Ubuntu 22.04
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OpenStack Zed : Designate 設定 (Control ノード)
2022/10/10
 
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  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    |
|                       |     |   Designate Services  |     |                       |
+-----------------------+     +-----------------------+     +-----------------------+

[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  | ee51c09c765e4a4d958c2bcc4dbb5665 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | df1bf0e015fc403a8ad42fd0dbdb98db |
| 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          | 4d062b4412854b77aa11687d47710154 |
| 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           | 09cc5926710f41c089b99a3b3d94e6c9 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 4d062b4412854b77aa11687d47710154 |
| 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           | 5c2f4b78ada14ffea7ebba253c707cbf |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 4d062b4412854b77aa11687d47710154 |
| 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           | 6870c18cf18f4c52affcb3e3dd3257bb |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 4d062b4412854b77aa11687d47710154 |
| 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 131
Server version: 10.6.7-MariaDB-2ubuntu1.1 Ubuntu 22.04

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
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