Class: PDK::Module::Convert

Inherits:
Object
  • Object
show all
Defined in:
lib/pdk/module/convert.rb

Direct Known Subclasses

Update

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(module_dir, options = {}) ⇒ Convert

Returns a new instance of Convert.



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# File 'lib/pdk/module/convert.rb', line 14

def initialize(module_dir, options = {})
  @module_dir = module_dir
  @options = options
end

Instance Attribute Details

#module_dir ⇒ Object (readonly)

Returns the value of attribute module_dir.



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# File 'lib/pdk/module/convert.rb', line 10

def module_dir
  @module_dir
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/pdk/module/convert.rb', line 12

def options
  @options
end

Class Method Details

.invoke(module_dir, options) ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 6

def self.invoke(module_dir, options)
  new(module_dir, options).run
end

Instance Method Details

#add_tests! ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 121

def add_tests!
  update_manager.clear!
  stage_tests!(update_manager)

  if update_manager.changes?
    update_manager.sync_changes!
    print_summary
  else
    PDK::Report.default_target.puts('No test changes required.')
  end
end

#add_tests? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdk/module/convert.rb', line 78

def add_tests?
  options[:'add-tests']
end

#adding_tests? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdk/module/convert.rb', line 82

def adding_tests?
  add_tests? && missing_tests?
end

#available_test_generators ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 90

def available_test_generators
  # Only select generators which can run and have no pre-existing files
  test_generators.select do |gen|
    if gen.can_run?
      gen.template_files.none? { |_, dst_path| PDK::Util::Filesystem.exist?(File.join(gen.context.root_path, dst_path)) }
    else
      false
    end
  end
end

#convert? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdk/module/convert.rb', line 19

def convert?
  instance_of?(PDK::Module::Convert)
end

#force? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdk/module/convert.rb', line 74

def force?
  options[:force]
end

#full_report(path) ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 272

def full_report(path)
  require 'pdk/report'

  report = ["/* Report generated by PDK at #{Time.now} */"]
  report.concat(update_manager.changes[:modified].map { |_, diff| "\n\n\n#{diff}" })
  PDK::Util::Filesystem.write_file(path, report.join)
  PDK::Report.default_target.puts("\nYou can find a report of differences in %{path}.\n\n" % { path: path })
end

#generate_banner(text, width = 80) ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 281

def generate_banner(text, width = 80)
  padding = width - text.length
  banner = ''
  padding_char = '-'

  (padding / 2.0).ceil.times { banner << padding_char }
  banner << text
  (padding / 2.0).floor.times { banner << padding_char }

  banner
end

#missing_tests? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdk/module/convert.rb', line 86

def missing_tests?
  !available_test_generators.empty?
end

#noop? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdk/module/convert.rb', line 70

def noop?
  options[:noop]
end

#print_result(banner_text) ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 264

def print_result(banner_text)
  require 'pdk/report'

  PDK::Report.default_target.puts("\n%{banner}" % { banner: generate_banner(banner_text, 40) })
  summary_to_print = summary.map { |k, v| "#{v.length} files #{k}" unless v.empty? }.compact
  PDK::Report.default_target.puts("\n%{summary}\n\n" % { summary: "#{summary_to_print.join(', ')}." })
end

#print_summary ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 248

def print_summary
  require 'pdk/report'

  footer = false

  summary.keys.each do |category|
    next if summary[category].empty?

    PDK::Report.default_target.puts("\n%{banner}" % { banner: generate_banner("Files to be #{category}", 40) })
    PDK::Report.default_target.puts(summary[category])
    footer = true
  end

  PDK::Report.default_target.puts("\n%{banner}" % { banner: generate_banner('', 40) }) if footer
end

#run ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 23

def run
  stage_changes!

  unless update_manager.changes?
    if adding_tests?
      add_tests!
      print_result 'Convert completed'
    else
      require 'pdk/report'

      PDK::Report.default_target.puts('No changes required.')
    end

    return
  end

  print_summary

  full_report('convert_report.txt') unless update_manager.changes[:modified].empty?

  return if noop?

  unless force?
    require 'pdk/cli/util'

    PDK.logger.info 'Module conversion is a potentially destructive action. ' \
                    'Ensure that you have committed your module to a version control ' \
                    'system or have a backup, and review the changes above before continuing.'
    continue = PDK::CLI::Util.prompt_for_yes('Do you want to continue and make these changes to your module?')
    return unless continue
  end

  # Remove these files straight away as these changes are not something
  # that the user needs to review.
  update_manager.unlink_file('Gemfile.lock')
  update_manager.unlink_file(File.join('.bundle', 'config'))

  update_manager.sync_changes!

  require 'pdk/util/bundler'
  PDK::Util::Bundler.ensure_bundle!

  add_tests! if adding_tests?

  print_result 'Convert completed'
end

#stage_changes!(context = PDK.context) ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 133

def stage_changes!(context = PDK.context)
  require 'pdk/util/filesystem'

  metadata_path = File.join(module_dir, 'metadata.json')

  PDK::Template.with(template_uri, context) do |template_dir|
    new_metadata = update_metadata(metadata_path, template_dir.metadata)
    if options[:noop] && new_metadata.nil?
      update_manager.add_file(metadata_path, '')
    elsif PDK::Util::Filesystem.file?(metadata_path)
      update_manager.modify_file(metadata_path, new_metadata.to_json)
    else
      update_manager.add_file(metadata_path, new_metadata.to_json)
    end

    # new_metadata == nil when creating a new module but with --noop@
    module_name = new_metadata.nil? ? 'new-module' : new_metadata.data['name']
    metadata_for_render = new_metadata.nil? ? {} : new_metadata.data

    template_dir.render_new_module(module_name, metadata_for_render) do |relative_file_path, file_content, file_status|
      absolute_file_path = File.join(module_dir, relative_file_path)
      case file_status
      when :unmanage
        PDK.logger.debug("skipping '%{path}'" % { path: absolute_file_path })
      when :delete
        update_manager.remove_file(absolute_file_path)
      when :init
        if convert? && !PDK::Util::Filesystem.exist?(absolute_file_path)
          update_manager.add_file(absolute_file_path, file_content)
        end
      when :manage
        if PDK::Util::Filesystem.exist?(absolute_file_path)
          update_manager.modify_file(absolute_file_path, file_content)
        else
          update_manager.add_file(absolute_file_path, file_content)
        end
      end
    end
  end
rescue ArgumentError => e
  raise PDK::CLI::ExitWithError, e
end

#stage_tests!(manager) ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 114

def stage_tests!(manager)
  available_test_generators.each do |gen|
    gen.stage_changes(manager)
  end
  manager
end

#summary ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 229

def summary
  summary = {}
  update_manager.changes.each do |category, update_category|
    if update_category.respond_to?(:keys)
      updated_files = update_category.keys
    else
      begin
        updated_files = update_category.map { |file| file[:path] }
      rescue TypeError
        updated_files = update_category.to_a
      end
    end

    summary[category] = updated_files
  end

  summary
end

#template_uri ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 182

def template_uri
  require 'pdk/util/template_uri'

  @template_uri ||= PDK::Util::TemplateURI.new(options)
end

#test_generators(context = PDK.context) ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 101

def test_generators(context = PDK.context)
  return @test_generators unless @test_generators.nil?
  require 'pdk/util/puppet_strings'

  test_gens = PDK::Util::PuppetStrings.all_objects.map do |generator, objects|
    (objects || []).map do |obj|
      generator.new(context, obj['name'], spec_only: true)
    end
  end

  @test_generators = test_gens.flatten
end

#update_manager ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 176

def update_manager
  require 'pdk/module/update_manager'

  @update_manager ||= PDK::Module::UpdateManager.new
end

#update_metadata(metadata_path, template_metadata) ⇒ Object 



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# File 'lib/pdk/module/convert.rb', line 188

def update_metadata(metadata_path, template_metadata)
  require 'pdk/generate/module'
  require 'pdk/util/filesystem'
  require 'pdk/module/metadata'

  if PDK::Util::Filesystem.file?(metadata_path)
    unless PDK::Util::Filesystem.readable?(metadata_path)
      raise PDK::CLI::ExitWithError, 'Unable to update module metadata; %{path} exists but it is not readable.' % {
        path: metadata_path,
      }
    end

    begin
      metadata = PDK::Module::Metadata.from_file(metadata_path)
      new_values = PDK::Module::Metadata::DEFAULTS.select do |key, _|
        !metadata.data.key?(key) || metadata.data[key].nil? ||
          (key == 'requirements' && metadata.data[key].empty?)
      end
      metadata.update!(new_values)
    rescue ArgumentError
      metadata = PDK::Generate::Module.prepare_metadata(options) unless options[:noop]
    end
  elsif PDK::Util::Filesystem.exist?(metadata_path)
    raise PDK::CLI::ExitWithError, 'Unable to update module metadata; %{path} exists but it is not a file.' % {
      path: metadata_path,
    }
  else
    return if options[:noop]

    project_dir = File.basename(Dir.pwd)
    options[:module_name] = project_dir.split('-', 2).compact[-1]
    options[:prompt] = false
    options[:'skip-interview'] = true if options[:force]

    metadata = PDK::Generate::Module.prepare_metadata(options)
  end

  metadata.update!(template_metadata)
  metadata
end