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部署openstack

环境配置

1、关闭防火墙等安全策略，修改主机名，便于主机映射等操作

控制节点操作

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systemctl stop firewalld && setenforce 0 && hostnamectl set-hostname ct && su -

计算节点操作

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systemctl stop firewalld && setenforce 0 && hostnamectl set-hostname c1 && su -

2、更新组件

控制节点操作（执行多次，确保服务已更新）

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yum -y install net-tools bash-completion vim gcc gcc-c++ make pcre  pcre-devel expat-devel cmake  bzip2 lrzsz <br>yum -y install centos-release-openstack-train python-openstackclient openstack-selinux openstack-utils

计算节点操作（执行多次，确保服务已更新）

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yum -y install net-tools bash-completion vim gcc gcc-c++ make pcre  pcre-devel expat-devel cmake  bzip2 lrzsz <br>yum -y install centos-release-openstack-train python-openstackclient openstack-selinux openstack-utils

 

 

确保组件为最新版本，否则后期配置出错，只能重新部署

3、设置主机映射

控制节点操作

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echo "192.168.228.147 ct" >> /etc/hosts
echo "192.168.228.154 c1" >> /etc/hosts

计算节点操作

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echo "192.168.228.147 ct" >> /etc/hosts
echo "192.168.228.154 c1" >> /etc/hosts

 4、设置免密登陆

控制节点操作

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ssh-keygen -t rsa
#一路回车
ssh-copy-id ct
ssh-copy-id c1

 

 

 

 

 

 

5、配置时间同步

控制节点操作

 

计算节点操作

6、配置环境部署  mariadb

控制节点操作

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yum -y install mariadb mariadb-server python2-PyMySQL

mariadb：是mysql的一个分支，是一款完全兼容mysql的开源软件
mariadb-server：数据库服务
python2-PyMySQL：用于openstack的控制端连接mysql所需要的模块，如果不安装，则无法连接数据库；此包只安装在控制端

 

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yum -y install libibverbs

 libibverbs：远程直接内存访问

添加MySQL 子配置文件

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vim /etc/my.cnf.d/openstack.cnf
 
[mysqld]
bind-address = 192.168.228.147
default-storage-engine = innodb
innodb_file_per_table = on
max_connections = 4096
collation-server = utf8_general_ci
character-set-server = utf8

 开启服务

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systemctl enable mariadb && systemctl start mariadb

 

 

 

 执行 mariadb 配置操作

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mysql_secure_installation                               #执行安装数据库脚本
 
Enter current password for root (enter for none):   #输入当前root密码，回车
OK, successfully used password, moving on...
Set root password? [Y/n] Y                      #是否需要更改root密码，Y确认
Remove anonymous users? [Y/n] Y             #是否移除其他用户，Y确认移除
 ... Success!
Disallow root login remotely? [Y/n] n           #是否不允许root用户远程登陆，输入n，允许root用户远程登陆
 ... skipping.
Remove test database and access to it? [Y/n] Y      #是否删除test测试库，Y确认删除
Reload privilege tables now? [Y/n] Y            #是否刷新规则，Y确认刷新

 7、安装rabbit mq

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yum -y install rabbitmq-server

 

 

 

 

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===配置服务，启动RabbitMQ服务，并设置其开机启动===
systemctl enable rabbitmq-server.service
systemctl start rabbitmq-server.service
 
===创建消息队列用户,用于controler和 计算节点连接rabbitmq的认证（关联）===
rabbitmqctl add_user openstack RABBIT_PASS
 
===配置openstack用户的操作权限(正则，配置读写权限）===
rabbitmqctl set_permissions openstack ".*" ".*" ".*"
 
查看rabbitmq插件列表
rabbitmq-plugins list

 

 

 

 

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开启rabbitmq的web管理界面的插件，端口为15672
rabbitmq-plugins enable rabbitmq_management
 
此时可查看25672和5672 两个端口（5672是Rabbitmq默认端口，25672是Rabbit的测试工具CLI的端口）
netstat -natp | grep 5672

 

 

 

 登陆rabbit mq 默认账号和密码都是guest，点击Login即可进入以下界面

 

 

 

 8、安装 memcached

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yum install -y memcached python-memcached

 

 

 

 修改memcached 配置文件

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vim /etc/sysconfig/memcached
PORT="11211"                    #memcached端口11211
USER="memcached"                #用户memcached
MAXCONN="1024"                  #最大连接数1024
CACHESIZE="64"                  #字符集大小64位
OPTIONS="-l 127.0.0.1,::1,ct"   #监听地址，127.0.0.1：本地地址，::是ipv6地址，ct是本地VMnet1地址

 

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开启服务开机自启，启动服务
systemctl enable memcached
systemctl start memcached
 
netstat -nautp | grep 11211

 

 

 

 9、安装etcd

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yum -y install etcd

 

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cd /etc/etcd/
vim etcd.conf
删除所有内容，复制粘贴以下内容并进行修改
 
ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
ETCD_LISTEN_PEER_URLS="http://192.168.228.147:2380"
ETCD_LISTEN_CLIENT_URLS="http://192.168.228.147:2379"  
ETCD_NAME="ct" 
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.228.147:2380"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.228.147:2379"
ETCD_INITIAL_CLUSTER="ct=http://192.168.228.147:2380"  
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-01"
ETCD_INITIAL_CLUSTER_STATE="new" 

 

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systemctl enable etcd.service
systemctl start etcd.service
netstat -anutp |grep 2379
netstat -anutp |grep 2380

 

 

 

 10、安装keystone

修改MySQL

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mysql -u root -p123456
 
MariaDB [(none)]> CREATE DATABASE keystone;
MariaDB [(none)]> GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' IDENTIFIED BY 'KEYSTONE_DBPASS';
MariaDB [(none)]> GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'%' IDENTIFIED BY '<code class="has-numbering" style="position: unset">KEYSTONE_DBPASS</code>';

 

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yum -y install openstack-keystone httpd mod_wsgi

 

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openstack-config --set /etc/keystone/keystone.conf database connection mysql+pymysql://keystone:KEYSTONE_DBPASS@ct/keystone
 
openstack-config --set /etc/keystone/keystone.conf token provider fernet
Fernet：一种安全的消息传递格式

 

 

 

 

 

 

 初始化数据库

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su -s /bin/sh -c "keystone-manage db_sync" keystone

 初始化 fernet  密钥存储库

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keystone-manage fernet_setup --keystone-user keystone --keystone-group keystone
 
keystone-manage credential_setup --keystone-user keystone --keystone-group keystone

 配置bootstrap身份认证服务

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keystone-manage bootstrap --bootstrap-password ADMIN_PASS \
--bootstrap-admin-url http://ct:5000/v3/ \
--bootstrap-internal-url http://ct:5000/v3/ \
--bootstrap-public-url http://ct:5000/v3/ \
--bootstrap-region-id RegionOne

 配置 apache http 服务器

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echo "ServerName controller" >> /etc/httpd/conf/httpd.conf

 创建httpd 配置文件

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ln -s /usr/share/keystone/wsgi-keystone.conf /etc/httpd/conf.d/
 
开启apache服务
 
systemctl enable httpd
systemctl start httpd

 

 

 

 配置管理员账户

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cat >> ~/.bashrc << EOF
export OS_USERNAME=admin       
export OS_PASSWORD=ADMIN_PASS                   
export OS_PROJECT_NAME=admin
export OS_USER_DOMAIN_NAME=Default
export OS_PROJECT_DOMAIN_NAME=Default
export OS_AUTH_URL=http://ct:5000/v3
export OS_IDENTITY_API_VERSION=3
export OS_IMAGE_API_VERSION=2
EOF

 

 

 

 

 

 

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source ~/.bashrc
 
通过配置环境变量，可以使用openstack命令进行一些操作
openstack user list

 

 

 创建open stack  域 项目 用户 角色

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openstack project create --domain default --description "Service Project" service

 

 

 创建角色

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openstack role create useropenstack role list

 

 

 

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查看是否可以不指定密码就可以获取到token信息（验证认证服务）
 
openstack token issue

 

 

 11、部署glance组件

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mysql -u root -p
CREATE DATABASE glance;
GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' IDENTIFIED BY 'GLANCE_DBPASS';
GRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' IDENTIFIED BY 'GLANCE_DBPASS';
flush privileges;

 创建用户修改配置文件

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openstack user create --domain default --password GLANCE_PASS glance
 
openstack role add --project service --user glance admin                    #添加glance用户到service项目中，权限admin
 
openstack service create --name glance --description "OpenStack Image" image #创建一个service服务 名叫glance   类型image   创建后openstack  service list
 
openstack endpoint create --region RegionOne image public http://ct:9292     #创建镜像api端点
 
openstack endpoint create --region RegionOne image internal http://ct:9292
 
openstack endpoint create --region RegionOne image admin http://ct:9292

 

 

 

 

 

 

 

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安装 openstack-glance 软件包
yum -y install openstack-glance
 
===添加glance-api.conf配置===
cp -a /etc/glance/glance-api.conf{,.bak}
grep -Ev '^$|#' /etc/glance/glance-api.conf.bak > /etc/glance/glance-api.conf

传参

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openstack-config --set /etc/glance/glance-api.conf database connection mysql+pymysql://glance:GLANCE_DBPASS@ct/glance
openstack-config --set /etc/glance/glance-api.conf keystone_authtoken www_authenticate_uri http://ct:5000
openstack-config --set /etc/glance/glance-api.conf keystone_authtoken auth_url http://ct:5000
openstack-config --set /etc/glance/glance-api.conf keystone_authtoken memcached_servers ct:11211
openstack-config --set /etc/glance/glance-api.conf keystone_authtoken auth_type password
openstack-config --set /etc/glance/glance-api.conf keystone_authtoken project_domain_name Default
openstack-config --set /etc/glance/glance-api.conf keystone_authtoken user_domain_name Default
openstack-config --set /etc/glance/glance-api.conf keystone_authtoken project_name service
openstack-config --set /etc/glance/glance-api.conf keystone_authtoken username glance
openstack-config --set /etc/glance/glance-api.conf keystone_authtoken password GLANCE_PASS
openstack-config --set /etc/glance/glance-api.conf paste_deploy flavor keystone
openstack-config --set /etc/glance/glance-api.conf glance_store stores file,http
openstack-config --set /etc/glance/glance-api.conf glance_store default_store file
openstack-config --set /etc/glance/glance-api.conf glance_store filesystem_store_datadir /var/lib/glance/images/
 
cd /etc/glance
cat glance-api.conf

 

 

 

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===修改glance-registry.conf 配置文件===
cp -a /etc/glance/glance-registry.conf{,.bak}
grep -Ev '^$|#' /etc/glance/glance-registry.conf.bak > /etc/glance/glance-registry.conf

 传参

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openstack-config --set /etc/glance/glance-registry.conf database connection  mysql+pymysql://glance:GLANCE_DBPASS@ct/glance
openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken www_authenticate_uri   http://ct:5000
openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken auth_url  http://ct:5000
openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken memcached_servers  ct:11211
openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken auth_type  password
openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken project_domain_name  Default
openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken user_domain_name  Default
openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken project_name  service
openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken username  glance
openstack-config --set /etc/glance/glance-registry.conf keystone_authtoken password  GLANCE_PASS
openstack-config --set /etc/glance/glance-registry.conf paste_deploy flavor  keystone
 
cat glance-registry.conf

 

 

 初始化数据库

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su -s /bin/sh -c "glance-manage db_sync" glance

 

 

 

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===开启glance服务（此处开启之后会生成存放镜像的目录/var/lib/glance/image）===
 
systemctl enable openstack-glance-api.service
systemctl start openstack-glance-api.service
 
===查看端口（也可以使用lsof -i:9292）
netstat -natp | grep 9292
 
===赋予openstack-glance-api.service服务对存储设备的可写权限（-h：值对符号连接/软链接的文件修改）===
chown -hR glance:glance /var/lib/glance/

 导入镜像

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先上传cirros镜像到控制节点=
cd /opt
rz cirros-0.3.5-x86_64-disk.img
openstack image create --file cirros-0.3.5-x86_64-disk.img --disk-format qcow2 --container-format bare --public cirros<br><br>openstack image list<br>glance image-list<br>

 

 

 

 

 12、部署 placement

 

创建数据库实例和用户

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mysql -uroot -p
CREATE DATABASE placement;
GRANT ALL PRIVILEGES ON placement.* TO 'placement'@'localhost' IDENTIFIED BY 'PLACEMENT_DBPASS';
GRANT ALL PRIVILEGES ON placement.* TO 'placement'@'%' IDENTIFIED BY 'PLACEMENT_DBPASS';
flush privileges;
exit；

 创建服务用户  

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openstack user create --domain default --password PLACEMENT_PASS 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://ct:8778
openstack endpoint create --region RegionOne placement internal http://ct:8778
openstack endpoint create --region RegionOne placement admin http://ct:8778

 

 

 安装服务

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yum -y install openstack-placement-api

 修改placement配置文件/etc/placement/placement.conf

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cp -a /etc/placement/placement.conf{,.bak}
grep -Ev '^$|#' /etc/placement/placement.conf.bak > /etc/placement/placement.conf
openstack-config --set /etc/placement/placement.conf placement_database connection mysql+pymysql://placement:PLACEMENT_DBPASS@ct/placement
openstack-config --set /etc/placement/placement.conf api auth_strategy keystone
openstack-config --set /etc/placement/placement.conf keystone_authtoken auth_url  http://ct:5000/v3
openstack-config --set /etc/placement/placement.conf keystone_authtoken memcached_servers ct:11211
openstack-config --set /etc/placement/placement.conf keystone_authtoken auth_type password
openstack-config --set /etc/placement/placement.conf keystone_authtoken project_domain_name Default
openstack-config --set /etc/placement/placement.conf keystone_authtoken user_domain_name Default
openstack-config --set /etc/placement/placement.conf keystone_authtoken project_name service
openstack-config --set /etc/placement/placement.conf keystone_authtoken username placement
openstack-config --set /etc/placement/placement.conf keystone_authtoken password PLACEMENT_PASS

 导入数据库

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

 修改apache 配置文件

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cd /etc/httpd/conf.d
vim 00-placement-api.conf
 
==末行添加==
<Directory /usr/bin>         
<IfVersion >= 2.4>            
    Require all granted
</IfVersion>
<IfVersion < 2.4>             
    Order allow,deny               
    Allow from all     
</IfVersion>
</Directory>

 重启

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systemctl restart httpd

 测试

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curl 测试访问
 
curl ct:8778
查看端口占用（netstat、lsof）
 
netstat -natp | grep 8778
检查placement状态
 
placement-status upgrade check

 

 

 

 

 

 

 13、nova组件安装

组件部署位置

控制节点

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nova-api（nova主服务）
​nova-scheduler（nova调度服务）
​nova-conductor（nova数据库服务，提供数据库访问）
​nova-novncproxy（nova的vnc服务，提供实例的控制台）

计算节点

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nova-compute（nova计算服务）

 创建nova 数据库用户授权

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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_DBPASS';
GRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'%' IDENTIFIED BY 'NOVA_DBPASS';
GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' IDENTIFIED BY 'NOVA_DBPASS';
GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'%' IDENTIFIED BY 'NOVA_DBPASS';
GRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'localhost' IDENTIFIED BY 'NOVA_DBPASS';
GRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'%' IDENTIFIED BY 'NOVA_DBPASS';
flush privileges;
exit;

 创建nova用户

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openstack user create --domain default --password NOVA_PASS 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://ct:8774/v2.1
openstack endpoint create --region RegionOne compute internal http://ct:8774/v2.1
openstack endpoint create --region RegionOne compute admin http://ct:8774/v2.1

 

 

 安装nova组件

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yum -y install openstack-nova-api openstack-nova-conductor openstack-nova-novncproxy openstack-nova-scheduler

 修改配置

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cp -a /etc/nova/nova.conf{,.bak}
grep -Ev '^$|#' /etc/nova/nova.conf.bak > /etc/nova/nova.conf
 
==传参==
openstack-config --set /etc/nova/nova.conf DEFAULT enabled_apis osapi_compute,metadata
 
==修改为ct的IP（内部IP）==
openstack-config --set /etc/nova/nova.conf DEFAULT my_ip 192.168.228.147           
openstack-config --set /etc/nova/nova.conf DEFAULT use_neutron true
openstack-config --set /etc/nova/nova.conf DEFAULT firewall_driver nova.virt.firewall.NoopFirewallDriver
openstack-config --set /etc/nova/nova.conf DEFAULT transport_url rabbit://openstack:RABBIT_PASS@ct
openstack-config --set /etc/nova/nova.conf api_database connection mysql+pymysql://nova:NOVA_DBPASS@ct/nova_api
openstack-config --set /etc/nova/nova.conf database connection mysql+pymysql://nova:NOVA_DBPASS@ct/nova
openstack-config --set /etc/nova/nova.conf placement_database connection mysql+pymysql://placement:PLACEMENT_DBPASS@ct/placement
openstack-config --set /etc/nova/nova.conf api auth_strategy keystone
openstack-config --set /etc/nova/nova.conf keystone_authtoken auth_url http://ct:5000/v3
openstack-config --set /etc/nova/nova.conf keystone_authtoken memcached_servers ct:11211
openstack-config --set /etc/nova/nova.conf keystone_authtoken auth_type password
openstack-config --set /etc/nova/nova.conf keystone_authtoken project_domain_name Default
openstack-config --set /etc/nova/nova.conf keystone_authtoken user_domain_name Default
openstack-config --set /etc/nova/nova.conf keystone_authtoken project_name service
openstack-config --set /etc/nova/nova.conf keystone_authtoken username nova
openstack-config --set /etc/nova/nova.conf keystone_authtoken password NOVA_PASS
openstack-config --set /etc/nova/nova.conf vnc enabled true
openstack-config --set /etc/nova/nova.conf vnc server_listen ' $my_ip'
openstack-config --set /etc/nova/nova.conf vnc server_proxyclient_address ' $my_ip'
openstack-config --set /etc/nova/nova.conf glance api_servers http://ct:9292
openstack-config --set /etc/nova/nova.conf oslo_concurrency lock_path /var/lib/nova/tmp
openstack-config --set /etc/nova/nova.conf placement region_name RegionOne
openstack-config --set /etc/nova/nova.conf placement project_domain_name Default
openstack-config --set /etc/nova/nova.conf placement project_name service
openstack-config --set /etc/nova/nova.conf placement auth_type password
openstack-config --set /etc/nova/nova.conf placement user_domain_name Default
openstack-config --set /etc/nova/nova.conf placement auth_url http://ct:5000/v3
openstack-config --set /etc/nova/nova.conf placement username placement
openstack-config --set /etc/nova/nova.conf placement password PLACEMENT_PASS

 初始化数据库

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

 注册cell0 数据库

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su -s /bin/sh -c "nova-manage cell_v2 map_cell0" nova<br>su -s /bin/sh -c "nova-manage cell_v2 create_cell --name=cell1 --verbose" nova
su -s /bin/sh -c "nova-manage db sync" nova
su -s /bin/sh -c "nova-manage cell_v2 list_cells" nova

启动nova

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

 检查端口

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netstat -tnlup|egrep '8774|8775'
curl http://ct:8774

 计算节点操作

安装计算节点

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yum -y install openstack-nova-compute

 配置配置文件   改计算节点IP

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cp -a /etc/nova/nova.conf{,.bak}
grep -Ev '^$|#' /etc/nova/nova.conf.bak > /etc/nova/nova.conf
 
==传参==
openstack-config --set /etc/nova/nova.conf DEFAULT enabled_apis osapi_compute,metadata
openstack-config --set /etc/nova/nova.conf DEFAULT transport_url rabbit://openstack:RABBIT_PASS@ct
 
==此处为计算节点内部IP，c1、c2不同==
openstack-config --set /etc/nova/nova.conf DEFAULT my_ip 192.168.228.154               
openstack-config --set /etc/nova/nova.conf DEFAULT use_neutron true
openstack-config --set /etc/nova/nova.conf DEFAULT firewall_driver nova.virt.firewall.NoopFirewallDriver
openstack-config --set /etc/nova/nova.conf api auth_strategy keystone
openstack-config --set /etc/nova/nova.conf keystone_authtoken auth_url http://ct:5000/v3
openstack-config --set /etc/nova/nova.conf keystone_authtoken memcached_servers ct:11211
openstack-config --set /etc/nova/nova.conf keystone_authtoken auth_type password
openstack-config --set /etc/nova/nova.conf keystone_authtoken project_domain_name Default
openstack-config --set /etc/nova/nova.conf keystone_authtoken user_domain_name Default
openstack-config --set /etc/nova/nova.conf keystone_authtoken project_name service
openstack-config --set /etc/nova/nova.conf keystone_authtoken username nova
openstack-config --set /etc/nova/nova.conf keystone_authtoken password NOVA_PASS
openstack-config --set /etc/nova/nova.conf vnc enabled true
openstack-config --set /etc/nova/nova.conf vnc server_listen 0.0.0.0
openstack-config --set /etc/nova/nova.conf vnc server_proxyclient_address ' $my_ip'
openstack-config --set /etc/nova/nova.conf vnc novncproxy_base_url http://ct:6080/vnc_auto.html
openstack-config --set /etc/nova/nova.conf glance api_servers http://ct:9292
openstack-config --set /etc/nova/nova.conf oslo_concurrency lock_path /var/lib/nova/tmp
openstack-config --set /etc/nova/nova.conf placement region_name RegionOne
openstack-config --set /etc/nova/nova.conf placement project_domain_name Default
openstack-config --set /etc/nova/nova.conf placement project_name service
openstack-config --set /etc/nova/nova.conf placement auth_type password
openstack-config --set /etc/nova/nova.conf placement user_domain_name Default
openstack-config --set /etc/nova/nova.conf placement auth_url http://ct:5000/v3
openstack-config --set /etc/nova/nova.conf placement username placement
openstack-config --set /etc/nova/nova.conf placement password PLACEMENT_PASS
openstack-config --set /etc/nova/nova.conf libvirt virt_type qemu

 开启服务

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systemctl enable libvirtd.service openstack-nova-compute.service && systemctl start libvirtd.service openstack-nova-compute.service

 控制节点操作

查看是否注册了计算节点

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openstack compute service list --service nova-compute

 

 

 扫描当前openstack中有哪些计算节点可用

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su -s /bin/sh -c "nova-manage cell_v2 discover_hosts --verbose" nova

 修改控制端nova的主配置文件

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vim /etc/nova/nova.conf
 
[scheduler]
discover_hosts_in_cells_interval = 300 
 
==重启服务==
systemctl restart openstack-nova-api.service

 检查 nova 的各个服务是否都是正常

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openstack compute service list

 查看各个组件的 api 是否正常

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openstack catalog list

 查看是否能够拿到镜像

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openstack image list

 查看cell的api和placement的api是否正常，只要其中一个有误，后期无法创建虚拟机

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nova-status upgrade check

 


 

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