OpenStack部署-4安装Nova

作者: CC_06fa | 来源:发表于2018-09-05 10:55 被阅读28次

OpenStack部署-4安装Nova
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1.nova 控制端
OpenStack控制节点nova服务安装部署
OpenStack控制节点nova服务安装部署
Openstack.DockerDevOps
通过Kolla部署工具利用Docker微服务方式安装Openst
OpenStack系列之一：手动部署OpenStack Quee
Ubuntu16手动安装OpenStack——neutron篇
Ubuntu16手动安装OpenStack——nova篇

安装Nova

Nova提供在統一的計算資源抽象

安装必备条件

使用root帐号登录数据库

mysql -u root -p

创建nova_api, nova, 及 nova_cell0 数据库

MariaDB [(none)]> CREATE DATABASE nova_api;
MariaDB [(none)]> CREATE DATABASE nova;
MariaDB [(none)]> CREATE DATABASE nova_cell0;

配置权限

MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'localhost' \
  IDENTIFIED BY 'NOVA_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'%' \
  IDENTIFIED BY 'NOVA_DBPASS';

MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' \
  IDENTIFIED BY 'NOVA_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'%' \
  IDENTIFIED BY 'NOVA_DBPASS';

MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'localhost' \
  IDENTIFIED BY 'NOVA_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'%' \
  IDENTIFIED BY 'NOVA_DBPASS';

获取admin用户的环境变量，并创建服务认证

. admin-openrc

创建服务凭据

创建nova用户

$ openstack user create --domain default --password-prompt nova

User Password:
Repeat User Password:
+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 8a7dbf5279404537b1c7b86c033620fe |
| name                | nova                             |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

把admin用户添加到nova用户和项目中

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

创建nova服务

$ openstack service create --name nova \
  --description "OpenStack Compute" compute

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Compute                |
| enabled     | True                             |
| id          | 060d59eac51b4594815603d75a00aba2 |
| name        | nova                             |
| type        | compute                          |
+-------------+----------------------------------+

创建nova服务端点

$ openstack endpoint create --region RegionOne \
  compute public http://controller:8774/v2.1

+--------------+-------------------------------------------+
| Field        | Value                                     |
+--------------+-------------------------------------------+
| enabled      | True                                      |
| id           | 3c1caa473bfe4390a11e7177894bcc7b          |
| interface    | public                                    |
| region       | RegionOne                                 |
| region_id    | RegionOne                                 |
| service_id   | 060d59eac51b4594815603d75a00aba2          |
| service_name | nova                                      |
| service_type | compute                                   |
| url          | http://controller:8774/v2.1               |
+--------------+-------------------------------------------+

$ openstack endpoint create --region RegionOne \
  compute internal http://controller:8774/v2.1

+--------------+-------------------------------------------+
| Field        | Value                                     |
+--------------+-------------------------------------------+
| enabled      | True                                      |
| id           | e3c918de680746a586eac1f2d9bc10ab          |
| interface    | internal                                  |
| region       | RegionOne                                 |
| region_id    | RegionOne                                 |
| service_id   | 060d59eac51b4594815603d75a00aba2          |
| service_name | nova                                      |
| service_type | compute                                   |
| url          | http://controller:8774/v2.1               |
+--------------+-------------------------------------------+

$ openstack endpoint create --region RegionOne \
  compute admin http://controller:8774/v2.1

+--------------+-------------------------------------------+
| Field        | Value                                     |
+--------------+-------------------------------------------+
| enabled      | True                                      |
| id           | 38f7af91666a47cfb97b4dc790b94424          |
| interface    | admin                                     |
| region       | RegionOne                                 |
| region_id    | RegionOne                                 |
| service_id   | 060d59eac51b4594815603d75a00aba2          |
| service_name | nova                                      |
| service_type | compute                                   |
| url          | http://controller:8774/v2.1               |
+--------------+-------------------------------------------+

创建一个placement服务用户

$ openstack user create --domain default --password-prompt placement

User Password:
Repeat User Password:
+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| domain_id           | default                          |
| enabled             | True                             |
| id                  | fa742015a6494a949f67629884fc7ec8 |
| name                | placement                        |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

添加placement用户为项目服务admin角色

$ openstack role add --project service --user placement admin

$ openstack service create --name placement --description "Placement API" placement
+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | Placement API                    |
| enabled     | True                             |
| id          | 2d1a27022e6e4185b86adac4444c495f |
| name        | placement                        |
| type        | placement                        |
+-------------+----------------------------------+

创建Placement API服务端点

$ openstack endpoint create --region RegionOne placement public http://controller:8778
+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 2b1b2637908b4137a9c2e0470487cbc0 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 2d1a27022e6e4185b86adac4444c495f |
| service_name | placement                        |
| service_type | placement                        |
| url          | http://controller:8778           |
+--------------+----------------------------------+

$ openstack endpoint create --region RegionOne placement internal http://controller:8778
+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 02bcda9a150a4bd7993ff4879df971ab |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 2d1a27022e6e4185b86adac4444c495f |
| service_name | placement                        |
| service_type | placement                        |
| url          | http://controller:8778           |
+--------------+----------------------------------+

$ openstack endpoint create --region RegionOne placement admin http://controller:8778
+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 3d71177b9e0f406f98cbff198d74b182 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 2d1a27022e6e4185b86adac4444c495f |
| service_name | placement                        |
| service_type | placement                        |
| url          | http://controller:8778           |
+--------------+----------------------------------+

安装及配置组件

安装软件包

yum install openstack-nova-api openstack-nova-conductor \
  openstack-nova-console openstack-nova-novncproxy \
  openstack-nova-scheduler openstack-nova-placement-api

配置/etc/nova/nova.conf文件

在[DEFAULT]字段中,设置API

[DEFAULT]
# ...
enabled_apis = osapi_compute,metadata

在 [api_database]及[database]字段设置数据库接入许可

[api_database]
# ...
connection = mysql+pymysql://nova:NOVA_DBPASS@controller/nova_api

[database]
# ...
connection = mysql+pymysql://nova:NOVA_DBPASS@controller/nova

在[DEFAULT]字段, 设置RabbitMQ消息队列接入权限

[DEFAULT]
# ...
transport_url = rabbit://openstack:RABBIT_PASS@controller

在[api]及[keystone_authtoken]字段中,设置身份验证服务

[api]
# ...
auth_strategy = keystone

[keystone_authtoken]
# ...
auth_url = http://controller:5000/v3
memcached_servers = controller:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = nova
password = NOVA_PASS

在[DEFAULT]字段中,设置 my_ip 选项，为控制节点的IP地址

[DEFAULT]
# ...
my_ip = 192.168.125.115

在[DEFAULT]字段,开启网络服务

[DEFAULT]
# ...
use_neutron = True
firewall_driver = nova.virt.firewall.NoopFirewallDriver

在 [vnc] 字段中，设置 VNC代理为控制节点的IP

[vnc]
enabled = true
# ...
server_listen = $my_ip
server_proxyclient_address = $my_ip

在[glance] 字段, 设置镜像服务API:

[glance]
# ...
api_servers = http://controller:9292

在[oslo_concurrency] 字段, 配置 lock 路径

[oslo_concurrency]
# ...
lock_path = /var/lib/nova/tmp

由于软件包的一个bug，需要在/etc/httpd/conf.d/00-nova-placement-api.conf文件中添加如下配置

<Directory /usr/bin>
   <IfVersion >= 2.4>
      Require all granted
   </IfVersion>
   <IfVersion < 2.4>
      Order allow,deny
      Allow from all
   </IfVersion>
</Directory>

重新http服务

systemctl restart httpd

同步nova-api数据库

su -s /bin/sh -c "nova-manage api_db sync" nova

出现警告 /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/enginefacade.py:332: NotSupportedWarning: Configuration option(s) ['use_tpool'] not supported
exception.NotSupportedWarning
将.py文件中332的语句注释掉

注册cell0 数据库

su -s /bin/sh -c "nova-manage cell_v2 map_cell0" nova

创建cell1 cell

su -s /bin/sh -c "nova-manage cell_v2 create_cell --name=cell1 --verbose" nova 109e1d4b-536a-40d0-83c6-5f121b82b650

同步nova数据库

su -s /bin/sh -c "nova-manage db sync" nova

验证 nova、 cell0、 cell1数据库是否注册正确

# nova-manage cell_v2 list_cells
+-------+--------------------------------------+
| Name  | UUID                                 |
+-------+--------------------------------------+
| cell1 | 109e1d4b-536a-40d0-83c6-5f121b82b650 |
| cell0 | 00000000-0000-0000-0000-000000000000 |
+-------+--------------------------------------+

完成安装

启动服务及至设置开机启动

# systemctl enable openstack-nova-api.service \
  openstack-nova-consoleauth.service openstack-nova-scheduler.service \
  openstack-nova-conductor.service openstack-nova-novncproxy.service
# systemctl start openstack-nova-api.service \
  openstack-nova-consoleauth.service openstack-nova-scheduler.service \
  openstack-nova-conductor.service openstack-nova-novncproxy.service

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OpenStack部署-4安装Nova

安装Nova

安装必备条件

安装及配置组件

完成安装

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