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#!/usr/bin/env ruby
# Create the vagrant-lxc sudo-wrapper from the template.
# Roughly taken from lib/vagrant-lxc/command/sudoers.rb
#
# Michael Adam <obnox@samba.org>
require 'tempfile'
require "vagrant/util/template_renderer"
class CreateWrapper
class << self
def run!(argv)
raise "Argument missing" unless(argv)
template_root = argv.shift
wrapper_dst = "./vagrant-lxc-wrapper"
wrapper_tmp = create_wrapper!(template_root)
system "cp #{wrapper_tmp} #{wrapper_dst}"
puts "#{wrapper_dst} created"
end
private
# This requires vagrant 1.5.2+
# https://github.com/mitchellh/vagrant/commit/3371c3716278071680af9b526ba19235c79c64cb
def create_wrapper!(template_root)
wrapper = Tempfile.new('lxc-wrapper').tap do |file|
template = Vagrant::Util::TemplateRenderer.new(
'sudoers.rb',
#:template_root => Vagrant::LXC.source_root.join('templates').to_s,
#:template_root => "/usr/share/vagrant/gems/gems/vagrant-lxc-1.1.0/templates",
:template_root => template_root,
:cmd_paths => build_cmd_paths_hash,
#:pipework_regex => "#{ENV['HOME']}/\.vagrant\.d/gems/gems/vagrant-lxc.+/scripts/pipework"
:pipework_regex => "/usr/share/vagrant/gems/gems/vagrant-lxc.+/scripts/pipework"
)
file.puts template.render
end
wrapper.close
wrapper.path
end
# for fedora, we know that all these commands
# are found in /usr/bin ...
def build_cmd_paths_hash
{}.tap do |hash|
%w( which cat mkdir cp chown chmod rm tar chown ip ifconfig brctl ).each do |cmd|
#hash[cmd] = `which #{cmd}`.strip
hash[cmd] = "/usr/bin/#{cmd}"
end
#hash['lxc_bin'] = Pathname(`which lxc-create`.strip).parent.to_s
hash['lxc_bin'] = "/usr/bin"
end
end
end
end
CreateWrapper.run!(ARGV)
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