VAGRANTFILE_API_VERSION = "2"
 
cluster = {
  "node1" => { :ip => "10.0.0.10", :cpus => 1, :mem => 1024 },
  "node2" => { :ip => "10.0.0.20", :cpus => 1, :mem => 1024 },
  "node3" => { :ip => "10.0.0.30", :cpus => 1, :mem => 1024 }
}
 
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
 
  cluster.each_with_index do |(hostname, info), index|
 
    config.vm.define hostname do |cfg|

      cfg.vm.provider :virtualbox do |vb, override|
        config.vm.box = "debian/buster64"
        override.vm.network :private_network, ip: "#{info[:ip]}"
        override.vm.hostname = hostname
        vb.name = hostname
        vb.customize ["modifyvm", :id, "--memory", info[:mem], "--cpus", info[:cpus], "--hwvirtex", "on"]

        file_to_disk = 'data/' + hostname + '-disk.vdi'
        unless File.exist?(file_to_disk)
          vb.customize ['createhd', 
                        '--filename', file_to_disk, 
                        '--size', 5 * 1024]
        end
        vb.customize ['storageattach', :id, 
                      '--storagectl', 'SATA Controller', 
                      '--port', 1, 
                      '--device', 0, 
                      '--type', 'hdd', 
                      '--medium', file_to_disk]

      end # end provider
      
      config.vm.provision 'shell', path: './data/allnodes.sh'
      config.vm.provision :hosts, :sync_hosts => true
      
      node_script = './data/' + hostname + '.sh'
      if File.exists?(node_script) then
        config.vm.provision "file", source: node_script, destination: "$HOME/"
      else
        config.vm.provision "shell", inline: "echo SCRIPT not found!"
      end
    
    end # end config
 
  end # end cluster
end