Docker-Machine with VPN

Vagrantfile

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

required_plugins = %w( vagrant-triggers vagrant-persistent-storage )
required_plugins.each do |plugin|
  system "vagrant plugin install #{plugin}" unless Vagrant.has_plugin? plugin
end

IP = "192.168.50.4"
NAME = "default"
VPN_GROUP = "Dev"
VPN_USER = "XXX"
VPN_SERVER = "XXX"

Vagrant.configure(2) do |config|
  config.vm.box = "ubuntu/trusty64"
  config.vm.network "private_network", ip: IP, nictype: "virtio"
  config.vm.provider "virtualbox" do |v|
    v.name = "docker"
    v.customize ["modifyvm", :id, "--cpuexecutioncap", "50"]
  end

  config.persistent_storage.enabled = true
  config.persistent_storage.location = ".vagrant/docker.vdi"
  config.persistent_storage.size = 500 * 1024
  config.persistent_storage.mountname = 'docker'
  config.persistent_storage.filesystem = 'ext4'
  config.persistent_storage.mountpoint = '/var/lib/docker'
  config.persistent_storage.use_lvm = false
  config.persistent_storage.mountoptions = ['noatime' ,'nobarrier']

  config.trigger.after :destroy do
    info "Removing Machine from Docker-Machine"
    run "docker-machine rm #{NAME}"
  end

  config.trigger.after :up do
    info "Adding Machine to Docker-Machine"
    run "docker-machine create -d generic --generic-ssh-user vagrant --generic-ssh-key .vagrant/machines/default/virtualbox/private_key --generic-ip-address #{IP} #{NAME}"
  end

  config.vm.provision "shell", inline: <<SCRIPT
    echo I am provisioning...
    date > /etc/vagrant_provisioned_at
    apt-get update
    apt-get install -y openconnect
    echo "#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

echo #{VPN.password()} | openconnect -u #{VPN_USER} --authgroup #{VPN_GROUP} --passwd-on-stdin -b #{VPN_SERVER}
exit 0" > /etc/rc.local
/etc/init.d/rc.local start
SCRIPT

end

module VPN
  def self.password
    begin
      system 'stty -echo'
      print 'VPN Password: '
      ; pass = $stdin.gets.chomp; puts "\n"
    ensure
      system 'stty echo'
    end
    pass
  end
end