Railsの開発環境。これさえあれば環境が整うVagrantfileを目指して。

Vagrantfile

# Usage
# git clone [email protected]:/dcd421081bdd96b31f3c.git some-project-name
# cd some-project-name
# rm -rf .git && git init
# vim Vagrantfile # if you need
# vagrant up --provision

# 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|
  INTERNAL_RUBY_VERSION = '2.2.2' # Install Ruby version
  INTERNAL_RAILS_VERSION = '4.2.1' # Install Ruby on Rails version

  EXTERNAL_PORT = 3000 # `http://localhost:3000` on your host OS
  INTERNAL_PORT = 3000 # `bundle exec unicorn -p XXXX config/unicorn.rb` on VM

  config.vm.box = "centos65_64bit"
  config.vm.box_url = "https://github.com/2creatives/vagrant-centos/releases/download/v6.5.3/centos65-x86_64-20140116.box"

  config.vm.network "private_network", ip: "192.168.33.95"
  config.vm.network "forwarded_port", guest: INTERNAL_PORT, host: EXTERNAL_PORT

  config.vm.provider "virtualbox" do |vb|
    vb.customize ["modifyvm", :id, "--memory", "1024"]
    vb.customize ["modifyvm", :id, "--natdnsproxy1", "off"]
    vb.customize ["modifyvm", :id, "--natdnshostresolver1", "off"]
  end

  # Share an additional folder to the guest VM. The first argument is
  # the path on the host to the actual folder. The second argument is
  # the path on the guest to mount the folder. And the optional third
  # argument is a set of non-required options.
  # config.vm.synced_folder "../data", "/vagrant_data"
  
  config.vm.provision "shell", :privileged => false, :inline => <<-SHELL
    # --- Update yum packages
    sudo yum update -q -y
    sudo yum upgrade -q -y

    # --- Install PostgreSQL
    if which postgres > /dev/null; then
      sudo yum install -y postgresql-server postgresql-devel
      sudo service postgresql initdb << __CONFIG__
vagrant_development
__CONFIG__
      sudo service postgresql start
      sudo chkconfig postgresql on
    fi

    # --- Install rbenv
    if ! which rbenv > /dev/null; then
      sudo yum install -q -y gcc gcc-c++ make git openssl-devel readline readline-devel
      git clone git://github.com/sstephenson/rbenv.git ~/.rbenv
      echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
      echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
      source ~/.bash_profile

      # --- Install ruby-build and Ruby {INTERNAL_RUBY_VERSION}
      git clone https://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
      rbenv install #{INTERNAL_RUBY_VERSION}
      rbenv global #{INTERNAL_RUBY_VERSION}
    fi

    # --- Install ntpdate
    sudo yum install -q -y ntpdate
    sudo ntpdate ntp.nict.jp

    # --- Install Nginx
    sudo yum install -q -y nginx
    sudo chkconfig --level 35 nginx on

    # --- Install JavaScript runtime(Nodejs)
    sudo yum install -q -y nodejs

    # --- Install gems
    if ! which bundle > /dev/null; then
      gem install bundler
      rbenv rehash
    fi

    # --- Install Rails {INTERNAL_RAILS_VERSION}
    if [ ! -e /vagrant/Gemfile ]; then
      cd /vagrant
      echo "source 'https://rubygems.org'" > Gemfile
      echo "ruby '#{INTERNAL_RUBY_VERSION}'" >> Gemfile
      echo "gem 'rails', '#{INTERNAL_RAILS_VERSION}'" >> Gemfile
      bundle install -j4 --path=vendor/bundle
      bundle exec rails new . -f --database=postgresql
    fi

    if [ ! -e /vagrant/Procfile ]; then
      cd /vagrant
      sed -i -e "s/# gem 'unicorn'/gem 'unicorn'/" Gemfile
      bundle install -j4 --path=vendor/bundle
      echo 'web: bundle exec unicorn -p $PORT -c ./config/unicorn.rb' >> Procfile
      cat << __UNICORN__ > config/unicorn.rb
worker_processes Integer(ENV["WEB_CONCURRENCY"] || 3)
timeout 15
preload_app true

before_fork do |server, worker|
  Signal.trap 'TERM' do
    puts 'Unicorn master intercepting TERM and sending myself QUIT instead'
    Process.kill 'QUIT', Process.pid
  end

  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.connection.disconnect!
end

after_fork do |server, worker|
  Signal.trap 'TERM' do
    puts 'Unicorn worker intercepting TERM and doing nothing. Wait for master to send QUIT'
  end

  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.establish_connection
end
__UNICORN__
    fi
  SHELL
end