mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-05 05:52:05 +00:00
85 lines
2.5 KiB
Python
Executable File
85 lines
2.5 KiB
Python
Executable File
#! /usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# `pip install …`
|
|
import kafka # … kafka-python
|
|
|
|
import argparse
|
|
from concurrent.futures import ThreadPoolExecutor
|
|
import enum
|
|
import multiprocessing
|
|
import sys
|
|
import time
|
|
|
|
|
|
class Sync(enum.Enum):
|
|
NONE = 'none'
|
|
LEAD = 'leader'
|
|
ALL = 'all'
|
|
|
|
def __str__(self):
|
|
return self.value
|
|
|
|
def convert(self):
|
|
values = {
|
|
str(Sync.NONE): '0',
|
|
str(Sync.LEAD): '1',
|
|
str(Sync.ALL): 'all',
|
|
}
|
|
return values[self.value]
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(description='Produce a single message taken from input')
|
|
parser.add_argument('--server', type=str, metavar='HOST', default='localhost',
|
|
help='Kafka bootstrap-server address')
|
|
parser.add_argument('--port', type=int, metavar='PORT', default=9092,
|
|
help='Kafka bootstrap-server port')
|
|
parser.add_argument('--client', type=str, default='ch-kafka-python',
|
|
help='custom client id for this producer')
|
|
parser.add_argument('--topic', type=str, required=True,
|
|
help='name of Kafka topic to store in')
|
|
parser.add_argument('--retries', type=int, default=0,
|
|
help='number of retries to send on failure')
|
|
parser.add_argument('--multiply', type=int, default=1,
|
|
help='multiplies incoming string many times')
|
|
parser.add_argument('--repeat', type=int, default=1,
|
|
help='send same (multiplied) message many times')
|
|
|
|
mode_group = parser.add_mutually_exclusive_group()
|
|
mode_group.add_argument('--jobs', type=int, default=multiprocessing.cpu_count(),
|
|
help='number of concurrent jobs')
|
|
mode_group.add_argument('--delay', type=int, metavar='SECONDS', default=0,
|
|
help='delay before sending next message')
|
|
|
|
args = parser.parse_args()
|
|
config = {
|
|
'bootstrap_servers': f'{args.server}:{args.port}',
|
|
'client_id': args.client,
|
|
'retries': args.retries,
|
|
}
|
|
client = kafka.KafkaProducer(**config)
|
|
|
|
message = sys.stdin.buffer.read() * args.multiply
|
|
|
|
def send(num):
|
|
if args.delay > 0:
|
|
time.sleep(args.delay)
|
|
client.send(topic=args.topic, value=message)
|
|
print(f'iteration {num}: sent a message multiplied {args.multiply} times')
|
|
|
|
if args.delay > 0:
|
|
args.jobs = 1
|
|
pool = ThreadPoolExecutor(max_workers=args.jobs)
|
|
for num in range(args.repeat):
|
|
pool.submit(send, num)
|
|
pool.shutdown()
|
|
|
|
client.flush()
|
|
client.close()
|
|
return 0
|
|
|
|
|
|
if __name__ == "__main__":
|
|
exit(main())
|