项目代码见GitHub：https://github.com/junneyang/openstack-customization-example
参考资料：
Install and configure Horizon：http://docs.openstack.org/mitaka/install-guide-rdo/horizon-install.html
OpenStack 计算服务API文档：http://developer.openstack.org/api-ref-compute-v2.1.html#os-multiple-create-v2.1
Identity API v2.0 (SUPPORTED)：http://developer.openstack.org/api-ref-identity-v2.html
Customizing Horizon：http://docs.openstack.org/developer/horizon/topics/customizing.html#horizon-customization-module-overrides
Tutorial: Building a Dashboard using Horizon¶：http://docs.openstack.org/developer/horizon/topics/tutorial.html
Customize the dashboard：http://docs.openstack.org/admin-guide/common/dashboard_customizing.html
Tutorial: Adding a complex action to a table：http://docs.openstack.org/developer/horizon/tutorials/table_actions.html
horion view.py源码：https://github.com/openstack/horizon/blob/master/horizon/views.py
2.9. Configuring instances at boot time（虚拟机启动后注入执行脚本）：https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux_OpenStack_Platform/4/html/End_User_Guide/user-data.html
Source code for openstack_dashboard.api.keystone：http://docs.openstack.org/developer/horizon/_modules/openstack_dashboard/api/keystone.html
Source code for openstack_dashboard.api.rest.keystone：http://docs.openstack.org/developer/horizon/_modules/openstack_dashboard/api/rest/keystone.html