OpenStack Stein : How to use Ceilometer (Cinder)2019/05/17 |
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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.
------------+---------------------------+---------------------------+------------
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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 | user_id +--------------------------------------+----------------------------+----------------------------------+------------- | aced428a-2d16-4679-9798-50e69c7aaf1d | instance | caab6ec580994e6481cd104b9d210f3f | b5dd128c2... | 549a0c66-9dd0-5356-90c8-c742f46d46ca | instance_network_interface | caab6ec580994e6481cd104b9d210f3f | b5dd128c2... | 291bfeb0-05f2-5918-8a0d-be2e6fdc0f6f | instance_disk | caab6ec580994e6481cd104b9d210f3f | b5dd128c2... | a2e7b8cf-003d-4431-a4cc-c898169645d6 | instance | caab6ec580994e6481cd104b9d210f3f | b5dd128c2... +--------------------------------------+----------------------------+----------------------------------+------------- # 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... | a5def4e5-7028-40a8-bff8-8320f3af8121 | volume | caab6ec580994e6481cd104b9d210f3f | b5dd128c2f... +--------------------------------------+----------------------------+----------------------------------+-------------- # details of the resource [cent@dlp ~(keystone)]$ openstack metric resource show a5def4e5-7028-40a8-bff8-8320f3af8121 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | c5e87c9b460e4f16801b4102019c97e6 | | created_by_user_id | afc534e952064ca2b16fc3e242c15665 | | creator | afc534e952064ca2b16fc3e242c15665:c5e87c9b460e4f16801b4102019c97e6 | | ended_at | None | | id | a5def4e5-7028-40a8-bff8-8320f3af8121 | | metrics | volume.size: c07d4b83-532b-4f9d-9604-6c24de484ef7 | | original_resource_id | a5def4e5-7028-40a8-bff8-8320f3af8121 | | project_id | caab6ec580994e6481cd104b9d210f3f | | revision_end | None | | revision_start | 2019-05-17T06:57:53.329560+00:00 | | started_at | 2019-05-17T06:57:53.329481+00:00 | | type | volume | | user_id | b5dd128c2fd744c892ad7d1fb39d21a0 | +-----------------------+-------------------------------------------------------------------+ # display volume size [cent@dlp ~(keystone)]$ openstack metric measures show c07d4b83-532b-4f9d-9604-6c24de484ef7 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2019-05-17T15:55:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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