OpenStack Yoga : How to use Ceilometer (Cinder)2022/06/13 |
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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 httpd | | Neutron Server | | Nova Compute |
| Keystone Glance | | OVN-Northd | | Open vSwitch |
| Nova API Cinder API | | Cinder Volume | | OVN Metadata Agent |
| | | Gnocchi httpd | | OVN-Controller |
| | | Ceilometer Central | | Ceilometer Compute |
+-----------------------+ +-----------------------+ +-----------------------+
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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 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 +--------------------------------------+----------------------------+---------------------------------- | 25ef320e-b16e-4085-96ef-af7fa0d33cfb | instance | 911e5ff7686741c782d6acc6d7155... | f7e5361a-fd6c-568a-a718-0168c5ae2c65 | instance_network_interface | 911e5ff7686741c782d6acc6d7155... | 4f70f768-ed81-58c8-be82-704e89dfc79d | instance_disk | 911e5ff7686741c782d6acc6d7155... +--------------------------------------+----------------------------+---------------------------------- # 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 +--------------------------------------+----------------------------+---------------------------------- | 25ef320e-b16e-4085-96ef-af7fa0d33cfb | instance | 911e5ff7686741c782d6acc6d7155... | f7e5361a-fd6c-568a-a718-0168c5ae2c65 | instance_network_interface | 911e5ff7686741c782d6acc6d7155... | 4f70f768-ed81-58c8-be82-704e89dfc79d | instance_disk | 911e5ff7686741c782d6acc6d7155... | bddbc46f-d71b-4a47-95b9-b3f655bbe3a2 | volume | 911e5ff7686741c782d6acc6d7155... +--------------------------------------+----------------------------+---------------------------------- # details of the resource [cent@dlp ~(keystone)]$ openstack metric resource show bddbc46f-d71b-4a47-95b9-b3f655bbe3a2 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 0f2625947bf0433a9519ba8a29434bdf | | created_by_user_id | efeba9b14c234edbb78d0cbad397e6ed | | creator | efeba9b14c234edbb78d0cbad397e6ed:0f2625947bf0433a9519ba8a29434bdf | | ended_at | None | | id | bddbc46f-d71b-4a47-95b9-b3f655bbe3a2 | | metrics | volume.size: f00f547e-cbe3-4e2d-af34-f1d171a62f51 | | original_resource_id | bddbc46f-d71b-4a47-95b9-b3f655bbe3a2 | | project_id | 911e5ff7686741c782d6acc6d7155db1 | | revision_end | None | | revision_start | 2022-06-13T06:23:13.199611+00:00 | | started_at | 2022-06-13T06:23:13.199604+00:00 | | type | volume | | user_id | 1ff4591a7f8140fcad38fd9f606a66a6 | +-----------------------+-------------------------------------------------------------------+ # display volume size data [cent@dlp ~(keystone)]$ openstack metric measures show f00f547e-cbe3-4e2d-af34-f1d171a62f51 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2022-06-13T15:20:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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