Mengimpor & Membaca Berkas Konfigurasi Eksternal

resource "aws_key_pair" "deployer" {
  key_name   = "deployer-key"
  public_key = file("${path.module}/keys/id_rsa.pub")
}

resource "aws_iam_policy" "s3_read_policy" {
  name        = "S3ReadOnlyAccessPolicy"
  description = "Kebijakan akses baca S3"
  policy      = file("${path.module}/policies/s3-readonly-policy.json")
}

#!/bin/bash
apt-get update -y
apt-get install -y nginx

# Menyuntikkan variabel dinamis dari Terraform
echo "Server Role: ${server_role}" > /var/www/html/index.html
echo "Database Host: ${db_endpoint}" >> /var/www/html/index.html
echo "Port: ${app_port}" >> /var/www/html/index.html

systemctl restart nginx

resource "aws_instance" "web" {
  ami           = "ami-0df7a207adb9748c7"
  instance_type = "t2.micro"

  # Mengimpor template skrip dengan menyuntikkan parameter nilai:
  user_data = templatefile("${path.module}/scripts/user_data.sh.tftpl", {
    server_role = "Frontend-Worker"
    db_endpoint = aws_db_instance.my_database.endpoint
    app_port    = 8080
  })
}

data "aws_ami" "latest_ubuntu" {
  most_recent = true
  owners      = ["099720109477"] # ID Resmi Canonical (Pembuat Ubuntu)

  filter {
    name   = "name"
    values = ["ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-amd64-server-*"]
  }

  filter {
    name   = "virtualization-type"
    values = ["hvm"]
  }
}

# Gunakan data source tersebut langsung pada instance EC2:
resource "aws_instance" "web" {
  ami           = data.aws_ami.latest_ubuntu.id
  instance_type = "t2.micro"
}

data "aws_vpc" "default_vpc" {
  default = true
}

output "default_vpc_id" {
  value = data.aws_vpc.default_vpc.id
}