OpenStack Yoga : How to use Ceilometer (Cinder)2022/05/07 |
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This is how to use OpenStack Telemetry Service (Ceilometer) for Cinder 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 httpd | | Neutron Server | | Nova Compute |
| Keystone Glance | | OVN-Northd | | Open vSwitch |
| Nova API Cinder API | | Cinder Volume | | OVN Metadata Agent |
| | | Gnocchi httpd | | OVN-Controller |
| | | Ceilometer Central | | Ceilometer Compute |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Change settings for Cinder service to enable Telemetry data collection like follows. Change on all Nodes Cinder services are running. |
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root@dlp ~(keystone)#
vi /etc/cinder/cinder.conf # add to the end [oslo_messaging_notifications] driver = messagingv2 transport_url = rabbit://openstack:password@dlp.srv.world systemctl restart apache2 cinder-scheduler |
| [2] | It's some examples to display metrics and meters. |
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# display resources ubuntu@dlp ~(keystone)$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | 6781b9c7-19c6-4419-a910-d0ae43c7526c | instance | 66102fdb888d4556a59dcff8b631f... | e540d3c4-7e04-5ef8-8399-5b66d78d1056 | instance_network_interface | 66102fdb888d4556a59dcff8b631f... | a302db56-ba64-5f36-9182-f3a9572aab1d | instance_disk | 66102fdb888d4556a59dcff8b631f... +--------------------------------------+----------------------------+---------------------------------- # test to create a volume ubuntu@dlp ~(keystone)$ openstack volume create --size 10 disk01 # display resources ubuntu@dlp ~(keystone)$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | 6781b9c7-19c6-4419-a910-d0ae43c7526c | instance | 66102fdb888d4556a59dcff8b631f... | e540d3c4-7e04-5ef8-8399-5b66d78d1056 | instance_network_interface | 66102fdb888d4556a59dcff8b631f... | a302db56-ba64-5f36-9182-f3a9572aab1d | instance_disk | 66102fdb888d4556a59dcff8b631f... | 9f015020-ebb8-4e67-a6b3-50e5108e4b92 | volume | 66102fdb888d4556a59dcff8b631f... +--------------------------------------+----------------------------+---------------------------------- # details of [volume] resource ubuntu@dlp ~(keystone)$ openstack metric resource show 9f015020-ebb8-4e67-a6b3-50e5108e4b92 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | c1c4d9a5313f43bd9f6f555e2d34ab28 | | created_by_user_id | 66d094f65ddd49ebb6e27f48ed2c6448 | | creator | 66d094f65ddd49ebb6e27f48ed2c6448:c1c4d9a5313f43bd9f6f555e2d34ab28 | | ended_at | None | | id | 9f015020-ebb8-4e67-a6b3-50e5108e4b92 | | metrics | volume.size: a199ef6a-3ffb-490a-bc6d-a83da6e9675f | | original_resource_id | 9f015020-ebb8-4e67-a6b3-50e5108e4b92 | | project_id | 66102fdb888d4556a59dcff8b631ffdf | | revision_end | None | | revision_start | 2022-05-05T15:48:05.629690+00:00 | | started_at | 2022-05-05T15:48:05.629682+00:00 | | type | volume | | user_id | 74a373164921492ca35d32fea0fd2d86 | +-----------------------+-------------------------------------------------------------------+ # display volume size data ubuntu@dlp ~(keystone)$ openstack metric measures show a199ef6a-3ffb-490a-bc6d-a83da6e9675f +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2022-05-05T15:45:00+00:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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