Add tagging, and set concurrency for scale lambda to 1

Author: npalm

examples/default/outputs.tf

@@ -1,6 +1,6 @@
 output "runners" {
   value = {
-    lambda_syncer_name = module.runners.binaries_syncer.lambda.function_namea
+    lambda_syncer_name = module.runners.binaries_syncer.lambda.function_name
   }
 }
 

modules/runner-binaries-syncer/runner-binaries-syncer.tf

@@ -11,6 +11,7 @@ resource "aws_lambda_function" "syncer" {
   runtime          = "nodejs12.x"
   timeout          = var.lambda_timeout
 
+
   environment {
     variables = {
       S3_BUCKET_NAME = aws_s3_bucket.action_dist.id

modules/runners/main.tf

@@ -1,5 +1,4 @@
 locals {
-
   tags = merge(
     {
       "Name" = format("%s-action-runner", var.environment)
@@ -74,6 +73,8 @@ resource "aws_launch_template" "runner" {
     post_install                    = var.userdata_post_install
     s3_location_runner_distribution = var.s3_location_runner_binaries
   }))
+
+  tags = local.tags
 }
 
 resource "aws_security_group" "runner_sg" {

modules/runners/scale-down.tf

@@ -6,6 +6,7 @@ resource "aws_lambda_function" "scale_down" {
   handler          = "index.scaleDown"
   runtime          = "nodejs12.x"
   timeout          = var.lambda_timeout_scale_down
+  tags             = local.tags
 
   environment {
     variables = {
@@ -41,6 +42,7 @@ resource "aws_lambda_permission" "scale_down" {
 resource "aws_iam_role" "scale_down" {
   name               = "${var.environment}-action-scale-down-lambda-role"
   assume_role_policy = data.aws_iam_policy_document.lambda_assume_role_policy.json
+  tags               = local.tags
 }
 
 resource "aws_iam_role_policy" "scale_down" {

modules/runners/scale-up.tf

@@ -1,11 +1,13 @@
 resource "aws_lambda_function" "scale_up" {
-  filename         = local.lambda_zip
-  source_code_hash = filebase64sha256(local.lambda_zip)
-  function_name    = "${var.environment}-scale-up"
-  role             = aws_iam_role.scale_up.arn
-  handler          = "index.scaleUp"
-  runtime          = "nodejs12.x"
-  timeout          = var.lambda_timeout_scale_up
+  filename                       = local.lambda_zip
+  source_code_hash               = filebase64sha256(local.lambda_zip)
+  function_name                  = "${var.environment}-scale-up"
+  role                           = aws_iam_role.scale_up.arn
+  handler                        = "index.scaleUp"
+  runtime                        = "nodejs12.x"
+  timeout                        = var.lambda_timeout_scale_up
+  reserved_concurrent_executions = 1
+  tags                           = local.tags
 
   environment {
     variables = {
@@ -39,6 +41,7 @@ resource "aws_lambda_permission" "scale_runners_lambda" {
 resource "aws_iam_role" "scale_up" {
   name               = "${var.environment}-action-scale-up-lambda-role"
   assume_role_policy = data.aws_iam_policy_document.lambda_assume_role_policy.json
+  tags               = local.tags
 }
 
 resource "aws_iam_role_policy" "scale_up" {