OpenStack Xena : Glance 設定2021/10/07

OpenStack Image Service（Glance）をインストールします。

当例では以下のような環境に Glance をインストールします。

        eth0|10.0.0.30 
+-----------+-----------+
|    [ Control Node ]   |
|                       |
|  MariaDB    RabbitMQ  |
|  Memcached  httpd     |
|  Keystone   Glance    |
+-----------------------+

[1]	Keystone に Glance 用のユーザー等々を登録しておきます。

# [service] プロジェクト所属で [glance] ユーザーを作成

root@dlp ~(keystone)#

openstack user create --domain default --project service --password servicepassword glance

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | 611e3ba8938b475fb9dd8124603f18d3 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 67b144163ad54b4fb3bad7c731fe0330 |
| name                | glance                           |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# [glance] ユーザーを [admin] ロールに追加

root@dlp ~(keystone)#

openstack role add --project service --user glance admin

# [glance] 用サービスエントリー作成

root@dlp ~(keystone)#

openstack service create --name glance --description "OpenStack Image service" image

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Image service          |
| enabled     | True                             |
| id          | 63a0a52491594f1ea219faed41ea9ce5 |
| name        | glance                           |
| type        | image                            |
+-------------+----------------------------------+

# Glance API ホストを定義

root@dlp ~(keystone)#

export controller=10.0.0.30

# [glance] 用エンドポイント作成 (public)

root@dlp ~(keystone)#

openstack endpoint create --region RegionOne image public http://$controller:9292

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 00db443012864f039b41a83bf54a792f |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 63a0a52491594f1ea219faed41ea9ce5 |
| service_name | glance                           |
| service_type | image                            |
| url          | http://10.0.0.30:9292            |
+--------------+----------------------------------+

# [glance] 用エンドポイント作成 (internal)

root@dlp ~(keystone)#

openstack endpoint create --region RegionOne image internal http://$controller:9292

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | cc9e3fa8e50d44f1bc2c0ca175d74e6a |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 63a0a52491594f1ea219faed41ea9ce5 |
| service_name | glance                           |
| service_type | image                            |
| url          | http://10.0.0.30:9292            |
+--------------+----------------------------------+

# [glance] 用エンドポイント作成 (admin)

root@dlp ~(keystone)#

openstack endpoint create --region RegionOne image admin http://$controller:9292

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 5173ec7e98674d06a3561125b9941975 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 63a0a52491594f1ea219faed41ea9ce5 |
| service_name | glance                           |
| service_type | image                            |
| url          | http://10.0.0.30:9292            |
+--------------+----------------------------------+

[2]	Glance 用のユーザーとデータベースを MariaDB に作成しておきます。

root@dlp ~(keystone)#

mysql

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 44
Server version: 10.3.31-MariaDB-0ubuntu0.20.04.1 Ubuntu 20.04

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 glance; 
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> grant all privileges on glance.* to glance@'localhost' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all privileges on glance.* to glance@'%' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> flush privileges; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> exit
Bye

[3]	Glance をインストールします。

root@dlp ~(keystone)#

apt -y install glance

[4]	Glance の基本設定です。

root@dlp ~(keystone)#

mv /etc/glance/glance-api.conf /etc/glance/glance-api.conf.org

root@dlp ~(keystone)#

vi /etc/glance/glance-api.conf

# 以下の内容で新規作成

[DEFAULT]
bind_host = 0.0.0.0

[glance_store]
stores = file,http
default_store = file
filesystem_store_datadir = /var/lib/glance/images/

[database]
# MariaDB 接続情報
connection = mysql+pymysql://glance:password@10.0.0.30/glance

# keystone 認証情報
[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 = glance
password = servicepassword

[paste_deploy]
flavor = keystone

root@dlp ~(keystone)#

chmod 640 /etc/glance/glance-api.conf

root@dlp ~(keystone)#

chown root:glance /etc/glance/glance-api.conf

root@dlp ~(keystone)#

su -s /bin/bash glance -c "glance-manage db_sync"

root@dlp ~(keystone)#

systemctl restart glance-api

root@dlp ~(keystone)#

systemctl enable glance-api