Terraform resource: aws sns topic subscription

aws_sns_topic_subscription (tf.io)

• Protocol: application, firehose, lambda, sms and sqs
• Arguments:
  • filter_policy
  • redrive_policy ref

Official example

resource "aws_sns_topic_subscription" "user_updates_sqs_target" {
 topic_arn = "arn:aws:sns:us-west-2:432981146916:user-updates-topic"
 protocol  = "sqs"
 endpoint  = "arn:aws:sqs:us-west-2:432981146916:terraform-queue-too"
}

Grok example with redrive_policy

resource "aws_sns_topic_subscription" "example_subscription" {
 topic_arn = aws_sns_topic.example_topic.arn
 protocol  = "sqs"  # Example using an SQS queue as the subscriber
 endpoint  = aws_sqs_queue.example_queue.arn  # Subscriber queue ARN

 # Redrive policy specifying the dead-letter queue
 redrive_policy = jsonencode({
   deadLetterTargetArn = aws_sqs_queue.dead_letter_queue.arn
 })

 # Ensure the subscription depends on the DLQ policy being applied
 depends_on = [aws_sqs_queue_policy.dlq_policy]
}

Related

• Amazon SNS dead-letter queues (DLQ)
• Configuring an Amazon SNS dead-letter queue for a subscription

See also

• Terraform SNS: aws_sns_topic, aws_sns_topic_policy, aws_sns_topic_subscription (redrive_policy), aws_sns_platform_application, aws_sqs_queue_redrive_policy