Class: CloudFormation::Bridge::Resources::SubscribeQueueToTopic

Inherits:
Base
  • Object
show all
Defined in:
lib/cloud_formation/bridge/resources/subscribe_queue_to_topic.rb

Constant Summary collapse

ARN = 
'Arn'
ENDPOINT = 
'Endpoint'
PROTOCOL = 
'Protocol'
TOPIC_ARN = 
'TopicArn'
QUEUE_NAME = 
'QueueName'
REQUIRED_FIELDS = 
[
  TOPIC_ARN,
  QUEUE_NAME,
]

Instance Method Summary collapse

Methods inherited from Base

#require_fields, #update

Instance Method Details

#create(request) ⇒ Object 



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# File 'lib/cloud_formation/bridge/resources/subscribe_queue_to_topic.rb', line 23

def create(request)
  require_fields(request, REQUIRED_FIELDS)

  queue = queues.named(request.resource_properties[QUEUE_NAME])
  topic = topics[request.resource_properties[TOPIC_ARN]]

  subscription = topic.subscribe(queue)

  {
    FIELDS::PHYSICAL_RESOURCE_ID => subscription.arn,
    FIELDS::DATA => {
      ARN => subscription.arn,
      ENDPOINT => subscription.endpoint,
      PROTOCOL => subscription.protocol,
    },
  }
end

#delete(request) ⇒ Object 



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# File 'lib/cloud_formation/bridge/resources/subscribe_queue_to_topic.rb', line 41

def delete(request)
  subscription = subscriptions[request.physical_resource_id]
  subscription.unsubscribe if subscription && subscription.exists?
end

#queues ⇒ Object 



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# File 'lib/cloud_formation/bridge/resources/subscribe_queue_to_topic.rb', line 58

def queues
  @queues ||= AWS::SQS.new.queues
end

#sns ⇒ Object 



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# File 'lib/cloud_formation/bridge/resources/subscribe_queue_to_topic.rb', line 54

def sns
  @sns ||= AWS::SNS.new
end

#subscriptions ⇒ Object 



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# File 'lib/cloud_formation/bridge/resources/subscribe_queue_to_topic.rb', line 50

def subscriptions
  @subscriptions ||= sns.subscriptions
end

#topics ⇒ Object 



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# File 'lib/cloud_formation/bridge/resources/subscribe_queue_to_topic.rb', line 46

def topics
  @topics ||= sns.topics
end