Merge pull request #47 from egarbi/custom_alb_listener_ports

Adds 2 new variables to control listener ports of ALB

Author: brandonjbjelland

main.tf

@@ -55,7 +55,7 @@ resource "aws_alb_target_group" "target_group" {
 
 resource "aws_alb_listener" "frontend_http" {
   load_balancer_arn = "${aws_alb.main.arn}"
-  port              = "80"
+  port              = "${var.alb_http_port}"
   protocol          = "HTTP"
   count             = "${contains(var.alb_protocols, "HTTP") ? 1 : 0}"
 
@@ -69,7 +69,7 @@ resource "aws_alb_listener" "frontend_http" {
 
 resource "aws_alb_listener" "frontend_https" {
   load_balancer_arn = "${aws_alb.main.arn}"
-  port              = "443"
+  port              = "${var.alb_https_port}"
   protocol          = "HTTPS"
   certificate_arn   = "${var.certificate_arn}"
   ssl_policy        = "${var.security_policy}"

variables.tf

@@ -3,6 +3,16 @@ variable "alb_is_internal" {
   default     = false
 }
 
+variable "alb_http_port" {
+  description = "The port the Load Balancer listen when HTTP is used"
+  default     = 80
+}
+
+variable "alb_https_port" {
+  description = "The port the Load Balancer listen when HTTPS is used"
+  default     = 443
+}
+
 variable "alb_name" {
   description = "The name of the ALB as will show in the AWS EC2 ELB console."
 }