Source Code for Module ganeti.wconfd

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29   
30   
31  """Module for the WConfd protocol 
32   
33  """ 
34   
35  import logging 
36  import random 
37  import time 
38   
39  import ganeti.rpc.client as cl 
40  import ganeti.rpc.stub.wconfd as stub 
41  from ganeti.rpc.transport import Transport 
42  from ganeti.rpc import errors 
43   
44   
45 -class Client(cl.AbstractStubClient, stub.ClientRpcStub): 
46    # R0904: Too many public methods 
47    # pylint: disable=R0904 
48    """High-level WConfD client implementation. 
49   
50    This uses a backing Transport-like class on top of which it 
51    implements data serialization/deserialization. 
52   
53    """ 
54 -  def __init__(self, timeouts=None, transport=Transport, allow_non_master=None): 
55      """Constructor for the Client class. 
56   
57      Arguments are the same as for L{AbstractClient}. 
58   
59      """ 
60      cl.AbstractStubClient.__init__(self, 
61                                     timeouts=timeouts, 
62                                     transport=transport, 
63                                     allow_non_master=allow_non_master) 
64      stub.ClientRpcStub.__init__(self) 
65   
66      retries = 12 
67      for try_no in range(0, retries): 
68        try: 
69          self._InitTransport() 
70          return 
71        except errors.TimeoutError: 
72          logging.debug("Timout trying to connect to WConfD") 
73          if try_no == retries -1: 
74            raise 
75          logging.debug("Will retry") 
76          time.sleep(try_no * 10 + 10 * random.random()) 
77