一、安裝
1.1創建nova_api和nova數據庫
並授予對數據庫的正確訪問權限
mysql -u root -p
MariaDB [(none)]> CREATE DATABASE nova_api;
MariaDB [(none)]> CREATE DATABASE nova;
MariaDB [(none)]> CREATE DATABASE nova_cell0;
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'localhost' IDENTIFIED BY '123qwe';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'%' IDENTIFIED BY '123qwe';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' IDENTIFIED BY '123qwe';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'%' IDENTIFIED BY '123qwe';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'localhost' IDENTIFIED BY '123qwe';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'%' IDENTIFIED BY '123qwe';
1.2輸入admin憑據以訪問僅管理CLI命令,創建計算服務憑據,創建nova用戶,將admin角色添加到nova用戶,創建nova服務實體,創建Compute API服務端點,創建一個Placement服務用戶,將Placement用戶添加到具有管理角色的服務項目中,在服務目錄中創建Placement API條目,創建Placement API服務端點
source /home/admin-openrc.sh
openstack user create --domain default --password-prompt nova
openstack role add --project service --user nova admin
openstack service create --name nova \
--description "OpenStack Compute" compute
openstack endpoint create --region RegionOne \
compute public http://controller:8774/v2.1
openstack endpoint create --region RegionOne \
compute internal http://controller:8774/v2.1
openstack endpoint create --region RegionOne \
compute admin http://controller:8774/v2.1
openstack user create --domain default --password-prompt placement
openstack role add --project service --user placement admin
openstack service create --name placement --description "Placement API" placement
openstack endpoint create --region RegionOne placement public http://controller/placement
openstack endpoint create --region RegionOne placement internal http://controller/placement
openstack endpoint create --region RegionOne placement admin http://controller/placement
1.3 安裝和配置組件
yum -y install openstack-nova-api openstack-nova-conductor openstack-nova-console openstack-nova-novncproxy openstack-nova-scheduler openstack-nova-placement-api
編輯/etc/nova/nova.conf
vi /etc/nova/nova.conf
在該[DEFAULT]部分中,僅啓用計算和元數據API,
在[api_database]和[database]部分,配置數據庫訪問,
在本[DEFAULT]節中,配置RabbitMQ 消息隊列訪問,
在[api]和[keystone_authtoken]部分,配置身份服務訪問,
在本[DEFAULT]節中,配置my_ip選項以使用控制器節點的管理接口IP地址,
在本[DEFAULT]節中,啓用對網絡服務的支持,
在本[vnc]節中,配置VNC代理以使用控制器節點的管理接口IP地址,
在本[glance]節中,配置Image Service API的位置,
在該[oslo_concurrency]部分中,配置鎖定路徑,
在本[placement]節中,配置Placement API,
[DEFAULT]
enabled_apis = osapi_compute,metadata
transport_url = rabbit://openstack:123qwe@controller
my_ip = 172.16.4.185
use_neutron = True
firewall_driver = nova.virt.firewall.NoopFirewallDriver
[api]
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 = nova
password = 123qwe
[api_database]
connection = mysql+pymysql://nova:123qwe@controller/nova_api
[database]
connection = mysql+pymysql://nova:123qwe@controller/nova
[vnc]
enabled = true
vncserver_listen = $my_ip
vncserver_proxyclient_address = $my_ip
[glance]
api_servers = http://controller: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://controller:35357/v3
username = placement
password = 123qwe
由於包裝錯誤,您必須通過將以下配置添加到以下內容來啓用對Placement API的訪問
vi /etc/httpd/conf.d/00-nova-placement-api.conf
Listen 8778
<VirtualHost *:8778>
WSGIProcessGroup nova-placement-api
WSGIApplicationGroup %{GLOBAL}
WSGIPassAuthorization On
WSGIDaemonProcess nova-placement-api processes=3 threads=1 user=nova group=nova
WSGIScriptAlias / /usr/bin/nova-placement-api
<IfVersion >= 2.4>
ErrorLogFormat "%M"
</IfVersion>
ErrorLog /var/log/nova/nova-placement-api.log
#SSLEngine On
#SSLCertificateFile ...
#SSLCertificateKeyFile ...
#add
<Directory />
Options All
AllowOverride All
Require all granted
</Directory>
<Directory /usr/bin/nova-placement-api>
Options All
AllowOverride All
Require all granted
</Directory>
</VirtualHost>
填充nova-api數據庫,
註冊cell0數據庫,
創建cell1單元格,
填充新星數據庫,
驗證新星cell0和cell1是否正確註冊,
su -s /bin/sh -c "nova-manage api_db sync" nova
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
109e1d4b-536a-40d0-83c6-5f121b82b650
su -s /bin/sh -c "nova-manage db sync" nova
nova-manage cell_v2 list_cells
啓動Compute服務並將其配置爲在系統啓動時啓動
# 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
二、安裝和配置計算節點
2.1 安裝軟件包
yum install openstack-nova-compute
2.2 編輯/etc/nova/nova.conf文件
該[DEFAULT]部分中,僅啓用計算和元數據API,
在本[DEFAULT]節中,配置RabbitMQ 消息隊列訪問,
在[api]和[keystone_authtoken]部分,配置身份服務訪問,
在本[DEFAULT]節中,配置my_ip選項,
在本[DEFAULT]節中,啓用對網絡服務的支持,
在本[vnc]節中,啓用和配置遠程控制檯訪問,
在本[glance]節中,配置Image Service API的位置,
在該[oslo_concurrency]部分中,配置鎖定路徑,
在本[placement]節中,配置Placement API,
[DEFAULT]
enabled_apis = osapi_compute,metadata
transport_url = rabbit://openstack:123qwe@controller
my_ip = 172.16.4.185
use_neutron = True
firewall_driver = nova.virt.firewall.NoopFirewallDriver
[api]
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 = nova
password = 123qwe
[vnc]
enabled = True
vncserver_listen = 0.0.0.0
vncserver_proxyclient_address = $my_ip
novncproxy_base_url = http://controller:6080/vnc_auto.html
[glance]
api_servers = http://controller: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://controller:35357/v3
username = placement
password = 123qwe
2.3 確定您的計算節點是否支持虛擬機的硬件加速
egrep -c '(vmx | svm)' / proc / cpuinfo
如果此命令返回0或者更大的數字,則您的計算節點支持硬件加速,通常不需要額外的配置。
否則,您必須配置libvirt 爲使用QEMU而不是KVM。
vi /etc/nova/nova.conf
[libvirt]
virt_type = qemu
2.4 啓動Compute服務,包括其依賴關係,並將其配置爲在系統引導時自動啓動
# systemctl enable libvirtd.service openstack-nova-compute.service
# systemctl start libvirtd.service openstack-nova-compute.service
2.5 驗證
輸入管理員憑據以啓用僅管理CLI命令,然後確認數據庫中有計算主機
source /home/admin-opensrc.sh
openstack hypervisor list
發現計算機的主機
su -s /bin/sh -c "nova-manage cell_v2 discover_hosts --verbose" nova
輸入admin憑據以訪問僅管理CLI命令
source /home/admin-opensrc.sh
列出服務組件,以驗證每個進程的成功啓動和註冊
openstack compute service list
在身份服務中列出API端點,以驗證與身份服務的連接
openstack catalog list
在圖像服務中列出圖像以驗證與圖像服務的連接
openstack image list