fix: Make default tag terraform-aws-modules optional (#657)

Co-authored-by: Anton Babenko <anton@antonbabenko.com>

Author: sebastianczech

README.md

@@ -797,6 +797,7 @@ No modules.
 | <a name="input_image_config_entry_point"></a> [image\_config\_entry\_point](#input\_image\_config\_entry\_point) | The ENTRYPOINT for the docker image | `list(string)` | `[]` | no |
 | <a name="input_image_config_working_directory"></a> [image\_config\_working\_directory](#input\_image\_config\_working\_directory) | The working directory for the docker image | `string` | `null` | no |
 | <a name="input_image_uri"></a> [image\_uri](#input\_image\_uri) | The ECR image URI containing the function's deployment package. | `string` | `null` | no |
+| <a name="input_include_default_tag"></a> [include\_default\_tag](#input\_include\_default\_tag) | Set to false to not include the default tag in the tags map. | `bool` | `true` | no |
 | <a name="input_invoke_mode"></a> [invoke\_mode](#input\_invoke\_mode) | Invoke mode of the Lambda Function URL. Valid values are BUFFERED (default) and RESPONSE\_STREAM. | `string` | `null` | no |
 | <a name="input_ipv6_allowed_for_dual_stack"></a> [ipv6\_allowed\_for\_dual\_stack](#input\_ipv6\_allowed\_for\_dual\_stack) | Allows outbound IPv6 traffic on VPC functions that are connected to dual-stack subnets | `bool` | `null` | no |
 | <a name="input_kms_key_arn"></a> [kms\_key\_arn](#input\_kms\_key\_arn) | The ARN of KMS key to use by your Lambda Function | `string` | `null` | no |

main.tf

@@ -138,7 +138,7 @@ resource "aws_lambda_function" "this" {
   }
 
   tags = merge(
-    { terraform-aws-modules = "lambda" },
+    var.include_default_tag ? { terraform-aws-modules = "lambda" } : {},
     var.tags,
     var.function_tags
   )

variables.tf

@@ -188,6 +188,12 @@ variable "tags" {
   default     = {}
 }
 
+variable "include_default_tag" {
+  description = "Set to false to not include the default tag in the tags map."
+  type        = bool
+  default     = true
+}
+
 variable "function_tags" {
   description = "A map of tags to assign only to the lambda function"
   type        = map(string)

wrappers/main.tf

@@ -67,6 +67,7 @@ module "wrapper" {
   image_config_entry_point                     = try(each.value.image_config_entry_point, var.defaults.image_config_entry_point, [])
   image_config_working_directory               = try(each.value.image_config_working_directory, var.defaults.image_config_working_directory, null)
   image_uri                                    = try(each.value.image_uri, var.defaults.image_uri, null)
+  include_default_tag                          = try(each.value.include_default_tag, var.defaults.include_default_tag, true)
   invoke_mode                                  = try(each.value.invoke_mode, var.defaults.invoke_mode, null)
   ipv6_allowed_for_dual_stack                  = try(each.value.ipv6_allowed_for_dual_stack, var.defaults.ipv6_allowed_for_dual_stack, null)
   kms_key_arn                                  = try(each.value.kms_key_arn, var.defaults.kms_key_arn, null)