照着官网来安装openstack pike之environment设置

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安装openstack前的准备环境:

  两个centos7系统的环境:192.168.101.10 node1,192.168.101.11 node2

控制节点node1,计算节点node2

1、统一hosts文件:

[root@node1 ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.101.10    node1
192.168.101.11    node2

 

[root@node2 ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.101.10   node1
192.168.101.11   node2

 2、时间同步(控制节点操作)

yum install chrony

 修改vim /etc/chrony.conf

allow 192.168.101.0/16    开启

 最后开启服务:

systemctl enable chronyd.service
systemctl start chronyd.service

 以下是计算节点或者其他节点操作:

yum install chrony

 修改vim /etc/chrony.conf

allow 192.168.101.0/16    开启

 注释掉:

#server 0.centos.pool.ntp.org iburst
#server 1.centos.pool.ntp.org iburst
#server 2.centos.pool.ntp.org iburst
#server 3.centos.pool.ntp.org iburst
server 192.168.101.10 iburst           (新增控制节点)

  最后开启服务:

systemctl enable chronyd.service
systemctl start chronyd.service

 有必要的化请设置时区:timedatectl set-timezone Asia/Shanghai

官网设置:

校验结果:

3、在所有节点(这里只有控制节点和计算节点,如果有其他节点也需要操作)操作如下:

yum install centos-release-openstack-pike
yum upgrade

   If the upgrade process includes a new kernel, reboot your host to activate it.

由于更新了kernel,于是需要进行重启,以新内核启动,开启后,继续执行:

yum install python-openstackclient
yum install openstack-selinux
 
4、安装数据库(在控制节点上)
# yum install mariadb mariadb-server python2-Pymysql
# vim /etc/my.cnf.d/openstack.cnf
[mysqld]
bind-address = 192.168.101.10

default-storage-engine = innodb
innodb_file_per_table = on
max_connections = 4096
collation-server = utf8_general_ci
character-set-server = utf8
# systemctl enable mariadb.service
       # systemctl start mariadb.service
# mysql_secure_installation

 5、安装消息队列服务rabbitmq(控制节点上操作)

# yum install rabbitmq-server
# systemctl enable rabbitmq-server.service
# systemctl start rabbitmq-server.service
Add the openstack user:
# rabbitmqctl add_user openstack openstack(账号和密码)
Permit configuration, write, and read access for the openstack user:
# rabbitmqctl set_permissions openstack ".*" ".*" ".*"

 

rabbitmq服务监听在5672、25672端口

列出rabbitmq的插件:
# rabbitmq-plugins list

 启动某一个插件:

# rabbitmq-plugins enable rabbitmq_management

 重启rabbitmq服务:

systemctl restart rabbitmq-server.service

 上面这个开启的插件是一个web管理平台,监听在15672端口:

tcp        0      0 0.0.0.0:15672           0.0.0.0:*               LISTEN      12581/beam.smp 

 访问这个web管理平台:

http://192.168.101.10:15672 默认账号密码:guest:guest
设置使用openstack账号登录:

设置完成,退出登录,使用openstack:openstack登录,即可成功
 
6、安装memcached服务(控制节点):uses Memcached to cache tokens
# yum install memcached python-memcached

 修改配置文件:/etc/sysconfig/memcached

OPTIONS="-l 127.0.0.1,::1,192.168.101.10"

 开启memcached服务:

# systemctl enable memcached.service
# systemctl start memcached.service
tcp        0      0 192.168.101.10:11211    0.0.0.0:*               LISTEN      12982/memcached     
tcp        0      0 127.0.0.1:11211         0.0.0.0:*               LISTEN      12982/memcached

 至此openstack基本前提环境安装完成

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