CentOS 7
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OpenStack Rocky : Cinder 設定#1 (Control ノード)
2018/09/04
 
OpenStack Block Storage(Cinder)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 Cinder サービス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
+-----------+-----------+   +-----------+-----------+   +-----------+-----------+
|    [ Control Node ]   |   |    [ Storage Node ]   |   |    [ Compute Node ]   |
|                       |   |                       |   |                       |
|  MariaDB    RabbitMQ  |   |      Open vSwitch     |   |        Libvirt        |
|  Memcached  httpd     |   |        L2 Agent       |   |     Nova Compute      |
|  Keystone   Glance    |   |        L3 Agent       |   |      Open vSwitch     |
|  Nova API             |   |     Metadata Agent    |   |        L2 Agent       |
|  Neutron Server       |   |     Cinder Volume     |   |                       |
|  Metadata Agent       |   |                       |   |                       |
|  Cinder API           |   |                       |   |                       |
+-----------------------+   +-----------------------+   +-----------------------+

[1] Control ノードの Keystone に Cinder 用のユーザー等々を登録しておきます。
# cinder ユーザー作成 (service プロジェクト所属)

[root@dlp ~(keystone)]#
openstack user create --domain default --project service --password servicepassword cinder

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | ece4ac6c7e764a979e36ba0b2faf848e |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | c164853fbed14fc0a8ffe17e32ddd9e1 |
| name                | cinder                           |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# cinder ユーザーを admin ロール に加える

[root@dlp ~(keystone)]#
openstack role add --project service --user cinder admin
# cinder 用サービスエントリ作成

[root@dlp ~(keystone)]#
openstack service create --name cinderv3 --description "OpenStack Block Storage" volumev3

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Block Storage          |
| enabled     | True                             |
| id          | 509c4cd6d9be479d9ef011a9fa318e5d |
| name        | cinderv3                         |
| type        | volumev3                         |
+-------------+----------------------------------+

# Cinder API ホストを定義しておく

[root@dlp ~(keystone)]#
export controller=10.0.0.30
# cinder 用エンドポイント作成 (public)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne volumev3 public http://$controller:8776/v3/%\(tenant_id\)s

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | ce55b816a772477b81891d0cb0b4e74e       |
| interface    | public                                 |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | 509c4cd6d9be479d9ef011a9fa318e5d       |
| service_name | cinderv3                               |
| service_type | volumev3                               |
| url          | http://10.0.0.30:8776/v3/%(tenant_id)s |
+--------------+----------------------------------------+

# cinder 用エンドポイント作成 (internal)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne volumev3 internal http://$controller:8776/v3/%\(tenant_id\)s

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | 04642b5a17af4ed7a0b39f16c4961f18       |
| interface    | internal                               |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | 509c4cd6d9be479d9ef011a9fa318e5d       |
| service_name | cinderv3                               |
| service_type | volumev3                               |
| url          | http://10.0.0.30:8776/v3/%(tenant_id)s |
+--------------+----------------------------------------+

# cinder 用エンドポイント作成 (admin)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne volumev3 admin http://$controller:8776/v3/%\(tenant_id\)s

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | cd4774376c9f447b9c41d8561740f1f2       |
| interface    | admin                                  |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | 509c4cd6d9be479d9ef011a9fa318e5d       |
| service_name | cinderv3                               |
| service_type | volumev3                               |
| url          | http://10.0.0.30:8776/v3/%(tenant_id)s |
+--------------+----------------------------------------+
[2] Cinder 用のユーザーとデータベースを MariaDB に登録しておきます。
[root@dlp ~(keystone)]#
mysql -u root -p

Enter password:
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 86
Server version: 10.1.20-MariaDB MariaDB Server

Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]>
create database cinder;

Query OK, 1 row affected (0.00 sec)
MariaDB [(none)]>
grant all privileges on cinder.* to cinder@'localhost' identified by 'password';

Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>
grant all privileges on cinder.* to cinder@'%' 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] Cinder サービスをインストールします。
# Rocky, EPEL からインストール

[root@dlp ~(keystone)]#
yum --enablerepo=centos-openstack-rocky,epel -y install openstack-cinder
[4] Cinder の基本設定です。
[root@dlp ~(keystone)]#
mv /etc/cinder/cinder.conf /etc/cinder/cinder.conf.org

[root@dlp ~(keystone)]#
vi /etc/cinder/cinder.conf
# 新規作成

[DEFAULT]
# 自ホストのIPアドレス
my_ip = 10.0.0.30
log_dir = /var/log/cinder
state_path = /var/lib/cinder
auth_strategy = keystone
# RabbitMQ 接続情報
transport_url = rabbit://openstack:password@10.0.0.30
enable_v3_api = True

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

# 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 = cinder
password = servicepassword

[oslo_concurrency]
lock_path = $state_path/tmp

[root@dlp ~(keystone)]#
chmod 640 /etc/cinder/cinder.conf

[root@dlp ~(keystone)]#
chgrp cinder /etc/cinder/cinder.conf

[root@dlp ~(keystone)]#
su -s /bin/bash cinder -c "cinder-manage db sync"

[root@dlp ~(keystone)]#
systemctl start openstack-cinder-api openstack-cinder-scheduler

[root@dlp ~(keystone)]#
systemctl enable openstack-cinder-api openstack-cinder-scheduler

# 環境変数を設定

[root@dlp ~(keystone)]#
echo "export OS_VOLUME_API_VERSION=3" >> ~/keystonerc

[root@dlp ~(keystone)]#
source ~/keystonerc
# 動作確認

[root@dlp ~(keystone)]#
openstack volume service list

+------------------+---------------+------+---------+-------+----------------------------+
| Binary           | Host          | Zone | Status  | State | Updated At                 |
+------------------+---------------+------+---------+-------+----------------------------+
| cinder-scheduler | dlp.srv.world | nova | enabled | up    | 2018-09-04T00:22:37.000000 |
+------------------+---------------+------+---------+-------+----------------------------+
[5] SELinux を有効にしている場合は、ポリシーの変更が必要です。
[root@dlp ~(keystone)]#
yum --enablerepo=centos-openstack-rocky -y install openstack-selinux

[6] Firewalld を有効にしている場合は、サービスポートの許可が必要です。
[root@dlp ~(keystone)]#
firewall-cmd --add-port=8776/tcp --permanent

success
[root@dlp ~(keystone)]#
firewall-cmd --reload

success
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