Merge pull request #146 from NHSDigital/feature/CCM-13476_max-receive-count

CCM-13476 Allow configurable maxReceiveCount for queues

Author: Ian-Hodges

infrastructure/modules/sqs/README.md

@@ -23,6 +23,7 @@
 | <a name="input_fifo_queue"></a> [fifo\_queue](#input\_fifo\_queue) | Boolean designating a FIFO queue | `bool` | `false` | no |
 | <a name="input_kms_data_key_reuse_period_seconds"></a> [kms\_data\_key\_reuse\_period\_seconds](#input\_kms\_data\_key\_reuse\_period\_seconds) | The length of time, in seconds, for which Amazon SQS can reuse a data key to encrypt or decrypt messages before calling AWS KMS again. An integer representing seconds, between 60 seconds (1 minute) and 86,400 seconds (24 hours) | `number` | `300` | no |
 | <a name="input_max_message_size"></a> [max\_message\_size](#input\_max\_message\_size) | The limit of how many bytes a message can contain before Amazon SQS rejects it. An integer from 1024 bytes (1 KiB) up to 262144 bytes (256 KiB) | `number` | `262144` | no |
+| <a name="input_max_receive_count"></a> [max\_receive\_count](#input\_max\_receive\_count) | The maximum number of times a message can be received before being sent to the DLQ | `number` | `3` | no |
 | <a name="input_message_retention_seconds"></a> [message\_retention\_seconds](#input\_message\_retention\_seconds) | The number of seconds Amazon SQS retains a message. Integer representing seconds, from 60 (1 minute) to 1209600 (14 days) | `number` | `null` | no |
 | <a name="input_name"></a> [name](#input\_name) | Name of the SQS Queue | `string` | n/a | yes |
 | <a name="input_project"></a> [project](#input\_project) | The name of the tfscaffold project | `string` | n/a | yes |

infrastructure/modules/sqs/sqs_queue_redrive_policy.tf

@@ -4,6 +4,6 @@ resource "aws_sqs_queue_redrive_policy" "redrive_policy" {
   queue_url = aws_sqs_queue.sqs_queue.url
   redrive_policy = jsonencode({
     deadLetterTargetArn = aws_sqs_queue.deadletter_queue[0].arn
-    maxReceiveCount     = 3
+    maxReceiveCount     = var.max_receive_count
   })
 }

infrastructure/modules/sqs/variables.tf

@@ -116,3 +116,9 @@ variable "create_dlq" {
   type        = bool
   default     = false
 }
+
+variable "max_receive_count" {
+  description = "The maximum number of times a message can be received before being sent to the DLQ"
+  type        = number
+  default     = 3
+}