| ################################################################################ |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| ################################################################################ |
| |
| import random |
| import time, calendar |
| from random import randint |
| from kafka import KafkaProducer |
| from kafka import errors |
| from json import dumps |
| from time import sleep |
| |
| |
| def write_data(producer): |
| data_cnt = 20000 |
| order_id = calendar.timegm(time.gmtime()) |
| max_price = 100000 |
| topic = "payment_msg" |
| |
| for i in range(data_cnt): |
| ts = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) |
| rd = random.random() |
| order_id += 1 |
| pay_amount = max_price * rd |
| pay_platform = 0 if random.random() < 0.9 else 1 |
| province_id = randint(0, 6) |
| cur_data = {"createTime": ts, "orderId": order_id, "payAmount": pay_amount, "payPlatform": pay_platform, "provinceId": province_id} |
| producer.send(topic, value=cur_data) |
| sleep(0.5) |
| |
| def create_producer(): |
| print("Connecting to Kafka brokers") |
| for i in range(0, 6): |
| try: |
| producer = KafkaProducer(bootstrap_servers=['kafka:9092'], |
| value_serializer=lambda x: dumps(x).encode('utf-8')) |
| print("Connected to Kafka") |
| return producer |
| except errors.NoBrokersAvailable: |
| print("Waiting for brokers to become available") |
| sleep(10) |
| |
| raise RuntimeError("Failed to connect to brokers within 60 seconds") |
| |
| if __name__ == '__main__': |
| producer = create_producer() |
| write_data(producer) |