OpenStack控制節點上搭建Q版nova服務(step5)
1.安裝服務組件
yum install openstack-nova-api openstack-nova-conductor openstack-nova-console openstack-nova-novncproxy openstack-nova-scheduler openstack-nova-placement-api -y
2.在mariadb中創建nova_api、nova、nova_cell0數據庫,創建nova用戶、設置密碼並授予對這三個數據庫的所有操作權限:
mysql -uroot -p
create database nova_api;
create database nova;
create database nova_cell0;
grant all privileges on nova_api.* to ‘nova‘@‘localhost‘ identified by ‘nova‘ with grant option;
grant all privileges on nova_api.* to ‘nova‘@‘%‘ identified by ‘nova‘ with grant option;
grant all privileges on nova.* to ‘nova‘@‘localhost‘ identified by ‘nova‘ with grant option;
grant all privileges on nova.* to ‘nova‘@‘%‘ identified by ‘nova‘ with grant option;
grant all privileges on nova_cell0.* to ‘nova‘@‘localhost‘ identified by ‘nova‘ with grant option;
grant all privileges on nova_cell0.* to ‘nova‘@‘%‘ identified by ‘nova‘ with grant option;
flush privileges;
exit;
3.配置nova組件,以便它可以訪問mariadb數據庫,在導nova表到數據庫之前,一定要先配置這個。
vim /etc/nova/nova.conf
在[api_database]中,添加:
connection = mysql+pymysql://nova:nova@controller1/nova_api
在[database]中,添加:
connection = mysql+pymysql://nova:nova@controller1/nova
保存退出。
3.將nova_api組件的表導入到mariadb的nova_api數據庫中
su -s /bin/sh -c "nova-manage api_db sync" nova
查看nova_api數據庫,我的有32張表。
4.將nova組件的表導入到mariadb的nova數據庫中
su -s /bin/sh -c "nova-manage db sync" nova
查看nova數據庫,我的有110張表。
可能會有一個警告:WARNING: cell0 mapping not found - not syncing cell0.解決辦法在第五步。這個報錯是從N版開始新增的cell功能。
5.註冊nova_cell0數據庫並創建cell1
su -s /bin/sh -c "nova-manage cell_v2 map_cell0" nova
查看nova_cell0,我的有110張表,和nova數據庫中的表一摸一樣。
創建cell1:
su -s /bin/sh -c "nova-manage cell_v2 create_cell --name=cell1 --verbose" nova
6.在keystone服務中,為nova和placement創建用戶,並授予權限:
為nova創建用戶並授予權限:
openstack user create --domain default --password-prompt nova #回車會要求設置密碼,我設置的密碼是nova
openstack role add --project service --user nova admin
為placement創建用戶並授予權限:
openstack user create --domain default --password-prompt placement #回車會要求設置密碼,我設置的密碼是placement
openstack role add --project service --user placement admin
7.配置nova和placement服務組件向keystone服務組件請求token:
配置nova組件向keystone服務請求token:
vim /etc/nova/nova.conf
在[api]下,添加:
auth_strategy = keystone
在[keystone_authtoken]下,添加:
auth_url = http://controller1:5000/v3
memcached_servers = controller1:11211
auth_type = password
project_domain_name = default
user_domain_name = default
project_name = service
username = nova
password = nova
配置placement服務組件向keystone服務組件請求token:
在[placement]下,添加:
os_region_name = RegionOne
project_domain_name = Default
project_name = service
auth_type = password
user_domain_name = Default
auth_url = http://controller1:5000/v3
username = placement
password = placement
保存退出。
8.配置nova啟用計算和元數據API
vim /etc/nova/nova.conf
在[DEFAULT]下,添加:
enabled_apis = osapi_compute,metadata
保存退出。
9.配置nova訪問RabbitMQ 消息隊列
vim /etc/nova/nova.conf
在[DEFAULT]下,添加:
transport_url = rabbit://openstack:123456@controller1
保存退出。
10.在keystone中為nova和placement分別創建服務實體和API端點
為nova創建服務實體和API端點:
openstack service create --name nova --description "OpenStack Compute" compute
openstack endpoint create --region RegionOne compute public http://controller1:8774/v2.1
openstack endpoint create --region RegionOne compute internal http://controller1:8774/v2.1
openstack endpoint create --region RegionOne compute admin http://controller1:8774/v2.1
為placement創建服務實體和API端點:
openstack service create --name placement --description "Placement API" placement
openstack endpoint create --region RegionOne placement public http://controller1:8778
openstack endpoint create --region RegionOne placement internal http://controller1:8778
openstack endpoint create --region RegionOne placement admin http://controller1:8778
OpenStack控制節點上搭建Q版nova服務(step5)