src/lib/y2storage/simple_etc_crypttab_entry.rb
# Copyright (c) [2018] SUSE LLC
#
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of version 2 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 LLC about this file by physical or electronic mail, you may
# find current contact information at www.suse.com.
require "y2storage/storage_class_wrapper"
module Y2Storage
# Information about one entry in crypttab
#
# This is a wrapper for Storage::SimpleEtcCrypttabEntry
class SimpleEtcCrypttabEntry
include StorageClassWrapper
wrap_class Storage::SimpleEtcCrypttabEntry
# @!method name
# @return [String] name of the resulting encrypted block device
storage_forward :name
# @!method device
# @return [String] path to the underlying block device (e.g. "/dev/sda1") or a
# specification of a block device via "UUID=" (where the given uuid refers to
# the LUKS device)
storage_forward :device
# @!method password
# @return [String]
storage_forward :password
# @!method crypt_options
# @return [Array<String>]
storage_forward :crypt_options
# Plain device for the crypttab entry
#
# @note It always returns the underlying block device, even when the encryption
# device is indicated by its UUID (which refers to the LUKS device).
#
# @param devicegraph [Devicegraph]
# @return [BlkDevice, nil] nil if the device is not found
def find_device(devicegraph)
device = devicegraph.encryptions.find { |e| e.match_crypttab_spec?(self.device) }
device ||= devicegraph.find_by_any_name(self.device)
device&.is?(:encryption) ? device.blk_device : device
end
end
end