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OpenStack Caracal : Configure Designate (Control Node)2024/08/07

 

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  | 0b826f1bf49d489494e94badc32f2cea |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 532fcb745b564b2184c3355ceecdccac |
| 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          | 8d6f1a10f0e74f999eb23f23de933cdb |
| 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           | c398bdbc55fd4a999c03e91fcc2a21ce |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 8d6f1a10f0e74f999eb23f23de933cdb |
| 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           | e957db7b48e7456fa5f6fccb463ffd84 |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 8d6f1a10f0e74f999eb23f23de933cdb |
| 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           | a3feb43894194c1cb46520b8908c8e06 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 8d6f1a10f0e74f999eb23f23de933cdb |
| 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 119
Server version: 10.5.22-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 character set utf8mb3 collate utf8mb3_general_ci; 
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)]> exit 
Bye
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