Open Stack

** Changed in: oslo
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1195431

Title:
  kombu_ssl_version is a cfg.StrOpt but the ssl socket code requires an
  Integer value

Status in Oslo - a Library of Common OpenStack Code:
  Fix Released

Bug description:
  When specifying 'kombu_ssl_version' for the RPC driver such as either
  "kombu_ssl_version=3" or "kombu_ssl_version=SSLv3" the relevant
  OpenStack service (nova, cinder, etc) will fail with the following
  traceback:

  2013-06-27 15:05:30.257 CRITICAL cinder [-] an integer is required
  2013-06-27 15:05:30.257 TRACE cinder Traceback (most recent call last):
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/bin/cinder-scheduler", line 50, in <module>
  2013-06-27 15:05:30.257 TRACE cinder     service.wait()
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/service.py", line 624, in wait
  2013-06-27 15:05:30.257 TRACE cinder     _launcher.wait()
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/service.py", line 135, in wait
  2013-06-27 15:05:30.257 TRACE cinder     service.wait()
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 168, in wait
  2013-06-27 15:05:30.257 TRACE cinder     return self._exit_event.wait()
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/lib/python2.7/dist-packages/eventlet/event.py", line 116, in wait
  2013-06-27 15:05:30.257 TRACE cinder     return hubs.get_hub().switch()
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 187, in switch
  2013-06-27 15:05:30.257 TRACE cinder     return self.greenlet.switch()
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 194, in main
  2013-06-27 15:05:30.257 TRACE cinder     result = function(*args, **kwargs)
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/service.py", line 96, in run_server
  2013-06-27 15:05:30.257 TRACE cinder     server.start()
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/service.py", line 359, in start
  2013-06-27 15:05:30.257 TRACE cinder     self.manager.init_host()
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/scheduler/manager.py", line 62, in init_host
  2013-06-27 15:05:30.257 TRACE cinder     self.request_service_capabilities(ctxt)
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/scheduler/manager.py", line 141, in request_service_capabilities
  2013-06-27 15:05:30.257 TRACE cinder     volume_rpcapi.VolumeAPI().publish_service_capabilities(context)
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/volume/rpcapi.py", line 133, in publish_service_capabilities
  2013-06-27 15:05:30.257 TRACE cinder     version='1.2')
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/openstack/common/rpc/proxy.py", line 142, in fanout_cast
  2013-06-27 15:05:30.257 TRACE cinder     rpc.fanout_cast(context, self._get_topic(topic), msg)
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/openstack/common/rpc/__init__.py", line 179, in fanout_cast
  2013-06-27 15:05:30.257 TRACE cinder     return _get_impl().fanout_cast(CONF, context, topic, msg)
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/openstack/common/rpc/impl_kombu.py", line 812, in fanout_cast
  2013-06-27 15:05:30.257 TRACE cinder     rpc_amqp.get_connection_pool(conf, Connection))
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/openstack/common/rpc/amqp.py", line 635, in fanout_cast
  2013-06-27 15:05:30.257 TRACE cinder     with ConnectionContext(conf, connection_pool) as conn:
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/openstack/common/rpc/amqp.py", line 122, in __init__
  2013-06-27 15:05:30.257 TRACE cinder     self.connection = connection_pool.get()
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/lib/python2.7/dist-packages/eventlet/pools.py", line 119, in get
  2013-06-27 15:05:30.257 TRACE cinder     created = self.create()
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/openstack/common/rpc/amqp.py", line 76, in create
  2013-06-27 15:05:30.257 TRACE cinder     return self.connection_cls(self.conf)
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/openstack/common/rpc/impl_kombu.py", line 447, in __init__
  2013-06-27 15:05:30.257 TRACE cinder     self.reconnect()
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/openstack/common/rpc/impl_kombu.py", line 519, in reconnect
  2013-06-27 15:05:30.257 TRACE cinder     self._connect(params)
  2013-06-27 15:05:30.257 TRACE cinder   File "/opt/stack/cinder/cinder/openstack/common/rpc/impl_kombu.py", line 495, in _connect
  2013-06-27 15:05:30.257 TRACE cinder     self.connection.connect()
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/local/lib/python2.7/dist-packages/kombu-2.5.11-py2.7.egg/kombu/connection.py", line 246, in connect
  2013-06-27 15:05:30.257 TRACE cinder     return self.connection
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/local/lib/python2.7/dist-packages/kombu-2.5.11-py2.7.egg/kombu/connection.py", line 761, in connection
  2013-06-27 15:05:30.257 TRACE cinder     self._connection = self._establish_connection()
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/local/lib/python2.7/dist-packages/kombu-2.5.11-py2.7.egg/kombu/connection.py", line 720, in _establish_connection
  2013-06-27 15:05:30.257 TRACE cinder     conn = self.transport.establish_connection()
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/local/lib/python2.7/dist-packages/kombu-2.5.11-py2.7.egg/kombu/transport/pyamqp.py", line 110, in establish_connection
  2013-06-27 15:05:30.257 TRACE cinder     **conninfo.transport_options or {})
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/local/lib/python2.7/dist-packages/amqp-1.0.12-py2.7.egg/amqp/connection.py", line 136, in __init__
  2013-06-27 15:05:30.257 TRACE cinder     self.transport = create_transport(host, connect_timeout, ssl)
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/local/lib/python2.7/dist-packages/amqp-1.0.12-py2.7.egg/amqp/transport.py", line 252, in create_transport
  2013-06-27 15:05:30.257 TRACE cinder     return SSLTransport(host, connect_timeout, ssl)
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/local/lib/python2.7/dist-packages/amqp-1.0.12-py2.7.egg/amqp/transport.py", line 170, in __init__
  2013-06-27 15:05:30.257 TRACE cinder     super(SSLTransport, self).__init__(host, connect_timeout)
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/local/lib/python2.7/dist-packages/amqp-1.0.12-py2.7.egg/amqp/transport.py", line 105, in __init__
  2013-06-27 15:05:30.257 TRACE cinder     self._setup_transport()
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/local/lib/python2.7/dist-packages/amqp-1.0.12-py2.7.egg/amqp/transport.py", line 178, in _setup_transport
  2013-06-27 15:05:30.257 TRACE cinder     self.sslobj = ssl.wrap_socket(self.sock, **self.sslopts)
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/lib/python2.7/dist-packages/eventlet/green/ssl.py", line 288, in wrap_socket
  2013-06-27 15:05:30.257 TRACE cinder     return GreenSSLSocket(sock, *a, **kw)
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/lib/python2.7/dist-packages/eventlet/green/ssl.py", line 46, in __init__
  2013-06-27 15:05:30.257 TRACE cinder     super(GreenSSLSocket, self).__init__(sock.fd, *args, **kw)
  2013-06-27 15:05:30.257 TRACE cinder   File "/usr/lib/python2.7/ssl.py", line 197, in __init__
  2013-06-27 15:05:30.257 TRACE cinder     ciphers)
  2013-06-27 15:05:30.257 TRACE cinder TypeError: an integer is required

  This is because the underlying rpc driver is trying to create an SSL
  socket which requires an integer such as the following built-in SSL
  integer constants:

  PROTOCOL_SSLv2
  PROTOCOL_SSLv3
  PROTOCOL_SSLv23
  PROTOCOL_TLSv1

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