deploying with hooks and amqp

my-project-generator.rb

#!/usr/bin/env ruby

require "dante"
require "amqp"
require "oj"

$0 = "My project generator"
Dir.chdir "/var/www/my-project"

Dante.run "my-project", pid_path: '/var/www/my-project-generator.pid', user: 'www-data', group: 'www-data' do
  EM.run do

    connection = AMQP.connect host: "my.broker.host", vhost: "/my-vhost", user: "my-user", password: "my-password"
    channel = AMQP::Channel.new connection
    queue = channel.queue "my-project", auto_delete: true
    queue.subscribe do |payload|
      message = Oj.load payload
      case message["action"]
      when "generate"
        `my-deploy-script`
      end
    end
  end
end

post-receive

#!/usr/bin/env ruby

require "amqp"

EM.run do

  connection = AMQP.connect(host: 'my.broker.host', vhost: '/my-vhost', user: 'my-user', password: 'my-password')
  channel = AMQP::Channel.new connection
  ex = channel.direct ""
  ex.publish '{"action":"generate"}', routing_key: "my-project" do
    connection.disconnect { EM.stop }
  end

end