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[Cedric Brandily <1482633@xxxxxxxxxxxxxxxxxx>]

** Also affects: oslo.service
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1482633

Title:
  requests to SSL wrapped sockets hang while reading using py3

Status in Manila:
  New
Status in neutron:
  Confirmed
Status in oslo.service:
  New

Bug description:
  If we run unit tests using py3 then we get following errors:

  ======================================================================
  FAIL: manila.tests.test_wsgi.TestWSGIServer.test_app_using_ssl
  tags: worker-0
  ----------------------------------------------------------------------
  Empty attachments:
    pythonlogging:''
    stdout

  stderr: {{{
  Traceback (most recent call last):
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/hubs/hub.py", line 457, in fire_timers
      timer()
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/hubs/timer.py", line 58, in __call__
      cb(*args, **kw)
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/greenthread.py", line 214, in main
      result = function(*args, **kwargs)
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/wsgi.py", line 823, in server
      client_socket = sock.accept()
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/green/ssl.py", line 333, in accept
      suppress_ragged_eofs=self.suppress_ragged_eofs)
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/green/ssl.py", line 88, in __init__
      self.do_handshake()
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/green/ssl.py", line 241, in do_handshake
      super(GreenSSLSocket, self).do_handshake)
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/green/ssl.py", line 106, in _call_trampolining
      return func(*a, **kw)
    File "/usr/lib/python3.4/ssl.py", line 805, in do_handshake
      self._sslobj.do_handshake()
  ssl.SSLWantReadError: The operation did not complete (read) (_ssl.c:598)
  }}}

  Traceback (most recent call last):
    File "/home/vponomaryov/Documents/python/projects/manila/manila/tests/test_wsgi.py", line 181, in test_app_using_ssl
      'https://127.0.0.1:%d/' % server.port)
    File "/usr/lib/python3.4/urllib/request.py", line 153, in urlopen
      return opener.open(url, data, timeout)
    File "/usr/lib/python3.4/urllib/request.py", line 455, in open
      response = self._open(req, data)
    File "/usr/lib/python3.4/urllib/request.py", line 473, in _open
      '_open', req)
    File "/usr/lib/python3.4/urllib/request.py", line 433, in _call_chain
      result = func(*args)
    File "/usr/lib/python3.4/urllib/request.py", line 1273, in https_open
      context=self._context, check_hostname=self._check_hostname)
    File "/usr/lib/python3.4/urllib/request.py", line 1232, in do_open
      h.request(req.get_method(), req.selector, req.data, headers)
    File "/usr/lib/python3.4/http/client.py", line 1065, in request
      self._send_request(method, url, body, headers)
    File "/usr/lib/python3.4/http/client.py", line 1103, in _send_request
      self.endheaders(body)
    File "/usr/lib/python3.4/http/client.py", line 1061, in endheaders
      self._send_output(message_body)
    File "/usr/lib/python3.4/http/client.py", line 906, in _send_output
      self.send(msg)
    File "/usr/lib/python3.4/http/client.py", line 841, in send
      self.connect()
    File "/usr/lib/python3.4/http/client.py", line 1205, in connect
      server_hostname=server_hostname)
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/green/ssl.py", line 362, in _green_sslcontext_wrap_socket
      return GreenSSLSocket(sock, *a, _context=self, **kw)
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/green/ssl.py", line 88, in __init__
      self.do_handshake()
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/green/ssl.py", line 241, in do_handshake
      super(GreenSSLSocket, self).do_handshake)
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/green/ssl.py", line 116, in _call_trampolining
      timeout_exc=timeout_exc('timed out'))
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/hubs/__init__.py", line 162, in trampoline
      return hub.switch()
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/hubs/hub.py", line 294, in switch
      return self.greenlet.switch()
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/hubs/hub.py", line 346, in run
      self.wait(sleep_time)
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/hubs/poll.py", line 85, in wait
      presult = self.do_poll(seconds)
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/eventlet/hubs/epolls.py", line 62, in do_poll
      return self.poll.poll(seconds)
    File "/home/vponomaryov/Documents/python/projects/manila/.tox/py34/lib/python3.4/site-packages/fixtures/_fixtures/timeout.py", line 52, in signal_handler
      raise TimeoutException()
  fixtures._fixtures.timeout.TimeoutException

  Debugging by hands shown that service starting and closing OK, but
  when we request something from it using py3 and SSL then we do not get
  answer at all. In case of unit tests we face test timeout.

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