Class: Machinery::ExportTask

Inherits:
Object
  • Object
show all
Defined in:
lib/export_task.rb

Overview

Copyright © 2013-2016 SUSE LLC

This program is free software; you can redistribute it and/or modify it under the terms of version 3 of the GNU General Public License as published by the Free Software Foundation.

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, contact SUSE LLC.

To contact SUSE about this file by physical or electronic mail, you may find current contact information at www.suse.com

Instance Method Summary collapse

Constructor Details

#initialize(exporter) ⇒ ExportTask

Returns a new instance of ExportTask.



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# File 'lib/export_task.rb', line 19

def initialize(exporter)
  @exporter = exporter
end

Instance Method Details

#export(output_dir, options) ⇒ Object 



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# File 'lib/export_task.rb', line 23

def export(output_dir, options)
  @exporter.system_description.assert_scopes("os")

  ["unmanaged_files", "changed_managed_files", "changed_config_files"].each do |scope|
    if @exporter.system_description[scope] &&
        !@exporter.system_description.scope_extracted?(scope)
      raise Machinery::Errors::MissingExtractedFiles.new(@exporter.system_description, [scope])
    end
  end

  output_dir = File.join(output_dir, @exporter.export_name)
  if File.exist?(output_dir)
    if options[:force]
      FileUtils.rm_r(output_dir)
    else
      raise Machinery::Errors::ExportFailed.new(
        "The output directory '#{output_dir}' already exists." \
        " You can force overwriting it with the '--force' option."
      )
    end
  end

  begin
    FileUtils.mkdir_p(output_dir, mode: 0700) unless Dir.exist?(output_dir)
  rescue Errno::EACCES
    raise(Machinery::Errors::ExportFailed, \
          "Permission denied. Directory '#{output_dir}' is not writable")
  end

  if @exporter.system_description["unmanaged_files"]
    filters = File.read(
      File.join(
        Machinery::ROOT,
        "export_helpers/unmanaged_files_#{@exporter.name}_excludes"
      )
    )
    Machinery::Ui.puts(
      "\nUnmanaged files following these patterns are not exported:\n#{filters}\n"
    )
  end

  @exporter.write(output_dir)
  Machinery::Ui.puts "Exported to '#{output_dir}'."
end