基于python实现监听Rabbitmq系统日志代码示例

介绍

rabbitmq默认有7个交换机,其中amq.rabbitmq.log为系统日志的交换机,这个日志为topic类型,会有三个等级的(routing_key)的日志发送到这个交换机上。

代码如下

#!/usr/bin/env python

# -*- coding: utf-8 -*-

import pika

# ########################### 订阅者 ###########################

credentials = pika.PlainCredentials("用户名","密码")

connection = pika.BlockingConnection(pika.ConnectionParameters(

'ip',

5672,

'/',

credentials=credentials))

channel = connection.channel()

# 声明队列

channel.queue_declare(queue='info_queue',durable=True)

channel.queue_declare(queue='error_queue',durable=True)

channel.queue_declare(queue='warning_queue',durable=True)

# 绑定

channel.queue_bind(exchange='amq.rabbitmq.log',queue="info_queue",routing_key="info")

channel.queue_bind(exchange='amq.rabbitmq.log',queue="error_queue",routing_key="error")

channel.queue_bind(exchange='amq.rabbitmq.log',queue="warning_queue",routing_key="warning")

print(' [*] Waiting for logs. To exit press CTRL+C')

def callback(ch, method, properties, body):

print(" [x] %r" % body)

print(" [x] Done")

ch.basic_ack(delivery_tag=method.delivery_tag)

channel.basic_consume("info_queue",callback,auto_ack=False)

channel.basic_consume("error_queue",callback,auto_ack=False)

channel.basic_consume("warning_queue",callback,auto_ack=False)

channel.start_consuming()

'''

然后发布者只需要给exchange发送消息,然后exchange绑定的多个队列都有这个消息了。订阅者就收到这个消息了。

'''

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