Added support for reserved_concurrent_executions

README.md

@@ -55,6 +55,7 @@ If you want to subscribe AWS Lambda Function created by this module to an existi
 | kms\_key\_arn | ARN of the KMS key used for decrypting slack webhook url | string | `""` | no |
 | lambda\_function\_name | The name of the Lambda function to create | string | `"notify_slack"` | no |
 | lambda\_function\_tags | Additional tags for the Lambda function | map(string) | `{}` | no |
+| reserved\_concurrent\_executions | The amount of reserved concurrent executions for this lambda function. A value of 0 disables lambda from being triggered and -1 removes any concurrency limitations | number | `"-1"` | no |
 | slack\_channel | The name of the channel in Slack for notifications | string | n/a | yes |
 | slack\_emoji | A custom emoji that will appear on Slack messages | string | `":aws:"` | no |
 | slack\_username | The username that will appear on Slack messages | string | n/a | yes |

main.tf

@@ -68,12 +68,13 @@ resource "aws_lambda_function" "notify_slack" {
 
   function_name = var.lambda_function_name
 
-  role             = aws_iam_role.lambda[0].arn
-  handler          = "notify_slack.lambda_handler"
-  source_code_hash = data.archive_file.notify_slack[0].output_base64sha256
-  runtime          = "python3.7"
-  timeout          = 30
-  kms_key_arn      = var.kms_key_arn
+  role                           = aws_iam_role.lambda[0].arn
+  handler                        = "notify_slack.lambda_handler"
+  source_code_hash               = data.archive_file.notify_slack[0].output_base64sha256
+  runtime                        = "python3.7"
+  timeout                        = 30
+  kms_key_arn                    = var.kms_key_arn
+  reserved_concurrent_executions = var.reserved_concurrent_executions
 
   environment {
     variables = {

variables.tf

@@ -48,6 +48,12 @@ variable "kms_key_arn" {
   default     = ""
 }
 
+variable "reserved_concurrent_executions" {
+  description = "The amount of reserved concurrent executions for this lambda function. A value of 0 disables lambda from being triggered and -1 removes any concurrency limitations"
+  type        = number
+  default     = -1
+}
+
 variable "tags" {
   description = "A map of tags to add to all resources"
   type        = map(string)