OpenStack Bobcat : How to use Ceilometer (Cinder)2023/10/10 |
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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.
------------+--------------------------+--------------------------+------------
| | |
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 +--------------------------------------+----------------------------+---------------------------------- | 530698ed-413e-4bda-b02e-8f6f60380bd1 | instance | f30cd546632e484cb24414d832076... | 08fd4272-e83e-5e79-8a9a-05905598f8a5 | instance_network_interface | f30cd546632e484cb24414d832076... | 6b32c72e-9cef-54f0-9a38-dc657e110413 | instance_disk | f30cd546632e484cb24414d832076... +--------------------------------------+----------------------------+---------------------------------- # 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 +--------------------------------------+----------------------------+---------------------------------- | 530698ed-413e-4bda-b02e-8f6f60380bd1 | instance | f30cd546632e484cb24414d832076... | 08fd4272-e83e-5e79-8a9a-05905598f8a5 | instance_network_interface | f30cd546632e484cb24414d832076... | 6b32c72e-9cef-54f0-9a38-dc657e110413 | instance_disk | f30cd546632e484cb24414d832076... | 26cfb920-601e-458d-b09c-c207a1852f8b | volume | f30cd546632e484cb24414d832076... +--------------------------------------+----------------------------+---------------------------------- # details of [volume] resource ubuntu@dlp ~(keystone)$ openstack metric resource show 26cfb920-601e-458d-b09c-c207a1852f8b +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 04b6d7802d9043cbb09ceb31fd68987b | | created_by_user_id | 1a0486c8d8664739b082ae0c97fa0cc3 | | creator | 1a0486c8d8664739b082ae0c97fa0cc3:04b6d7802d9043cbb09ceb31fd68987b | | ended_at | None | | id | 26cfb920-601e-458d-b09c-c207a1852f8b | | metrics | volume.size: 663dde62-68ef-4f11-988b-fb890d1928a5 | | original_resource_id | 26cfb920-601e-458d-b09c-c207a1852f8b | | project_id | f30cd546632e484cb24414d83207694b | | revision_end | None | | revision_start | 2023-10-10T00:33:45.153931+00:00 | | started_at | 2023-10-10T00:33:45.153925+00:00 | | type | volume | | user_id | 470c9323dad64bbea8fb5ecca6381f72 | +-----------------------+-------------------------------------------------------------------+ # display volume size data ubuntu@dlp ~(keystone)$ openstack metric measures show 663dde62-68ef-4f11-988b-fb890d1928a5 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2023-10-10T09:30:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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