OpenStack Victoria : How to use Ceilometer (Cinder)2021/09/02 |
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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
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Network Node ] | | [ Compute Node ] |
| | | | | |
| MariaDB RabbitMQ | | Linux Bridge | | Libvirt |
| Memcached httpd | | L2 Agent | | Nova Compute |
| Keystone Glance | | L3 Agent | | Linux Bridge |
| Nova_API Cinder_API | | Metadata Agent | | L2 Agent |
| Neutron Server | | Cinder Volume | | Ceilometer Compute |
| Metadata Agent | | Heat API | | |
| | | Heat Engine | | |
| | | Gnocchi httpd | | |
| | | 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 cinder-api cinder-scheduler |
| [2] | It's some examples to display metrics and meters. |
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# display resources debian@dlp ~(keystone)$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | 86981ae7-d713-414f-966c-ac22387a3226 | instance | cba75a02a921457db62b660f3d0b5... | 0697ef58-ac47-5747-bdeb-d4a60a3f068c | instance_disk | cba75a02a921457db62b660f3d0b5... | 6d90e531-c30c-5aa3-bdd2-2b43032ef4cf | instance_network_interface | cba75a02a921457db62b660f3d0b5... +--------------------------------------+----------------------------+---------------------------------- # test to create a volume debian@dlp ~(keystone)$ openstack volume create --size 10 disk01 # display resources debian@dlp ~(keystone)$ openstack metric resource list +--------------------------------------+----------------------------+---------------------------------- | id | type | project_id +--------------------------------------+----------------------------+---------------------------------- | 86981ae7-d713-414f-966c-ac22387a3226 | instance | cba75a02a921457db62b660f3d0b5... | 0697ef58-ac47-5747-bdeb-d4a60a3f068c | instance_disk | cba75a02a921457db62b660f3d0b5... | 6d90e531-c30c-5aa3-bdd2-2b43032ef4cf | instance_network_interface | cba75a02a921457db62b660f3d0b5... | 884d1da6-bf6b-4657-952a-adc354f18a96 | volume | cba75a02a921457db62b660f3d0b5... +--------------------------------------+----------------------------+---------------------------------- # details of [volume] resource debian@dlp ~(keystone)$ openstack metric resource show 884d1da6-bf6b-4657-952a-adc354f18a96 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 1718217eee4b4f2ea143d65122864fe0 | | created_by_user_id | 64e62f8bd1714a02998bdd2c3015f940 | | creator | 64e62f8bd1714a02998bdd2c3015f940:1718217eee4b4f2ea143d65122864fe0 | | ended_at | None | | id | 884d1da6-bf6b-4657-952a-adc354f18a96 | | metrics | volume.size: 3011a15b-c751-4412-a12b-1145a232ba4c | | original_resource_id | 884d1da6-bf6b-4657-952a-adc354f18a96 | | project_id | cba75a02a921457db62b660f3d0b57c4 | | revision_end | None | | revision_start | 2021-09-02T06:01:57.423487+00:00 | | started_at | 2021-09-02T06:01:57.423461+00:00 | | type | volume | | user_id | 62a91aa559f64acab11861ed7cd51ecc | +-----------------------+-------------------------------------------------------------------+ # display volume size data debian@dlp ~(keystone)$ openstack metric measures show 3011a15b-c751-4412-a12b-1145a232ba4c +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2021-09-02T01:00:00-05:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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