sftp-1.pkr.hcl

source "googlecompute" "sftp" {
  project_id          = "my-project"
  source_image_family = "debian-10"
  ssh_username        = "packer"
  machine_type        = "n1-standard-2"
  disk_size           = 50
  zone                = "us-east1-d"
  subnetwork          = "default"
  image_name          = "sftp-{{timestamp}}"
}

build {
  sources = ["sources.googlecompute.sftp"]
  provisioner "file" {
    source      = "files/hostkeys.tar.gz"
    destination = "/tmp/hostkeys.tar.gz"
  }
  provisioner "shell" {
    execute_command = "echo 'packer' | sudo -S env {{ .Vars }} {{ .Path }}"
    inline = [
      "tar -zxpf /tmp/hostkeys.tar.gz --directory /etc/ssh/",
      "chown -R root:root /etc/ssh/"
    ]
  }
}