openreplay/kafka_sample.py

119 lines
3.6 KiB
Python

import os
from time import sleep
from kafka import KafkaConsumer, KafkaProducer
from datetime import datetime
from collections import defaultdict
from msgcodec.codec import MessageCodec
from msgcodec.messages import SessionEnd, Fetch, FetchEvent, PageEvent, SetCSSData, SetStyleData
import json
import getopt, sys
n = 0
def transform(data):
global n
n += 1
return {'title': f'message {n}', 'body': data}
def create_producer():
producer = KafkaProducer(#security_protocol="SSL",
bootstrap_servers=os.environ['KAFKA_SERVER_2'],
# os.environ['KAFKA_SERVER_1']],
#ssl_cafile="./ca.pem",
#ssl_certfile="./service.cert",
#ssl_keyfile="./service.key",
value_serializer=lambda v: json.dumps(v).encode('ascii')
)
return producer
def create_consumer():
consumer = KafkaConsumer(#security_protocol="SSL",
bootstrap_servers=os.environ['KAFKA_SERVER_2'],
# os.environ['KAFKA_SERVER_1']],
group_id=f"my_test52_connector",
auto_offset_reset="earliest",
enable_auto_commit=False
)
return consumer
def consumer_producer_end():
global n
batch_size = 4000
sessions_batch_size = 400
batch = []
sessions = defaultdict(lambda: None)
sessions_batch = []
codec = MessageCodec()
consumer = create_consumer()
producer = create_producer()
consumer.subscribe(topics=["raw", "raw_ios"])
print("Kafka consumer subscribed")
escape = 0
for msg in consumer:
messages = codec.decode_detailed(msg.value)
session_id = codec.decode_key(msg.key)
if messages is None:
print('-')
for message in messages:
send = True
if isinstance(message, Fetch):
data = message.response
elif isinstance(message, FetchEvent):
data = message.response
elif isinstance(message, PageEvent):
print(message.url)
elif isinstance(message, SetCSSData):
data = message.data
elif isinstance(message, SetStyleData):
data = message.data
else:
send = False
continue
if send:
producer.send('quickwit-kafka', value=transform(data))
print(f'added message {n}')
sleep(5)
def consumer_end():
consumer = create_consumer()
consumer.subscribe(topics=['quickwit-kafka'])
for msg in consumer:
print(msg)
def handle_args():
arguments = len(sys.argv)-1
argument_list = sys.argv[1:]
pos = 1
short_options = 'hm:'
long_options = ['help', 'method=']
try:
arguments, values = getopt.getopt(argument_list, short_options, long_options)
except getopt.error as err:
print(str(err))
sys.exit(2)
for arg, argv in arguments:
if arg in ('-h', '--help'):
print(""" Methods
--method, -m available methods: consumer, producer
--help, -h show help
""")
elif arg in ('-m', '--method'):
if argv == 'consumer':
consumer_end()
elif argv == 'producer':
consumer_producer_end()
else:
print('Method not found. Available methods: consumer, producer')
if __name__ == '__main__':
handle_args()