Class: Puppet::ModuleTool::Applications::Unpacker

Inherits:
Application show all
Defined in:
lib/puppet/module_tool/applications/unpacker.rb

Constant Summary

Constants inherited from Application

Application::DOCPATTERN

Constants included from Util

Util::AbsolutePathPosix, Util::AbsolutePathWindows, Util::DEFAULT_POSIX_MODE, Util::DEFAULT_WINDOWS_MODE

Constants included from Util::POSIX

Util::POSIX::LOCALE_ENV_VARS, Util::POSIX::USER_ENV_VARS

Constants included from Util::SymbolicFileMode

Util::SymbolicFileMode::SetGIDBit, Util::SymbolicFileMode::SetUIDBit, Util::SymbolicFileMode::StickyBit, Util::SymbolicFileMode::SymbolicMode, Util::SymbolicFileMode::SymbolicSpecialToBit

Instance Attribute Summary

Attributes inherited from Application

#command_line, #options

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Application

[], #app_defaults, available_application_names, banner, clear!, clear?, clear_everything_for_tests, #configure_indirector_routes, controlled_run, exit, find, #handle_logdest_arg, #handlearg, #help, #initialize_app_defaults, interrupted?, #log_runtime_environment, #main, #name, option, option_parser_commands, #parse_options, #preinit, restart!, restart_requested?, #run_command, run_mode, #set_log_level, #setup, #setup_logs, stop!, stop_requested?, try_load_class

Methods included from Util

absolute_path?, benchmark, chuser, clear_environment, default_env, deterministic_rand, deterministic_rand_int, exit_on_fail, get_env, get_environment, logmethods, merge_environment, path_to_uri, pretty_backtrace, replace_file, safe_posix_fork, set_env, symbolizehash, thinmark, uri_to_path, which, withenv, withumask

Methods included from Util::POSIX

#get_posix_field, #gid, #idfield, #methodbyid, #methodbyname, #search_posix_field, #uid

Methods included from Util::SymbolicFileMode

#normalize_symbolic_mode, #symbolic_mode_to_int, #valid_symbolic_mode?

Constructor Details

#initialize(filename, options = {}) ⇒ Unpacker

Returns a new instance of Unpacker.



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# File 'lib/puppet/module_tool/applications/unpacker.rb', line 25

def initialize(filename, options = {})
  @filename = Pathname.new(filename)
  super(options)
  @module_path = Pathname(options[:target_dir])
end

Class Method Details

.harmonize_ownership(source, target) ⇒ Object 



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# File 'lib/puppet/module_tool/applications/unpacker.rb', line 16

def self.harmonize_ownership(source, target)
  unless Puppet.features.microsoft_windows?
    source = Pathname.new(source) unless source.respond_to?(:stat)
    target = Pathname.new(target) unless target.respond_to?(:stat)

    FileUtils.chown_R(source.stat.uid, source.stat.gid, target)
  end
end

.unpack(filename, target) ⇒ Object 



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# File 'lib/puppet/module_tool/applications/unpacker.rb', line 9

def self.unpack(filename, target)
  app = self.new(filename, :target_dir => target)
  app.unpack
  app.sanity_check
  app.move_into(target)
end

Instance Method Details

#module_name ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/puppet/module_tool/applications/unpacker.rb', line 77

def module_name
  metadata = JSON.parse((root_dir + 'metadata.json').read)
  name = metadata['name'][/-(.*)/, 1]
end

#move_into(dir) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/puppet/module_tool/applications/unpacker.rb', line 83

def move_into(dir)
  dir = Pathname.new(dir)
  dir.rmtree if dir.exist?
  FileUtils.mv(root_dir, dir)
ensure
  FileUtils.rmtree(tmpdir)
end

#root_dir ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/puppet/module_tool/applications/unpacker.rb', line 63

def root_dir
  return @root_dir if @root_dir

  # Grab the first directory containing a metadata.json file
  metadata_file = Dir["#{tmpdir}/**/metadata.json"].sort_by(&:length)[0]

  if metadata_file
    @root_dir = Pathname.new(metadata_file).dirname
  else
    raise "No valid metadata.json found!"
  end
end

#run ⇒ Object 



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# File 'lib/puppet/module_tool/applications/unpacker.rb', line 31

def run
  unpack
  sanity_check
  module_dir = @module_path + module_name
  move_into(module_dir)

  # Return the Pathname object representing the directory where the
  # module release archive was unpacked the to.
  return module_dir
end

#sanity_check ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Error on symlinks and other junk

API:

  • private



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# File 'lib/puppet/module_tool/applications/unpacker.rb', line 44

def sanity_check
  symlinks = Dir.glob("#{tmpdir}/**/*", File::FNM_DOTMATCH).map { |f| Pathname.new(f) }.select {|p| Puppet::FileSystem.symlink? p}
  tmpdirpath = Pathname.new tmpdir

  symlinks.each do |s|
    Puppet.warning "Symlinks in modules are unsupported. Please investigate symlink #{s.relative_path_from tmpdirpath}->#{Puppet::FileSystem.readlink(s)}."
  end
end

#tmpdir ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Obtain a suitable temporary path for unpacking tarballs

Returns:

  • path to temporary unpacking location

API:

  • private



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# File 'lib/puppet/module_tool/applications/unpacker.rb', line 95

def tmpdir
  @dir ||= Dir.mktmpdir('tmp', Puppet::Forge::Cache.base_path)
end

#unpack ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/puppet/module_tool/applications/unpacker.rb', line 54

def unpack
  begin
    Puppet::ModuleTool::Tar.instance.unpack(@filename.to_s, tmpdir, [@module_path.stat.uid, @module_path.stat.gid].join(':'))
  rescue Puppet::ExecutionFailure => e
    raise RuntimeError, "Could not extract contents of module archive: #{e.message}"
  end
end