[root@localhost ~]# cat /etc/redhat-release CentOS Linux release 7.0.1406 (Core) [root@localhost ~]# uname -aLinux localhost.localdomain 3.10.0-123.el7.x86_64 #1 SMP Mon Jun 30 12:09:22 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

yum -y install centos-release-openstack-newton #安装官方yum源yum -y upgrade                        #更新yum -y install python-openstackclient #安装工具yum -y install openstack-selinux      #安装openstack-selinux包自动管理openstack组件的安全策略

[root@localhost ~]# more /etc/yum.conf [main]cachedir=/newton 新建该目录keepcache=1  把这个原本是0的改为1，是把yum缓存到本地debuglevel=2logfile=/var/log/yum.logexactarch=1obsoletes=1gpgcheck=1plugins=1installonly_limit=5bugtracker_url=http://bugs.centos.org/set_project.php?project_id=23&ref=http://bugs.centos.org/bug_report_page.php?category=yumdistroverpkg=centos-release

yum -y install mariadb mariadb-server python2-PyMySQL 

配置文件：/etc/my.cnf.d/openstack.cnf[mysqld]bind-address = 192.168.1.120 #本机管理网络ipdefault-storage-engine = innodb  #mysql的存储引擎innodb_file_per_table    #独立表空间max_connections = 4096 #最大链接数collation-server = utf8_general_ci  #默认排序规则character-set-server = utf8 #字符集

[root@localhost ~]# systemctl start mariadb.service[root@localhost ~]# systemctl enable mariadb.serviceCreated symlink from /etc/systemd/system/multi-user.target.wants/mariadb.service to /usr/lib/systemd/system/mariadb.service.[root@localhost ~]# systemctl status mariadb.service● mariadb.service - MariaDB 10.1 database server   Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor preset: disabled)   Active: active (running) since Mon 2017-02-06 09:25:17 EST; 16s ago Main PID: 43433 (mysqld)   Status: "Taking your SQL requests now..."   CGroup: /system.slice/mariadb.service           └─43433 /usr/libexec/mysqld --basedir=/usrFeb 06 09:25:16 localhost.localdomain mysql-prepare-db-dir[43275]: Please report any problems at http://mariadb.org/jiraFeb 06 09:25:16 localhost.localdomain mysql-prepare-db-dir[43275]: The latest information about MariaDB is available at http://mariadb.org/.Feb 06 09:25:16 localhost.localdomain mysql-prepare-db-dir[43275]: You can find additional information about the MySQL part at:Feb 06 09:25:16 localhost.localdomain mysql-prepare-db-dir[43275]: http://dev.mysql.comFeb 06 09:25:16 localhost.localdomain mysql-prepare-db-dir[43275]: Support MariaDB development by buying support/new features from MariaDBFeb 06 09:25:16 localhost.localdomain mysql-prepare-db-dir[43275]: Corporation Ab. You can contact us about this at sales@mariadb.com.Feb 06 09:25:16 localhost.localdomain mysql-prepare-db-dir[43275]: Alternatively consider joining our community based development effort:Feb 06 09:25:16 localhost.localdomain mysql-prepare-db-dir[43275]: http://mariadb.com/kb/en/contributing-to-the-mariadb-project/Feb 06 09:25:16 localhost.localdomain mysqld[43433]: 2017-02-06  9:25:16 140101128218816 [Note] /usr/libexec/mysqld (mysqld 10.1.18-MariaD...433 ...Feb 06 09:25:17 localhost.localdomain systemd[1]: Started MariaDB 10.1 database server.Hint: Some lines were ellipsized, use -l to show in full.

mysql_secure_installation

[root@localhost ~]# mysql -u root -pEnter password: Welcome to the MariaDB monitor.  Commands end with ; or \g.Your MariaDB connection id is 8Server version: 10.1.18-MariaDB MariaDB ServerCopyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.MariaDB [(none)]> CREATE DATABASE keystone;#新建数据库Query OK, 1 row affected (0.00 sec) MariaDB [(none)]> GRANT ALL PRIVILEGES ON keystone.* TO ‘keystone‘@‘localhost‘     ->   IDENTIFIED BY ‘123‘;    #新建本地访问keystone账号Query OK, 0 rows affected (0.00 sec)MariaDB [(none)]> GRANT ALL PRIVILEGES ON keystone.* TO ‘keystone‘@‘%‘     ->   IDENTIFIED BY ‘123‘;   #新建远程访问keystone账号Query OK, 0 rows affected (0.00 sec)

#keystone软件包名openstack-keystone#安装httpd和mod_wsgi的原因是，社区主推apache+keystone#openstack-keystone本质就是一款基于wsgi协议的web app,而httpd本质就是一个兼容wsgi协议的web server，所以我们需要为httpd安装mod_wsgi模块yum -y install openstack-keystone httpd mod_wsgi

#让openstack-keystone能够知道如何连接到后端的数据库keystone#mysql+pymysql：pymysql是一个python库，使用python可以操作mysql原生sql[database]connection = mysql+pymysql://keystone:123@192.168.31.57/keystone #注意123没有引号哈[token]provider = fernet #fernet为生成token的方式

#初始化是因为python的orm对象关系映射，需要初始化来生成数据库表结构su -s /bin/sh -c "keystone-manage db_sync" keystone