VagrantでNode.js用ソースディレクトリをunionfs-fuseでマウントするテスト

index.js

var sqlite3 = require('sqlite3');

package.json

{
  "name": "aufs-test",
  "version": "0.0.0",
  "description": "",
  "author": "",
  "main": "index.js",
  "license": "",
  "dependencies": {
    "sqlite3": "^3.1.0"
  }
}

Vagrantfile

Vagrant.configure(2) do |config|
  config.vm.box = 'ubuntu/trusty64'
  config.vm.provision 'shell', inline: <<-SCRIPT
    curl -sL https://deb.nodesource.com/setup_4.x | bash
    apt-get upgrade -y
    apt-get install -y nodejs build-essential unionfs-fuse
  SCRIPT
  config.vm.provision 'shell', privileged: false, inline: <<-SCRIPT
    mkdir ~/.src ~/src
    unionfs-fuse -o cow ~/.src=RW:/vagrant=RO ~/src
    cd ~/src; npm install; npm rebuild
  SCRIPT
  config.vm.provision 'shell', run: 'always', privileged: false, inline: <<-SCRIPT
    fusermount -u ~/src || true
    unionfs-fuse -o cow ~/.src=RW:/vagrant=RO ~/src
  SCRIPT
end