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OpenStack Zed : Magnum 設定 (Control ノード)
2022/11/11
 
OpenStack Container Infrastructure Management Service(Magnum)をインストールします。
当例では以下のような環境を例に Network ノードに Magnum サービス一式をインストールします。
------------+-----------------------------+-----------------------------+------------
            |                             |                             |
        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  |     |      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    |
|  Barbican API         |     |    Heat API/Engine    |     |                       |
|                       |     |    Magnum Services    |     |                       |
+-----------------------+     +-----------------------+     +-----------------------+

[1] Control ノードの Keystone に Magnum 用のユーザー等々を登録しておきます。
# [service] プロジェクト所属で [magnum] ユーザーを作成

[root@dlp ~(keystone)]#
openstack user create --domain default --project service --password servicepassword magnum

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | 62f531f4d2934e75b8d7f11cd7d53be3 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 81a4793c2dbd4839bcb5ecedf70d1916 |
| name                | magnum                           |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# [magnum] ユーザーを [admin] ロール に加える

[root@dlp ~(keystone)]#
openstack role add --project service --user magnum admin
# [magnum] 用サービスエントリ作成

[root@dlp ~(keystone)]#
openstack service create --name magnum --description "OpenStack Containers Orchestration" container-infra

+-------------+------------------------------------+
| Field       | Value                              |
+-------------+------------------------------------+
| description | OpenStack Containers Orchestration |
| enabled     | True                               |
| id          | 5edf5f3e64324c80881d8ca8c66c3852   |
| name        | magnum                             |
| type        | container-infra                    |
+-------------+------------------------------------+

# Magnum API ホストを定義

[root@dlp ~(keystone)]#
export magnum_api=network.srv.world
# [magnum] 用エンドポイント作成 (public)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne container-infra public https://$magnum_api:9511/v1

+--------------+-----------------------------------+
| Field        | Value                             |
+--------------+-----------------------------------+
| enabled      | True                              |
| id           | 0745a36aee69462fa869e08e7b182708  |
| interface    | public                            |
| region       | RegionOne                         |
| region_id    | RegionOne                         |
| service_id   | 5edf5f3e64324c80881d8ca8c66c3852  |
| service_name | magnum                            |
| service_type | container-infra                   |
| url          | https://network.srv.world:9511/v1 |
+--------------+-----------------------------------+

# [magnum] 用エンドポイント作成 (internal)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne container-infra internal https://$magnum_api:9511/v1

+--------------+-----------------------------------+
| Field        | Value                             |
+--------------+-----------------------------------+
| enabled      | True                              |
| id           | 6c972a25d0694bcaab70ffc6135c757d  |
| interface    | internal                          |
| region       | RegionOne                         |
| region_id    | RegionOne                         |
| service_id   | 5edf5f3e64324c80881d8ca8c66c3852  |
| service_name | magnum                            |
| service_type | container-infra                   |
| url          | https://network.srv.world:9511/v1 |
+--------------+-----------------------------------+

# [magnum] 用エンドポイント作成 (admin)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne container-infra admin https://$magnum_api:9511/v1

+--------------+-----------------------------------+
| Field        | Value                             |
+--------------+-----------------------------------+
| enabled      | True                              |
| id           | db65eec1f38a4ee5b0c3bc9a09e7a4e4  |
| interface    | admin                             |
| region       | RegionOne                         |
| region_id    | RegionOne                         |
| service_id   | 5edf5f3e64324c80881d8ca8c66c3852  |
| service_name | magnum                            |
| service_type | container-infra                   |
| url          | https://network.srv.world:9511/v1 |
+--------------+-----------------------------------+

# [magnum] ドメイン作成

[root@dlp ~(keystone)]#
openstack domain create --description "Containers projects and users" magnum

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | Containers projects and users    |
| enabled     | True                             |
| id          | b85697bd1b73418b871a68ba692b11b8 |
| name        | magnum                           |
| options     | {}                               |
| tags        | []                               |
+-------------+----------------------------------+

# [magnum_domain_admin] ユーザー作成

[root@dlp ~(keystone)]#
openstack user create --domain magnum --password servicepassword magnum_domain_admin

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| domain_id           | b85697bd1b73418b871a68ba692b11b8 |
| enabled             | True                             |
| id                  | 40b1f36c06434e249f1828d4cfbd290a |
| name                | magnum_domain_admin              |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# [magnum_domain_admin] ユーザーを [admin] ロール に加える

[root@dlp ~(keystone)]#
openstack role add --domain magnum --user-domain magnum --user magnum_domain_admin admin
[2] Magnum 用のユーザーとデータベースを MariaDB に作成しておきます。
[root@dlp ~(keystone)]#
mysql

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 101
Server version: 10.5.16-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> create database magnum; 
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> grant all privileges on magnum.* to magnum@'localhost' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all privileges on magnum.* to magnum@'%' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> flush privileges; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> exit 
Bye
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