OpenStack Zed : How to use Ceilometer (Cinder)2022/10/11 |
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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.
------------+-----------------------------+-----------------------------+------------
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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 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 +--------------------------------------+----------------------------+---------------------------------- | a456ee32-b105-4c5e-8eae-ddccb48f913e | instance | 4dd1e1f6bac441ff9c77002c3ab4c58a | dff4e871-53dc-5531-a1f2-3da5e7f69191 | instance_network_interface | 4dd1e1f6bac441ff9c77002c3ab4c58a | d90cfa81-9edd-51cb-8521-ac01203c3797 | instance_disk | 4dd1e1f6bac441ff9c77002c3ab4c58a +--------------------------------------+----------------------------+---------------------------------- # 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 +--------------------------------------+----------------------------+---------------------------------- | a456ee32-b105-4c5e-8eae-ddccb48f913e | instance | 4dd1e1f6bac441ff9c77002c3ab4c58a | dff4e871-53dc-5531-a1f2-3da5e7f69191 | instance_network_interface | 4dd1e1f6bac441ff9c77002c3ab4c58a | d90cfa81-9edd-51cb-8521-ac01203c3797 | instance_disk | 4dd1e1f6bac441ff9c77002c3ab4c58a | 303c417d-095c-4d30-a785-8831993d17e3 | volume | 4dd1e1f6bac441ff9c77002c3ab4c58a +--------------------------------------+----------------------------+---------------------------------- # details of [volume] resource ubuntu@dlp ~(keystone)$ openstack metric resource show 303c417d-095c-4d30-a785-8831993d17e3 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | ee51c09c765e4a4d958c2bcc4dbb5665 | | created_by_user_id | 1070f194127a4a52aca630dab3365662 | | creator | 1070f194127a4a52aca630dab3365662:ee51c09c765e4a4d958c2bcc4dbb5665 | | ended_at | None | | id | 303c417d-095c-4d30-a785-8831993d17e3 | | metrics | volume.size: 6785e117-fef4-4b66-8f67-e852cf4f9890 | | original_resource_id | 303c417d-095c-4d30-a785-8831993d17e3 | | project_id | 4dd1e1f6bac441ff9c77002c3ab4c58a | | revision_end | None | | revision_start | 2022-10-11T00:50:24.721777+00:00 | | started_at | 2022-10-11T00:50:24.721772+00:00 | | type | volume | | user_id | 9345b7f4de21427abf31ad308cf952f8 | +-----------------------+-------------------------------------------------------------------+ # display volume size data ubuntu@dlp ~(keystone)$ openstack metric measures show 6785e117-fef4-4b66-8f67-e852cf4f9890 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2022-10-11T00:50:00+00:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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