做完免秘钥登录，手动可以登录，但是这个调用会报错。。。，另外，ssh 连接并不释放，机器会卡死！！！！

[zhouying370481]

远程目标机器免密码登录失败 原因： 远程目标机器：127.0.0.1 错误：No authentication methods available

解决建议：

[root@lnmp logs]# tailf error.log File "", line 2, in run File "/opt/walle-web/venv/lib/python2.7/site-packages/fabric2/connection.py", line 29, in opens self.open() File "/opt/walle-web/venv/lib/python2.7/site-packages/fabric2/connection.py", line 541, in open self.client.connect(**kwargs) File "/opt/walle-web/venv/lib/python2.7/site-packages/paramiko/client.py", line 446, in connect passphrase, File "/opt/walle-web/venv/lib/python2.7/site-packages/paramiko/client.py", line 765, in _auth raise SSHException("No authentication methods available") SSHException: No authentication methods available

[thedays]

ssh释放连接，可在 wall/service/deployer.py ,line 502 ,line 510,后添加 self.connections[self.task_id].close()