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OpenStack Yoga : Cinder 設定 (Control ノード)2022/06/10
 
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
+-----------+-----------+     +-----------+-----------+     +-----------+-----------+
|   [ dlp.srv.world ]   |     | [ network.srv.world ] |     |  [ node01.srv.world ] |
|     (Control Node)    |     |     (Storage Node)    |     |     (Compute Node)    |
|                       |     |                       |     |                       |
|  MariaDB    RabbitMQ  |     |      Open vSwitch     |     |        Libvirt        |
|  Memcached  httpd     |     |     Neutron Server    |     |      Nova Compute     |
|  Keystone   Glance    |     |      OVN-Northd       |     |      Open vSwitch     |
|  Nova API             |     |     Cinder Volume     |     |   OVN Metadata Agent  |
|  Cinder API           |     |                       |     |     OVN-Controller    |
+-----------------------+     +-----------------------+     +-----------------------+
[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。
# [service] プロジェクト所属で [cinder] ユーザーを作成

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

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | 0f2625947bf0433a9519ba8a29434bdf |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 6821aaccc3be4a78b86c78ac883e8ade |
| 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          | 097322a5a60542efae45699eceee3907 |
| name        | cinderv3                         |
| type        | volumev3                         |
+-------------+----------------------------------+
# Cinder API ノードを定義

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

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 261f8545c3b845acad65ab45dc307529 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 097322a5a60542efae45699eceee3907 |
| service_name | cinderv3                         |
| service_type | volumev3                         |
| url          | https://dlp.srv.world:8776/v3    |
+--------------+----------------------------------+
# [cinder] 用エンドポイント作成 (internal)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | c5b30559bd9b4a1d8848344088b214e7 |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 097322a5a60542efae45699eceee3907 |
| service_name | cinderv3                         |
| service_type | volumev3                         |
| url          | https://dlp.srv.world:8776/v3    |
+--------------+----------------------------------+
# [cinder] 用エンドポイント作成 (admin)

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

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 8b796778dd0a432f9ff876bda50f580c |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 097322a5a60542efae45699eceee3907 |
| service_name | cinderv3                         |
| service_type | volumev3                         |
| url          | https://dlp.srv.world:8776/v3    |
+--------------+----------------------------------+
[2] Cinder 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 59
Server version: 10.5.13-MariaDB MariaDB Server

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 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。
# Yoga, EPEL, CRB からインストール

[root@dlp ~(keystone)]#
dnf --enablerepo=centos-openstack-yoga,epel,crb -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]
osapi_volume_listen = 127.0.0.1
osapi_volume_listen_port = 8776
rootwrap_config = /etc/cinder/rootwrap.conf
api_paste_confg = /etc/cinder/api-paste.ini
state_path = /var/lib/cinder
auth_strategy = keystone
# RabbitMQ 接続情報
transport_url = rabbit://openstack:password@dlp.srv.world
enable_v3_api = True

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

# 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 = cinder
password = servicepassword
# httpd Keystone で自己署名の証明書を使用の場合は [true]
insecure = false

[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

[5] Nginx にプロキシの設定をします。
[root@dlp ~(keystone)]#
vi /etc/nginx/nginx.conf
# [stream] セクション内に追記

stream {
    upstream glance-api {
        server 127.0.0.1:9292;
    }
    server {
        listen 10.0.0.30:9292 ssl;
        proxy_pass glance-api;
    }
    upstream nova-api {
        server 127.0.0.1:8774;
    }
    server {
        listen 10.0.0.30:8774 ssl;
        proxy_pass nova-api;
    }
    upstream nova-metadata-api {
        server 127.0.0.1:8775;
    }
    server {
        listen 10.0.0.30:8775 ssl;
        proxy_pass nova-metadata-api;
    }
    upstream placement-api {
        server 127.0.0.1:8778;
    }
    server {
        listen 10.0.0.30:8778 ssl;
        proxy_pass placement-api;
    }
    upstream novncproxy {
        server 127.0.0.1:6080;
    }
    server {
        listen 10.0.0.30:6080 ssl;
        proxy_pass novncproxy;
    }
    upstream cinder-api {
        server 127.0.0.1:8776;
    }
    server {
        listen 10.0.0.30:8776 ssl;
        proxy_pass cinder-api;
    }
    ssl_certificate "/etc/letsencrypt/live/dlp.srv.world/fullchain.pem";
    ssl_certificate_key "/etc/letsencrypt/live/dlp.srv.world/privkey.pem";
}
[6] 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)]#
dnf --enablerepo=centos-openstack-yoga -y install openstack-selinux

[root@dlp ~(keystone)]#
semanage port -a -t http_port_t -p tcp 8776

[7] 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

success
[root@dlp ~(keystone)]#
firewall-cmd --runtime-to-permanent

success
[8] データベースにデータを追加して Cinder サービスを起動します。
[root@dlp ~(keystone)]#
su -s /bin/bash cinder -c "cinder-manage db sync"
[root@dlp ~(keystone)]#
systemctl enable --now openstack-cinder-api openstack-cinder-scheduler

[root@dlp ~(keystone)]#
systemctl restart nginx
# 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    | 2022-06-09T13:20:28.000000 |
+------------------+---------------+------+---------+-------+----------------------------+
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