OpenStack Bobcat : How to use Ceilometer (Cinder)2023/10/27 |
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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 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 +--------------------------------------+----------------------------+---------------------------------- | 78b8c394-be14-4312-84e8-06eeebbd74f3 | instance | f4598dfd3b8a47149234b6892d18d... | c9aff847-aa53-5449-b384-1fcd612499fd | instance_network_interface | f4598dfd3b8a47149234b6892d18d... | e2b0e7f8-a93f-5ec4-851f-9e98ec9cd596 | instance_disk | f4598dfd3b8a47149234b6892d18d... +--------------------------------------+----------------------------+---------------------------------- # 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 +--------------------------------------+----------------------------+---------------------------------- | 78b8c394-be14-4312-84e8-06eeebbd74f3 | instance | f4598dfd3b8a47149234b6892d18d... | c9aff847-aa53-5449-b384-1fcd612499fd | instance_network_interface | f4598dfd3b8a47149234b6892d18d... | e2b0e7f8-a93f-5ec4-851f-9e98ec9cd596 | instance_disk | f4598dfd3b8a47149234b6892d18d... | aff2ccdf-9e34-4bf3-849d-50603b7c4806 | volume | f4598dfd3b8a47149234b6892d18d... +--------------------------------------+----------------------------+---------------------------------- # details of the resource [cent@dlp ~(keystone)]$ openstack metric resource show aff2ccdf-9e34-4bf3-849d-50603b7c4806 +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 5d97881520b34e6bbf1f15e778c82fe4 | | created_by_user_id | be0b90dfc5d24277ae1bfd45e4cac1f8 | | creator | be0b90dfc5d24277ae1bfd45e4cac1f8:5d97881520b34e6bbf1f15e778c82fe4 | | ended_at | None | | id | aff2ccdf-9e34-4bf3-849d-50603b7c4806 | | metrics | volume.size: 7b323eeb-dfe1-4454-8ee2-a44337b664f3 | | original_resource_id | aff2ccdf-9e34-4bf3-849d-50603b7c4806 | | project_id | f4598dfd3b8a47149234b6892d18d5a4 | | revision_end | None | | revision_start | 2023-10-27T01:07:55.530764+00:00 | | started_at | 2023-10-27T01:07:55.530759+00:00 | | type | volume | | user_id | d70a5f7908de4cd9aa8e189b725244a9 | +-----------------------+-------------------------------------------------------------------+ # display volume size data [cent@dlp ~(keystone)]$ openstack metric measures show 7b323eeb-dfe1-4454-8ee2-a44337b664f3 +---------------------------+-------------+-------+ | timestamp | granularity | value | +---------------------------+-------------+-------+ | 2023-10-27T10:05:00+09:00 | 300.0 | 10.0 | +---------------------------+-------------+-------+ |
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