Beispiel #1
0
    def on_patch(self, req, resp, project_id, queue_name, claim_id):
        LOG.debug(
            u'Claim Item PATCH - 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
            })

        # Read claim metadata (e.g., TTL) and raise appropriate
        # HTTP errors as needed.
        document = wsgi_utils.deserialize(req.stream, req.content_length)
        metadata = wsgi_utils.sanitize(document, CLAIM_PATCH_SPEC)

        try:
            self._validate.claim_updating(metadata)
            self._claim_controller.update(queue_name,
                                          claim_id=claim_id,
                                          metadata=metadata,
                                          project=project_id)

            resp.status = falcon.HTTP_204

        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except storage_errors.DoesNotExist as ex:
            LOG.debug(ex)
            raise falcon.HTTPNotFound()

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Claim could not be updated.')
            raise wsgi_errors.HTTPServiceUnavailable(description)
Beispiel #2
0
    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}

        # NOTE(kgriffs): Clients may or may not actually include the
        # Content-Length header when the body is empty; the following
        # check works for both 0 and None.
        if not req.content_length:
            # No values given, so use defaults
            metadata = self._default_meta
        else:
            # Read claim metadata (e.g., TTL) and raise appropriate
            # HTTP errors as needed.
            document = wsgi_utils.deserialize(req.stream, req.content_length)
            metadata = wsgi_utils.sanitize(document, self._claim_post_spec)

        # Claim some messages
        try:
            self._validate.claim_creation(metadata, limit=limit)

            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 validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Claim could not be created.')
            raise wsgi_errors.HTTPServiceUnavailable(description)

        # Serialize claimed messages, if any. This logic assumes
        # the storage driver returned well-formed messages.
        if len(resp_msgs) != 0:
            base_path = req.path.rpartition('/')[0]
            resp_msgs = [
                wsgi_utils.format_message_v1_1(msg, base_path, cid)
                for msg in resp_msgs
            ]

            resp.location = req.path + '/' + cid
            resp.body = utils.to_json({'messages': resp_msgs})
            resp.status = falcon.HTTP_201
        else:
            resp.status = falcon.HTTP_204
Beispiel #3
0
    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:
            # Place JSON size restriction before parsing
            self.validate.queue_metadata_length(req.content_length)
        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        # Deserialize queue metadata
        metadata = None
        if req.content_length:
            document = wsgi_utils.deserialize(req.stream, req.content_length)
            metadata = wsgi_utils.sanitize(document, spec=None)

        try:
            created = self.queue_controller.create(queue_name,
                                                   metadata=metadata,
                                                   project=project_id)

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Queue could not be created.')
            raise wsgi_errors.HTTPServiceUnavailable(description)

        resp.status = falcon.HTTP_201 if created else falcon.HTTP_204
        resp.location = req.path
Beispiel #4
0
    def on_patch(self, req, resp, project_id, queue_name, claim_id):
        LOG.debug(u'Claim Item PATCH - 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})

        # Read claim metadata (e.g., TTL) and raise appropriate
        # HTTP errors as needed.
        document = wsgi_utils.deserialize(req.stream, req.content_length)
        metadata = wsgi_utils.sanitize(document, CLAIM_PATCH_SPEC)

        try:
            self._validate.claim_updating(metadata)
            self.claim_controller.update(queue_name,
                                         claim_id=claim_id,
                                         metadata=metadata,
                                         project=project_id)

            resp.status = falcon.HTTP_204

        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except storage_errors.DoesNotExist as ex:
            LOG.debug(ex)
            raise falcon.HTTPNotFound()

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Claim could not be updated.')
            raise wsgi_errors.HTTPServiceUnavailable(description)
Beispiel #5
0
    def on_put(self, req, resp, project_id, queue_name):
        LOG.debug(u'Queue metadata PUT - queue: %(queue)s, '
                  u'project: %(project)s',
                  {'queue': queue_name, 'project': project_id})

        try:
            # Place JSON size restriction before parsing
            self._validate.queue_metadata_length(req.content_length)
        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        # Deserialize queue metadata
        document = wsgi_utils.deserialize(req.stream, req.content_length)
        metadata = wsgi_utils.sanitize(document, spec=None)

        try:
            self.queue_ctrl.set_metadata(queue_name,
                                         metadata=metadata,
                                         project=project_id)

        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except storage_errors.QueueDoesNotExist:
            raise falcon.HTTPNotFound()

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Metadata could not be updated.')
            raise wsgi_errors.HTTPServiceUnavailable(description)

        resp.status = falcon.HTTP_204
        resp.location = req.path
Beispiel #6
0
    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:
            # Place JSON size restriction before parsing
            self.validate.queue_metadata_length(req.content_length)
        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        # Deserialize queue metadata
        metadata = None
        if req.content_length:
            document = wsgi_utils.deserialize(req.stream, req.content_length)
            metadata = wsgi_utils.sanitize(document, spec=None)

        try:
            created = self.queue_controller.create(queue_name,
                                                   metadata=metadata,
                                                   project=project_id)

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Queue could not be created.')
            raise wsgi_errors.HTTPServiceUnavailable(description)

        resp.status = falcon.HTTP_201 if created else falcon.HTTP_204
        resp.location = req.path
Beispiel #7
0
    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}

        # NOTE(kgriffs): Clients may or may not actually include the
        # Content-Length header when the body is empty; the following
        # check works for both 0 and None.
        if not req.content_length:
            # No values given, so use defaults
            metadata = self._default_meta
        else:
            # Read claim metadata (e.g., TTL) and raise appropriate
            # HTTP errors as needed.
            document = wsgi_utils.deserialize(req.stream, req.content_length)
            metadata = wsgi_utils.sanitize(document, self._claim_post_spec)

        # Claim some messages
        try:
            self._validate.claim_creation(metadata, limit=limit)

            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 validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Claim could not be created.')
            raise wsgi_errors.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
Beispiel #8
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    def test_no_spec_array(self):
        things = [{u'body': {'event': 'start_backup'}, 'ttl': 300}]
        document = six.text_type(json.dumps(things, ensure_ascii=False))
        doc_stream = io.StringIO(document)

        deserialized = utils.deserialize(doc_stream, len(document))
        filtered = utils.sanitize(deserialized, doctype=utils.JSONArray,
                                  spec=None)
        self.assertEqual(filtered, things)
Beispiel #9
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    def test_no_spec_array(self):
        things = [{u'body': {'event': 'start_backup'}, 'ttl': 300}]
        document = six.text_type(json.dumps(things, ensure_ascii=False))
        doc_stream = io.StringIO(document)

        deserialized = utils.deserialize(doc_stream, len(document))
        filtered = utils.sanitize(deserialized,
                                  doctype=utils.JSONArray,
                                  spec=None)
        self.assertEqual(filtered, things)
Beispiel #10
0
    def test_no_spec(self):
        obj = {u'body': {'event': 'start_backup'}, 'ttl': 300}
        document = six.text_type(json.dumps(obj, ensure_ascii=False))
        doc_stream = io.StringIO(document)

        deserialized = utils.deserialize(doc_stream, len(document))
        filtered = utils.sanitize(deserialized, spec=None)
        self.assertEqual(filtered, obj)

        # NOTE(kgriffs): Ensure default value for *spec* is None
        filtered2 = utils.sanitize(deserialized)
        self.assertEqual(filtered2, filtered)
Beispiel #11
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    def test_no_spec(self):
        obj = {u'body': {'event': 'start_backup'}, 'ttl': 300}
        document = six.text_type(json.dumps(obj, ensure_ascii=False))
        doc_stream = io.StringIO(document)

        deserialized = utils.deserialize(doc_stream, len(document))
        filtered = utils.sanitize(deserialized, spec=None)
        self.assertEqual(filtered, obj)

        # NOTE(kgriffs): Ensure default value for *spec* is None
        filtered2 = utils.sanitize(deserialized)
        self.assertEqual(filtered2, filtered)
Beispiel #12
0
    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}

        # Read claim metadata (e.g., TTL) and raise appropriate
        # HTTP errors as needed.
        document = wsgi_utils.deserialize(req.stream, req.content_length)
        metadata = wsgi_utils.sanitize(document, CLAIM_POST_SPEC)

        # Claim some messages
        try:
            self._validate.claim_creation(metadata, limit=limit)
            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 validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Claim could not be created.')
            raise wsgi_errors.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
Beispiel #13
0
    def test_deserialize_and_sanitize_json_obj(self):
        obj = {u'body': {'event': 'start_backup'}, 'id': 'DEADBEEF'}

        document = six.text_type(json.dumps(obj, ensure_ascii=False))
        stream = io.StringIO(document)
        spec = [('body', dict, None), ('id', six.string_types, None)]

        # Positive test
        deserialized_object = utils.deserialize(stream, len(document))
        filtered_object = utils.sanitize(deserialized_object, spec)
        self.assertEqual(filtered_object, obj)

        # Negative test
        self.assertRaises(falcon.HTTPBadRequest,
                          utils.sanitize, deserialized_object, spec,
                          doctype=utils.JSONArray)
Beispiel #14
0
    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}

        # Read claim metadata (e.g., TTL) and raise appropriate
        # HTTP errors as needed.
        document = wsgi_utils.deserialize(req.stream, req.content_length)
        metadata = wsgi_utils.sanitize(document, CLAIM_POST_SPEC)

        # Claim some messages
        try:
            self._validate.claim_creation(metadata, limit=limit)
            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 validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Claim could not be created.')
            raise wsgi_errors.HTTPServiceUnavailable(description)

        # Serialize claimed messages, if any. This logic assumes
        # the storage driver returned well-formed messages.
        if len(resp_msgs) != 0:
            resp_msgs = [wsgi_utils.format_message_v1(
                msg, req.path.rpartition('/')[0], cid) for msg in resp_msgs]

            resp.location = req.path + '/' + cid
            resp.body = utils.to_json(resp_msgs)
            resp.status = falcon.HTTP_201
        else:
            resp.status = falcon.HTTP_204
Beispiel #15
0
    def test_deserialize_and_sanitize_json_array(self):
        array = [{u'body': {u'x': 1}}, {u'body': {u'x': 2}}]

        document = six.text_type(json.dumps(array, ensure_ascii=False))
        stream = io.StringIO(document)
        spec = [('body', dict, None)]

        # Positive test
        deserialized_object = utils.deserialize(stream, len(document))
        filtered_object = utils.sanitize(deserialized_object, spec,
                                         doctype=utils.JSONArray)
        self.assertEqual(filtered_object, array)

        # Negative test
        self.assertRaises(falcon.HTTPBadRequest,
                          utils.sanitize, deserialized_object, spec,
                          doctype=utils.JSONObject)
Beispiel #16
0
    def test_deserialize_and_sanitize_json_obj(self):
        obj = {u'body': {'event': 'start_backup'}, 'id': 'DEADBEEF'}

        document = six.text_type(json.dumps(obj, ensure_ascii=False))
        stream = io.StringIO(document)
        spec = [('body', dict, None), ('id', six.string_types, None)]

        # Positive test
        deserialized_object = utils.deserialize(stream, len(document))
        filtered_object = utils.sanitize(deserialized_object, spec)
        self.assertEqual(filtered_object, obj)

        # Negative test
        self.assertRaises(falcon.HTTPBadRequest,
                          utils.sanitize,
                          deserialized_object,
                          spec,
                          doctype=utils.JSONArray)
Beispiel #17
0
    def test_deserialize_and_sanitize_json_array(self):
        array = [{u'body': {u'x': 1}}, {u'body': {u'x': 2}}]

        document = six.text_type(json.dumps(array, ensure_ascii=False))
        stream = io.StringIO(document)
        spec = [('body', dict, None)]

        # Positive test
        deserialized_object = utils.deserialize(stream, len(document))
        filtered_object = utils.sanitize(deserialized_object,
                                         spec,
                                         doctype=utils.JSONArray)
        self.assertEqual(filtered_object, array)

        # Negative test
        self.assertRaises(falcon.HTTPBadRequest,
                          utils.sanitize,
                          deserialized_object,
                          spec,
                          doctype=utils.JSONObject)
Beispiel #18
0
    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
            })

        client_uuid = wsgi_utils.get_client_uuid(req)

        try:
            # Place JSON size restriction before parsing
            self._validate.message_length(req.content_length)
        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        # Deserialize and validate the request body
        document = wsgi_utils.deserialize(req.stream, req.content_length)
        messages = wsgi_utils.sanitize(document,
                                       MESSAGE_POST_SPEC,
                                       doctype=wsgi_utils.JSONArray)

        try:
            self._validate.message_posting(messages)

            message_ids = self.message_controller.post(queue_name,
                                                       messages=messages,
                                                       project=project_id,
                                                       client_uuid=client_uuid)

        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except storage_errors.DoesNotExist as ex:
            LOG.debug(ex)
            raise falcon.HTTPNotFound()

        except storage_errors.MessageConflict as ex:
            LOG.exception(ex)
            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_errors.HTTPServiceUnavailable(description)

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Messages could not be enqueued.')
            raise wsgi_errors.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]

        # NOTE(kgriffs): As of the Icehouse release, drivers are
        # no longer allowed to enqueue a subset of the messages
        # submitted by the client; it's all or nothing. Therefore,
        # 'partial' is now always False in the v1.0 API, and the
        # field has been removed in v1.1.
        body = {'resources': hrefs, 'partial': False}

        resp.body = utils.to_json(body)
        resp.status = falcon.HTTP_201
Beispiel #19
0
    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})

        client_uuid = wsgi_helpers.get_client_uuid(req)

        try:
            # Place JSON size restriction before parsing
            self._validate.message_length(req.content_length)
        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        # Deserialize and validate the incoming messages
        document = wsgi_utils.deserialize(req.stream, req.content_length)

        if 'messages' not in document:
            description = _(u'No messages were found in the request body.')
            raise wsgi_errors.HTTPBadRequestAPI(description)

        messages = wsgi_utils.sanitize(document['messages'],
                                       self._message_post_spec,
                                       doctype=wsgi_utils.JSONArray)

        try:
            self._validate.message_posting(messages)

            if not self._queue_controller.exists(queue_name, project_id):
                self._queue_controller.create(queue_name, project=project_id)

            message_ids = self._message_controller.post(
                queue_name,
                messages=messages,
                project=project_id,
                client_uuid=client_uuid)

        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except storage_errors.DoesNotExist as ex:
            LOG.debug(ex)
            raise falcon.HTTPNotFound()

        except storage_errors.MessageConflict as ex:
            LOG.exception(ex)
            description = _(u'No messages could be enqueued.')
            raise wsgi_errors.HTTPServiceUnavailable(description)

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Messages could not be enqueued.')
            raise wsgi_errors.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}
        resp.body = utils.to_json(body)
        resp.status = falcon.HTTP_201
Beispiel #20
0
    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
            })

        client_uuid = wsgi_helpers.get_client_uuid(req)

        try:
            # Place JSON size restriction before parsing
            self._validate.message_length(req.content_length)
        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        # Deserialize and validate the incoming messages
        document = wsgi_utils.deserialize(req.stream, req.content_length)

        if 'messages' not in document:
            description = _(u'No messages were found in the request body.')
            raise wsgi_errors.HTTPBadRequestAPI(description)

        messages = wsgi_utils.sanitize(document['messages'],
                                       self._message_post_spec,
                                       doctype=wsgi_utils.JSONArray)

        try:
            self._validate.message_posting(messages)

            if not self._queue_controller.exists(queue_name, project_id):
                self._queue_controller.create(queue_name, project=project_id)

            message_ids = self._message_controller.post(
                queue_name,
                messages=messages,
                project=project_id,
                client_uuid=client_uuid)

        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except storage_errors.DoesNotExist as ex:
            LOG.debug(ex)
            raise falcon.HTTPNotFound()

        except storage_errors.MessageConflict as ex:
            LOG.exception(ex)
            description = _(u'No messages could be enqueued.')
            raise wsgi_errors.HTTPServiceUnavailable(description)

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Messages could not be enqueued.')
            raise wsgi_errors.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}
        resp.body = utils.to_json(body)
        resp.status = falcon.HTTP_201
Beispiel #21
0
    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})

        client_uuid = wsgi_helpers.get_client_uuid(req)

        try:
            # Place JSON size restriction before parsing
            self._validate.message_length(req.content_length)
        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        # Deserialize and validate the request body
        document = wsgi_utils.deserialize(req.stream, req.content_length)
        messages = wsgi_utils.sanitize(document, MESSAGE_POST_SPEC,
                                       doctype=wsgi_utils.JSONArray)

        try:
            self._validate.message_posting(messages)

            message_ids = self._message_controller.post(
                queue_name,
                messages=messages,
                project=project_id,
                client_uuid=client_uuid)

        except validation.ValidationFailed as ex:
            LOG.debug(ex)
            raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))

        except storage_errors.DoesNotExist as ex:
            LOG.debug(ex)
            raise falcon.HTTPNotFound()

        except storage_errors.MessageConflict as ex:
            LOG.exception(ex)
            description = _(u'No messages could be enqueued.')
            raise wsgi_errors.HTTPServiceUnavailable(description)

        except Exception as ex:
            LOG.exception(ex)
            description = _(u'Messages could not be enqueued.')
            raise wsgi_errors.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]

        # NOTE(kgriffs): As of the Icehouse release, drivers are
        # no longer allowed to enqueue a subset of the messages
        # submitted by the client; it's all or nothing. Therefore,
        # 'partial' is now always False in the v1.0 API, and the
        # field has been removed in v1.1.
        body = {'resources': hrefs, 'partial': False}

        resp.body = utils.to_json(body)
        resp.status = falcon.HTTP_201