RabbitMQ példa

Docker környezetben futtatható példa.

git clone https://github.com/knehez/isi.git
cd isi/rabbitmq-python
docker-compose up -d rabbitmq

Az alábbi docker-compose.yml definiál egy szolgáltatást a rabbitmq hivatalos docker image-el, kiegészítve a management web-es felülettel, ami a 15672-es porton érhető el.

version: '3.7'
services:
  rabbitmq:
    image: 'rabbitmq:3-management'
    ports:
        - 5672:5672
        - 15672:15672

Indítsuk el a producert:

docker-compose up producer

Majd a cunsumert:

docker-compose up consumer

consumer.py

import pika
import sys
import os
 
connection = pika.BlockingConnection(pika.ConnectionParameters(host='rabbitmq'))
channel = connection.channel()
 
channel.queue_declare(queue='hello')
 
 
def callback(ch, method, properties, body):
    print(" [x] Received %r" % body)
 
 
channel.basic_consume(
    queue='hello', on_message_callback=callback, auto_ack=True)
 
print(' [*] Waiting for messages. ')
 
while (True):
    channel.start_consuming()

producer.py

import pika
 
connection = pika.BlockingConnection(pika.ConnectionParameters(host='rabbitmq'))
channel = connection.channel()
 
channel.queue_declare(queue='hello')
 
channel.basic_publish(exchange='', routing_key='hello', body='Hello World!')
print(" [x] Sent 'Hello World!'")
connection.close()