Vagrant.configure("2") do |config|
  # config.ssh.password is needed for the first time only.
  # config.ssh.* could be commented out after vagrant has replaced insecure key-pair with generated key-pair.
  config.ssh.username = "vagrant"
  config.ssh.password = "vagrant"

  config.vm.box = "debian93docker"

  ######
  # You need to prepare some VirtualBox's network configuration as follows, or manually.
  # (I prefer manually.)
  #
  #config.vm.provider "virtualbox" do |vbox|
  #  vbox.customize ["natnetwork", "add", "--netname", "incubator", "--network", "192.168.77.0/24"]
  #end

  multiple_vm(config, "node01")
  multiple_vm(config, "node02")
end

def multiple_vm(cfg, vmname)
  cfg.vm.define vmname do |node|
    node.vm.provider "virtualbox" do |vbox|
      vbox.name = vmname
      vbox.customize ["modifyvm", vmname, "--nic2", "natnetwork", "--nat-network2", "incubator"]
    end
    node.vm.hostname = vmname
  end
  cfg.vm.provision "shell", path: "activate-nic2-with-debian93minimal.sh"
end