Rabbitmq--topic

# -*- coding: UTF-8 -*-


import pika

# 创建一个连接
connection = pika.BlockingConnection(pika.ConnectionParameters(
    host='localhost'))

# 创建一个管道
channel = connection.channel()

# 声明exchange 及类型
channel.exchange_declare(exchange='topic_log',
                         exchange_type='topic')

# 输入信息，格式为 *.info from *.info test 类似
input_data = input('>>:').strip()

# 将输入的信息以空格为分割，转换为列表
data_list = input_data.split(' ')

# 三元运算，如果输入信息存在，就使用输入的信息data_list[0]，否则用 'anonymous.info'
severity = data_list[0] if len(data_list) > 1 else 'anonymous.info'

message = ' '.join(data_list[2:]) or 'hello,world!'

# 这里的routing_key就是 data_list[0] 或 'info'
channel.basic_publish(exchange='topic_log',
                      routing_key=severity,
                      body=message)
print('[x] Sent %r:%r' % (severity, message))

connection.close()

# -*- coding: UTF-8 -*-

import pika

connection = pika.BlockingConnection(pika.ConnectionParameters(
    host='localhost'))

channel = connection.channel()

# 声明exchange 及类型
channel.exchange_declare(exchange='topic_log',
                         exchange_type='topic')

result = channel.queue_declare(exclusive=True)

queue_name = result.method.queue

# 在此我们定义一些列表，列表内容如下
# 这2个列表分别用来测试和routing_key匹配情况
# 第一种只允许接收info的信息
# 第二种允许接收error 和 mysql的信息


# severities = ['*.info']
severities = ['*.error', 'mysql.*']

for severity in severities:
    channel.queue_bind(exchange='topic_log',
                       queue=queue_name,
                       routing_key=severity)
print(' [*] Waiting for logs. To exit press CTRL+C')


def callback(ch, method, properties, body):
    print(" [x] %r:%r" % (method.routing_key, body))

channel.basic_consume(callback,
                      queue=queue_name,
                      no_ack=True)

channel.start_consuming()

appache.info from appache info test

nginx.error from nginx error test

mysql.info from mysql info test