def on_get(self, req, resp, project_id, queue_name, message_id):
LOG.debug(
_(u'Messages item GET - message: %(message)s, '
u'queue: %(queue)s, project: %(project)s') % {
'message': message_id,
'queue': queue_name,
'project': project_id
})
try:
message = self.message_controller.get(queue_name,
message_id,
project=project_id)
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Message could not be retrieved.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Prepare response
message['href'] = req.path
del message['id']
resp.content_location = req.relative_uri
resp.body = utils.to_json(message)
def on_get(self, req, resp, project_id, queue_name, claim_id):
LOG.debug(_(u'Claim item GET - claim: %(claim_id)s, '
u'queue: %(queue_name)s, project: %(project_id)s') %
{'queue_name': queue_name,
'project_id': project_id,
'claim_id': claim_id})
try:
meta, msgs = self.claim_controller.get(
queue_name,
claim_id=claim_id,
project=project_id)
# Buffer claimed messages
# TODO(kgriffs): Optimize along with serialization (see below)
meta['messages'] = list(msgs)
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Claim could not be queried.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Serialize claimed messages
# TODO(kgriffs): Optimize
for msg in meta['messages']:
msg['href'] = _msg_uri_from_claim(
req.path.rsplit('/', 2)[0], msg['id'], meta['id'])
del msg['id']
meta['href'] = req.path
del meta['id']
resp.content_location = req.relative_uri
resp.body = utils.to_json(meta)
def on_get(self, req, resp, project_id, queue_name, claim_id):
LOG.debug(_(u'Claim item GET - claim: %(claim_id)s, '
u'queue: %(queue_name)s, project: %(project_id)s') %
{'queue_name': queue_name,
'project_id': project_id,
'claim_id': claim_id})
try:
meta, msgs = self.claim_controller.get(
queue_name,
claim_id=claim_id,
project=project_id)
# Buffer claimed messages
# TODO(kgriffs): Optimize along with serialization (see below)
meta['messages'] = list(msgs)
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Claim could not be queried.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Serialize claimed messages
# TODO(kgriffs): Optimize
for msg in meta['messages']:
msg['href'] = _msg_uri_from_claim(
req.path.rsplit('/', 2)[0], msg['id'], meta['id'])
del msg['id']
meta['href'] = req.path
del meta['id']
resp.content_location = req.relative_uri
resp.body = utils.to_json(meta)
def on_get(self, req, resp, project_id, queue_name, message_id):
LOG.debug(_(u'Messages item GET - message: %(message)s, '
u'queue: %(queue)s, project: %(project)s') %
{'message': message_id,
'queue': queue_name,
'project': project_id})
try:
message = self.message_controller.get(
queue_name,
message_id,
project=project_id)
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Message could not be retrieved.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Prepare response
message['href'] = req.path
del message['id']
resp.content_location = req.relative_uri
resp.body = utils.to_json(message)
def on_get(self, req, resp, project_id, queue_name):
try:
resp_dict = self.queue_ctrl.stats(queue_name, project=project_id)
message_stats = resp_dict['messages']
if message_stats['total'] != 0:
base_path = req.path[:req.path.rindex('/')] + '/messages/'
newest = message_stats['newest']
newest['href'] = base_path + newest['id']
del newest['id']
oldest = message_stats['oldest']
oldest['href'] = base_path + oldest['id']
del oldest['id']
resp.content_location = req.path
resp.body = utils.to_json(resp_dict)
# status defaults to 200
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Queue stats could not be read.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
def on_get(self, req, resp, project_id, queue_name):
try:
resp_dict = self.queue_ctrl.stats(queue_name,
project=project_id)
message_stats = resp_dict['messages']
if message_stats['total'] != 0:
base_path = req.path[:req.path.rindex('/')] + '/messages/'
newest = message_stats['newest']
newest['href'] = base_path + newest['id']
del newest['id']
oldest = message_stats['oldest']
oldest['href'] = base_path + oldest['id']
del oldest['id']
resp.content_location = req.path
resp.body = utils.to_json(resp_dict)
# status defaults to 200
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Queue stats could not be read.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
def on_post(self, req, resp, project_id, queue_name):
LOG.debug(_(u'Claims collection POST - queue: %(queue)s, '
u'project: %(project)s') %
{'queue': queue_name, 'project': project_id})
# Check for an explicit limit on the # of messages to claim
limit = req.get_param_as_int('limit')
claim_options = {} if limit is None else {'limit': limit}
# Place JSON size restriction before parsing
if req.content_length > CFG.metadata_max_length:
description = _(u'Claim metadata size is too large.')
raise wsgi_exceptions.HTTPBadRequestBody(description)
# Read claim metadata (e.g., TTL) and raise appropriate
# HTTP errors as needed.
metadata, = wsgi_utils.filter_stream(req.stream, req.content_length,
CLAIM_POST_SPEC)
# Claim some messages
try:
validate.claim_creation(metadata, **claim_options)
cid, msgs = self.claim_controller.create(
queue_name,
metadata=metadata,
project=project_id,
**claim_options)
# Buffer claimed messages
# TODO(kgriffs): optimize, along with serialization (below)
resp_msgs = list(msgs)
except input_exceptions.ValidationFailed as ex:
raise wsgi_exceptions.HTTPBadRequestBody(str(ex))
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Claim could not be created.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Serialize claimed messages, if any. This logic assumes
# the storage driver returned well-formed messages.
if len(resp_msgs) != 0:
for msg in resp_msgs:
msg['href'] = _msg_uri_from_claim(
req.path.rpartition('/')[0], msg['id'], cid)
del msg['id']
resp.location = req.path + '/' + cid
resp.body = utils.to_json(resp_msgs)
resp.status = falcon.HTTP_201
else:
resp.status = falcon.HTTP_204
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)
def on_get(self, req, resp, project_id, queue_name):
LOG.debug(_(u'Queue metadata GET - queue: %(queue)s, '
u'project: %(project)s') %
{'queue': queue_name, 'project': project_id})
try:
resp_dict = self.queue_ctrl.get_metadata(queue_name,
project=project_id)
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u'Queue metadata could not be retrieved.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
resp.content_location = req.path
resp.body = utils.to_json(resp_dict)
def on_get(self, req, resp, project_id, queue_name):
LOG.debug(_(u'Messages collection GET - queue: %(queue)s, '
u'project: %(project)s') %
{'queue': queue_name, 'project': project_id})
resp.content_location = req.relative_uri
ids = req.get_param_as_list('ids')
if ids is None:
response = self._get(req, project_id, queue_name)
else:
base_path = req.path + '/messages'
response = self._get_by_id(base_path, project_id, queue_name, ids)
if response is None:
resp.status = falcon.HTTP_204
return
resp.body = utils.to_json(response)
def on_get(self, req, resp, project_id, queue_name):
LOG.debug(
_(u"Queue metadata GET - queue: %(queue)s, " u"project: %(project)s")
% {"queue": queue_name, "project": project_id}
)
try:
resp_dict = self.queue_ctrl.get_metadata(queue_name, project=project_id)
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except Exception as ex:
LOG.exception(ex)
description = _(u"Queue metadata could not be retrieved.")
raise wsgi_exceptions.HTTPServiceUnavailable(description)
resp.content_location = req.path
resp.body = utils.to_json(resp_dict)
def on_get(self, req, resp, project_id):
# TODO(kgriffs): Optimize
kwargs = utils.purge({
'marker': req.get_param('marker'),
'limit': req.get_param_as_int('limit'),
'detailed': req.get_param_as_bool('detailed'),
})
try:
results = self.queue_controller.list(project=project_id, **kwargs)
except Exception as ex:
LOG.exception(ex)
description = _('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)
resp.status = falcon.HTTP_200
def on_get(self, req, resp, project_id, queue_name):
LOG.debug(
_(u'Messages collection GET - queue: %(queue)s, '
u'project: %(project)s') % {
'queue': queue_name,
'project': project_id
})
resp.content_location = req.relative_uri
ids = req.get_param_as_list('ids')
if ids is None:
response = self._get(req, project_id, queue_name)
else:
base_path = req.path + '/messages'
response = self._get_by_id(base_path, project_id, queue_name, ids)
if response is None:
resp.status = falcon.HTTP_204
return
resp.body = utils.to_json(response)
def on_post(self, req, resp, project_id, queue_name):
LOG.debug(
_(u'Messages collection POST - queue: %(queue)s, '
u'project: %(project)s') % {
'queue': queue_name,
'project': project_id
})
uuid = req.get_header('Client-ID', required=True)
# Place JSON size restriction before parsing
if req.content_length > CFG.content_max_length:
description = _(u'Message collection size is too large.')
raise wsgi_exceptions.HTTPBadRequestBody(description)
# Pull out just the fields we care about
messages = wsgi_utils.filter_stream(req.stream,
req.content_length,
MESSAGE_POST_SPEC,
doctype=wsgi_utils.JSONArray)
# Enqueue the messages
partial = False
try:
# No need to check each message's size if it
# can not exceed the request size limit
validate.message_posting(
messages,
check_size=(validate.CFG.message_size_uplimit <
CFG.content_max_length))
message_ids = self.message_controller.post(queue_name,
messages=messages,
project=project_id,
client_uuid=uuid)
except input_exceptions.ValidationFailed as ex:
raise wsgi_exceptions.HTTPBadRequestBody(str(ex))
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except storage_exceptions.MessageConflict as ex:
LOG.exception(ex)
partial = True
message_ids = ex.succeeded_ids
if not message_ids:
# TODO(kgriffs): Include error code that is different
# from the code used in the generic case, below.
description = _(u'No messages could be enqueued.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be enqueued.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Prepare the response
ids_value = ','.join(message_ids)
resp.location = req.path + '?ids=' + ids_value
hrefs = [req.path + '/' + id for id in message_ids]
body = {'resources': hrefs, 'partial': partial}
resp.body = utils.to_json(body)
resp.status = falcon.HTTP_201
def on_post(self, req, resp, project_id, queue_name):
LOG.debug(_(u'Messages collection POST - queue: %(queue)s, '
u'project: %(project)s') %
{'queue': queue_name, 'project': project_id})
uuid = req.get_header('Client-ID', required=True)
# Place JSON size restriction before parsing
if req.content_length > CFG.content_max_length:
description = _(u'Message collection size is too large.')
raise wsgi_exceptions.HTTPBadRequestBody(description)
# Pull out just the fields we care about
messages = wsgi_utils.filter_stream(
req.stream,
req.content_length,
MESSAGE_POST_SPEC,
doctype=wsgi_utils.JSONArray)
# Enqueue the messages
partial = False
try:
# No need to check each message's size if it
# can not exceed the request size limit
validate.message_posting(
messages, check_size=(
validate.CFG.message_size_uplimit <
CFG.content_max_length))
message_ids = self.message_controller.post(
queue_name,
messages=messages,
project=project_id,
client_uuid=uuid)
except input_exceptions.ValidationFailed as ex:
raise wsgi_exceptions.HTTPBadRequestBody(str(ex))
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except storage_exceptions.MessageConflict as ex:
LOG.exception(ex)
partial = True
message_ids = ex.succeeded_ids
if not message_ids:
# TODO(kgriffs): Include error code that is different
# from the code used in the generic case, below.
description = _(u'No messages could be enqueued.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be enqueued.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Prepare the response
ids_value = ','.join(message_ids)
resp.location = req.path + '?ids=' + ids_value
hrefs = [req.path + '/' + id for id in message_ids]
body = {'resources': hrefs, 'partial': partial}
resp.body = utils.to_json(body)
resp.status = falcon.HTTP_201
def on_post(self, req, resp, project_id, queue_name):
LOG.debug(_("Messages collection POST - queue: %(queue)s, "
"project: %(project)s") %
{"queue": queue_name, "project": project_id})
uuid = req.get_header('Client-ID', required=True)
# Place JSON size restriction before parsing
if req.content_length > CFG.content_max_length:
description = _('Message collection size is too large.')
raise wsgi_exceptions.HTTPBadRequestBody(description)
# Pull out just the fields we care about
messages = wsgi_utils.filter_stream(
req.stream,
req.content_length,
MESSAGE_POST_SPEC,
doctype=wsgi_utils.JSONArray)
# Verify that at least one message was provided.
# NOTE(kgriffs): This check assumes messages is a
# collection (not a generator).
if not messages:
description = _('No messages were provided.')
raise wsgi_exceptions.HTTPBadRequestBody(description)
# Enqueue the messages
partial = False
try:
message_ids = self.message_controller.post(
queue_name,
messages=messages,
project=project_id,
client_uuid=uuid)
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except storage_exceptions.MessageConflict as ex:
LOG.exception(ex)
partial = True
message_ids = ex.succeeded_ids
if not message_ids:
# TODO(kgriffs): Include error code that is different
# from the code used in the generic case, below.
description = _('No messages could be enqueued.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
except Exception as ex:
LOG.exception(ex)
description = _('Messages could not be enqueued.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Prepare the response
resp.status = falcon.HTTP_201
ids_value = ','.join(message_ids)
resp.location = req.path + '?ids=' + ids_value
hrefs = [req.path + '/' + id for id in message_ids]
body = {'resources': hrefs, 'partial': partial}
resp.body = utils.to_json(body)
