460ecce2ec
While we're properly use a default pool when manipulating a specific queue, we don't use it when actually listing queues. This fixes it by using the same mechanism. Change-Id: Ie2329389bf92793af0c8d7a676fcada757fd26d7 Closes-Bug: #1533668
134 lines
4.1 KiB
Python
134 lines
4.1 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 falcon
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from oslo_log import log as logging
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import six
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from zaqar.common import decorators
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from zaqar.i18n import _
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from zaqar.transport import utils
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from zaqar.transport import validation
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from zaqar.transport.wsgi import errors as wsgi_errors
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LOG = logging.getLogger(__name__)
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class ItemResource(object):
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__slots__ = ('_queue_controller', '_message_controller')
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def __init__(self, queue_controller, message_controller):
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self._queue_controller = queue_controller
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self._message_controller = message_controller
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@decorators.TransportLog("Queue item")
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def on_put(self, req, resp, project_id, queue_name):
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try:
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created = self._queue_controller.create(
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queue_name, project=project_id)
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except Exception as ex:
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LOG.exception(ex)
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description = _(u'Queue could not be created.')
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raise wsgi_errors.HTTPServiceUnavailable(description)
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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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@decorators.TransportLog("Queue item")
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def on_head(self, req, resp, project_id, queue_name):
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if self._queue_controller.exists(queue_name, project=project_id):
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resp.status = falcon.HTTP_204
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else:
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resp.status = falcon.HTTP_404
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resp.content_location = req.path
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on_get = on_head
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@decorators.TransportLog("Queue item")
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def on_delete(self, req, resp, project_id, queue_name):
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try:
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self._queue_controller.delete(queue_name, project=project_id)
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except Exception as ex:
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LOG.exception(ex)
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description = _(u'Queue could not be deleted.')
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raise wsgi_errors.HTTPServiceUnavailable(description)
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resp.status = falcon.HTTP_204
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class CollectionResource(object):
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__slots__ = ('_queue_controller', '_validate')
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def __init__(self, validate, queue_controller):
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self._queue_controller = queue_controller
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self._validate = validate
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def on_get(self, req, resp, project_id):
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LOG.debug(u'Queue collection GET')
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kwargs = {}
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# NOTE(kgriffs): This syntax ensures that
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# we don't clobber default values with None.
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req.get_param('marker', store=kwargs)
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req.get_param_as_int('limit', store=kwargs)
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req.get_param_as_bool('detailed', store=kwargs)
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try:
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self._validate.queue_listing(**kwargs)
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results = self._queue_controller.list(project=project_id, **kwargs)
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# Buffer list of queues
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queues = list(next(results))
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except validation.ValidationFailed as ex:
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LOG.debug(ex)
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raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
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except Exception as ex:
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LOG.exception(ex)
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description = _(u'Queues could not be listed.')
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raise wsgi_errors.HTTPServiceUnavailable(description)
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# Check for an empty list
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if len(queues) == 0:
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resp.status = falcon.HTTP_204
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return
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# Got some. Prepare the response.
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kwargs['marker'] = next(results)
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for each_queue in queues:
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each_queue['href'] = req.path + '/' + each_queue['name']
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response_body = {
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'queues': queues,
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'links': [
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{
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'rel': 'next',
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'href': req.path + falcon.to_query_str(kwargs)
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}
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]
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}
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resp.content_location = req.relative_uri
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resp.body = utils.to_json(response_body)
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# status defaults to 200
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