Create main.tf

main.tf

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+terraform {
+  required_version = "~> 0.15.0"
+  required_providers {
+    aws = {
+      source = "hashicorp/aws"
+      version = "~> 3.0"
+    }
+  }
+  backend "s3" {
+    bucket = "terraform-backend-tf03172021"
+    key = "terraform/stack01"
+    region = "us-east-1"
+  }
+}
+provider "aws" {
+  region = "us-east-1"
+}
+data "aws_ami" "windows_2016" {
+  most_recent = true
+  filter {
+    name   = "name"
+    values = ["Windows_Server-2016-English-Full-Base-2021*"]
+  }
+  filter {
+    name   = "virtualization-type"
+    values = ["hvm"]
+  }
+  owners = ["amazon"] # Canonical
+}
+data "aws_ami" "linux" {
+  most_recent = true
+  filter {
+    name   = "name"
+    values = ["amzn2-ami-hvm-2.0.20210427.0-x86_64-gp2"]
+  }
+  filter {
+    name   = "virtualization-type"
+    values = ["hvm"]
+  }
+  owners = ["amazon"] # Canonical
+}
+data "aws_vpc" "default" {
+  default = true
+}
+data "aws_subnet_ids" "default"{
+  vpc_id = data.aws_vpc.default.id
+}
+
+module "AWS_VPC" {
+  source = "./modules/vpc/security_group"
+  tags = {}
+}
+
+module "AWS_EC2_windows" {
+  source = "./modules/aws/ec2/instance"
+  instance_names = ["web1","web2"]
+  instance_type = "t2.micro"
+  image_id = data.aws_ami.windows_2016.id
+  key_name = "m2c.class3"
+  security_groups = [module.AWS_VPC.security_group_id]
+  tags = {}
+  depends_on = [module.AWS_VPC.security_group_id]
+  user_data = templatefile("./modules/aws/ec2/instance/user_data/linux.sh",{} )
+}
+module "AWS_EC2_linux" {
+  source = "./modules/aws/ec2/instance"
+  instance_names = ["green","dot","rocks"]
+  instance_type = "t2.micro"
+  image_id = data.aws_ami.linux.id
+  key_name = "m2c.class3"
+  security_groups = [module.AWS_VPC.security_group_id]
+  tags = {}
+  depends_on = [module.AWS_VPC.security_group_id]
+  user_data = templatefile("./modules/aws/ec2/instance/user_data/linux.sh",{} )
+}
+module "AWS_EC2_elb" {
+  source = "./modules/aws/ec2/elb"
+  security_groups = [module.AWS_VPC.security_group_id]
+  tags = {}
+  instances = concat (
+    tolist([ for instance in module.AWS_EC2_windows.instances: instance.id]),
+    tolist([ for instance in module.AWS_EC2_linux.instances: instance.id])
+  )
+  }
+
+output "security_group" {
+  value = module.AWS_VPC.security_group_id
+}