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OpenStack Zed : Ceilometer 利用方法 (Cinder)2023/06/30

 
OpenStack Telemetry Service (Ceilometer) の利用方法です。
当例では以下のような環境を例に Ceilometer サービスをインストールしています。
------------+--------------------------+--------------------------+------------
            |                          |                          |
        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  |  |  Neutron L2/L3 Agent  |  |        Libvirt        |
|  Memcached  Nginx     |  |   Neutron Metadata    |  |      Nova Compute     |
|  Keystone   httpd     |  |     Open vSwitch      |  |    Neutron L2 Agent   |
|  Glance     Nova API  |  |     iSCSI Target      |  |      Open vSwitch     |
|  Neutron Server       |  |     Cinder Volume     |  |   Ceilometer Compute  |
|  Neutron Metadata     |  |     httpd  Gnocchi    |  |                       |
|  Cinder API           |  |   Ceilometer Central  |  |                       |
+-----------------------+  +-----------------------+  +-----------------------+

[1] Block Storage サービスの各種データ収集を有効にするには、Cinder を以下のように設定します。
Cinder 関連サービスが稼働する全ノードで設定変更します。
root@dlp ~(keystone)#
vi /etc/cinder/cinder.conf
# 最終行へ追記

[oslo_messaging_notifications]
driver = messagingv2
transport_url = rabbit://openstack:password@dlp.srv.world
root@dlp ~(keystone)#
systemctl restart cinder-api cinder-scheduler

[2] 任意のユーザーでボリュームを作成した場合に収集されるデータの表示例です。
# リソース一覧

debian@dlp ~(keystone)$
openstack metric resource list

+--------------------------------------+----------------------------+----------------------------------
| id                                   | type                       | project_id                       
+--------------------------------------+----------------------------+----------------------------------
| c3a4a792-a7ac-41bd-8c93-7fd162016f22 | instance                   | 1c2f5dc8c4f9494fbaaa4217c8e35... 
| 88e37527-710f-53a8-9bb3-4cf76791b60b | instance_disk              | 1c2f5dc8c4f9494fbaaa4217c8e35... 
| 18c74205-a37f-5ea3-b7db-c342b76a24c2 | instance_network_interface | 1c2f5dc8c4f9494fbaaa4217c8e35... 
+--------------------------------------+----------------------------+----------------------------------

# テストとしてボリューム作成

debian@dlp ~(keystone)$
openstack volume create --size 10 disk01

# リソース一覧

debian@dlp ~(keystone)$
openstack metric resource list

+--------------------------------------+----------------------------+----------------------------------
| id                                   | type                       | project_id                       
+--------------------------------------+----------------------------+----------------------------------
| c3a4a792-a7ac-41bd-8c93-7fd162016f22 | instance                   | 1c2f5dc8c4f9494fbaaa4217c8e35... 
| 88e37527-710f-53a8-9bb3-4cf76791b60b | instance_disk              | 1c2f5dc8c4f9494fbaaa4217c8e35... 
| 18c74205-a37f-5ea3-b7db-c342b76a24c2 | instance_network_interface | 1c2f5dc8c4f9494fbaaa4217c8e35... 
| f7b74e86-2484-42f1-b657-ecf7fa8b61f8 | volume                     | 1c2f5dc8c4f9494fbaaa4217c8e35... 
+--------------------------------------+----------------------------+----------------------------------

# [volume] リソース詳細

debian@dlp ~(keystone)$
openstack metric resource show f7b74e86-2484-42f1-b657-ecf7fa8b61f8

+-----------------------+-------------------------------------------------------------------+
| Field                 | Value                                                             |
+-----------------------+-------------------------------------------------------------------+
| created_by_project_id | d8b09d86ed7743039f92b2e542ea26c1                                  |
| created_by_user_id    | 89f390200afd4423bd9322787a94efa8                                  |
| creator               | 89f390200afd4423bd9322787a94efa8:d8b09d86ed7743039f92b2e542ea26c1 |
| ended_at              | None                                                              |
| id                    | f7b74e86-2484-42f1-b657-ecf7fa8b61f8                              |
| metrics               | volume.size: ceba3cc3-7960-452d-b642-f17ea5c2885f                 |
| original_resource_id  | f7b74e86-2484-42f1-b657-ecf7fa8b61f8                              |
| project_id            | 1c2f5dc8c4f9494fbaaa4217c8e3585a                                  |
| revision_end          | None                                                              |
| revision_start        | 2023-06-30T02:52:34.627128+00:00                                  |
| started_at            | 2023-06-30T02:52:34.627122+00:00                                  |
| type                  | volume                                                            |
| user_id               | de51d5f0ee2c485885877d21f5b424e0                                  |
+-----------------------+-------------------------------------------------------------------+

# ボリューム サイズ データ

debian@dlp ~(keystone)$
openstack metric measures show ceba3cc3-7960-452d-b642-f17ea5c2885f

+---------------------------+-------------+-------+
| timestamp                 | granularity | value |
+---------------------------+-------------+-------+
| 2023-06-29T21:50:00-05:00 |       300.0 |  10.0 |
+---------------------------+-------------+-------+
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