f9df4da564
1. Falcon response's status defaults to 200, no need to set it; 2. Message posting count checking is already covered by input validation. Change-Id: I905dba8bb55e6a4254b2625bb9b71c51496fd2a8
143 lines
4.6 KiB
Python
143 lines
4.6 KiB
Python
# Copyright (c) 2013 Rackspace, Inc.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
|
|
# implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import falcon
|
|
|
|
from marconi.common import exceptions as input_exceptions
|
|
import marconi.openstack.common.log as logging
|
|
from marconi.transport import utils
|
|
from marconi.transport import validation as validate
|
|
from marconi.transport.wsgi import exceptions as wsgi_exceptions
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class ItemResource(object):
|
|
|
|
__slots__ = ('queue_controller', 'message_controller')
|
|
|
|
def __init__(self, queue_controller, message_controller):
|
|
self.queue_controller = queue_controller
|
|
self.message_controller = message_controller
|
|
|
|
def on_put(self, req, resp, project_id, queue_name):
|
|
LOG.debug(_(u'Queue item PUT - queue: %(queue)s, '
|
|
u'project: %(project)s') %
|
|
{'queue': queue_name, 'project': project_id})
|
|
|
|
try:
|
|
validate.queue_creation(name=queue_name)
|
|
created = self.queue_controller.create(
|
|
queue_name,
|
|
project=project_id)
|
|
|
|
except input_exceptions.ValidationFailed as ex:
|
|
raise wsgi_exceptions.HTTPBadRequestBody(str(ex))
|
|
|
|
except Exception as ex:
|
|
LOG.exception(ex)
|
|
description = _(u'Queue could not be created.')
|
|
raise wsgi_exceptions.HTTPServiceUnavailable(description)
|
|
|
|
resp.status = falcon.HTTP_201 if created else falcon.HTTP_204
|
|
resp.location = req.path
|
|
|
|
def on_head(self, req, resp, project_id, queue_name):
|
|
LOG.debug(_(u'Queue item exists - queue: %(queue)s, '
|
|
'project: %(project)s') %
|
|
{'queue': queue_name, 'project': project_id})
|
|
|
|
if self.queue_controller.exists(queue_name,
|
|
project=project_id):
|
|
resp.status = falcon.HTTP_204
|
|
else:
|
|
resp.status = falcon.HTTP_404
|
|
|
|
resp.content_location = req.path
|
|
|
|
on_get = on_head
|
|
|
|
def on_delete(self, req, resp, project_id, queue_name):
|
|
LOG.debug(_(u'Queue item DELETE - queue: %(queue)s, '
|
|
u'project: %(project)s') %
|
|
{'queue': queue_name, 'project': project_id})
|
|
try:
|
|
self.queue_controller.delete(queue_name, project=project_id)
|
|
|
|
except Exception as ex:
|
|
LOG.exception(ex)
|
|
description = _(u'Queue could not be deleted.')
|
|
raise wsgi_exceptions.HTTPServiceUnavailable(description)
|
|
|
|
resp.status = falcon.HTTP_204
|
|
|
|
|
|
class CollectionResource(object):
|
|
|
|
__slots__ = ('queue_controller')
|
|
|
|
def __init__(self, queue_controller):
|
|
self.queue_controller = queue_controller
|
|
|
|
def on_get(self, req, resp, project_id):
|
|
|
|
kwargs = {}
|
|
|
|
# NOTE(kgriffs): This syntax ensures that
|
|
# we don't clobber default values with None.
|
|
req.get_param('marker', store=kwargs)
|
|
req.get_param_as_int('limit', store=kwargs)
|
|
req.get_param_as_bool('detailed', store=kwargs)
|
|
|
|
try:
|
|
validate.queue_listing(**kwargs)
|
|
results = self.queue_controller.list(project=project_id, **kwargs)
|
|
|
|
except input_exceptions.ValidationFailed as ex:
|
|
raise wsgi_exceptions.HTTPBadRequestBody(str(ex))
|
|
|
|
except Exception as ex:
|
|
LOG.exception(ex)
|
|
description = _(u'Queues could not be listed.')
|
|
raise wsgi_exceptions.HTTPServiceUnavailable(description)
|
|
|
|
# Buffer list of queues
|
|
queues = list(next(results))
|
|
|
|
# Check for an empty list
|
|
if len(queues) == 0:
|
|
resp.status = falcon.HTTP_204
|
|
return
|
|
|
|
# Got some. Prepare the response.
|
|
kwargs['marker'] = next(results)
|
|
for each_queue in queues:
|
|
each_queue['href'] = req.path + '/' + each_queue['name']
|
|
|
|
response_body = {
|
|
'queues': queues,
|
|
'links': [
|
|
{
|
|
'rel': 'next',
|
|
'href': req.path + falcon.to_query_str(kwargs)
|
|
}
|
|
]
|
|
}
|
|
|
|
resp.content_location = req.relative_uri
|
|
resp.body = utils.to_json(response_body)
|
|
# status defaults to 200
|