feat: Added support for skip_destroy in Lambda Layer Version (terraform-aws-modules#244)

Co-authored-by: Anton Babenko <[email protected]>

Author: absa-rsuarez

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/antonbabenko/pre-commit-terraform
-    rev: v1.58.0
+    rev: v1.62.3
     hooks:
       - id: terraform_fmt
       - id: terraform_validate
@@ -23,6 +23,6 @@ repos:
           - '--args=--only=terraform_standard_module_structure'
           - '--args=--only=terraform_workspace_remote'
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.0.1
+    rev: v4.1.0
     hooks:
       - id: check-merge-conflict

README.md

@@ -592,7 +592,7 @@ Q4: What does this error mean - `"We currently do not support adding policies fo
 | Name | Version |
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13.1 |
-| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.61 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.66 |
 | <a name="requirement_external"></a> [external](#requirement\_external) | >= 1 |
 | <a name="requirement_local"></a> [local](#requirement\_local) | >= 1 |
 | <a name="requirement_null"></a> [null](#requirement\_null) | >= 2 |
@@ -601,7 +601,7 @@ Q4: What does this error mean - `"We currently do not support adding policies fo
 
 | Name | Version |
 |------|---------|
-| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 3.61 |
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 3.66 |
 | <a name="provider_external"></a> [external](#provider\_external) | >= 1 |
 | <a name="provider_local"></a> [local](#provider\_local) | >= 1 |
 | <a name="provider_null"></a> [null](#provider\_null) | >= 2 |
@@ -715,6 +715,7 @@ No modules.
 | <a name="input_lambda_at_edge"></a> [lambda\_at\_edge](#input\_lambda\_at\_edge) | Set this to true if using Lambda@Edge, to enable publishing, limit the timeout, and allow edgelambda.amazonaws.com to invoke the function | `bool` | `false` | no |
 | <a name="input_lambda_role"></a> [lambda\_role](#input\_lambda\_role) | IAM role ARN attached to the Lambda Function. This governs both who / what can invoke your Lambda Function, as well as what resources our Lambda Function has access to. See Lambda Permission Model for more details. | `string` | `""` | no |
 | <a name="input_layer_name"></a> [layer\_name](#input\_layer\_name) | Name of Lambda Layer to create | `string` | `""` | no |
+| <a name="input_layer_skip_destroy"></a> [layer\_skip\_destroy](#input\_layer\_skip\_destroy) | Whether to retain the old version of a previously deployed Lambda Layer. | `bool` | `false` | no |
 | <a name="input_layers"></a> [layers](#input\_layers) | List of Lambda Layer Version ARNs (maximum of 5) to attach to your Lambda Function. | `list(string)` | `null` | no |
 | <a name="input_license_info"></a> [license\_info](#input\_license\_info) | License info for your Lambda Layer. Eg, MIT or full url of a license. | `string` | `""` | no |
 | <a name="input_local_existing_package"></a> [local\_existing\_package](#input\_local\_existing\_package) | The absolute path to an existing zip-file to use | `string` | `null` | no |

main.tf

@@ -105,6 +105,7 @@ resource "aws_lambda_layer_version" "this" {
 
   compatible_runtimes      = length(var.compatible_runtimes) > 0 ? var.compatible_runtimes : [var.runtime]
   compatible_architectures = var.compatible_architectures
+  skip_destroy             = var.layer_skip_destroy
 
   filename         = local.filename
   source_code_hash = var.ignore_source_code_hash ? null : (local.filename == null ? false : fileexists(local.filename)) && !local.was_missing ? filebase64sha256(local.filename) : null

variables.tf

@@ -197,6 +197,12 @@ variable "layer_name" {
   default     = ""
 }
 
+variable "layer_skip_destroy" {
+  description = "Whether to retain the old version of a previously deployed Lambda Layer."
+  type        = bool
+  default     = false
+}
+
 variable "license_info" {
   description = "License info for your Lambda Layer. Eg, MIT or full url of a license."
   type        = string

versions.tf

@@ -2,7 +2,7 @@ terraform {
   required_version = ">= 0.13.1"
 
   required_providers {
-    aws      = ">= 3.61"
+    aws      = ">= 3.66"
     external = ">= 1"
     local    = ">= 1"
     null     = ">= 2"