def volume_attach(name, server_name, device='/dev/xvdb', profile=None, timeout=300):
 conn = _auth(profile)
 return conn.volume_attach(name, server_name, device, timeout)

def volume_attach ( name , server_name , device = '/dev/xvdb' , profile = None , timeout = 300 ) : conn = _auth ( profile ) return conn . volume_attach ( name , server_name , device , timeout )
attach a volume .