Example #1
0
    def __init__(self,
                 name,
                 app,
                 host=None,
                 port=None,
                 pool_size=None,
                 protocol=eventlet.wsgi.HttpProtocol):
        """Initialize, but do not start, a WSGI server.

        :param name: Pretty name for logging.
        :param app: The WSGI application to serve.
        :param host: IP address to serve the application.
        :param port: Port number to server the application.
        :param pool_size: Maximum number of eventlets to spawn concurrently.
        :returns: None

        """
        self.name = name
        self.app = app
        self._host = host or "0.0.0.0"
        self._port = port or 0
        self._server = None
        self._socket = None
        self._protocol = protocol
        self._pool = eventlet.GreenPool(pool_size or self.default_pool_size)
        self._logger = logging.getLogger("eventlet.wsgi.server")
        self._wsgi_logger = logging.WritableLogger(self._logger)
Example #2
0
    def __init__(self, name, app, host=None, port=None, pool_size=None,
                 protocol=eventlet.wsgi.HttpProtocol, backlog=128):
        """Initialize, but do not start, a WSGI server.

        :param name: Pretty name for logging.
        :param app: The WSGI application to serve.
        :param host: IP address to serve the application.
        :param port: Port number to server the application.
        :param pool_size: Maximum number of eventlets to spawn concurrently.
        :returns: None

        """
        # Allow operators to customize http requests max header line size.
        eventlet.wsgi.MAX_HEADER_LINE = CONF.max_header_line
        self.name = name
        self.app = app
        self._host = host or "0.0.0.0"
        self._port = port or 0
        self._server = None
        self._socket = None
        self._protocol = protocol
        self._pool = eventlet.GreenPool(pool_size or self.default_pool_size)
        self._logger = logging.getLogger("eventlet.wsgi.server")
        self._wsgi_logger = logging.WritableLogger(self._logger)

        if backlog < 1:
            raise exception.InvalidInput(
                reason='The backlog must be more than 1')
        self._socket = self._get_socket(self._host,
                                        self._port,
                                        backlog=backlog)
Example #3
0
    def __init__(self,
                 name,
                 app,
                 host=None,
                 port=None,
                 pool_size=None,
                 protocol=eventlet.wsgi.HttpProtocol,
                 backlog=128):
        """Initialize, but do not start, a WSGI server.

        :param name: Pretty name for logging.
        :param app: The WSGI application to serve.
        :param host: IP address to serve the application.
        :param port: Port number to server the application.
        :param pool_size: Maximum number of eventlets to spawn concurrently.
        :returns: None

        """
        # Allow operators to customize http requests max header line size.
        eventlet.wsgi.MAX_HEADER_LINE = CONF.max_header_line
        self.name = name
        self.app = app
        self._host = host or "0.0.0.0"
        self._port = port or 0
        self._server = None
        self._socket = None
        self._protocol = protocol
        self.pool_size = pool_size or self.default_pool_size
        self._pool = eventlet.GreenPool(self.pool_size)
        self._logger = logging.getLogger("eventlet.wsgi.server")
        self._wsgi_logger = logging.WritableLogger(self._logger)

        if backlog < 1:
            raise exception.InvalidInput(
                reason='The backlog must be more than 1')

        bind_addr = (host, port)
        # TODO(dims): eventlet's green dns/socket module does not actually
        # support IPv6 in getaddrinfo(). We need to get around this in the
        # future or monitor upstream for a fix
        try:
            info = socket.getaddrinfo(bind_addr[0], bind_addr[1],
                                      socket.AF_UNSPEC, socket.SOCK_STREAM)[0]
            family = info[0]
            bind_addr = info[-1]
        except Exception:
            family = socket.AF_INET

        cert_file = CONF.ssl_cert_file
        key_file = CONF.ssl_key_file
        ca_file = CONF.ssl_ca_file
        self._use_ssl = cert_file or key_file

        if cert_file and not os.path.exists(cert_file):
            raise RuntimeError(_("Unable to find cert_file : %s") % cert_file)

        if ca_file and not os.path.exists(ca_file):
            raise RuntimeError(_("Unable to find ca_file : %s") % ca_file)

        if key_file and not os.path.exists(key_file):
            raise RuntimeError(_("Unable to find key_file : %s") % key_file)

        if self._use_ssl and (not cert_file or not key_file):
            raise RuntimeError(
                _("When running server in SSL mode, you "
                  "must specify both a cert_file and "
                  "key_file option value in your "
                  "configuration file."))

        retry_until = time.time() + 30
        while not self._socket and time.time() < retry_until:
            try:
                self._socket = eventlet.listen(bind_addr,
                                               backlog=backlog,
                                               family=family)
            except socket.error as err:
                if err.args[0] != errno.EADDRINUSE:
                    raise
                eventlet.sleep(0.1)

        if not self._socket:
            raise RuntimeError(
                _("Could not bind to %(host)s:%(port)s "
                  "after trying for 30 seconds") % {
                      'host': host,
                      'port': port
                  })

        (self._host, self._port) = self._socket.getsockname()[0:2]
        LOG.info(
            _("%(name)s listening on %(_host)s:%(_port)s") % {
                'name': self.name,
                '_host': self._host,
                '_port': self._port
            })