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License: ISC License
Automated mirror of https://gitlab.com/thelabnyc/django-logpipe
License: ISC License
Is the project still active and stable?
Hi,
I think I did everything according to the readme, but everytime I try to execute python manage.py run_kafka_consumer
, I get the django.core.exceptions.AppRegistryNotReady: Apps aren't loaded yet.
Error.
This is my apps.py file:
from django.apps import AppConfig
from logpipe import Consumer, register_consumer
from lptest.serializers import MissionSerializer
class LptestConfig(AppConfig):
default_auto_field = "django.db.models.BigAutoField"
name = "lptest"
@register_consumer
def build_person_consumer():
consumer = Consumer('missions')
consumer.register(MissionSerializer)
return consumer
this is my serializer:
class MissionSerializer(serializers.ModelSerializer):
MESSAGE_TYPE = 'mission'
VERSION = 1
KEY_FIELD = 'name'
class Meta:
model = Mission
fields = "__all__"
@classmethod
def lookup_instance(cls, name, **kwargs):
try:
return Mission.objects.get(name=name)
except Mission.DoesNotExist:
pass
I'm not really sure what I'm missing here. The app is listed in the INSTALLED_APPS as well.
Thank you in advance!
Im using the logpipe to listen to my separate kafka server which is running locally on my machine. But it is not able to find it. I tried "localhost:9092" in the bootstrap server settings but its still not working. Appreciate your assistance.
Hi, thanks for your amazing package!
We use it as a consumer for Kinesis.
We use the suggested configuration with multiconsumer:
multi = MultiConsumer(people_consumer, places_consumer)
multi.run()
At some point, our Kinesis service raises a ProvisionedThroughputExceededException
, multiple times a row, and it ends up with the _get_records
method of the kinesis based consumer returning None.
This further leads to a StopIteration but coupled with the indefinite consumer, it ends up in an infinite loop.
For the moment we overrode the _get_records
to generate a specific exception and crash for good, but there must be a cleaner solution to avoid entering this infinite loop.
Thank you very much for your advice!
After implementing logpipe on Django, everything worked perfectly, but it happened that a message arrived with all fields empty, this caused Kafka to freeze, which remained on that message and did not let the others pass. I have implemented error handling like this, but I would like to know how I could handle the error by sending messages containing errors to another queue.
if type == 'add':
if topic:
try:
topic = f"{topic}_posts"
producer = Producer(topic, serializers.PostCreateKafkaSerializer)
producer.send(data)
logger.info("Try to Send to Kafka")
except Exception as e:
resp = requests.post(url, headers = {"Content-Type": "application/json", "Authorization": f"Token {token}"}, data=json.dumps(data))
print(e)
try:
resp.json()
logger.warning("Fallback send with POST, Kafka Problems!")
except Exception:
traceback.print_exc()
raise NotExpectedException("Error Post")
else:
try:
resp = requests.post(url, headers = {"Content-Type": "application/json", "Authorization": f"Token {token}"}, data=json.dumps(data))
resp.json()
logger.warning("No topic send by Post")
except Exception as error:
traceback.print_exc()
logger.error("Error Post")
raise NotExpectedException("Error Post")
Basically I do a fallback with a post in case I am unable to send it via Kafka, connection problems or Kafka down, what I would like to avoid is Kafka blocking when I send a message that is not in order. Not if it is possible to manage it directly from logpipe.
We use localstack to test our integration w/ AWS infra locally, are you interested in adding a test_mode so that users can specify the local url for kinesis/kafka in test_mode?
Hello,
I have setup the django logpipe in my project and I have created different services for different module so when I try to produce the message in any service then how to trigger or calling the consumer to consume the message in different services.
Thanks
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