sftp-2.pkr.hcl

build {
  sources = ["sources.googlecompute.sftp"]
  provisioner "file" {
    source      = "files/hostkeys.tar.gz"
    destination = "/tmp/hostkeys.tar.gz"
  }
  # https://github.com/GoogleCloudPlatform/guest-agent#configuration
  # guest-agent overwrites our hostkeys, so we turn that off
  provisioner "file" {
    source      = "files/instance_configs.cfg"
    destination = "/tmp/instance_configs.cfg"
  }
  provisioner "shell" {
    execute_command = "echo 'packer' | sudo -S env {{ .Vars }} {{ .Path }}"
    inline = [
      "mv /tmp/instance_configs.cfg /etc/default/instance_configs.cfg",
      "tar -zxpf /tmp/hostkeys.tar.gz --directory /etc/ssh/",
      "chown -R root:root /etc/ssh/"
    ]
  }
}