OpenStack Bobcat : How to use Ceilometer (Glance)2023/10/27 |
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This is how to use OpenStack Telemetry Service (Ceilometer) for Glance 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 Glance service to enable Telemetry data collection like follows. |
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[root@dlp ~(keystone)]#
vi /etc/glance/glance-api.conf # add to the end [oslo_messaging_notifications] driver = messagingv2 # RabbitMQ connection info transport_url = rabbit://openstack:password@dlp.srv.world systemctl restart openstack-glance-api |
| [2] | It's some example to display metrics and meters. |
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# list resources [root@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... +--------------------------------------+----------------------------+----------------------------------[root@dlp ~(keystone)]# openstack image list +--------------------------------------+----------------+--------+ | ID | Name | Status | +--------------------------------------+----------------+--------+ | bcbaa323-2438-4f5e-9473-49f633bb8f9b | CentOS-Stream9 | active | +--------------------------------------+----------------+--------+ # test to download an image [root@dlp ~(keystone)]# openstack image save --file centos-st9.qcow2 CentOS-Stream9 # test to add an image [root@dlp ~(keystone)]# openstack image create "CentOS-ST9" --file centos-st9.qcow2 --disk-format qcow2 --container-format bare --public # list resources [root@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... | ad123651-8777-4397-8006-c6dc58dceefb | image | d9d13fdc603c42f69a0ea034b64a3... +--------------------------------------+----------------------------+---------------------------------- # details of the resource [root@dlp ~(keystone)]# openstack metric resource show ad123651-8777-4397-8006-c6dc58dceefb +-----------------------+-------------------------------------------------------------------+ | Field | Value | +-----------------------+-------------------------------------------------------------------+ | created_by_project_id | 5d97881520b34e6bbf1f15e778c82fe4 | | created_by_user_id | be0b90dfc5d24277ae1bfd45e4cac1f8 | | creator | be0b90dfc5d24277ae1bfd45e4cac1f8:5d97881520b34e6bbf1f15e778c82fe4 | | ended_at | None | | id | ad123651-8777-4397-8006-c6dc58dceefb | | metrics | image.size: ef84a4bc-49a2-4f64-a81c-1019de973b24 | | original_resource_id | ad123651-8777-4397-8006-c6dc58dceefb | | project_id | d9d13fdc603c42f69a0ea034b64a3cdb | | revision_end | None | | revision_start | 2023-10-27T01:03:00.043566+00:00 | | started_at | 2023-10-27T01:03:00.043559+00:00 | | type | image | | user_id | None | +-----------------------+-------------------------------------------------------------------+ # display image size data [root@dlp ~(keystone)]# openstack metric measures show ef84a4bc-49a2-4f64-a81c-1019de973b24 +---------------------------+-------------+--------------+ | timestamp | granularity | value | +---------------------------+-------------+--------------+ | 2023-10-27T10:00:00+09:00 | 300.0 | 3478323200.0 | +---------------------------+-------------+--------------+ |
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