google-pubsub-example.rb

config = Rails.application.config.x.gcloud
pubsub = Google::Cloud::Pubsub.new project_id: config["project_id"], credentials: config["pubsub"]["keyfile"]

topic = pubsub.topic "incident-events"
sub = topic.subscription "hello-world"

subscriber = sub.listen do |received_message|
  puts "sub 1"
  puts received_message.message.data
  received_message.acknowledge!
end

subscriber.start

sub2 = topic.subscription "hello-world"

subscriber2 = sub2.listen do |received_message|
  puts "sub 2"
  puts received_message.message.data
  received_message.acknowledge!
end

subscriber2.start