这个部分描述如何在控制节点上安装和配置块设备存储服务,即 cinder。这个服务需要至少一个额外的存储节点,以向实例提供卷。
在你安装和配置块存储服务之前,你必须创建数据库、服务证书和API端点。
完成下面的步骤以创建数据库:
用数据库连接客户端以 root
用户连接到数据库服务器:
$ mysql -u root -p
创建 cinder
数据库:
mysql> CREATE DATABASE cinder;
允许 cinder
数据库合适的访问权限:
mysql> GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'localhost' \
IDENTIFIED BY 'CINDER_DBPASS';
mysql> GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'%' \
IDENTIFIED BY 'CINDER_DBPASS';
用合适的密码替换 CINDER_DBPASS
退出数据库客户端。
获得 admin
凭证来获取只有管理员能执行的命令的访问权限:
$ . admin-openrc
要创建服务证书,完成这些步骤:
创建一个 cinder
用户:
$ openstack user create --domain default --password-prompt cinder
User Password:
Repeat User Password:
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| domain_id | default |
| enabled | True |
| id | 0dbcdd0968dd4c948eacf9eb60d82b46 |
| name | cinder |
| password_expires_at | None |
+---------------------+----------------------------------+
添加 admin
角色到 cinder
用户上。
$ openstack role add --project service --user cinder admin
注解
这个命令执行后没有输出。
创建 cinder
和 cinderv2
服务实体:
$ openstack service create --name cinder \
--description "OpenStack Block Storage" volume
+-------------+----------------------------------+
| Field | Value |
+-------------+----------------------------------+
| description | OpenStack Block Storage |
| enabled | True |
| id | ab3bbbef780845a1a283490d281e7fda |
| name | cinder |
| type | volume |
+-------------+----------------------------------+
$ openstack service create --name cinderv2 \
--description "OpenStack Block Storage" volumev2
+-------------+----------------------------------+
| Field | Value |
+-------------+----------------------------------+
| description | OpenStack Block Storage |
| enabled | True |
| id | eb9fd245bdbc414695952e93f29fe3ac |
| name | cinderv2 |
| type | volumev2 |
+-------------+----------------------------------+
注解
块设备存储服务要求两个服务实体。
创建块设备存储服务的 API 入口点:
$ openstack endpoint create --region RegionOne \
volume public http://controller:8776/v1/%\(tenant_id\)s
+--------------+-----------------------------------------+
| Field | Value |
+--------------+-----------------------------------------+
| enabled | True |
| id | 03fa2c90153546c295bf30ca86b1344b |
| interface | public |
| region | RegionOne |
| region_id | RegionOne |
| service_id | ab3bbbef780845a1a283490d281e7fda |
| service_name | cinder |
| service_type | volume |
| url | http://controller:8776/v1/%(tenant_id)s |
+--------------+-----------------------------------------+
$ openstack endpoint create --region RegionOne \
volume internal http://controller:8776/v1/%\(tenant_id\)s
+--------------+-----------------------------------------+
| Field | Value |
+--------------+-----------------------------------------+
| enabled | True |
| id | 94f684395d1b41068c70e4ecb11364b2 |
| interface | internal |
| region | RegionOne |
| region_id | RegionOne |
| service_id | ab3bbbef780845a1a283490d281e7fda |
| service_name | cinder |
| service_type | volume |
| url | http://controller:8776/v1/%(tenant_id)s |
+--------------+-----------------------------------------+
$ openstack endpoint create --region RegionOne \
volume admin http://controller:8776/v1/%\(tenant_id\)s
+--------------+-----------------------------------------+
| Field | Value |
+--------------+-----------------------------------------+
| enabled | True |
| id | 4511c28a0f9840c78bacb25f10f62c98 |
| interface | admin |
| region | RegionOne |
| region_id | RegionOne |
| service_id | ab3bbbef780845a1a283490d281e7fda |
| service_name | cinder |
| service_type | volume |
| url | http://controller:8776/v1/%(tenant_id)s |
+--------------+-----------------------------------------+
$ openstack endpoint create --region RegionOne \
volumev2 public http://controller:8776/v2/%\(tenant_id\)s
+--------------+-----------------------------------------+
| Field | Value |
+--------------+-----------------------------------------+
| enabled | True |
| id | 513e73819e14460fb904163f41ef3759 |
| interface | public |
| region | RegionOne |
| region_id | RegionOne |
| service_id | eb9fd245bdbc414695952e93f29fe3ac |
| service_name | cinderv2 |
| service_type | volumev2 |
| url | http://controller:8776/v2/%(tenant_id)s |
+--------------+-----------------------------------------+
$ openstack endpoint create --region RegionOne \
volumev2 internal http://controller:8776/v2/%\(tenant_id\)s
+--------------+-----------------------------------------+
| Field | Value |
+--------------+-----------------------------------------+
| enabled | True |
| id | 6436a8a23d014cfdb69c586eff146a32 |
| interface | internal |
| region | RegionOne |
| region_id | RegionOne |
| service_id | eb9fd245bdbc414695952e93f29fe3ac |
| service_name | cinderv2 |
| service_type | volumev2 |
| url | http://controller:8776/v2/%(tenant_id)s |
+--------------+-----------------------------------------+
$ openstack endpoint create --region RegionOne \
volumev2 admin http://controller:8776/v2/%\(tenant_id\)s
+--------------+-----------------------------------------+
| Field | Value |
+--------------+-----------------------------------------+
| enabled | True |
| id | e652cf84dd334f359ae9b045a2c91d96 |
| interface | admin |
| region | RegionOne |
| region_id | RegionOne |
| service_id | eb9fd245bdbc414695952e93f29fe3ac |
| service_name | cinderv2 |
| service_type | volumev2 |
| url | http://controller:8776/v2/%(tenant_id)s |
+--------------+-----------------------------------------+
注解
块设备存储服务每个服务实体都需要端点。
安装软件包:
# yum install openstack-cinder
编辑 /etc/cinder/cinder.conf
,同时完成如下动作:
在 [database]
部分,配置数据库访问:
[database]
...
connection = mysql+pymysql://cinder:CINDER_DBPASS@controller/cinder
用你为块设备存储数据库选择的密码替换 CINDER_DBPASS
。
在``[DEFAULT]``部分,配置``RabbitMQ``消息队列访问权限:
[DEFAULT]
...
transport_url = rabbit://openstack:RABBIT_PASS@controller
用你在 “RabbitMQ” 中为 “openstack” 选择的密码替换 “RABBIT_PASS”。
在 “[DEFAULT]” 和 “[keystone_authtoken]” 部分,配置认证服务访问:
[DEFAULT]
...
auth_strategy = keystone
[keystone_authtoken]
...
auth_uri = http://controller:5000
auth_url = http://controller:35357
memcached_servers = controller:11211
auth_type = password
project_domain_name = Default
user_domain_name = Default
project_name = service
username = cinder
password = CINDER_PASS
将 CINDER_PASS
替换为你在认证服务中为 cinder
用户选择的密码。
注解
在 [keystone_authtoken]
中注释或者删除其他选项。
在 [DEFAULT
部分,配置``my_ip`` 来使用控制节点的管理接口的IP 地址。
[DEFAULT]
...
my_ip = 10.0.0.11
在 [oslo_concurrency]
部分,配置锁路径:
[oslo_concurrency]
...
lock_path = /var/lib/cinder/tmp
初始化块设备服务的数据库:
# su -s /bin/sh -c "cinder-manage db sync" cinder
注解
忽略输出中任何不推荐使用的信息。
编辑文件 /etc/nova/nova.conf
并添加如下到其中:
[cinder]
os_region_name = RegionOne
重启计算API 服务:
# systemctl restart openstack-nova-api.service
启动块设备存储服务,并将其配置为开机自启:
# systemctl enable openstack-cinder-api.service openstack-cinder-scheduler.service
# systemctl start openstack-cinder-api.service openstack-cinder-scheduler.service
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