Module: Backup::Cleaner

Defined in:
lib/backup/cleaner.rb

Defined Under Namespace

Classes: Error

Class Method Summary collapse

Class Method Details

.prepare(model) ⇒ Object

Logs warnings if any temporary files still exist from the last time this model/trigger was run, then removes the files.



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# File 'lib/backup/cleaner.rb', line 13

def prepare(model)
  messages = []

  packaging_folder = File.join(Config.tmp_path, model.trigger)
  if File.exist?(packaging_folder)
    messages << "      The temporary packaging folder still exists!\n      '\#{ packaging_folder }'\n      It will now be removed.\n    EOS\n    FileUtils.rm_rf(packaging_folder)\n  end\n\n  package_files = package_files_for(model.trigger)\n  unless package_files.empty?\n    # the chances of the packaging folder AND\n    # the package files existing are practically nil\n    messages << ('-' * 74) unless messages.empty?\n\n    messages << <<-EOS\n      The temporary backup folder '\#{ Config.tmp_path }'\n      appears to contain the package files from the previous backup!\n      \#{ package_files.join(\"\\n\") }\n      These files will now be removed.\n    EOS\n    package_files.each {|file| FileUtils.rm_f(file) }\n  end\n\n  unless messages.empty?\n    Logger.warn Error.new(<<-EOS)\n      Cleanup Warning\n      \#{ messages.join(\"\\n\") }\n      Please check the log for messages and/or your notifications\n      concerning this backup: '\#{ model.label } (\#{ model.trigger })'\n      The temporary files which had to be removed should not have existed.\n    EOS\n  end\nend\n"

.remove_package(package) ⇒ Object

Remove the final package files from tmp_path Note: ‘force’ is used, since a Local Storage may move these files.



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# File 'lib/backup/cleaner.rb', line 62

def remove_package(package)
  Logger.info "Cleaning up the package files..."
  package.filenames.each do |file|
    FileUtils.rm_f(File.join(Config.tmp_path, file))
  end
end

.remove_packaging(model) ⇒ Object

Remove the temporary folder used during packaging



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# File 'lib/backup/cleaner.rb', line 54

def remove_packaging(model)
  Logger.info "Cleaning up the temporary files..."
  FileUtils.rm_rf(File.join(Config.tmp_path, model.trigger))
end

.warnings(model) ⇒ Object

Logs warnings if any temporary files still exist when errors occur during the backup



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# File 'lib/backup/cleaner.rb', line 72

def warnings(model)
  messages = []

  packaging_folder = File.join(Config.tmp_path, model.trigger)
  if File.exist?(packaging_folder)
    messages << "      The temporary packaging folder still exists!\n      '\#{ packaging_folder }'\n      This folder may contain completed Archives and/or Database backups.\n    EOS\n  end\n\n  package_files = package_files_for(model.trigger)\n  unless package_files.empty?\n    # the chances of the packaging folder AND\n    # the package files existing are practically nil\n    messages << ('-' * 74) unless messages.empty?\n\n    messages << <<-EOS\n      The temporary backup folder '\#{ Config.tmp_path }'\n      appears to contain the backup files which were to be stored:\n      \#{ package_files.join(\"\\n\") }\n    EOS\n  end\n\n  unless messages.empty?\n    Logger.warn Error.new(<<-EOS)\n      Cleanup Warning\n      \#{ messages.join(\"\\n\") }\n      Make sure you check these files before the next scheduled backup for\n      '\#{ model.label } (\#{ model.trigger })'\n      These files will be removed at that time!\n    EOS\n  end\nend\n"