ssh.py 文件源码

def ssh_connect(cf):
    """
    this is adapted from code by Sebastian Dahlgren
    http://sebastiandahlgren.se/2012/10/11/using-paramiko-to-send-ssh-commands/
    """
    try:
        ssh = paramiko.SSHClient()
        ssh.load_system_host_keys()
        ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
        ssh.connect(cf.server,username=cf.username)
        print("Connected to %s" % cf.server)
    except paramiko.AuthenticationException as e:
        print("Authentication failed when connecting to %s" % cf.server)
        print("error:",e)
        sys.exit(1)
    except Exception as e:
        print("Couldn't establish an ssh connection to %s" % cf.server)
        print("error:", e)
        sys.exit(1)

    return ssh