Openstack Nova 控制服务 和 计算服务 (六)
引用: https://docs.openstack.org/ocata/zh_CN/install-guide-rdo/nova.html
先决条件
1 ) 在安装和配置 Compute 服务前，你必须创建数据库服务的凭据以及 API endpoints。
mysql -u root -p
2 ) Create the nova_api, nova, and nova_cell0 databases:
MariaDB [(none)]> CREATE DATABASE nova_api;
MariaDB [(none)]> CREATE DATABASE nova;
MariaDB [(none)]> CREATE DATABASE nova_cell0;
3 )对数据库进行正确的授权：
GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'%' IDENTIFIED BY '123456';
GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'%' IDENTIFIED BY '123456';
GRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'%' IDENTIFIED BY '123456';
4）获得 admin 凭证来获取只有管理员能执行的命令的访问权限：
source admin.sh
5） 创建nova用户：
openstack user create --domain default --password-prompt nova # 我设置了123456
[root@cont-1 ~]# openstack user create --domain default --password-prompt nova
User Password:
Repeat User Password:
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| domain_id | 317ace63cb8f4562af682ca6c7bdf955 |
| enabled | True |
| id | ebe9faf1e4964d7ab022780190c713be |
| name | nova |
| options | {} |
| password_expires_at | None |
+---------------------+----------------------------------+
6 ） 给 nova 用户添加 admin 角色：
openstack role add --project service --user nova admin
*** 此命令没有任何输出
7 ) 创建计算节点的 Compute API service endpoints:
[root@cont-1 ~]# openstack endpoint create --region RegionOne compute public http://openstack-linux36-vip.magedu.net:8774/v2.1
RegionOne compute admin http://openstack-linux36-vip.magedu.net:8774/v2.1
+--------------+---------------------------------------------------+
| Field | Value |
+--------------+---------------------------------------------------+
| enabled | True |
| id | 64d7113f699c414bb4ba419f24caf3c6 |
| interface | public |
| region | RegionOne |
| region_id | RegionOne |
| service_id | 7563ddce71f2419f9042b1cb4b737c00 |
| service_name | nova |
| service_type | compute |
| url | http://openstack-linux36-vip.magedu.net:8774/v2.1 |
+--------------+---------------------------------------------------+
[root@cont-1 ~]# openstack endpoint create --region RegionOne compute internal http://openstack-linux36-vip.magedu.net:8774/v2.1
+--------------+---------------------------------------------------+
| Field | Value |
+--------------+---------------------------------------------------+
| enabled | True |
| id | 09b6f2906f864125ae2c0c2721beeb4e |
| interface | internal |
| region | RegionOne |
| region_id | RegionOne |
| service_id | 7563ddce71f2419f9042b1cb4b737c00 |
| service_name | nova |
| service_type | compute |
| url | http://openstack-linux36-vip.magedu.net:8774/v2.1 |
+--------------+---------------------------------------------------+
[root@cont-1 ~]# openstack endpoint create --region RegionOne compute admin http://openstack-linux36-vip.magedu.net:8774/v2.1
+--------------+---------------------------------------------------+
| Field | Value |
+--------------+---------------------------------------------------+
| enabled | True |
| id | f650c9a98b6a437994b6ba698b30213c |
| interface | admin |
| region | RegionOne |
| region_id | RegionOne |
| service_id | 7563ddce71f2419f9042b1cb4b737c00 |
| service_name | nova |
| service_type | compute |
| url | http://openstack-linux36-vip.magedu.net:8774/v2.1 |
+--------------+---------------------------------------------------+
#########################################################################################################
##
openstack user create --domain default --password-prompt placement
[root@cont-1 ~]# openstack user create --domain default --password-prompt placement
User Password:
Repeat User Password:
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| domain_id | 317ace63cb8f4562af682ca6c7bdf955 |
| enabled | True |
| id | e6e27d0f656d42c6afa07653c1e5707e |
| name | placement |
| options | {} |
| password_expires_at | None |
+---------------------+----------------------------------+
##
openstack role add --project service --user placement admin
##
openstack service create --name placement --description "Placement API" placement
[root@cont-1 ~]# openstack service create --name placement --description "Placement API" placement
+-------------+----------------------------------+
| Field | Value |
+-------------+----------------------------------+
| description | Placement API |
| enabled | True |
| id | aba655abd8ef4ed699b675f7a9744718 |
| name | placement |
| type | placement |
+-------------+----------------------------------+
##
openstack endpoint create --region RegionOne placement public http://openstack-linux36-vip.magedu.net:8778
openstack endpoint create --region RegionOne placement internal http://openstack-linux36-vip.magedu.net:8778
openstack endpoint create --region RegionOne placement admin http://openstack-linux36-vip.magedu.net:8778
[root@cont-1 ~]# openstack endpoint create --region RegionOne placement public http://openstack-linux36-vip.magedu.net:8778
+--------------+----------------------------------------------+
| Field | Value |
+--------------+----------------------------------------------+
| enabled | True |
| id | 14a2b9a8f27a40668e7efab09e422f94 |
| interface | public |
| region | RegionOne |
| region_id | RegionOne |
| service_id | aba655abd8ef4ed699b675f7a9744718 |
| service_name | placement |
| service_type | placement |
| url | http://openstack-linux36-vip.magedu.net:8778 |
+--------------+----------------------------------------------+
[root@cont-1 ~]# openstack endpoint create --region RegionOne placement internal http://openstack-linux36-vip.magedu.net:8778
+--------------+----------------------------------------------+
| Field | Value |
+--------------+----------------------------------------------+
| enabled | True |
| id | 77700950759c4dd8a11c5471ce03b34d |
| interface | internal |
| region | RegionOne |
| region_id | RegionOne |
| service_id | aba655abd8ef4ed699b675f7a9744718 |
| service_name | placement |
| service_type | placement |
| url | http://openstack-linux36-vip.magedu.net:8778 |
+--------------+----------------------------------------------+
[root@cont-1 ~]# openstack endpoint create --region RegionOne placement admin http://openstack-linux36-vip.magedu.net:8778
+--------------+----------------------------------------------+
| Field | Value |
+--------------+----------------------------------------------+
| enabled | True |
| id | f231546406754b5797f24e44b588629b |
| interface | admin |
| region | RegionOne |
| region_id | RegionOne |
| service_id | aba655abd8ef4ed699b675f7a9744718 |
| service_name | placement |
| service_type | placement |
| url | http://openstack-linux36-vip.magedu.net:8778 |
+--------------+----------------------------------------------+
## 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
## 编辑``/etc/nova/nova.conf``文件并完成下面的操作：
在``[DEFAULT]``部分，只启用计算和元数据API：
[DEFAULT]
# ...
2630 enabled_apis = osapi_compute,metadata
在``[api_database]``和``[database]``部分，配置数据库的连接：
[api_database]
# ...
3381 connection = mysql+pymysql://nova:123456@openstack-linux36-vip.magedu.net/nova_api
[database]
# ...
4400 connection = mysql+pymysql://nova:123456@openstack-linux36-vip.magedu.net/nova
在``[DEFAULT]``部分，配置``RabbitMQ``消息队列访问权限：
[DEFAULT]
# ...
3023 transport_url = rabbit://openstack:RABBIT_PASS@controller
transport_url = rabbit://openstack:123456@openstack-linux36-vip.magedu.net
In the [api] and [keystone_authtoken] sections, configure Identity service access:
[api]
# ...
auth_strategy = keystone
[keystone_authtoken]
# ...
auth_uri = http://openstack-linux36-vip.magedu.net:5000
auth_url = http://openstack-linux36-vip.magedu.net:35357
memcached_servers = openstack-linux36-vip.magedu.net:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = nova
password = 123456
在 ``[DEFAULT]``部分，启用网络服务支持（用来开启网络组策略）：
[DEFAULT]
# ...
use_neutron = True
firewall_driver = nova.virt.firewall.NoopFirewallDriver
*** 注解：
默认情况下，计算服务使用内置的防火墙服务。由于网络服务包含了防火墙服务，你必须使用``nova.virt.firewall.NoopFirewallDriver``防火墙服务来禁用掉计算服务内置的防火墙服务
[DEFAULT]
# ......
transport_url = rabbit://openstack:openstack123@openstack-linux36-vip.magedu.net
[vnc]
enabled = true
vncserver_listen = 0.0.0.0 # 可以写0.0.0.0 也可以写本机IP地址
vncserver_proxyclient_address = 0.0.0.0
[glance]
api_servers = http://openstack-linux36-vip.magedu.net:9292
[oslo_concurrency]
# ...
lock_path = /var/lib/nova/tmp
[placement]
os_region_name = RegionOne
project_domain_name = Default
project_name = service
auth_type = password
user_domain_name = Default
auth_url = http://openstack-linux36-vip.magedu.net:35357/v3
username = placement
password = 123456
########################## 保存一下配置, 修复一下httpd的一个bug#####################
# Due to a packaging bug, you must enable access to the Placement API by adding the following configuration to
vim /etc/httpd/conf.d/00-nova-placement-api.conf
<Directory /usr/bin>
<IfVersion >= 2.4>
Require all granted
</IfVersion>
<IfVersion < 2.4>
Order allow,deny
Allow from all
</IfVersion>
</Directory>
# Restart the httpd service:
systemctl restart httpd
# 初始化 nova-api database:
su -s /bin/sh -c "nova-manage api_db sync" nova
# Register the cell0 database:
su -s /bin/sh -c "nova-manage cell_v2 map_cell0" nova
#
su -s /bin/sh -c "nova-manage cell_v2 create_cell --name=cell1 --verbose" nova
[root@cont-1 ~]# su -s /bin/sh -c "nova-manage cell_v2 create_cell --name=cell1 --verbose" nova
5944c763-cc8f-42f8-98d4-e0d57da4ff72
#
su -s /bin/sh -c "nova-manage db sync" nova
# Verify nova cell0 and cell1 are registered correctly:
[root@cont-1 ~]# nova-manage cell_v2 list_cells
+-------+--------------------------------------+
| Name | UUID |
+-------+--------------------------------------+
| cell0 | 00000000-0000-0000-0000-000000000000 |
| cell1 | 5944c763-cc8f-42f8-98d4-e0d57da4ff72 |
+-------+--------------------------------------+
# 启动 Compute 服务并将其设置为随系统启动：
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
# 做个haproxy 转发控制端的 6080
listen openstack_nova_port_6080
bind 0.0.0.0:6080
mode tcp
log global
server 10.10.5.138 10.10.5.138:6080 check inter 3000 fall 2 rise 5
# 查看日志有无error错误：
tail -f /var/log/nova/nova-*.log
# 查看rabbitmq 是否有数据连接进来：
http://10.10.5.150:15672/#/connections | guest | guest
*** 增加其他机器：
1 安装软件
2 拷配置到目标主机
3 更改配置(绑定的IP 等等)
4 启动服务
注意： 不需要重新添加账号，初始化数据库，直接启动即可.
#################################### nova 控制端安装完成 ####################################
nova 计算节点安装:
# 安装软件包：
yum install openstack-nova-compute
# 编辑``/etc/nova/nova.conf``文件并完成下面的操作：
[DEFAULT]
# ...
enabled_apis = osapi_compute,metadata
# 在``[DEFAULT]``部分，配置``RabbitMQ``消息队列访问权限：
transport_url = rabbit://openstack:openstack123@openstack-linux36-vip.magedu.net
# In the [api] and [keystone_authtoken] sections, configure Identity service access:
[api]
# ...
auth_strategy = keystone
[keystone_authtoken]
auth_uri = http://openstack-linux36-vip.magedu.net:5000
auth_url = http://openstack-linux36-vip.magedu.net:35357
memcached_servers = openstack-linux36-vip.magedu.net:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = nova
password = 123456
# 启用网络服务支持：
[DEFAULT]
# ...
use_neutron = True
firewall_driver = nova.virt.firewall.NoopFirewallDriver
** 缺省情况下，Compute 使用内置的防火墙服务。由于 Networking 包含了防火墙服务，所以你必须通过使用 nova.virt.firewall.NoopFirewallDriver 来去除 Compute 内置的防火墙服务。
# 在``[vnc]``部分，启用并配置远程控制台访问：
[vnc]
enabled = True
vncserver_listen = 0.0.0.0
vncserver_proxyclient_address = 10.10.5.135 # 本地ip地址
novncproxy_base_url = http://openstack-linux36-vip.magedu.net:6080/vnc_auto.html #控制端的地址
*** 如果你运行浏览器的主机无法解析``controller`` 主机名，你可以将 ``controller``替换为你控制节点管理网络的IP地址。
# 在 [glance] 区域，配置镜像服务 API 的位置：
[glance]
# ...
api_servers = http://openstack-linux36-vip.magedu.net:9292
# 在 [oslo_concurrency] 部分，配置锁路径：
[oslo_concurrency]
# ...
lock_path = /var/lib/nova/tmp
# In the [placement] section, configure the Placement API:
[placement]
os_region_name = RegionOne
project_domain_name = Default
project_name = service
auth_type = password
user_domain_name = Default
auth_url = http://openstack-linux36-vip.magedu.net:35357/v3
username = placement
password = 123456
# 确定您的计算节点是否支持虚拟机的硬件加速。
egrep -c '(vmx|svm)' /proc/cpuinfo
如果这个命令返回了 one or greater 的值，那么你的计算节点支持硬件加速且不需要额外的配置。
如果这个命令返回了 zero 值，那么你的计算节点不支持硬件加速。你必须配置 libvirt 来使用 QEMU 去代替 KVM
# 在 /etc/nova/nova.conf 文件的 [libvirt] 区域做出如下的编辑：
[libvirt]
# ...
virt_type = qemu
# 多久发现新的节点:
[scheduler]
discover_hosts_in_cells_interval = 300
# 启动计算服务及其依赖，并将其配置为随系统自动启动：
systemctl enable libvirtd.service openstack-nova-compute.service
systemctl start libvirtd.service openstack-nova-compute.service
# 验证操作 控制节点操作如下 获得 admin 凭证来获取只有管理员能执行的命令的访问权限：
source admin.sh
# 列出服务组件，以验证是否成功启动并注册了每个进程：
[root@cont-1 ~]# openstack compute service list
+----+------------------+--------+----------+---------+-------+----------------------------+
| ID | Binary | Host | Zone | Status | State | Updated At |
+----+------------------+--------+----------+---------+-------+----------------------------+
| 1 | nova-scheduler | cont-1 | internal | enabled | up | 2020-05-26T07:42:49.000000 |
| 2 | nova-conductor | cont-1 | internal | enabled | up | 2020-05-26T07:42:47.000000 |
| 4 | nova-consoleauth | cont-1 | internal | enabled | up | 2020-05-26T07:42:50.000000 |
| 7 | nova-compute | node-1 | nova | enabled | up | 2020-05-26T07:42:51.000000 |
| 8 | nova-compute | node-2 | nova | enabled | up | 2020-05-26T07:42:51.000000 |
+----+------------------+--------+----------+---------+-------+----------------------------+
*** 该输出应该显示三个服务组件在控制节点上启用，两个服务组件在计算节点上启用。
# 列出身份认证服务中的 API 端点来验证身份认证服务的连通性：
[root@cont-1 ~]# openstack catalog list
+-----------+-----------+---------------------------------------------------------------+
| Name | Type | Endpoints |
+-----------+-----------+---------------------------------------------------------------+
| keystone | identity | RegionOne |
| | | public: http://openstack-linux36-vip.magedu.net:5000/v3 |
| | | RegionOne |
| | | admin: http://openstack-linux36-vip.magedu.net:35357/v3 |
| | | RegionOne |
| | | internal: http://openstack-linux36-vip.magedu.net:5000/v3 |
| | | |
| nova | compute | RegionOne |
| | | internal: http://openstack-linux36-vip.magedu.net:8774/v2.1 |
| | | RegionOne |
| | | public: http://openstack-linux36-vip.magedu.net:8774/v2.1 |
| | | RegionOne |
| | | admin: http://openstack-linux36-vip.magedu.net:8774/v2.1 |
| | | |
| placement | placement | RegionOne |
| | | public: http://openstack-linux36-vip.magedu.net:8778 |
| | | RegionOne |
| | | internal: http://openstack-linux36-vip.magedu.net:8778 |
| | | RegionOne |
| | | admin: http://openstack-linux36-vip.magedu.net:8778 |
| | | |
| glance | image | RegionOne |
| | | internal: http://openstack-linux36-vip.magedu.net:9292 |
| | | RegionOne |
| | | admin: http://openstack-linux36-vip.magedu.net:9292 |
| | | RegionOne |
| | | public: http://openstack-linux36-vip.magedu.net:9292 |
| | | |
+-----------+-----------+---------------------------------------------------------------+
# List images in the Image service to verify connectivity with the Image service:
[root@cont-1 ~]# openstack image list
+--------------------------------------+--------------+--------+
| ID | Name | Status |
+--------------------------------------+--------------+--------+
| 1511da48-c7d3-4237-85fb-015a69d2134b | cirros-0.3.5 | active |
+--------------------------------------+--------------+--------+
# Check the cells and placement API are working successfully:
[root@cont-1 ~]# nova-status upgrade check
+---------------------------+
| Upgrade Check Results |
+---------------------------+
| Check: Cells v2 |
| Result: Success |
| Details: None |
+---------------------------+
| Check: Placement API |
| Result: Success |
| Details: None |
+---------------------------+
| Check: Resource Providers |
| Result: Success |
| Details: None |
+---------------------------+