Running Vagrant with inverted NFS directories

vagrant_nfs_inversion.rb

  config.export_nfs.each do |export|
    config.trigger.before :halt, stdout: true do
      mount_point = export[1]
      system("sudo umount -f #{mount_point}")
    end

    config.trigger.after [:up, :reload], stdout: true do
      remote_point = "#{PRIVATE_IP}:#{export[0]}"
      mount_point = export[1]
      puts "mounting #{remote_point} to #{mount_point}"

      unless Dir.exists?(mount_point)
        Dir.mkdir(mount_point)
      end

      8.times do |attempt|
        if system("sudo mount -t nfs -o rw,noatime,intr,nfc #{remote_point} #{mount_point} > /dev/null 2>&1")
          print "done!\n"
          break
        end
        print "."
        sleep(1/0.6**attempt)
      end
    end
  end