OpenStack Victoria : Configure Designate (Network Node)2021/09/02 |
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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
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ 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 | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Install Designate services and BIND 9. For questions duruing the installation, it's OK with [No] to all. |
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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] | Configure BIND. |
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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 # create new
options {
directory "/var/cache/bind";
listen-on port 53 { any; };
listen-on-v6 port 53 { none; };
# replace query range to your environment
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] | Configure Designate. |
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root@network:~# mv /etc/designate/designate.conf /etc/designate/designate.conf.org
root@network:~#
vi /etc/designate/designate.conf # create new [DEFAULT] log_dir = /var/log/designate # RabbitMQ connection info transport_url = rabbit://openstack:password@10.0.0.30 root_helper = sudo designate-rootwrap /etc/designate/rootwrap.conf [database] # MariaDB connection info connection = mysql+pymysql://designate:password@10.0.0.30/designate [service:api] listen = 0.0.0.0:9001 auth_strategy = keystone api_base_uri = http://10.0.0.50:9001 enable_api_v2 = True enabled_extensions_v2 = quotas, reports # Keystone auth info [keystone_authtoken] www_authenticate_uri = http://10.0.0.30:5000 auth_url = http://10.0.0.30:5000 memcached_servers = 10.0.0.30:11211 auth_type = password project_domain_name = default user_domain_name = default project_name = service username = designate password = servicepassword [service:worker] enabled = True notify = True [storage:sqlalchemy] # MariaDB connection info connection = mysql+pymysql://designate:password@10.0.0.30/designate 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 # create new (replace hostname and IP address to your own environment)
- 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] | Verify the status of services on a Node. That's OK if all status are [Up]. |
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root@dlp ~(keystone)# openstack dns service list +--------------------------------------+-------------------+--------------+--------+-------+--------------+ | id | hostname | service_name | status | stats | capabilities | +--------------------------------------+-------------------+--------------+--------+-------+--------------+ | f47b42f6-c806-4581-951f-2a10f50e8c57 | network.srv.world | central | UP | - | - | | 91296d25-b275-4059-8902-a1537e7cc1a1 | network.srv.world | mdns | UP | - | - | | 61859e1f-ee06-441e-b22d-83b3386c2a42 | network.srv.world | producer | UP | - | - | | 9169a8d8-5799-404f-a829-0d5048b1c6ad | network.srv.world | worker | UP | - | - | +--------------------------------------+-------------------+--------------+--------+-------+--------------+ |
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