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# -*- mode: ruby -*-
# vi: set ft=ruby :
#
# Tails: The Amnesic Incognito Live System
# Copyright © 2012 Tails developers <tails@boum.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
require 'rubygems'
require 'vagrant'
require 'uri'
# Path to the directory which holds our Vagrantfile
VAGRANT_PATH = File.expand_path('../vagrant', __FILE__)
# Environment variables that will be exported to the build script
EXPORTED_VARIABLES = ['http_proxy', 'MKSQUASHFS_OPTIONS']
task :validate_http_proxy do
if ENV['http_proxy']
proxy_host = URI.parse(ENV['http_proxy']).host
if proxy_host.nil?
ENV['http_proxy'] = nil
$stderr.puts "Ignoring invalid HTTP proxy."
return
end
if ['localhost', '[::1]'].include?(proxy_host) || proxy_host.start_with?('127.0.0.')
abort 'Using an HTTP proxy listening on the loopback is doomed to fail. Aborting.'
end
$stderr.puts "Using HTTP proxy: #{ENV['http_proxy']}"
else
$stderr.puts "No HTTP proxy set."
end
end
desc 'Build Tails'
task :build => ['validate_http_proxy', 'vm:up'] do
exported_env = EXPORTED_VARIABLES.select { |k| ENV[k] }.
collect { |k| "#{k}='#{ENV[k]}'" }.join(' ')
env = Vagrant::Environment.new(:cwd => VAGRANT_PATH)
status = env.primary_vm.channel.execute("#{exported_env} build-tails",
:error_check => false) do |fd, data|
(fd == :stdout ? $stdout : $stderr).write data
end
exit status
end
namespace :vm do
desc 'Start the build virtual machine'
task :up => 'validate_http_proxy' do
env = Vagrant::Environment.new(:cwd => VAGRANT_PATH, :ui_class => Vagrant::UI::Basic)
case env.primary_vm.state
when :not_created
$stderr.puts <<-END_OF_MESSAGE.gsub(/^ /, '')
This is the first time that the Tails builder virtual machine is
started. The virtual machine template is about 300 MB to download,
so the process might take some time.
Please remember to shut the virtual machine down once your work on
Tails in done:
$ rake vm:halt
END_OF_MESSAGE
when :poweroff
$stderr.puts <<-END_OF_MESSAGE.gsub(/^ /, '')
Starting Tails builder virtual machine. This might take a short while.
Please remember to shut it down once your work on Tails in done:
$ rake vm:halt
END_OF_MESSAGE
end
result = env.cli('up')
abort "'vagrant up' failed" unless result
end
desc 'Stop the build virtual machine'
task :halt do
env = Vagrant::Environment.new(:cwd => VAGRANT_PATH, :ui_class => Vagrant::UI::Basic)
result = env.cli('halt')
abort "'vagrant halt' failed" unless result
end
desc 'Re-run virtual machine setup'
task :provision => 'validate_http_proxy' do
env = Vagrant::Environment.new(:cwd => VAGRANT_PATH, :ui_class => Vagrant::UI::Basic)
result = env.cli('provision')
abort "'vagrant provision' failed" unless result
end
desc 'Destroy build virtual machine (clean up all files)'
task :destroy do
env = Vagrant::Environment.new(:cwd => VAGRANT_PATH, :ui_class => Vagrant::UI::Basic)
result = env.cli('destroy', '--force')
abort "'vagrant destroy' failed" unless result
end
end
namespace :basebox do
task :create_preseed_cfg => 'validate_http_proxy' do
require 'erb'
preseed_cfg_path = File.expand_path('../vagrant/definitions/squeeze/preseed.cfg', __FILE__)
template = ERB.new(File.read("#{preseed_cfg_path}.erb"))
File.open(preseed_cfg_path, 'w') do |f|
f.write template.result
end
end
desc 'Create virtual machine template (a.k.a. basebox)'
task :create_basebox => [:create_preseed_cfg] do
# veewee is pretty stupid regarding path handling
Dir.chdir(VAGRANT_PATH) do
require 'veewee'
# Veewee assumes a separate process for each task. So we mimic that.
env = Vagrant::Environment.new(:ui_class => Vagrant::UI::Basic)
Process.fork do
env.cli('basebox', 'build', 'squeeze')
end
Process.wait
abort "Building the basebox failed (exit code: #{$?.exitstatus})." if $?.exitstatus != 0
Process.fork do
env.cli('basebox', 'validate', 'squeeze')
end
Process.wait
abort "Validating the basebox failed (exit code: #{$?.exitstatus})." if $?.exitstatus != 0
Process.fork do
env.cli('basebox', 'export', 'squeeze')
end
Process.wait
abort "Exporting the basebox failed (exit code: #{$?.exitstatus})." if $?.exitstatus != 0
end
end
end
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