src/public/test/test_rabbit_helper.py:3 (test_hunt_rabbit)
self = <amqp.transport.TCPTransport object at 0x11260c400>, host = 'rabbitmq'
port = 5672, timeout = 5

    def _connect(self, host, port, timeout):
        e = None

        # Below we are trying to avoid additional DNS requests for AAAA if A
        # succeeds. This helps a lot in case when a hostname has an IPv4 entry
        # in /etc/hosts but not IPv6. Without the (arguably somewhat twisted)
        # logic below, getaddrinfo would attempt to resolve the hostname for
        # both IP versions, which would make the resolver talk to configured
        # DNS servers. If those servers are for some reason not available
        # during resolution attempt (either because of system misconfiguration,
        # or network connectivity problem), resolution process locks the
        # _connect call for extended time.
        addr_types = (socket.AF_INET, socket.AF_INET6)
        addr_types_num = len(addr_types)
        for n, family in enumerate(addr_types):
            # first, resolve the address for a single address family
            try:
                entries = socket.getaddrinfo(
>                   host, port, family, socket.SOCK_STREAM, SOL_TCP)

../../../../venv/lib/python3.6/site-packages/amqp/transport.py:137:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

host = 'rabbitmq', port = 5672, family = <AddressFamily.AF_INET6: 30>
socktype = <SocketKind.SOCK_STREAM: 1>, proto = 6, flags = 0

    def getaddrinfo(host, port, family=0, socktype=0, proto=0, flags=0):
        """Replacement for Python's socket.getaddrinfo

        This does the A and AAAA lookups asynchronously after which it
        calls the OS' getaddrinfo(3) using the AI_NUMERICHOST flag.  This
        flag ensures getaddrinfo(3) does not use the network itself and
        allows us to respect all the other arguments like the native OS.
        """
        if isinstance(host, six.string_types):
            host = host.encode('idna').decode('ascii')
        if host is not None and not is_ip_addr(host):
            qname, addrs = _getaddrinfo_lookup(host, family, flags)
        else:
            qname = host
            addrs = [host]
        aiflags = (flags | socket.AI_NUMERICHOST) & (0xffff ^ socket.AI_CANONNAME)
        res = []
        err = None
        for addr in addrs:
            try:
                ai = socket.getaddrinfo(addr, port, family,
                                        socktype, proto, aiflags)
            except socket.error as e:
                if flags & socket.AI_ADDRCONFIG:
                    err = e
                    continue
                raise
            res.extend(ai)
        if not res:
            if err:
                raise err
>           raise socket.gaierror(socket.EAI_NONAME, 'No address found')
E           socket.gaierror: [Errno 8] No address found

../../../../venv/lib/python3.6/site-packages/eventlet/support/greendns.py:537: gaierror

During handling of the above exception, another exception occurred:

    def test_hunt_rabbit():
        service = "user_service"
        method = "check_token"
        params = {"token": "blbej_token"}
>       result = hunt_rabbit(service=service, method=method, params=params)

test_rabbit_helper.py:8:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
../rabbit_helper.py:35: in hunt_rabbit
    with ClusterRpcProxy(config) as cluster_rpc:
../../../../venv/lib/python3.6/site-packages/nameko/standalone/rpc.py:222: in __enter__
    return self.start()
../../../../venv/lib/python3.6/site-packages/nameko/standalone/rpc.py:228: in start
    self._reply_listener.setup()
../../../../venv/lib/python3.6/site-packages/nameko/rpc.py:260: in setup
    self.queue_consumer.register_provider(self)
../../../../venv/lib/python3.6/site-packages/nameko/standalone/rpc.py:123: in register_provider
    self._setup_consumer()
../../../../venv/lib/python3.6/site-packages/nameko/standalone/rpc.py:102: in _setup_consumer
    channel = self.connection.channel()
../../../../venv/lib/python3.6/site-packages/kombu/connection.py:288: in channel
    chan = self.transport.create_channel(self.connection)
../../../../venv/lib/python3.6/site-packages/kombu/connection.py:837: in connection
    self._connection = self._establish_connection()
../../../../venv/lib/python3.6/site-packages/kombu/connection.py:792: in _establish_connection
    conn = self.transport.establish_connection()
../../../../venv/lib/python3.6/site-packages/kombu/transport/pyamqp.py:130: in establish_connection
    conn.connect()
../../../../venv/lib/python3.6/site-packages/amqp/connection.py:311: in connect
    self.transport.connect()
../../../../venv/lib/python3.6/site-packages/amqp/transport.py:77: in connect
    self._connect(self.host, self.port, self.connect_timeout)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <amqp.transport.TCPTransport object at 0x11260c400>, host = 'rabbitmq'
port = 5672, timeout = 5

    def _connect(self, host, port, timeout):
        e = None

        # Below we are trying to avoid additional DNS requests for AAAA if A
        # succeeds. This helps a lot in case when a hostname has an IPv4 entry
        # in /etc/hosts but not IPv6. Without the (arguably somewhat twisted)
        # logic below, getaddrinfo would attempt to resolve the hostname for
        # both IP versions, which would make the resolver talk to configured
        # DNS servers. If those servers are for some reason not available
        # during resolution attempt (either because of system misconfiguration,
        # or network connectivity problem), resolution process locks the
        # _connect call for extended time.
        addr_types = (socket.AF_INET, socket.AF_INET6)
        addr_types_num = len(addr_types)
        for n, family in enumerate(addr_types):
            # first, resolve the address for a single address family
            try:
                entries = socket.getaddrinfo(
                    host, port, family, socket.SOCK_STREAM, SOL_TCP)
                entries_num = len(entries)
            except socket.gaierror:
                # we may have depleted all our options
                if n + 1 >= addr_types_num:
                    # if getaddrinfo succeeded before for another address
                    # family, reraise the previous socket.error since it's more
                    # relevant to users
                    raise (e
                           if e is not None
                           else socket.error(
>                              "failed to resolve broker hostname"))
E                   OSError: failed to resolve broker hostname

../../../../venv/lib/python3.6/site-packages/amqp/transport.py:148: OSError