variables for handler and runtime. fix lambda name. add outputs.

Author: joshgubler

examples/simple-lambda-with-deploy-test/example.tf

@@ -13,6 +13,8 @@ module "lambda_api" {
   env                           = "dev"
   codedeploy_service_role_arn   = module.acs.power_builder_role.arn
   lambda_src_dir                = "./src"
+  handler                       = "index.handler"
+  runtime                       = "nodejs12.x"
   hosted_zone                   = module.acs.route53_zone
   https_certificate_arn         = module.acs.certificate.arn
   vpc_id                        = module.acs.vpc.id

main.tf

@@ -28,7 +28,6 @@ locals {
   # is_initial = aws_lambda_alias.initial.function_version == aws_lambda_alias.live.function_version
 }
 
-
 # ==================== ALB ====================
 
 resource "aws_alb" "alb" {
@@ -248,10 +247,10 @@ resource "aws_security_group" "lambda_sg" {
 resource "aws_lambda_function" "api_lambda" {
   filename         = data.archive_file.cleanup_lambda_zip.output_path
   source_code_hash = data.archive_file.cleanup_lambda_zip.output_base64sha256
-  function_name    = "my-lambda"
+  function_name    = local.long_name
   role             = aws_iam_role.iam_for_lambda.arn
-  handler          = "index.handler"
-  runtime          = "nodejs12.x"
+  handler          = var.handler
+  runtime          = var.runtime
   publish          = true
 
   vpc_config {
@@ -268,7 +267,7 @@ resource "aws_lambda_function" "api_lambda" {
 
 resource "aws_lambda_alias" "live" {
   name          = "live"
-  description   = "a sample description" //TODO:
+  description   = "ALB sends traffic to this version"
   function_name = aws_lambda_function.api_lambda.arn
   # Get the version of the lambda when it is first created
   function_version = aws_lambda_function.api_lambda.version
@@ -280,42 +279,13 @@ resource "aws_lambda_alias" "live" {
   }
 }
 
-# resource "aws_lambda_alias" "initial" {
-#   name             = "initial"
-#   description      = "a sample description" //TODO:
-#   function_name    = aws_lambda_function.api_lambda.arn
-#   # Get the version of the lambda when it is first created
-#   function_version = aws_lambda_function.api_lambda.version
-#   # Let CodeDeploy handle changes to the function version that this alias refers to
-#   lifecycle {
-#     ignore_changes = [
-#       function_version
-#     ]
-#   }
-# }
-
 # ==================== CodeDeploy ====================
 
 resource "aws_codedeploy_app" "app" {
   compute_platform = "Lambda"
   name             = "${local.long_name}-cd"
 }
 
-# resource "aws_codedeploy_deployment_config" "config" {
-#   deployment_config_name = "${local.long_name}-cfg"
-#   compute_platform       = "Lambda"
-
-#   //TODO: There are other ways to configure this
-#   traffic_routing_config {
-#     type = "TimeBasedLinear"
-
-#     time_based_linear {
-#       interval   = 10
-#       percentage = 10
-#     }
-#   }
-# }
-
 resource "aws_codedeploy_deployment_group" "deployment_group" {
   app_name               = aws_codedeploy_app.app.name
   deployment_group_name  = "${local.long_name}-dg"
@@ -332,7 +302,6 @@ resource "aws_codedeploy_deployment_group" "deployment_group" {
   }
 }
 
-
 # ==================== CloudWatch ====================
 
 resource "aws_cloudwatch_log_group" "log_group" {

outputs.tf

@@ -1,7 +1,35 @@
-# output "appspec" {
-#   value = local_file.appspec_json.content
-# }
+output "lambda" {
+  value = aws_lambda_function.api_lambda
+}
+
+output "lambda_security_group" {
+  value = aws_security_group.lambda_sg
+}
+
+output "lambda_live_alias" {
+  value = aws_lambda_alias.live
+}
+
+output "codedeploy_deployment_group" {
+  value = aws_codedeploy_deployment_group.deployment_group
+}
+
+output "codedeploy_appspec_json_file" {
+  value = local_file.appspec_json.filename
+}
+
+output "alb" {
+  value = aws_alb.alb
+}
+
+output "alb_security_group" {
+  value = aws_security_group.alb-sg
+}
 
 output "dns_record" {
   value = aws_route53_record.a_record
 }
+
+output "cloudwatch_log_group" {
+  value = aws_cloudwatch_log_group.log_group
+}

variables.tf

@@ -18,6 +18,16 @@ variable "lambda_src_dir" {
   description = "Directory that contains your lambda source code"
 }
 
+variable "handler" {
+  type        = string
+  description = "Lambda event handler"
+}
+
+variable "runtime" {
+  type        = string
+  description = "Lambda runtime"
+}
+
 variable "hosted_zone" {
   type = object({
     name = string,