OpenStack 安装数据库和rabbitmq消息队列 (三)

一）安装配置数据库

1.1.安装包

# yum install mariadb mariadb-server python2-PyMySQL -y

 1.2.配置数据库

# vim /etc/my.cnf.d/openstack.cnf
[mysqld]
bind-address = 10.0.0.101           # 监听的IP地址（也可以写0.0.0.0）
default-storage-engine = innodb     # 默认存储引擎[innodb]
innodb_file_per_table               # 使用独享表空间
max_connections = 4096              # 最大连接数是4096 （默认是1024）
collation-server = utf8_general_ci  # 数据库默认校对规则
character-set-server = utf8         # 默认字符集

1.3.设置开机启动数据库，启动数据库

systemctl enable mariadb.service
systemctl start mariadb.service

1.4/为了保证数据库服务的安全性，运行``mysql_secure_installation``脚本。特别需要说明的是，为数据库的root用户设置一个适当的密码。

mysql_secure_installation

 1.5.创建认证服务的数据库并进行授权

mysql -uroot -predhat
create database keystone;                                      # 创建keystone数据库
grant all on keystone.* to 'keystone'@'localhost' identified by 'redhat';
grant all on keystone.* to 'keystone'@'%' identified by 'redhat';

 1.6.创建镜像数据库并进行授权

create database glance; # 创建glance数据库
grant all on glance.* to 'glance'@'localhost' identified by 'redhat';
grant all on glance.* to 'glance'@'%' identified by 'redhat';

 1.7.创建nova数据库并进行授权

create database nova; # 创建nova数据库
grant all on nova.* to 'nova'@'localhost' identified by 'redhat';
grant all on nova.* to 'nova'@'%' identified by 'redhat';

 1.8.创建nova-api数据库

create database nova_api;
grant all on nova_api.* to 'nova'@'localhost' identified by 'redhat';
grant all on nova_api.* to 'nova'@'%' identified by 'redhat';

 1.9.创建网络资源管理数据库

create database neutron;
grant all on neutron.* to 'neutron'@'localhost' identified by 'redhat';
grant all on neutron.* to 'neutron'@'%' identified by 'redhat';

二.消息队列安装

2.1 软件包的安装

yum install rabbitmq-server -y

2.2 启动消息队列服务并将其配置为开机自启动

systemctl enable rabbitmq-server.service
systemctl start rabbitmq-server.service

2.3 添加openstack用户,并设置密码

rabbitmqctl add_user openstack redhat

2.4 给openstack用户读写权限

rabbitmqctl set_permissions openstack ".*" ".*" ".*"

.*分别代表配置、写入、读取

2.5 开启rabbitmq WEB页面插件

rabbitmq-plugins enable rabbitmq_management

访问http://10.0.0.101:15672/，默认账号密码：guest/guest