OpenStack Dalmatian : How to use Ceilometer (Cinder)2024/10/16 |
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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 last line [oslo_messaging_notifications] driver = messagingv2 transport_url = rabbit://openstack:password@dlp.srv.world systemctl restart openstack-cinder-api openstack-cinder-scheduler |
| [2] | It's some example to display metrics and meters. |
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# list resources [cent@dlp ~(keystone)]$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | 3d753408-6705-4cbf-acd8-2e09d975b973 | instance | 756e2b4937c44d3991028e294f92d... | d9634b44-bf91-5f24-b3e9-a3f82258e684 | instance_disk | 756e2b4937c44d3991028e294f92d... | 7a63d41b-5fef-566a-bc9d-e4881287698c | instance_network_interface | 756e2b4937c44d3991028e294f92d... +--------------------------------------+----------------------------+---------------------------------- # test to create a volume [cent@dlp ~(keystone)]$ openstack volume create --size 10 disk01 # list resources [cent@dlp ~(keystone)]$ openstack metric resource list ----------+-----------------------------------------------------------------------+-------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | 3d753408-6705-4cbf-acd8-2e09d975b973 | instance | 756e2b4937c44d3991028e294f92d... | d9634b44-bf91-5f24-b3e9-a3f82258e684 | instance_disk | 756e2b4937c44d3991028e294f92d... | 7a63d41b-5fef-566a-bc9d-e4881287698c | instance_network_interface | 756e2b4937c44d3991028e294f92d... | 9116852b-c923-4797-8e34-5c3481cacee8 | volume | 756e2b4937c44d3991028e294f92d... +--------------------------------------+----------------------------+---------------------------------- # details of the resource [cent@dlp ~(keystone)]$ openstack metric resource show 9116852b-c923-4797-8e34-5c3481cacee8 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | aff8e7e402dc4d9e849bbe0e34fa4538 | | created_by_user_id | 49ad0cbb8d944b8fbe748507c42d0702 | | creator | 49ad0cbb8d944b8fbe748507c42d0702:aff8e7e402dc4d9e849bbe0e34fa4538 | | ended_at | None | | id | 9116852b-c923-4797-8e34-5c3481cacee8 | | metrics | volume.size: 12a6e16e-2087-4e13-b1e2-6c5697d9a1f1 | | original_resource_id | 9116852b-c923-4797-8e34-5c3481cacee8 | | project_id | 756e2b4937c44d3991028e294f92d89a | | revision_end | None | | revision_start | 2024-10-16T01:16:49.744174+00:00 | | started_at | 2024-10-16T01:16:33.207894+00:00 | | type | volume | | user_id | 19c7530debb54eb0bfe6dc47aae3df32 | +-----------------------+-------------------------------------------------------------------+ # display volume size data [cent@dlp ~(keystone)]$ openstack metric measures show 12a6e16e-2087-4e13-b1e2-6c5697d9a1f1 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2024-10-16T10:15:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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