CentOS Stream 8
Sponsored Link

OpenStack Yoga : Designate 設定 (Control ノード)2022/06/01

 
OpenStack DNS Service(Designate)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 Designate をインストールします。
Network ノードに Designate サービス一式をインストールし、バックエンドの DNS サービスとして BIND 9 を設定します。
BIND 9 以外にも PowerDNS などもバックエンド DNS として利用可能です。
------------+-----------------------------+-----------------------------+------------
            |                             |                             |
        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  httpd     |     |     Neutron Server    |     |      Nova Compute     |
|  Keystone   Glance    |     |      OVN-Northd       |     |      Open vSwitch     |
|  Nova API  Cinder API |     |     Cinder Volume     |     |   OVN Metadata Agent  |
|                       |     |   Designate Services  |     |     OVN-Controller    |
+-----------------------+     +-----------------------+     +-----------------------+

[1] Control ノードの Keystone に Designate 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 [designate] ユーザーを作成

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | 8787527217494c6a87dd5a3b68dce1ef |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 1609c406330042dd815a75f05e799ddb |
| name                | designate                        |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# [designate] ユーザーを [admin] ロール に加える

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

[root@dlp ~(keystone)]#
openstack service create --name designate --description "OpenStack DNS Service" dns

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack DNS Service            |
| enabled     | True                             |
| id          | 962cb80d0719464b860d1dacfc7d89ab |
| name        | designate                        |
| type        | dns                              |
+-------------+----------------------------------+

# Designate API ホストを定義

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

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne dns public https://$designate_api:9001/

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | c686a6d9f8c543328d19a75093ba7cbe |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 962cb80d0719464b860d1dacfc7d89ab |
| service_name | designate                        |
| service_type | dns                              |
| url          | https://network.srv.world:9001/  |
+--------------+----------------------------------+

# [designate] 用エンドポイント作成 (internal)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne dns internal https://$designate_api:9001/

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 85e61f84cf0f4199ad5a36182125145f |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 962cb80d0719464b860d1dacfc7d89ab |
| service_name | designate                        |
| service_type | dns                              |
| url          | https://network.srv.world:9001/  |
+--------------+----------------------------------+

# [designate] 用エンドポイント作成 (admin)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne dns admin https://$designate_api:9001/

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 22cf0180496347169e70fba573ef20d7 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 962cb80d0719464b860d1dacfc7d89ab |
| service_name | designate                        |
| service_type | dns                              |
| url          | https://network.srv.world:9001/  |
+--------------+----------------------------------+
[2] Designate 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 114
Server version: 10.5.9-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 designate; 
Query OK, 1 row affected (0.00 sec)

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

MariaDB [(none)]> grant all privileges on designate.* to designate@'%' 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
関連コンテンツ