Allow specification of lambda runtime (#39)

README.md

@@ -55,6 +55,7 @@ module "codepipeline_notifications" {
 | <a name="input_label_key_case"></a> [label\_key\_case](#input\_label\_key\_case) | The letter case of label keys (`tag` names) (i.e. `name`, `namespace`, `environment`, `stage`, `attributes`) to use in `tags`.<br>Possible values: `lower`, `title`, `upper`.<br>Default value: `title`. | `string` | `null` | no |
 | <a name="input_label_order"></a> [label\_order](#input\_label\_order) | The naming order of the id output and Name tag.<br>Defaults to ["namespace", "environment", "stage", "name", "attributes"].<br>You can omit any of the 5 elements, but at least one must be present. | `list(string)` | `null` | no |
 | <a name="input_label_value_case"></a> [label\_value\_case](#input\_label\_value\_case) | The letter case of output label values (also used in `tags` and `id`).<br>Possible values: `lower`, `title`, `upper` and `none` (no transformation).<br>Default value: `lower`. | `string` | `null` | no |
+| <a name="input_lambda_runtime"></a> [lambda\_runtime](#input\_lambda\_runtime) | The runtime to use for the lambda function | `string` | `"python3.8"` | no |
 | <a name="input_name"></a> [name](#input\_name) | Solution name, e.g. 'app' or 'jenkins' | `string` | `null` | no |
 | <a name="input_namespace"></a> [namespace](#input\_namespace) | Namespace, which could be your organization name or abbreviation, e.g. 'eg' or 'cp' | `string` | `null` | no |
 | <a name="input_pipeline_event_type_ids"></a> [pipeline\_event\_type\_ids](#input\_pipeline\_event\_type\_ids) | The list of pipeline events to trigger a notification on | `list(string)` | <pre>[<br>  "started",<br>  "failed",<br>  "canceled",<br>  "resumed",<br>  "succeeded",<br>  "superseded"<br>]</pre> | no |

main.tf

@@ -93,7 +93,7 @@ resource "aws_lambda_function" "pipeline_notification" {
   filename         = data.archive_file.notifier_package.output_path
   function_name    = module.this.id
   role             = aws_iam_role.pipeline_notification.arn
-  runtime          = "python3.8"
+  runtime          = var.lambda_runtime
   source_code_hash = data.archive_file.notifier_package.output_base64sha256
   handler          = "notifier.handler"
   timeout          = 10

variables.tf

@@ -78,3 +78,9 @@ variable "approval_event_type_ids" {
     EOF
   }
 }
+
+variable "lambda_runtime" {
+  type        = string
+  description = "The runtime to use for the lambda function"
+  default     = "python3.8"
+}