Vagrantfile for Dynamic MultMachine

vagrantfile.rb

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

# default constants
TIME = Time.now.strftime('%Y%m%d%H%M%S')
CONFIGFILE_HOSTS = './config/hosts'
VAGRANT_BOX = 'bento/ubuntu-14.04'

# build hosts hash
hosts = {} 
File.readlines(CONFIGFILE_HOSTS).map(&:chomp).each do |line|
  ipaddr, hostname = line.split(/\s+/)             # only grab first two columns
  hosts[hostname] = ipaddr                         # store in hash
  PRIMARY_SYSTEM = hostname if (line =~ /primary/) # match primary
end

Vagrant.configure('2') do |config|
  hosts.each do |hostname, ipaddr|
    default = if hostname == PRIMARY_SYSTEM then true else false end
    config.vm.define hostname, primary: default do |node|
      node.vm.box = VAGRANT_BOX
      node.vm.hostname = hostname
      node.vm.network 'private_network', ip: ipaddr
      node.vm.provider('virtualbox') { |vbox| vbox.name = "#{hostname}_#{TIME}" }
    end
  end
end