Class: EventQ::Amazon::SubscriptionManager

Inherits:
Object
  • Object
show all
Defined in:
lib/eventq_aws/aws_subscription_manager.rb

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ SubscriptionManager

Returns a new instance of SubscriptionManager.



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# File 'lib/eventq_aws/aws_subscription_manager.rb', line 5

def initialize(options)

  if options[:client] == nil
    raise "[#{self.class}] - :client (QueueClient) must be specified."
  end

  @client = options[:client]

  if options[:queue_manager] == nil
    raise "[#{self.class}] - :queue_manager (QueueManager) must be specified."
  end

  @manager = options[:queue_manager]
end

Instance Method Details

#subscribe(event_type, queue) ⇒ Object 



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# File 'lib/eventq_aws/aws_subscription_manager.rb', line 20

def subscribe(event_type, queue)

  _event_type = EventQ.create_event_type(event_type)
  topic_arn = @client.create_topic_arn(_event_type)

  q = @manager.get_queue(queue)
  queue_arn = @client.get_queue_arn(queue)

  @client.sqs.set_queue_attributes({
                                       queue_url: q,
                                       attributes:{
                                           'Policy'.freeze => '{
  "Version": "2012-10-17",
  "Id": "SNStoSQS",
  "Statement": [
    {
"Sid":"rule1",
"Effect": "Allow",
"Principal": "*",
"Action": "sqs:*",
"Resource": "' + queue_arn + '",
"Condition" : {
  "ArnEquals" : {
    "aws:SourceArn":"' + topic_arn + '"
  }
}
    }
  ]
}'
                                       }
                                   })

  @client.sns.subscribe({
                            topic_arn: topic_arn,
                            protocol: 'sqs'.freeze,
                            endpoint: queue_arn
                        })

  return true

end

#unsubscribe(queue) ⇒ Object 



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# File 'lib/eventq_aws/aws_subscription_manager.rb', line 62

def unsubscribe(queue)

  raise "[#{self.class}] - Not implemented. Please unsubscribe the queue from the topic inside the AWS Management Console."

end