Ubuntu 22.04
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OpenStack Zed : Magnum 設定 (Network ノード)
2022/10/11
 
OpenStack Container Infrastructure Management Service(Magnum)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 Network ノードに Magnum サービス一式をインストールします。
------------+-----------------------------+-----------------------------+------------
            |                             |                             |
        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    |
|  Barbican API         |     |    Heat API/Engine    |     |                       |
|                       |     |    Magnum Services    |     |                       |
+-----------------------+     +-----------------------+     +-----------------------+

[1] Network ノードで Magnum サービス をインストールします。インストール中の問いには全て [No] で OK です。
root@network:~#
apt -y install magnum-api magnum-conductor python3-magnumclient
[2] Magnum の設定です。
root@network:~#
mv /etc/magnum/magnum.conf /etc/magnum/magnum.conf.org

root@network:~#
vi /etc/magnum/magnum.conf
# 新規作成

[DEFAULT]
state_path = /var/lib/magnum
log_dir = /var/log/magnum
# RabbitMQ 接続情報
transport_url = rabbit://openstack:password@dlp.srv.world

[api]
host = 127.0.0.1
port = 9511
enabled_ssl = false

[database]
# MariaDB 接続情報
connection = mysql+pymysql://magnum:password@dlp.srv.world/magnum

[certificates]
cert_manager_type = barbican

[cinder]
default_docker_volume_type = lvm-magnum

[cinder_client]
region_name = RegionOne

[magnum_client]
region_name = RegionOne

# 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
auth_version = v3
project_domain_name = default
user_domain_name = default
project_name = service
username = magnum
password = servicepassword
admin_user = magnum
admin_password = servicepassword
admin_tenant_name = service

[oslo_policy]
enforce_scope = false
enforce_new_defaults = false
policy_file = /etc/magnum/policy.json

[oslo_messaging_notifications]
driver = messagingv2

[trust]
trustee_domain_name = magnum
trustee_domain_admin_name = magnum_domain_admin
trustee_domain_admin_password = servicepassword
trustee_keystone_interface = public

root@network:~#
chmod 640 /etc/magnum/magnum.conf

root@network:~#
chgrp magnum /etc/magnum/magnum.conf

root@network:~#
mkdir /var/lib/magnum/{tmp,certificates}

root@network:~#
chown magnum. /var/lib/magnum/{tmp,certificates}

[3] Nginx にプロキシの設定をします。
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 magnum-api {
        server 127.0.0.1:9511;
    }
    server {
        listen 10.0.0.50:9511 ssl;
        proxy_pass magnum-api;
    }
    ssl_certificate "/etc/letsencrypt/live/network.srv.world/fullchain.pem";
    ssl_certificate_key "/etc/letsencrypt/live/network.srv.world/privkey.pem";
}
[4] データベースにデータを追加して Magnum サービスを起動します。
root@network:~#
su -s /bin/bash magnum -c "magnum-db-manage upgrade"

root@network:~#
systemctl restart magnum-api magnum-conductor nginx

[5] Control ノードでステータスを確認します。[up] 状態であれば OK です。
また、[magnum.conf] で設定した Magnum 用の Cinder ボリュームタイプを作成しておきます。
root@dlp ~(keystone)#
apt -y install python3-magnumclient
root@dlp ~(keystone)#
openstack coe service list

+----+------+------------------+-------+----------+-----------------+---------------------------+---------------------------+
| id | host | binary           | state | disabled | disabled_reason | created_at                | updated_at                |
+----+------+------------------+-------+----------+-----------------+---------------------------+---------------------------+
|  1 | None | magnum-conductor | up    | False    | None            | 2022-10-11T07:37:16+00:00 | 2022-10-11T07:44:52+00:00 |
+----+------+------------------+-------+----------+-----------------+---------------------------+---------------------------+

root@dlp ~(keystone)#
openstack volume type create lvm-magnum --public

+-------------+--------------------------------------+
| Field       | Value                                |
+-------------+--------------------------------------+
| description | None                                 |
| id          | 1706d435-60c6-4179-a1ca-702487a2e613 |
| is_public   | True                                 |
| name        | lvm-magnum                           |
+-------------+--------------------------------------+
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