_id | 97a80018ee3e41ceafc0c8caa42c9b82 | | creator | 97a80018ee3e41ceafc0c8caa42c9b82:03fc3b5cc0434f748ec562dd74866396 | | ended_at | None | | id | c7aa769c-dc7b-4344-b2fd-09521e5d3634 | | metrics | image.download: 9e78e28a-820c-4a9a-b321-973f2ccc7bde | | | image.serve: a8c52f38-577c-4914-939c-71e0f7722914 | | | image.size: 1c367f4c-ea8a-40f1-8736-fd3e28ab8a66 | | original_resource_id | c7aa769c-dc7b-4344-b2fd-09521e5d3634 | | project_id | 9cffeca6beec4a39ab6b076ec2bdd0c9 | | revision_end | None | | revision_start | 2020-06-10T07:30:21.959521+00:00 | | started_at | 2020-06-10T07:30:21.959508+00:00 | | type | image | | user_id | None | +-----------------------+-------------------------------------------------------------------+ # display image download data [root@dlp ~(keystone)]# openstack metric measures show 9e78e28a-820c-4a9a-b321-973f2ccc7bde +---------------------------+-------------+--------------+ | timestamp | granularity | value | +---------------------------+-------------+--------------+ | 2020-06-10T16:30:00+09:00 | 300.0 | 9665380352.0 | +---------------------------+-------------+--------------+ # display image size data [root@dlp ~(keystone)]# openstack metric measures show 1c367f4c-ea8a-40f1-8736-fd3e28ab8a66 +---------------------------+-------------+--------------+ | timestamp | granularity | value | +---------------------------+-------------+--------------+ | 2020-06-10T16:30:00+09:00 | 300.0 | 9665380352.0 | +---------------------------+-------------+--------------+ |
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