Centos7安装OpenStack Queens 成功

官方详细过程文档：https://docs.openstack.org/install-guide/index.html
(UPDATED: 2018-03-04 07:07) 要仔细阅读文档，，，

由于一直之前安装出现各种问题，安装前永久关闭了系统的selinux和firewalld。

问题以及文档描述不够清晰的第三方参考
/etc/httpd/conf.d/00-nova-placement-api.conf:文件的修改
http://blog.csdn.net/yenai2008/article/details/60581011
安装Dashboard服务后，再额外修改一处地方
https://www.cnblogs.com/youran-he/p/8192250.html
Ensure your Linux operating system kernel supports network bridge filters
https://www.cnblogs.com/zejin2008/p/7102485.html

一些可能会混淆的地方
共两台虚拟主机的最小化安装Controller node 和 Compute node
每个虚拟机配置网口时有两个网口：

Management管理网口 和 Provider networks服务网口

安装包信息参考
yum upgrade

            both controller and compute:    yum install chrony centos-release-openstack-xxx python-openstackclient openstack-selinux openstack-neutron openstack-neutron-linuxbridge ebtables

           only ontroller:  yum install rabbitmq-server memcached python-memcached etcd openstack-keystone httpd mod_wsgi openstack-glance   python2-PyMySQL
    (tar安装包安装mysql,并设置好root密码)
    yum install openstack-nova-api openstack-nova-conductor openstack-nova-console openstack-nova-novncproxy openstack-nova-scheduler openstack-nova-placement-api
    yum install  openstack-neutron-ml2
    yum install openstack-dashboard

             only compute:  yum install ipset 
        yum install openstack-nova-compute

参考官方文档
https://docs.openstack.org/install-guide/environment.html

1. 各个节点主机名不能相同，（也避免下划线吧如：and_node1）

2. 设置密码避免使用@ （如：abc@233）

3. 安装glance时有省略（To create the database, complete these steps:），就是要先创建数据库glance（create database glance;）

4. CentOS7.4 安装MariaDB无法启动，改为MySQL官方最新版继续了

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https://docs.openstack.org/glance/pike/install/install-rdo.html

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待续