README.md

./container.rb Container

Container

name 'chef'

from 'ubuntu'

run 'apt-get install curl -y'

run 'curl -L https://www.opscode.com/chef/install.sh | sudo bash'

container.rb

#!/usr/bin/env ruby
require 'lxc'

class ContainerFile

  attr_reader :ct

  def name(n)
    @ct = LXC::Container.new(n)
  end

  def from(type)
    ct.create(type)
    ct.start
  end

  def run(command)
    ret = ct.attach(wait:true) do
      system(command)
    end
    raise "Faile to execute command #{command}" unless ret == 0
  end

  def cp(src, dest)
    ct_dest = File.join(ct.config_path , ct.name, 'rootfs', dest)
    FileUtils.cp_r(src, ct_dest)
  end
end

if $0 == __FILE__
  unless ARGV.empty?
    f = ContainerFile.new
    f.instance_eval(File.read(ARGV[0]))
  end
end