Make your Vagrantfile pull from a common puppetserver rather than using local modules

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.box = "ubuntu/trusty64"
  config.vm.hostname = "demo.lan"
  config.vm.network "public_network", ip: "192.0.2.1", bridge: "eth0", :use_dhcp_assigned_default_route => true
  config.vm.synced_folder "www", "/var/www"

  config.vm.provider :virtualbox do |vb|
    vb.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
  end

  config.vm.provision "puppet_server" do |puppet|
    puppet.puppet_server = "puppetserver.lan"
    puppet.options = "--enable"
  end

  config.vm.provision "puppet_server" do |puppet|
    puppet.puppet_server = "puppetserver.lan"
    puppet.options = "--debug --verbose --waitforcert 5 --configtimeout 240"
  end

end