51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
"""
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(c) Copyright 2014,2015 Hewlett-Packard Development Company, L.P.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 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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"""
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from freezer_api.common import exceptions as freezer_api_exc
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import json
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from webob.dec import wsgify
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@wsgify.middleware
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def json_translator(req, app):
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resp = req.get_response(app)
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if resp.body:
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if isinstance(resp.body, dict):
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try:
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resp.body = json.dumps(resp.body)
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except:
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raise freezer_api_exc.FreezerAPIException(
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'Internal server error: malformed json reply')
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return resp
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class HealthApp(object):
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"""
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Simple WSGI app to support HAProxy polling.
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If the requested url matches the configured path it replies
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with a 200 otherwise passes the request to the inner app
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"""
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def __init__(self, app, path):
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self.app = app
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self.path = path
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def __call__(self, environ, start_response):
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if environ.get('PATH_INFO') == self.path:
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start_response('200 OK', [])
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return []
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return self.app(environ, start_response)
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