Ubuntu 18.04
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OpenStack Rocky : Designate 設定#1
2018/09/18
 
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
+-----------+-----------+   +-----------+-----------+   +-----------+-----------+
|    [ Control Node ]   |   |    [ Network Node ]   |   |    [ Compute Node ]   |
|                       |   |                       |   |                       |
|  MariaDB    RabbitMQ  |   |      Linux Bridge     |   |        Libvirt        |
|  Memcached  httpd     |   |   L2 Agent L3 Agent   |   |     Nova Compute      |
|  Keystone   Glance    |   |     Metadata Agent    |   |      Linux Bridge     |
|  Nova API  Cinder API |   |     Cinder Volume     |   |        L2 Agent       |
|  Neutron Server       |   |        Heat API       |   |                       |
|  Metadata Agent       |   |      Heat Engine      |   |                       |
|                       |   |   Designate Services  |   |                       |
|                       |   |   named               |   |                       |
+-----------------------+   +-----------------------+   +-----------------------+

[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。
# designate ユーザー作成 (service プロジェクト所属)

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | aaeee626080841a491235fb06e77f10c |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 9ce586a8e0a144ceb8d644065277c605 |
| 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          | 1e708d7ee4ff4181bf66bf4362c3da2a |
| name        | designate                        |
| type        | dns                              |
+-------------+----------------------------------+

# Designate API ホストを定義しておく

root@dlp ~(keystone)#
export designate_api=10.0.0.50
# designate 用エンドポイント作成 (public)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 6b2e0395d05f48bb8946fc070ef71745 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 1e708d7ee4ff4181bf66bf4362c3da2a |
| service_name | designate                        |
| service_type | dns                              |
| url          | http://10.0.0.50:9001/           |
+--------------+----------------------------------+

# designate 用エンドポイント作成 (internal)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 44848681e2b34c3cb25fd232035531dd |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 1e708d7ee4ff4181bf66bf4362c3da2a |
| service_name | designate                        |
| service_type | dns                              |
| url          | http://10.0.0.50:9001/           |
+--------------+----------------------------------+

# designate 用エンドポイント作成 (admin)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 9abf632232cf44679f2c9504915b91c7 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 1e708d7ee4ff4181bf66bf4362c3da2a |
| service_name | designate                        |
| service_type | dns                              |
| url          | http://10.0.0.50:9001/           |
+--------------+----------------------------------+
[2] Designate 用のユーザーとデータベースを MariaDB に登録しておきます。
root@dlp ~(keystone)#
mysql -u root -p

Enter password:
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 113
Server version: 10.1.34-MariaDB-0ubuntu0.18.04.1 Ubuntu 18.04

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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