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Consumer that notifies if calories count cross the threshold
import json
from time import sleep
from kafka import KafkaConsumer
if __name__ == '__main__':
parsed_topic_name = 'parsed_recipes'
# Notify if a recipe has more than 200 calories
calories_threshold = 200
consumer = KafkaConsumer(parsed_topic_name, auto_offset_reset='earliest',
bootstrap_servers=['localhost:9092'], api_version=(0, 10), consumer_timeout_ms=1000)
for msg in consumer:
record = json.loads(msg.value)
calories = int(record['calories'])
title = record['title']
if calories > calories_threshold:
print('Alert: {} calories count is {}'.format(title, calories))
if consumer is not None:
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