plugins/mcollective/pluginpackager/debpackage_packager.rb

   1 module MCollective
   2   module PluginPackager
   3     class DebpackagePackager
   4
   5       require 'erb'
   6       attr_accessor :plugin, :current_package, :tmpdir, :verbose, :libdir
   7       attr_accessor :workingdir, :preinstall, :postinstall, :current_package_type
   8       attr_accessor :current_package_data, :current_package_shortname
   9       attr_accessor :current_package_fullname, :build_dir, :signature
  10
  11       def initialize(plugin, pluginpath = nil, signature = nil, verbose = false)
  12         raise RuntimeError, "package 'debuild' is not installed" unless PluginPackager.build_tool?("debuild")
  13         @plugin = plugin
  14         @verbose = verbose
  15         @libdir = pluginpath || "/usr/share/mcollective/plugins/mcollective/"
  16         @signature = signature
  17         @tmpdir = ""
  18         @build_dir = ""
  19         @targetdir = ""
  20       end
  21
  22       def create_packages
  23         @plugin.packagedata.each do |type, data|
  24           begin
  25             @tmpdir = Dir.mktmpdir("mcollective_packager")
  26             @current_package_type = type
  27             @current_package_data = data
  28             @current_package_shortname = "#{@plugin.mcname}-#{@plugin.metadata[:name]}-#{@current_package_type}"
  29             @current_package_fullname = "#{@plugin.mcname}-#{@plugin.metadata[:name]}-#{@current_package_type}" +
  30                                         "_#{@plugin.metadata[:version]}-#{@plugin.iteration}"
  31
  32             @build_dir = File.join(@tmpdir, "#{@current_package_shortname}_#{@plugin.metadata[:version]}")
  33             Dir.mkdir @build_dir
  34
  35             prepare_tmpdirs data
  36             create_package
  37             move_packages
  38           rescue Exception => e
  39             raise e
  40           ensure
  41             cleanup_tmpdirs
  42           end
  43         end
  44       end
  45
  46       def create_package
  47         begin
  48           ["control", "Makefile", "compat", "rules", "copyright", "changelog"].each do |filename|
  49             create_file(filename)
  50           end
  51           create_tar
  52           create_install
  53           create_preandpost_install
  54
  55           FileUtils.cd @build_dir do |f|
  56             PluginPackager.do_quietly?(@verbose) do
  57               if @signature
  58                 if @signature.is_a? String
  59                   PluginPackager.safe_system "debuild -i -k#{@signature}"
  60                 else
  61                   PluginPackager.safe_system "debuild -i"
  62                 end
  63               else
  64                 PluginPackager.safe_system "debuild -i -us -uc"
  65               end
  66             end
  67           end
  68
  69           puts "Created package #{@current_package_fullname}"
  70         rescue Exception => e
  71           raise RuntimeError, "Could not build package - #{e}"
  72         end
  73       end
  74
  75       def move_packages
  76         begin
  77           FileUtils.cp(Dir.glob(File.join(@tmpdir, "*.{deb,dsc,diff.gz,orig.tar.gz,changes}")), ".")
  78         rescue Exception => e
  79           raise RuntimeError, "Could not copy packages to working directory: '#{e}'"
  80         end
  81       end
  82
  83       def create_preandpost_install
  84         if @plugin.preinstall
  85           raise RuntimeError, "pre-install script '#{@plugin.preinstall}' not found"  unless File.exists?(@plugin.preinstall)
  86           FileUtils.cp(@plugin.preinstall, File.join(@build_dir, 'debian', "#{@current_package_shortname}.preinst"))
  87         end
  88
  89         if @plugin.postinstall
  90           raise RuntimeError, "post-install script '#{@plugin.postinstall}' not found" unless File.exists?(@plugin.postinstall)
  91           FileUtils.cp(@plugin.postinstall, File.join(@build_dir, 'debian', "#{@current_package_shortname}.postinst"))
  92         end
  93
  94       end
  95
  96       def create_install
  97         begin
  98           File.open(File.join(@build_dir, "debian", "#{@current_package_shortname}.install"), "w") do |f|
  99             @current_package_data[:files].each do |filename|
 100               extended_filename = File.join(@libdir, File.expand_path(filename).gsub(/#{File.expand_path(plugin.path)}|\.\//, ''))
 101               f.puts "#{extended_filename} #{File.dirname(extended_filename)}"
 102             end
 103           end
 104         rescue Exception => e
 105           raise RuntimeError, "Could not create install file - #{e}"
 106         end
 107       end
 108
 109       def create_tar
 110         begin
 111           PluginPackager.do_quietly?(@verbose) do
 112             Dir.chdir(@tmpdir) do
 113               PluginPackager.safe_system "tar -Pcvzf #{File.join(@tmpdir,"#{@current_package_shortname}_#{@plugin.metadata[:version]}.orig.tar.gz")} #{@current_package_shortname}_#{@plugin.metadata[:version]}"
 114             end
 115           end
 116         rescue Exception => e
 117           raise "Could not create tarball - #{e}"
 118         end
 119       end
 120
 121       def create_file(filename)
 122         begin
 123           file = ERB.new(File.read(File.join(File.dirname(__FILE__), "templates", "debian", "#{filename}.erb")), nil, "-")
 124           File.open(File.join(@build_dir, "debian", filename), "w") do |f|
 125             f.puts file.result(binding)
 126           end
 127         rescue Exception => e
 128           raise RuntimeError, "could not create #{filename} file - #{e}"
 129         end
 130       end
 131
 132       def prepare_tmpdirs(data)
 133         data[:files].each do |file|
 134           @targetdir = File.join(@build_dir, @libdir, File.dirname(File.expand_path(file)).gsub(@plugin.target_path, ""))
 135           FileUtils.mkdir_p(@targetdir) unless File.directory? @targetdir
 136           FileUtils.cp_r(file, @targetdir)
 137         end
 138
 139         FileUtils.mkdir_p(File.join(@build_dir, "debian"))
 140       end
 141
 142       def cleanup_tmpdirs
 143         FileUtils.rm_r @tmpdir if File.directory? @tmpdir
 144       end
 145     end
 146   end
 147 end