报错信息##CRITICAL keystonemiddleware.auth_token [req-b4d47c7d-ee70-4598-9f86-316ad846066a - - - - -] Unable to validate token: Could not find versioned identity endpoints when attempting to authenticate. Please check that your auth_url is correct. Unable to establish connection to http://controller:11211: ('Connection aborted.', BadStatusLine("''",)): DiscoveryFailure: Could not find versioned identity endpoints when attempting to authenticate. Please check that your auth_url is correct. Unable to establish connection to http://controller:11211: ('Connection aborted.', BadStatusLine("''",))\x1b[00m
问题描述：openstack无法创建正确的实例，创建的实例网络部分和镜像部分丢失，且无法从dashboard网页删除。
你现在是搭建了openstack了？各组件没问题吧？
要首先确保搭建好，才可以去创建云实例，创建云主机的。
然后，看你这报错，还涉及到认证方面，你弄好认证用户，域相关的用户权限认证没有？？？
有些操作不能在UI界面搞的话，就去后台用命令行来。