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, 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_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)