1a15292cf2
* To build the query strings; * to build content_location; * and to ensure the type of the HTTP parameters. Implements: blueprint transport-wsgi Change-Id: Ibc06d68e43313e842854f08a8bff010624e7516c
117 lines
3.7 KiB
Python
117 lines
3.7 KiB
Python
# Copyright (c) 2013 Rackspace, Inc.
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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 logging
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import falcon
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from marconi.storage import exceptions
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from marconi import transport
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from marconi.transport import helpers
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LOG = logging.getLogger(__name__)
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class ItemResource(object):
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__slots__ = ('queue_ctrl')
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def __init__(self, queue_controller):
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self.queue_ctrl = queue_controller
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def on_put(self, req, resp, tenant_id, queue_name):
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if req.content_length > transport.MAX_QUEUE_METADATA_SIZE:
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raise falcon.HTTPBadRequest(_('Bad request'),
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_('Queue metadata size is too large.'))
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if req.content_length is None or req.content_length == 0:
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raise falcon.HTTPBadRequest(_('Bad request'),
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_('Missing queue metadata.'))
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try:
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metadata = _filtered(helpers.read_json(req.stream))
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created = self.queue_ctrl.upsert(queue_name,
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metadata=metadata,
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tenant=tenant_id)
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except helpers.MalformedJSON:
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raise falcon.HTTPBadRequest(_('Bad request'),
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_('Malformed queue metadata.'))
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except Exception as ex:
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LOG.error(ex)
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title = _('Service temporarily unavailable')
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msg = _('Please try again in a few seconds.')
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raise falcon.HTTPServiceUnavailable(title, msg, 30)
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resp.status = falcon.HTTP_201 if created else falcon.HTTP_204
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resp.location = req.path
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def on_get(self, req, resp, tenant_id, queue_name):
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try:
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doc = self.queue_ctrl.get(queue_name,
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tenant=tenant_id)
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except exceptions.DoesNotExist:
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raise falcon.HTTPNotFound
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except Exception as ex:
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LOG.error(ex)
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title = _('Service temporarily unavailable')
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msg = _('Please try again in a few seconds.')
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raise falcon.HTTPServiceUnavailable(title, msg, 30)
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try:
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resp.content_location = req.relative_uri
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resp.body = helpers.to_json(doc)
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except TypeError as ex:
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LOG.error(ex)
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#TODO(kgriffs): Improve these messages
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title = _('Invalid queue metatada')
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msg = _('The queue metadata could not be read.')
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raise falcon.HTTPInternalServerError(title, msg)
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def on_delete(self, req, resp, tenant_id, queue_name):
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self.queue_ctrl.delete(queue_name,
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tenant=tenant_id)
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resp.status = falcon.HTTP_204
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class CollectionResource(object):
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__slots__ = ('queue_ctrl')
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def __init__(self, queue_controller):
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self.queue_ctrl = queue_controller
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def on_get(self, req, resp, tenant_id):
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resp_dict = {}
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queues = self.queue_ctrl.list(tenant_id)
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resp_dict['queues'] = list(queues)
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resp.content_location = req.relative_uri
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resp.body = helpers.to_json(resp_dict)
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resp.status = falcon.HTTP_200
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def _filtered(obj):
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#TODO(zyuan): remove this check once we have a reserved field
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if type(obj) is not dict:
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raise helpers.MalformedJSON
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return obj
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