Vagrant file exerpts showing hosts editing

Vagrantfile

##############
# Box Config #
##############

# Specify any plugins you want installed on every `vagrant up` run
# You need the hostsupdated plugin, but the others are useful too.
required_plugins = %w(vagrant-hostsupdater vagrant-vbguest vagrant-triggers)

plugins_to_install = required_plugins.select { |plugin| not Vagrant.has_plugin? plugin }
if not plugins_to_install.empty?
  puts "Installing plugins: #{plugins_to_install.join(' ')}"
  if system "vagrant plugin install #{plugins_to_install.join(' ')}"
    exec "vagrant #{ARGV.join(' ')}"
  else
    abort "Installation of one or more plugins has failed. Aborting."
  end
end


Vagrant.configure("2") do |config|

    # [...] Typical config goes here
  
    # Update hosts file
    config.vm.hostname = "primarydomain"
    config.hostsupdater.aliases = ["aliasdomain_1", "aliasdomain_2", "aliasdomain_n-1", "aliasdomain_n"]
  
    # [...] Typical config goes here
  
    # Load bootstrap shell script into vm
    config.vm.provision :shell, :path => "config/bootstrap.sh"

  
end