58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
# Copyright 2017 Wind River
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import webob.dec
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import webob.exc
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from oslo_config import cfg
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from oslo_log import log as logging
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from dcorch.api.proxy.common import utils
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LOG = logging.getLogger(__name__)
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dispatch_opts = [
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cfg.StrOpt('remote_host',
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default="192.168.204.2",
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help='remote host for api proxy to forward the request'),
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cfg.IntOpt('remote_port',
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default=18774,
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help='listen port for remote host'),
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]
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CONF = cfg.CONF
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CONF.register_opts(dispatch_opts, CONF.type)
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class APIDispatcher(object):
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"""WSGI middleware that dispatch an incoming requests to a remote
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WSGI apps.
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"""
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def __init__(self, app):
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self._remote_host, self._remote_port = \
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utils.get_remote_host_port_options(CONF)
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self.app = app
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@webob.dec.wsgify
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def __call__(self, req):
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"""Route the incoming request to a remote host"""
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LOG.debug("APIDispatcher dispatch the request to remote host: (%s), "
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"port: (%d)" % (self._remote_host, self._remote_port))
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utils.set_request_forward_environ(req, self._remote_host,
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self._remote_port)
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return self.app
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