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OpenStack Pike : Cinder 設定#1 (Control ノード)
2017/09/06
 
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  | c9ab6e9feb4d444c8f637fcfe7a67305 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 13227a1f01a74b9dabca292e90ddff72 |
| 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 cinderv2 --description "OpenStack Block Storage" volumev2

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Block Storage          |
| enabled     | True                             |
| id          | c9bdb04fc83b4ef5bba9d20d0a244305 |
| name        | cinderv2                         |
| type        | volumev2                         |
+-------------+----------------------------------+

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

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Block Storage          |
| enabled     | True                             |
| id          | a47d8dae08a34f5895ad9ae9167dd34f |
| name        | cinderv3                         |
| type        | volumev3                         |
+-------------+----------------------------------+

# Keystone 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 (v2 public)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne volumev2 public http://$controller:8776/v2/%\(tenant_id\)s

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | ea4329823ed343c4954842825e5298df       |
| interface    | public                                 |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | c9bdb04fc83b4ef5bba9d20d0a244305       |
| service_name | cinderv2                               |
| service_type | volumev2                               |
| url          | http://10.0.0.30:8776/v2/%(tenant_id)s |
+--------------+----------------------------------------+

# cinder 用エンドポイント作成 (v2 internal)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne volumev2 internal http://$controller:8776/v2/%\(tenant_id\)s

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | 7427a12891ee4b978fd9eeeba242187c       |
| interface    | internal                               |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | c9bdb04fc83b4ef5bba9d20d0a244305       |
| service_name | cinderv2                               |
| service_type | volumev2                               |
| url          | http://10.0.0.30:8776/v2/%(tenant_id)s |
+--------------+----------------------------------------+

# cinder 用エンドポイント作成 (v2 admin)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne volumev2 admin http://$controller:8776/v2/%\(tenant_id\)s

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | ea986e27b21b4d859e6445e534855739       |
| interface    | admin                                  |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | c9bdb04fc83b4ef5bba9d20d0a244305       |
| service_name | cinderv2                               |
| service_type | volumev2                               |
| url          | http://10.0.0.30:8776/v2/%(tenant_id)s |
+--------------+----------------------------------------+

# cinder 用エンドポイント作成 (v3 public)

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

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | f793db29f57a498c80d5949dc9ffd2a3       |
| interface    | public                                 |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | a47d8dae08a34f5895ad9ae9167dd34f       |
| 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 (v3 internal)

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

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | 6470b642208442a0b2542d47b8f7b760       |
| interface    | internal                               |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | a47d8dae08a34f5895ad9ae9167dd34f       |
| 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 (v3 admin)

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

+--------------+----------------------------------------+
| Field        | Value                                  |
+--------------+----------------------------------------+
| enabled      | True                                   |
| id           | 63d0f95bc9884a97885ac4012b101e2f       |
| interface    | admin                                  |
| region       | RegionOne                              |
| region_id    | RegionOne                              |
| service_id   | a47d8dae08a34f5895ad9ae9167dd34f       |
| 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 48
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。
# Pike, EPEL からインストール

[root@dlp ~(keystone)]#
yum --enablerepo=centos-openstack-pike,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

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

# Keystone 認証情報
[keystone_authtoken]
auth_uri = http://10.0.0.30:5000
auth_url = http://10.0.0.30:35357
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

# 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    | 2017-09-07T05:01:54.000000 |
+------------------+---------------+------+---------+-------+----------------------------+
[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)]#
vi cinder-server_pol.te
# 以下の内容で新規作成

module cinder-server_pol 1.0;

require {
        type cinder_volume_exec_t;
        type neutron_t;
        type cinder_api_exec_t;
        type cinder_scheduler_exec_t;
        type cinder_backup_exec_t;
        class file getattr;
}

#============= neutron_t ==============
allow neutron_t cinder_api_exec_t:file getattr;
allow neutron_t cinder_backup_exec_t:file getattr;
allow neutron_t cinder_scheduler_exec_t:file getattr;
allow neutron_t cinder_volume_exec_t:file getattr;

[root@dlp ~(keystone)]#
checkmodule -m -M -o cinder-server_pol.mod cinder-server_pol.te

checkmodule: loading policy configuration from cinder-server_pol.te
checkmodule: policy configuration loaded
checkmodule: writing binary representation (version 17) to cinder-server_pol.mod
# 中間ファイルからモジュール生成

[root@dlp ~(keystone)]#
semodule_package --outfile cinder-server_pol.pp --module cinder-server_pol.mod

# モジュールインストール

[root@dlp ~(keystone)]#
semodule -i cinder-server_pol.pp

[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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