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OpenStack Zed : Configure Designate (Control Node)
2022/11/11
 
Install OpenStack DNS Service (Designate).
This example is based on the environment like follows.
Install Designate services on Network Node and also install BIND 9 as a backend DNS service on it.
------------+-----------------------------+-----------------------------+------------
            |                             |                             |
        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] Add users and others for Designate in Keystone.
# create [designate] user in [service] project

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | 62f531f4d2934e75b8d7f11cd7d53be3 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | ec9d98ebf13c41d1a9a69fcfad792c48 |
| name                | designate                        |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# add [designate] user in [admin] role

[root@dlp ~(keystone)]#
openstack role add --project service --user designate admin
# create service entry for [designate]

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

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack DNS Service            |
| enabled     | True                             |
| id          | 3198e9d314da470badc1997c6522e1d7 |
| name        | designate                        |
| type        | dns                              |
+-------------+----------------------------------+

# define Designate API Host

[root@dlp ~(keystone)]#
export designate_api=network.srv.world
# create endpoint for [designate] (public)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 28e6370d9ecc4296ac488cd4e1667846 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 3198e9d314da470badc1997c6522e1d7 |
| service_name | designate                        |
| service_type | dns                              |
| url          | https://network.srv.world:9001/  |
+--------------+----------------------------------+

# create endpoint for [designate] (internal)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | bccd2c4780c04b45a533e9c6a91f14c6 |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 3198e9d314da470badc1997c6522e1d7 |
| service_name | designate                        |
| service_type | dns                              |
| url          | https://network.srv.world:9001/  |
+--------------+----------------------------------+

# create endpoint for [designate] (admin)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | e71a1eed47cb43faa513e428ea30357e |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 3198e9d314da470badc1997c6522e1d7 |
| service_name | designate                        |
| service_type | dns                              |
| url          | https://network.srv.world:9001/  |
+--------------+----------------------------------+
[2] Add a User and Database on MariaDB for Designate.
[root@dlp ~(keystone)]#
mysql

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 116
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 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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