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RabbitMQ : Use on Ruby2024/09/17

 

This is an example to use RabbitMQ on Ruby.

[1] Install required packages.
root@dlp:~ #
pkg install -y rubygem-bunny
[2] This is an example of sending message on Ruby.
For example, connect with RabbitMQ on [localhost] with a user [serverworld], virtualhost [my_vhost].
freebsd@dlp:~ $
vi send_msg.rb
require "bunny"

connection = Bunny.new(
    :hostname => "127.0.0.1",
    :port => 5672,
    :vhost => "/my_vhost",
    :user => "serverworld",
    :pass => "password",
)
connection.start

channel = connection.create_channel

q = channel.queue("Hello_World")
channel.default_exchange.publish("Hello RabbitMQ World!", :routing_key => q.name)
puts " [x] Sent 'Hello RabbitMQ World!'"

connection.close

freebsd@dlp:~ $
ruby send_msg.rb

 [x] Sent 'Hello RabbitMQ World!'
[3] This is an example of receiving message on Ruby.
freebsd@node01:~ $
vi receive_msg.rb
require "bunny"

Signal.trap(:INT){
    puts "Exited from receiving queues."
    exit(0)
}

connection = Bunny.new(
    :hostname => "10.0.0.30",
    :port => 5672,
    :vhost => "/my_vhost",
    :user => "serverworld",
    :pass => "password",
)
connection.start

channel = connection.create_channel
q = channel.queue("Hello_World")

puts " [*] Waiting for messages in #{q.name}. To exit press CTRL+C"
q.subscribe(:block => true) do |delivery_info, properties, body|
    puts " [x] Received #{body}"

    delivery_info.consumer.cancel
end

freebsd@node01:~ $
ruby receive_msg.rb

 [*] Waiting for messages in Hello_World. To exit press CTRL+C
 [x] Received Hello RabbitMQ World!
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