alb

main.tf

@@ -13,9 +13,9 @@ data "aws_subnets" "default"{
  values = [data.aws_vpc.default.id]
  }
 }
-output "public_ip" {
- value = aws_instance.tf_example.public_ip
- description = "The public IP Address of the webserver"
+output "alb_dns_name" {
+ value = aws_lb.tf_example.dns_name
+ description = "The domain name of the ALB"
 
 }
 
@@ -54,6 +54,9 @@ resource "aws_autoscaling_group" "tf_example" {
  launch_configuration = aws_launch_configuration.tf_example.name
  vpc_zone_identifier = data.aws_subnets.default.ids
 
+ target_group_arns = [aws_lb_target_group.asg.arn]
+ health_check_type = "ELB"
+
  min_size = 2
  max_size = 10
 
@@ -72,13 +75,30 @@ resource "aws_lb" "tf_example" {
  security_groups = [aws_security_group.alb.id]
 }
 
+resource "aws_lb_target_group" "asg" {
+ name = "tf-asg-example"
+ port = var.server_port
+ protocol = "HTTP"
+ vpc_id = data.aws_vpc.default.id
+
+ health_check {
+ path = "/"
+ protocol = "HTTP"
+ matcher = "200"
+ interval = 15
+ timeout = 3
+ healthy_threshold = 2
+ unhealthy_threshold = 2
+ }
+}
+
 resource "aws_lb_listener" "http" {
  load_balancer_arn = aws_lb.tf_example.arn
  port = 80
  protocol = "HTTP"
 
  default_action {
- type = "fixed_response"
+ type = "fixed-response"
 
  fixed_response {
  content_type = "text/plain"
@@ -88,6 +108,23 @@ resource "aws_lb_listener" "http" {
  }
 }
 
+
+resource "aws_lb_listener_rule" "asg" {
+ listener_arn = aws_lb_listener.http.arn
+ priority = 100
+
+ condition {
+ path_pattern {
+ values = [ "*" ]
+ }
+ }
+
+ action {
+ type = "forward"
+ target_group_arn = aws_lb_target_group.asg.arn
+ }
+}
+
 resource "aws_security_group" "alb" {
  name = "tf-example-alb"
 
@@ -98,10 +135,15 @@ resource "aws_security_group" "alb" {
  cidr_blocks = ["0.0.0.0/0"]
  }
 
- egress = {
+ egress = [{
+ description = "for all outgoing traffic"
  from_port = 0
  to_port = 0
  protocol = "-1"
- cidr_blocks = ["0.0.0.0/0"]
- }
+ cidr_blocks = [ "0.0.0.0/0" ]
+ ipv6_cidr_blocks = ["::/0"]
+ prefix_list_ids = []
+ security_groups = []
+ self = false
+ }]
 }