1.
2014-11-14 19:40:20.463 7740 TRACE keystone File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 187, in __init__
2014-11-14 19:40:20.463 7740 TRACE keystone super(Connection, self).__init__(*args, **kwargs2)
2014-11-14 19:40:20.463 7740 TRACE keystone OperationalError: (OperationalError) (2003, "Can‘t connect to MySQL server on ‘127.0.0.1‘ (111)") None None
解决方法：
root@controller2:~# vim /etc/keystone/keystone.conf
# Deprecated group/name - [sql]/connection
#connection=sqlite:////var/lib/keystone/keystone.db
connection = mysql://keystone:keystone@localhost/keystone
ubuntu14.10安装keystone过程中的问题(juno)
原文：http://lbs1991.blog.51cto.com/9134853/1576980