source "amazon-ebs" "image_builder" {
  # AWS settings.
  access_key = var.aws_access_key
  secret_key = var.aws_secret_key
  region = var.region

  # Remove previous image before making the new one.
  force_deregister = true
  force_delete_snapshot = true

  # Apply tags to the instance that is building our image.
  run_tags = {
    AppCode = "IMGB-001"
    Name = "packer-builder-for-${var.image_name}-${source.name}"
  }

  # Share the resulting AMI with accounts
  ami_users = "${var.image_users}"

  # Network configuration for the instance building our image.
  associate_public_ip_address = true
  ssh_interface = "public_ip"
  instance_type = "c6a.large"
}

build {
  source "amazon-ebs.image_builder" {
    name = "rhel-8-x86_64"

    # Use a static RHEL 8.5 Cloud Access Image.
    source_ami = "ami-06f1e6f8b3457ae7c"
    ssh_username = "ec2-user"

    # Set a name for the resulting AMI.
    ami_name = "${var.image_name}"

    # Apply tags to the resulting AMI/EBS snapshot.
    tags = {
      AppCode = "IMGB-001"
      Name = "${var.image_name}"
      composer_commit = "${var.composer_commit}"
      osbuild_commit = "${var.osbuild_commit}"
      os = "rhel"
      os_version = "8"
      arch = "x86_64"
    }

    # Ensure that the EBS snapshot used for the AMI meets our requirements.
    launch_block_device_mappings {
      delete_on_termination = "true"
      device_name           = "/dev/sda1"
      volume_size           = 10
      volume_type           = "gp2"
    }
  }

  provisioner "ansible" {
    playbook_file = "${path.root}/ansible/playbook.yml"
    user = build.User
    extra_arguments = [
      "-e", "COMPOSER_COMMIT=${var.composer_commit}",
      "-e", "OSBUILD_COMMIT=${var.osbuild_commit}",
      "--skip-tags", "${var.ansible_skip_tags}",
    ]
  }
}