def _get_by_id(self, base_path, project_id, queue_name, ids):
"""Returns one or more messages from the queue by ID."""
try:
validate.message_listing(limit=len(ids))
messages = self.message_controller.bulk_get(queue_name,
message_ids=ids,
project=project_id)
except input_exceptions.ValidationFailed as ex:
raise wsgi_exceptions.HTTPBadRequestBody(str(ex))
except Exception as ex:
LOG.exception(ex)
description = _(u'Message could not be retrieved.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Prepare response
messages = list(messages)
if not messages:
return None
base_path += '/'
for each_message in messages:
each_message['href'] = base_path + each_message['id']
del each_message['id']
return messages
def _get_by_id(self, base_path, project_id, queue_name, ids):
"""Returns one or more messages from the queue by ID."""
try:
validate.message_listing(limit=len(ids))
messages = self.message_controller.bulk_get(
queue_name,
message_ids=ids,
project=project_id)
except input_exceptions.ValidationFailed as ex:
raise wsgi_exceptions.HTTPBadRequestBody(str(ex))
except Exception as ex:
LOG.exception(ex)
description = _(u'Message could not be retrieved.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Prepare response
messages = list(messages)
if not messages:
return None
base_path += '/'
for each_message in messages:
each_message['href'] = base_path + each_message['id']
del each_message['id']
return messages
def _get(self, req, project_id, queue_name):
uuid = req.get_header('Client-ID', required=True)
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('echo', store=kwargs)
req.get_param_as_bool('include_claimed', store=kwargs)
try:
validate.message_listing(**kwargs)
results = self.message_controller.list(
queue_name,
project=project_id,
client_uuid=uuid,
**kwargs)
# Buffer messages
cursor = next(results)
messages = list(cursor)
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'Messages could not be listed.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
if not messages:
return None
# Found some messages, so prepare the response
kwargs['marker'] = next(results)
for each_message in messages:
each_message['href'] = req.path + '/' + each_message['id']
del each_message['id']
return {
'messages': messages,
'links': [
{
'rel': 'next',
'href': req.path + falcon.to_query_str(kwargs)
}
]
}
def _get(self, req, project_id, queue_name):
uuid = req.get_header('Client-ID', required=True)
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('echo', store=kwargs)
req.get_param_as_bool('include_claimed', store=kwargs)
try:
validate.message_listing(**kwargs)
results = self.message_controller.list(queue_name,
project=project_id,
client_uuid=uuid,
**kwargs)
# Buffer messages
cursor = next(results)
messages = list(cursor)
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'Messages could not be listed.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
if not messages:
return None
# Found some messages, so prepare the response
kwargs['marker'] = next(results)
for each_message in messages:
each_message['href'] = req.path + '/' + each_message['id']
del each_message['id']
return {
'messages':
messages,
'links': [{
'rel': 'next',
'href': req.path + falcon.to_query_str(kwargs)
}]
}
def on_delete(self, req, resp, project_id, queue_name):
# NOTE(zyuan): Attempt to delete the whole message collection
# (without an "ids" parameter) is not allowed
ids = req.get_param_as_list('ids', required=True)
try:
validate.message_listing(limit=len(ids))
self.message_controller.bulk_delete(queue_name,
message_ids=ids,
project=project_id)
except input_exceptions.ValidationFailed as ex:
raise wsgi_exceptions.HTTPBadRequestBody(str(ex))
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be deleted.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
resp.status = falcon.HTTP_204
def on_delete(self, req, resp, project_id, queue_name):
# NOTE(zyuan): Attempt to delete the whole message collection
# (without an "ids" parameter) is not allowed
ids = req.get_param_as_list('ids', required=True)
try:
validate.message_listing(limit=len(ids))
self.message_controller.bulk_delete(
queue_name,
message_ids=ids,
project=project_id)
except input_exceptions.ValidationFailed as ex:
raise wsgi_exceptions.HTTPBadRequestBody(str(ex))
except Exception as ex:
LOG.exception(ex)
description = _(u'Messages could not be deleted.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
resp.status = falcon.HTTP_204
