Update AWS VPC Terraform templates to include additional subnets for ASG

nilgaar · Jul 16, 2024 · e88be5e · e88be5e
1 parent d53860e
commit e88be5e
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Showing 2 changed files with 10 additions and 4 deletions.
diff --git a/IaC/aws/tofu/asg.tf b/IaC/aws/tofu/asg.tf
@@ -16,7 +16,7 @@ resource "aws_lb" "lb" {
   name               = "asg-example-lb"
   load_balancer_type = "application"
   security_groups    = [aws_security_group.sec_group.id]
-  subnets            = [aws_subnet.asg_subnet.id]
+  subnets            = [aws_subnet.asg_subnet_1.id, aws_subnet.asg_subnet_2.id]
 }
 
 resource "aws_lb_listener" "lb_listener" {
@@ -36,7 +36,7 @@ resource "aws_autoscaling_group" "asg_example" {
   min_size                  = 1
   health_check_grace_period = 300
   launch_configuration      = aws_launch_configuration.launch_configuration.name
-  vpc_zone_identifier       = [aws_subnet.asg_subnet.id]
+  vpc_zone_identifier       = [aws_subnet.asg_subnet_1.id]
   target_group_arns         = [aws_lb_target_group.lb_target_group.arn]
   health_check_type         = "ELB"
 

diff --git a/IaC/aws/tofu/vpc_network.tf b/IaC/aws/tofu/vpc_network.tf
@@ -14,12 +14,18 @@ resource "aws_subnet" "ec2_subnet" {
   map_public_ip_on_launch = true
 }
 
-resource "aws_subnet" "asg_subnet" {
+resource "aws_subnet" "asg_subnet_1" {
   vpc_id            = aws_vpc.vpc.id
   availability_zone = var.availability_zone
   cidr_block        = "10.0.1.0/24"
 }
 
+resource "aws_subnet" "asg_subnet_2" {
+  vpc_id            = aws_vpc.vpc.id
+  availability_zone = var.availability_zone
+  cidr_block        = "10.0.2.0/24"
+}
+
 resource "aws_route_table" "route_table" {
   vpc_id = aws_vpc.vpc.id
 
@@ -35,7 +41,7 @@ resource "aws_route_table_association" "route_table_association_ec2" {
 }
 
 resource "aws_route_table_association" "route_table_association_asg" {
-  subnet_id      = aws_subnet.asg_subnet.id
+  subnet_id      = aws_subnet.asg_subnet_1.id
   route_table_id = aws_route_table.route_table.id
 }