Initial Commit

main.tf

@@ -0,0 +1,36 @@
+resource "aws_lb" "nlb_app" {
+  name               = format("nlb-%s-lb01-app-%s", var.env_short, var.app_name)
+  internal           = true
+  load_balancer_type = "network"
+  subnets            = var.lb_subnet_ids
+}
+
+resource "aws_lb_listener" "nlb_l_app" {
+  for_each          = var.protocol
+  load_balancer_arn = aws_lb.nlb_app.arn
+  port              = each.value
+  protocol          = "TCP"
+
+  default_action {
+    type             = "forward"
+    target_group_arn = aws_lb_target_group.tg_app[each.key].arn
+  }
+
+  lifecycle {
+    create_before_destroy = true
+  }
+}
+
+resource "aws_lb_target_group" "tg_app" {
+  for_each    = var.protocol
+  name        = format("nlb-%s-lb01-app-%s-%s", var.env_short, var.app_name, each.key)
+  port        = each.value
+  protocol    = "TCP"
+  vpc_id      = var.vpc_id
+}
+
+resource "aws_autoscaling_attachment" "asg_attachment_app" {
+  for_each               = var.protocol
+  autoscaling_group_name = var.asg_name
+  lb_target_group_arn    = aws_lb_target_group.tg_app[each.key].arn
+}

variables.tf

@@ -0,0 +1,33 @@
+variable "env_short" {
+  type = string
+  description = "Set the short environment name, i.e. dev, test, acc, prod"
+}
+
+variable "app_name" {
+  type = string
+  description = "Set the application name i.e. green or blue"
+}
+
+variable "lb_subnet_ids" {
+  type        = list(any)
+  default     = null
+  description = "The list of subnet IDs where the lb will live"
+}
+
+variable "protocol" {
+  type        = map(string)
+  default     = null
+  description = "list of names and ports to be listening on"
+}
+
+variable "vpc_id" {
+  type        = string
+  default     = null
+  description = "Define VPC ID"
+}
+
+variable "asg_name" {
+  type        = string
+  default     = null
+  description = "Set ASG name"
+}