OpenStack Train : How to use Ceilometer (Cinder)2019/10/29 |
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This is how to use OpenStack Telemetry Service (Ceilometer) for Cinder service.
This example is based on the emvironment 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 Cinder service to enable Telemetry data collention 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@10.0.0.30 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 +--------------------------------------+----------------------------+---------------------------------- | b3c21241-2800-4109-831b-6fd69d20ecf8 | instance | 67b2b71cee384d69939e6b3963e0b... | d54dd550-9c14-4cf2-a2d6-ab14f888154a | instance | 67b2b71cee384d69939e6b3963e0b... | 43264c22-f988-5ea1-be0a-3b9ff866bf42 | instance_disk | 67b2b71cee384d69939e6b3963e0b... | 5709365d-ea09-55b4-b95b-eda98ea55cf3 | instance_network_interface | 67b2b71cee384d69939e6b3963e0b... +--------------------------------------+----------------------------+---------------------------------- # 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 | user_id +--------------------------------------+----------------------------+----------------------------------+-------------- | aced428a-2d16-4679-9798-50e69c7aaf1d | instance | caab6ec580994e6481cd104b9d210f3f | b5dd128c2f... | 549a0c66-9dd0-5356-90c8-c742f46d46ca | instance_network_interface | caab6ec580994e6481cd104b9d210f3f | b5dd128c2f... | 291bfeb0-05f2-5918-8a0d-be2e6fdc0f6f | instance_disk | caab6ec580994e6481cd104b9d210f3f | b5dd128c2f... | a2e7b8cf-003d-4431-a4cc-c898169645d6 | instance | caab6ec580994e6481cd104b9d210f3f | b5dd128c2f... | 049d16c9-5e7b-47f0-ba5d-c336d4326834 | volume | 67b2b71cee384d69939e6b3963e0b2db | 14ad73cc98... +--------------------------------------+----------------------------+----------------------------------+-------------- # details of the resource [cent@dlp ~(keystone)]$ openstack metric resource show 049d16c9-5e7b-47f0-ba5d-c336d4326834 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 2b9c4eda462e40a4a3d03b0a38f12bf1 | | created_by_user_id | 30440c39a3d0472c94e30fbf13ee91a2 | | creator | 30440c39a3d0472c94e30fbf13ee91a2:2b9c4eda462e40a4a3d03b0a38f12bf1 | | ended_at | None | | id | 049d16c9-5e7b-47f0-ba5d-c336d4326834 | | metrics | volume.size: b70f1492-91fd-4c90-a891-64ada782a837 | | original_resource_id | 049d16c9-5e7b-47f0-ba5d-c336d4326834 | | project_id | 67b2b71cee384d69939e6b3963e0b2db | | revision_end | None | | revision_start | 2019-10-29T02:20:29.423826+00:00 | | started_at | 2019-10-29T02:20:29.423813+00:00 | | type | volume | | user_id | 14ad73cc98744e01a51886e13d541013 | +-----------------------+-------------------------------------------------------------------+ # display volume size [cent@dlp ~(keystone)]$ openstack metric measures show b70f1492-91fd-4c90-a891-64ada782a837 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2019-10-29T11:20:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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