class Dodebui::Build

Handles the build process of a package

Attributes

distribution[R]

Public Class Methods

new(distribution) click to toggle source
# File lib/dodebui/build.rb, line 10
def initialize(distribution)
  @distribution = distribution
  @cli = distribution.cli
end

Public Instance Methods

build() click to toggle source
# File lib/dodebui/build.rb, line 120
def build
  build_container_create_start

  build_apt_proxy

  build_dependencies

  build_package

  build_chown

  @container.stop

  @container.remove

  true
rescue RuntimeError => e
  build_error(e)
end
build_apt_proxy() click to toggle source
# File lib/dodebui/build.rb, line 79
def build_apt_proxy
  return if @cli.apt_proxy.nil?
  logger.info("Setting apt_proxy #{@distribution.codename}")
  stdout, stderr, ret_val = @container.exec([
    'bash',
    '-c',
    @distribution.apt_proxy
  ])
  write_log('apt_proxy', stdout, stderr)
  logger.warn(
    "Failed setting apt proxy #{@distribution.codename}"
  ) if ret_val != 0
end
build_chown() click to toggle source
# File lib/dodebui/build.rb, line 93
def build_chown
  uid = Process.uid
  gid = Process.gid
  logger.info(
    'Changing owner of build dir to' \
    " uid=#{uid} gid=#{gid} #{@distribution.codename}"
  )
  stdout, stderr, ret_val = @container.exec([
    'chown',
    '-R',
    format('%d:%d', uid, gid),
    '/_build'
  ])
  write_log('chown', stdout, stderr)
  logger.warn(
    "Failed changing owner of build dir #{@distribution.codename}"
  ) if ret_val != 0
end
build_container_create_start() click to toggle source
# File lib/dodebui/build.rb, line 40
def build_container_create_start
  logger.info("Creating container #{@distribution.codename}")
  @container = Docker::Container.create(
    'Image' => @distribution.image_name,
    'Cmd' => %w(sleep 3600),
    'WorkingDir' => '/_build/source'
  )
  logger.info("Starting container #{@distribution.codename}")
  @container.start('Binds' => [
    "#{build_dir}:/_build"
  ])
end
build_dependencies() click to toggle source
# File lib/dodebui/build.rb, line 53
def build_dependencies
  logger.info("Installing dependencies #{@distribution.codename}")
  stdout, stderr, ret_val = @container.exec([
    '/usr/lib/pbuilder/pbuilder-satisfydepends-aptitude'
  ])
  write_log('apt_install_deps', stdout, stderr)
  if ret_val != 0
    logger.warn("Failed installing dependencies #{@distribution.codename}")
    fail
  end
  logger.info("Finished installing dependencies #{@distribution.codename}")
end
build_dir() click to toggle source
# File lib/dodebui/build.rb, line 149
def build_dir
  File.expand_path(
    File.join(
      @cli.wd,
      '..',
      '_build',
      "#{distribution.os}_#{distribution.codename}"
    )
  )
end
build_error(e) click to toggle source
# File lib/dodebui/build.rb, line 112
def build_error(e)
  logger.warn("Error building #{@distribution.image_name}: #{e}")
  return false if @container.nil?
  logger.warn("Use container id=#{@container.id} to debug")
  @container.stop
  false
end
build_package() click to toggle source
# File lib/dodebui/build.rb, line 66
def build_package
  logger.info("Building package #{@distribution.codename}")
  stdout, stderr, ret_val = @container.exec([
    'dpkg-buildpackage'
  ])
  write_log('build', stdout, stderr)
  if ret_val != 0
    logger.warn("Failed building package #{@distribution.codename}")
    fail
  end
  logger.info("Finished building package #{@distribution.codename}")
end
cache_dir() click to toggle source
# File lib/dodebui/build.rb, line 140
def cache_dir
  File.expand_path(
    File.join(
      '/var/lib/dodebui',
      "#{distribution.os}_#{distribution.codename}"
    )
  )
end
local_expect(desc, *args) click to toggle source
# File lib/dodebui/build.rb, line 15
def local_expect(desc, *args)
  Open3.popen3(*args) do |_i, o, e, t|
    if args[0].is_a? Hash
      cmd = args[1]
    else
      cmd = args[0]
    end
    ret_val = t.value.exitstatus
    if ret_val == 0
      logger.debug("#{desc} (cmd=#{cmd}): succeed")
    else
      output = "Exec failed cmd=#{cmd} ret_val=#{ret_val}"
      output += "stdout=#{o.read} stderr=#{e.read}"
      fail output
    end
  end
end
logger() click to toggle source
# File lib/dodebui/build.rb, line 166
def logger
  @cli.logger
end
source() click to toggle source
# File lib/dodebui/build.rb, line 160
def source
  source_copy
  source_changelog
  source_templates
end
source_changelog() click to toggle source
# File lib/dodebui/build.rb, line 224
def source_changelog
  path = File.join(source_dir, 'debian/changelog')
  logger.debug "Modify changelog file #{path}"
  local_expect(
    'append distribution build to changelog',
    {
      'DEBFULLNAME' => 'Jenkins Autobuilder',
      'DEBEMAIL' => 'jenkins@former03.de'
    },
    source_changelog_dch(path)
  )
end
source_changelog_dch(path) click to toggle source
# File lib/dodebui/build.rb, line 212
def source_changelog_dch(path)
  output = 'dch --changelog %{path} -l "+%{cn_str}%{cn}" -D "%{cn}" '
  output += '--force-distribution '
  output += '"Build a changelog entry for %{cn} %{cn}"'

  output % {
    cn: @distribution.codename,
    cn_str: @distribution.codename_str,
    path: path
  }
end
source_copy() click to toggle source
# File lib/dodebui/build.rb, line 204
def source_copy
  logger.debug "Start copying sources to #{source_dir}"
  FileUtils.mkdir_p build_dir
  FileUtils.rm_rf source_dir
  FileUtils.cp_r @cli.wd, source_dir
  logger.debug "Finished copying sources to #{source_dir}"
end
source_dir() click to toggle source
# File lib/dodebui/build.rb, line 170
def source_dir
  File.join(build_dir, 'source')
end
source_template_eval(path) click to toggle source
# File lib/dodebui/build.rb, line 182
def source_template_eval(path)
  logger.debug "Evaluate template #{path}"
  erb = ERB.new(
    File.read(path),
    nil,
    '-'
  )
  erb.result(source_template_namespace.priv_binding)
end
source_template_namespace() click to toggle source
# File lib/dodebui/build.rb, line 174
def source_template_namespace
  TemplateNamespace.new(
    os: @distribution.os,
    codename: @distribution.codename,
    codename_int: @distribution.codename_int
  )
end
source_templates() click to toggle source
# File lib/dodebui/build.rb, line 192
def source_templates
  return if @cli.source_templates.nil?
  @cli.source_templates.each do |template|
    src = File.join(source_dir, template)
    dest = src[0...-4]
    File.open(dest, 'w') do |file|
      file.write(source_template_eval(src))
    end
    sh "chmod +x #{template}" if template == 'debian/rules'
  end
end
write_log(name, o, e) click to toggle source
# File lib/dodebui/build.rb, line 33
def write_log(name, o, e)
  o_path = File.join(build_dir, "#{name}.stdout.log")
  e_path = File.join(build_dir, "#{name}.stderr.log")
  File.open(o_path, 'w') { |file| file.write(o.join '') }
  File.open(e_path, 'w') { |file| file.write(e.join '') }
end