OpenStack Bobcat : Designate 設定 (Network ノード)2023/10/09 |
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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 | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Designate サービス および BIND 9 をインストールします。 |
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root@network:~# apt -y install designate-api designate-central designate-worker designate-producer designate-mdns python3-designateclient bind9 bind9utils
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| [2] | Designate から BIND が利用できるよう設定しておきます。 |
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root@network:~# rndc-confgen -a -k designate -c /etc/bind/designate.key wrote key file "/etc/bind/designate.key" root@network:~# chown bind:designate /etc/bind/designate.key root@network:~# chmod 640 /etc/bind/designate.key root@network:~# mv /etc/bind/named.conf.options /etc/bind/named.conf.options.org
root@network:~#
vi /etc/bind/named.conf.options # 新規作成
options {
directory "/var/cache/bind";
listen-on port 53 { any; };
listen-on-v6 port 53 { none; };
# クエリの許可範囲は自身の環境に合わせて置き換え
allow-query { localhost; 10.0.0.0/24; };
allow-new-zones yes;
request-ixfr no;
recursion no;
dnssec-validation auto;
auth-nxdomain no;
};
include "/etc/bind/designate.key";
controls {
inet 0.0.0.0 port 953
allow { localhost; } keys { "designate"; };
};
chmod 644 /etc/bind/named.conf.options root@network:~# chown -R bind. /etc/bind root@network:~# systemctl restart bind9 |
| [3] | Designate の設定です。 |
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root@network:~# mv /etc/designate/designate.conf /etc/designate/designate.conf.org
root@network:~#
vi /etc/designate/designate.conf # 新規作成 [DEFAULT] log_dir = /var/log/designate # RabbitMQ 接続情報 transport_url = rabbit://openstack:password@dlp.srv.world root_helper = sudo designate-rootwrap /etc/designate/rootwrap.conf [database] # MariaDB 接続情報 connection = mysql+pymysql://designate:password@dlp.srv.world/designate [service:api] listen = 127.0.0.1:9001 auth_strategy = keystone api_base_uri = https://network.srv.world:9001 enable_api_v2 = True enabled_extensions_v2 = quotas, reports # Keystone 認証情報 [keystone_authtoken] www_authenticate_uri = https://dlp.srv.world:5000 auth_url = https://dlp.srv.world:5000 memcached_servers = dlp.srv.world:11211 auth_type = password project_domain_name = default user_domain_name = default project_name = service username = designate password = servicepassword # Apache2 Keystone で自己署名の証明書を使用の場合は [true] insecure = false [service:worker] enabled = True notify = True [storage:sqlalchemy] # MariaDB 接続情報 connection = mysql+pymysql://designate:password@dlp.srv.world/designate [oslo_policy] enforce_new_defaults = true chmod 640 /etc/designate/designate.conf root@network:~# chgrp designate /etc/designate/designate.conf root@network:~# su -s /bin/sh -c "designate-manage database sync" designate
root@network:~#
systemctl restart designate-central designate-api root@network:~# systemctl enable designate-central designate-api
root@network:~#
vi /etc/designate/pools.yaml # 新規作成 (ホスト名や IP アドレスは自身の環境に合わせて置き換え)
- name: default
description: Default Pool
attributes: {}
ns_records:
- hostname: network.srv.world.
priority: 1
nameservers:
- host: 10.0.0.50
port: 53
targets:
- type: bind9
description: BIND9 Server
masters:
- host: 10.0.0.50
port: 5354
options:
host: 10.0.0.50
port: 53
rndc_host: 10.0.0.50
rndc_port: 953
rndc_key_file: /etc/bind/designate.key
chmod 640 /etc/designate/pools.yaml root@network:~# chgrp designate /etc/designate/pools.yaml root@network:~# su -s /bin/sh -c "designate-manage pool update" designate Updating Pools Configuration **************************** root@network:~# systemctl restart designate-worker designate-producer designate-mdns root@network:~# systemctl enable designate-worker designate-producer designate-mdns
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| [4] | Nginx にプロキシの設定をします。 |
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root@network:~#
vi /etc/nginx/nginx.conf # [stream] セクション内に追記
stream {
upstream neutron-api {
server 127.0.0.1:9696;
}
server {
listen 10.0.0.50:9696 ssl;
proxy_pass neutron-api;
}
upstream designate-api {
server 127.0.0.1:9001;
}
server {
listen 10.0.0.50:9001 ssl;
proxy_pass designate-api;
}
ssl_certificate "/etc/letsencrypt/live/network.srv.world/fullchain.pem";
ssl_certificate_key "/etc/letsencrypt/live/network.srv.world/privkey.pem";
}
root@network:~# systemctl restart nginx
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| [5] | Openstack に認証可能な任意のノードでステータスを確認します。全て [up] 状態であれば OK です。 |
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root@dlp ~(keystone)#
root@dlp ~(keystone)# apt -y install python3-designateclient openstack dns service list +--------------------------------------+-------------------+--------------+--------+-------+--------------+ | id | hostname | service_name | status | stats | capabilities | +--------------------------------------+-------------------+--------------+--------+-------+--------------+ | f8426486-7a61-4288-8309-9116194e18b0 | network.srv.world | api | UP | - | - | | 135c6c4b-827c-4827-9c47-024ed4c4bef6 | network.srv.world | central | UP | - | - | | 6aabdfff-5a7b-4ac6-9d7d-aa2325283a5a | network.srv.world | mdns | UP | - | - | | 8a1acb68-d3e4-4c40-96b9-46bea44b0afd | network.srv.world | worker | UP | - | - | | eae19596-3b8f-457a-954f-54485769dd8c | network.srv.world | producer | UP | - | - | +--------------------------------------+-------------------+--------------+--------+-------+--------------+ |
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