X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_common%2Fmsgkafka.py;h=91775f2d5062e79a2923191e23c8e413aac62345;hb=refs%2Fchanges%2F80%2F8380%2F3;hp=63ee69c4db72c7a509ae7e305a42f6945385321c;hpb=05ede8f86c71ae21a331961b7795c0bd21ef09df;p=osm%2Fcommon.git diff --git a/osm_common/msgkafka.py b/osm_common/msgkafka.py index 63ee69c..91775f2 100644 --- a/osm_common/msgkafka.py +++ b/osm_common/msgkafka.py @@ -64,11 +64,15 @@ class MsgKafka(MsgBase): :param msg: message content, can be string or dictionary :return: None or raises MsgException on failing """ - try: - self.loop.run_until_complete(self.aiowrite(topic=topic, key=key, msg=msg)) - - except Exception as e: - raise MsgException("Error writing {} topic: {}".format(topic, str(e))) + retry = 2 # Try two times + while retry: + try: + self.loop.run_until_complete(self.aiowrite(topic=topic, key=key, msg=msg)) + break + except Exception as e: + retry -= 1 + if retry == 0: + raise MsgException("Error writing {} topic: {}".format(topic, str(e))) def read(self, topic): """ @@ -105,36 +109,43 @@ class MsgKafka(MsgBase): finally: await self.producer.stop() - async def aioread(self, topic, loop=None, callback=None, aiocallback=None, **kwargs): + async def aioread(self, topic, loop=None, callback=None, aiocallback=None, group_id=None, **kwargs): """ Asyncio read from one or several topics. :param topic: can be str: single topic; or str list: several topics :param loop: asyncio loop. To be DEPRECATED! in near future!!! loop must be provided inside config at connect :param callback: synchronous callback function that will handle the message in kafka bus :param aiocallback: async callback function that will handle the message in kafka bus + :param group_id: kafka group_id to use. Can be False (set group_id to None), None (use general group_id provided + at connect inside config), or a group_id string :param kwargs: optional keyword arguments for callback function :return: If no callback defined, it returns (topic, key, message) """ if not loop: loop = self.loop + if group_id is False: + group_id = None + elif group_id is None: + group_id = self.group_id try: if isinstance(topic, (list, tuple)): topic_list = topic else: topic_list = (topic,) - self.consumer = AIOKafkaConsumer(loop=loop, bootstrap_servers=self.broker, group_id=self.group_id) + self.consumer = AIOKafkaConsumer(loop=loop, bootstrap_servers=self.broker, group_id=group_id) await self.consumer.start() self.consumer.subscribe(topic_list) async for message in self.consumer: if callback: - callback(message.topic, yaml.load(message.key), yaml.load(message.value), **kwargs) + callback(message.topic, yaml.safe_load(message.key), yaml.safe_load(message.value), **kwargs) elif aiocallback: - await aiocallback(message.topic, yaml.load(message.key), yaml.load(message.value), **kwargs) + await aiocallback(message.topic, yaml.safe_load(message.key), yaml.safe_load(message.value), + **kwargs) else: - return message.topic, yaml.load(message.key), yaml.load(message.value) + return message.topic, yaml.safe_load(message.key), yaml.safe_load(message.value) except KafkaError as e: raise MsgException(str(e)) finally: