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OpenStack Xena : Designate 利用方法
2021/11/24
 
OpenStack DNS Service(Designate)の利用方法です。
当例では以下のような環境を例に Designate をインストールしています。
------------+---------------------------+---------------------------+------------
            |                           |                           |
        eth0|10.0.0.30              eth0|10.0.0.50              eth0|10.0.0.51
+-----------+-----------+   +-----------+-----------+   +-----------+-----------+
|    [ 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 Volume     |   |   OVN Metadata Agent  |
|  Cinder API           |   |      iSCSI Target     |   |     OVN-Controller    |
|                       |   |   Designate Services  |   |                       |
+-----------------------+   +-----------------------+   +-----------------------+

[1] Openstack システムを利用可能な任意のユーザーで認証して、DNS エントリを作成します。
作業は、どこでもよいですが、当例ではコントロールノード上で行います。
例として [server.education] の正引きゾーンを作成します。
[cent@dlp ~(keystone)]$
openstack zone create --email dnsmaster@server.education server.education.

+----------------+--------------------------------------+
| Field          | Value                                |
+----------------+--------------------------------------+
| action         | CREATE                               |
| attributes     |                                      |
| created_at     | 2021-11-24T07:47:49.000000           |
| description    | None                                 |
| email          | dnsmaster@server.education           |
| id             | 87b30616-9b03-466c-af32-0c41c1d71a46 |
| masters        |                                      |
| name           | server.education.                    |
| pool_id        | 794ccc2c-d751-44fe-b57f-8894c9f5c842 |
| project_id     | 2decda8bcd724687a1cf05064ab21fdf     |
| serial         | 1637740069                           |
| status         | PENDING                              |
| transferred_at | None                                 |
| ttl            | 3600                                 |
| type           | PRIMARY                              |
| updated_at     | None                                 |
| version        | 1                                    |
+----------------+--------------------------------------+

# [status] が [ACTIVE] であれば OK

[cent@dlp ~(keystone)]$
openstack zone list

+--------------------------------------+-------------------+---------+------------+--------+--------+
| id                                   | name              | type    |     serial | status | action |
+--------------------------------------+-------------------+---------+------------+--------+--------+
| 87b30616-9b03-466c-af32-0c41c1d71a46 | server.education. | PRIMARY | 1637740069 | ACTIVE | NONE   |
+--------------------------------------+-------------------+---------+------------+--------+--------+

# A レコードを登録する

[cent@dlp ~(keystone)]$
openstack recordset create --record '192.168.100.10' --type A server.education. node01

+-------------+--------------------------------------+
| Field       | Value                                |
+-------------+--------------------------------------+
| action      | CREATE                               |
| created_at  | 2021-11-24T07:48:15.000000           |
| description | None                                 |
| id          | 0e6baa20-c089-47b7-9796-37ecfeee1923 |
| name        | node01.server.education.             |
| project_id  | 2decda8bcd724687a1cf05064ab21fdf     |
| records     | 192.168.100.10                       |
| status      | PENDING                              |
| ttl         | None                                 |
| type        | A                                    |
| updated_at  | None                                 |
| version     | 1                                    |
| zone_id     | 87b30616-9b03-466c-af32-0c41c1d71a46 |
| zone_name   | server.education.                    |
+-------------+--------------------------------------+

# [status] が [ACTIVE] であれば OK

[cent@dlp ~(keystone)]$
openstack recordset list server.education.

+--------------------------------------+--------------------------+------+-------------------------------------------------------------------------------+--------+--------+
| id                                   | name                     | type | records                                                                       | status | action |
+--------------------------------------+--------------------------+------+-------------------------------------------------------------------------------+--------+--------+
| 1f646e3f-f6c9-444a-a2a2-53e7cd0d223a | server.education.        | SOA  | network.srv.world. dnsmaster.server.education. 1637740095 3510 600 86400 3600 | ACTIVE | NONE   |
| b2b2a7a0-eccd-488b-9b4a-34c6e831ea68 | server.education.        | NS   | network.srv.world.                                                            | ACTIVE | NONE   |
| 0e6baa20-c089-47b7-9796-37ecfeee1923 | node01.server.education. | A    | 192.168.100.10                                                                | ACTIVE | NONE   |
+--------------------------------------+--------------------------+------+-------------------------------------------------------------------------------+--------+--------+

# 確認

[cent@dlp ~(keystone)]$
dig -p 5354 @network.srv.world node01.server.education.


; <<>> DiG 9.11.26-RedHat-9.11.26-6.el8 <<>> -p 5354 @network.srv.world node01.server.education.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; -<<>>HEADER<<- opcode: QUERY, status: NOERROR, id: 53877
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 8192
;; QUESTION SECTION:
;node01.server.education.       IN      A

;; ANSWER SECTION:
node01.server.education. 3600   IN      A       192.168.100.10

;; Query time: 24 msec
;; SERVER: 10.0.0.50#5354(10.0.0.50)
;; WHEN: Wed Nov 24 16:48:44 JST 2021
;; MSG SIZE  rcvd: 68
[2] 例として [192.168.100.0/24] の逆引きゾーンを作成します。
[cent@dlp ~(keystone)]$
openstack zone create --email dnsmaster@server.education 100.168.192.in-addr.arpa.

+----------------+--------------------------------------+
| Field          | Value                                |
+----------------+--------------------------------------+
| action         | CREATE                               |
| attributes     |                                      |
| created_at     | 2021-11-24T07:49:21.000000           |
| description    | None                                 |
| email          | dnsmaster@server.education           |
| id             | 662a6700-5576-4a28-a8c4-273492993c54 |
| masters        |                                      |
| name           | 100.168.192.in-addr.arpa.            |
| pool_id        | 794ccc2c-d751-44fe-b57f-8894c9f5c842 |
| project_id     | 2decda8bcd724687a1cf05064ab21fdf     |
| serial         | 1637740161                           |
| status         | PENDING                              |
| transferred_at | None                                 |
| ttl            | 3600                                 |
| type           | PRIMARY                              |
| updated_at     | None                                 |
| version        | 1                                    |
+----------------+--------------------------------------+

# [status] が [ACTIVE] であれば OK

[cent@dlp ~(keystone)]$
openstack zone list

+--------------------------------------+---------------------------+---------+------------+--------+--------+
| id                                   | name                      | type    |     serial | status | action |
+--------------------------------------+---------------------------+---------+------------+--------+--------+
| 87b30616-9b03-466c-af32-0c41c1d71a46 | server.education.         | PRIMARY | 1637740095 | ACTIVE | NONE   |
| 662a6700-5576-4a28-a8c4-273492993c54 | 100.168.192.in-addr.arpa. | PRIMARY | 1637740161 | ACTIVE | NONE   |
+--------------------------------------+---------------------------+---------+------------+--------+--------+

# PTR レコードを登録する

[cent@dlp ~(keystone)]$
openstack recordset create --record 'node01.server.education.' --type PTR 100.168.192.in-addr.arpa. 10

+-------------+--------------------------------------+
| Field       | Value                                |
+-------------+--------------------------------------+
| action      | CREATE                               |
| created_at  | 2021-11-24T07:49:52.000000           |
| description | None                                 |
| id          | 6c7bf71d-2729-4f30-b0c7-646de303cb06 |
| name        | 10.100.168.192.in-addr.arpa.         |
| project_id  | 2decda8bcd724687a1cf05064ab21fdf     |
| records     | node01.server.education.             |
| status      | PENDING                              |
| ttl         | None                                 |
| type        | PTR                                  |
| updated_at  | None                                 |
| version     | 1                                    |
| zone_id     | 662a6700-5576-4a28-a8c4-273492993c54 |
| zone_name   | 100.168.192.in-addr.arpa.            |
+-------------+--------------------------------------+

# [status] が [ACTIVE] であれば OK

[cent@dlp ~(keystone)]$
openstack recordset list 100.168.192.in-addr.arpa.

+--------------------------------------+------------------------------+------+-------------------------------------------------------------------------------+--------+--------+
| id                                   | name                         | type | records                                                                       | status | action |
+--------------------------------------+------------------------------+------+-------------------------------------------------------------------------------+--------+--------+
| 56bff51c-83fb-424f-9870-27defbb48158 | 100.168.192.in-addr.arpa.    | SOA  | network.srv.world. dnsmaster.server.education. 1637740192 3584 600 86400 3600 | ACTIVE | NONE   |
| d3f6d625-a7d3-49e1-954d-0091cd27a1a0 | 100.168.192.in-addr.arpa.    | NS   | network.srv.world.                                                            | ACTIVE | NONE   |
| 6c7bf71d-2729-4f30-b0c7-646de303cb06 | 10.100.168.192.in-addr.arpa. | PTR  | node01.server.education.                                                      | ACTIVE | NONE   |
+--------------------------------------+------------------------------+------+-------------------------------------------------------------------------------+--------+--------+

# 確認

[cent@dlp ~(keystone)]$
dig -p 5354 @network.srv.world -x 192.168.100.10


; <<>> DiG 9.11.26-RedHat-9.11.26-6.el8 <<>> -p 5354 @network.srv.world -x 192.168.100.10
; (1 server found)
;; global options: +cmd
;; Got answer:
;; -<<>>HEADER<<- opcode: QUERY, status: NOERROR, id: 57476
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 8192
;; QUESTION SECTION:
;10.100.168.192.in-addr.arpa.   IN      PTR

;; ANSWER SECTION:
10.100.168.192.in-addr.arpa. 3600 IN    PTR     node01.server.education.

;; Query time: 25 msec
;; SERVER: 10.0.0.50#5354(10.0.0.50)
;; WHEN: Wed Nov 24 16:50:22 JST 2021
;; MSG SIZE  rcvd: 93
[3] レコードやゾーンを削除するには以下のように実行します。
[cent@dlp ~(keystone)]$
openstack recordset list server.education.

+--------------------------------------+--------------------------+------+-------------------------------------------------------------------------------+--------+--------+
| id                                   | name                     | type | records                                                                       | status | action |
+--------------------------------------+--------------------------+------+-------------------------------------------------------------------------------+--------+--------+
| 1f646e3f-f6c9-444a-a2a2-53e7cd0d223a | server.education.        | SOA  | network.srv.world. dnsmaster.server.education. 1637740095 3510 600 86400 3600 | ACTIVE | NONE   |
| b2b2a7a0-eccd-488b-9b4a-34c6e831ea68 | server.education.        | NS   | network.srv.world.                                                            | ACTIVE | NONE   |
| 0e6baa20-c089-47b7-9796-37ecfeee1923 | node01.server.education. | A    | 192.168.100.10                                                                | ACTIVE | NONE   |
+--------------------------------------+--------------------------+------+-------------------------------------------------------------------------------+--------+--------+

# [node01] レコードを削除する

[cent@dlp ~(keystone)]$
openstack recordset delete server.education. node01.server.education.

+-------------+--------------------------------------+
| Field       | Value                                |
+-------------+--------------------------------------+
| action      | DELETE                               |
| created_at  | 2021-11-24T07:48:15.000000           |
| description | None                                 |
| id          | 0e6baa20-c089-47b7-9796-37ecfeee1923 |
| name        | node01.server.education.             |
| project_id  | 2decda8bcd724687a1cf05064ab21fdf     |
| records     | 192.168.100.10                       |
| status      | PENDING                              |
| ttl         | None                                 |
| type        | A                                    |
| updated_at  | 2021-11-24T07:51:09.000000           |
| version     | 2                                    |
| zone_id     | 87b30616-9b03-466c-af32-0c41c1d71a46 |
| zone_name   | server.education.                    |
+-------------+--------------------------------------+

[cent@dlp ~(keystone)]$
openstack recordset list server.education.

+--------------------------------------+-------------------+------+-------------------------------------------------------------------------------+--------+--------+
| id                                   | name              | type | records                                                                       | status | action |
+--------------------------------------+-------------------+------+-------------------------------------------------------------------------------+--------+--------+
| 1f646e3f-f6c9-444a-a2a2-53e7cd0d223a | server.education. | SOA  | network.srv.world. dnsmaster.server.education. 1637740269 3510 600 86400 3600 | ACTIVE | NONE   |
| b2b2a7a0-eccd-488b-9b4a-34c6e831ea68 | server.education. | NS   | network.srv.world.                                                            | ACTIVE | NONE   |
+--------------------------------------+-------------------+------+-------------------------------------------------------------------------------+--------+--------+

[cent@dlp ~(keystone)]$
openstack zone list

+--------------------------------------+---------------------------+---------+------------+--------+--------+
| id                                   | name                      | type    |     serial | status | action |
+--------------------------------------+---------------------------+---------+------------+--------+--------+
| 87b30616-9b03-466c-af32-0c41c1d71a46 | server.education.         | PRIMARY | 1637740269 | ACTIVE | NONE   |
| 662a6700-5576-4a28-a8c4-273492993c54 | 100.168.192.in-addr.arpa. | PRIMARY | 1637740192 | ACTIVE | NONE   |
+--------------------------------------+---------------------------+---------+------------+--------+--------+

# [server.education.] ゾーンを削除する

[cent@dlp ~(keystone)]$
openstack zone delete server.education.

+----------------+--------------------------------------+
| Field          | Value                                |
+----------------+--------------------------------------+
| action         | DELETE                               |
| attributes     |                                      |
| created_at     | 2021-11-24T07:47:49.000000           |
| description    | None                                 |
| email          | dnsmaster@server.education           |
| id             | 87b30616-9b03-466c-af32-0c41c1d71a46 |
| masters        |                                      |
| name           | server.education.                    |
| pool_id        | 794ccc2c-d751-44fe-b57f-8894c9f5c842 |
| project_id     | 2decda8bcd724687a1cf05064ab21fdf     |
| serial         | 1637740269                           |
| status         | PENDING                              |
| transferred_at | None                                 |
| ttl            | 3600                                 |
| type           | PRIMARY                              |
| updated_at     | 2021-11-24T07:51:53.000000           |
| version        | 7                                    |
+----------------+--------------------------------------+

[cent@dlp ~(keystone)]$
openstack zone list

+--------------------------------------+---------------------------+---------+------------+--------+--------+
| id                                   | name                      | type    |     serial | status | action |
+--------------------------------------+---------------------------+---------+------------+--------+--------+
| 662a6700-5576-4a28-a8c4-273492993c54 | 100.168.192.in-addr.arpa. | PRIMARY | 1637740192 | ACTIVE | NONE   |
+--------------------------------------+---------------------------+---------+------------+--------+--------+
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