openstack基础环境

主机环境：

centos7.5

ip:192.168.2.11

修改主机名，修改后主机名不得再更改

yum install chrony -y （控制节点和计算节点都要装）
编辑 vi /etc/chrony.conf 文件，按照你环境的要求，对下面的键进行添加，修改或者删除：
#allow 192.168.0.0/16 #删除
server NTP_SERVER iburst #增加

设置开机自启动并启动chronyd

systemctl start chronyd
systemctl enable chronyd

设置时区为亚洲上海
timedatectl set-timezone Asia/Shanghai
chronyc sources

安装openstack源
yum install -y centos-release-openstack-pike

安装mariadb和python2-PyMySQL

yum install -y mariadb mariadb-server python2-PyMySQL

vim /etc/my.cnf.d/openstack.cnf
[mysqld]
bind-address = 192.168.2.11
default-storage-engine = innodb
innodb_file_per_table = on
max_connections = 4096
collation-server = utf8_general_ci
character-set-server = utf8

设置开机自启动并启动mysql

systemctl enable mariadb
systemctl start mariadb

数据库初始化：mysql_secure_installation（密码123123）

创建数据库并授权
MariaDB [(none)]> create database keystone;
Query OK, 1 row affected (0.01 sec)

MariaDB [(none)]> create database nova;
Query OK, 1 row affected (0.01 sec)

MariaDB [(none)]> create database glance;
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> create database neutron;
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> create database cinder;
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> create database nova_api;
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> grant all on nova.* to 'nova'@'localhost' identified by 'nova';
Query OK, 0 rows affected (0.01 sec)

MariaDB [(none)]> grant all on nova.* to 'nova'@'%' identified by 'nova';
Query OK, 0 rows affected (0.01 sec)

MariaDB [(none)]> grant all on nova_api.* to 'nova'@'localhost' identified by 'nova';
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all on nova_api.* to 'nova'@'%' identified by 'nova';
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all on keystone.* to 'keystone'@'%' identified by 'keystone';
Query OK, 0 rows affected (0.01 sec)

MariaDB [(none)]> grant all on keystone.* to 'keystone'@'localhost' identified by 'keystone';
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all on glance.* to 'glance'@'localhost' identified by 'glance';
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all on glance.* to 'glance'@'%' identified by 'glance';
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all on neutron.* to 'neutron'@'localhost' identified by 'neutron';
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all on neutron.* to 'neutron'@'%' identified by 'neutron';
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all on cinder.* to 'cinder'@'localhost' identified by 'cinder';
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all on cinder.* to 'cinder'@'%' identified by 'cinder';
Query OK, 0 rows affected (0.00 sec)

测试：
mysql -ucinder -pcinder
show databases;

##memcache安装（控制节点）
yum install -y memcached python-memcached
memcache更改如下vi /etc/sysconfig/memcached
OPTIONS="-l 127.0.0.1,::1 改为 OPTIONS="-l 192.168.2.11,::1
systemctl start memcached
systemctl enable memcached

##RabbitMQ （控制节点）
yum install -y rabbitmq-server
systemctl enable rabbitmq-server
systemctl start rabbitmq-server
lsof -i:5672
rabbitmqctl add_user openstack openstack
rabbitmqctl set_permissions openstack ".*" ".*" ".*"
rabbitmq-plugins list
rabbitmq-plugins enable rabbitmq_management
systemctl restart rabbitmq-server
#登录rabbitmq WEB管理界面
http://192.168.2.11:15672
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