diff options
Diffstat (limited to 'scripts/lib/wic/plugins/source/rawcopy.py')
| -rw-r--r-- | scripts/lib/wic/plugins/source/rawcopy.py | 117 |
1 files changed, 72 insertions, 45 deletions
diff --git a/scripts/lib/wic/plugins/source/rawcopy.py b/scripts/lib/wic/plugins/source/rawcopy.py index e0b11f95ad..ccf332554e 100644 --- a/scripts/lib/wic/plugins/source/rawcopy.py +++ b/scripts/lib/wic/plugins/source/rawcopy.py @@ -1,27 +1,21 @@ -# ex:ts=4:sw=4:sts=4:et -# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- # -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 as -# published by the Free Software Foundation. +# Copyright OpenEmbedded Contributors # -# 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, write to the Free Software Foundation, Inc., -# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# SPDX-License-Identifier: GPL-2.0-only # +import logging import os +import signal +import subprocess -from wic import msger +from wic import WicError from wic.pluginbase import SourcePlugin -from wic.utils.oe.misc import exec_cmd, get_bitbake_var +from wic.misc import exec_cmd, get_bitbake_var from wic.filemap import sparse_copy +logger = logging.getLogger('wic') + class RawCopyPlugin(SourcePlugin): """ Populate partition content from raw image file. @@ -29,24 +23,47 @@ class RawCopyPlugin(SourcePlugin): name = 'rawcopy' - @classmethod - def do_install_disk(cls, disk, disk_name, cr, workdir, oe_builddir, - bootimg_dir, kernel_dir, native_sysroot): - """ - Called after all partitions have been prepared and assembled into a - disk image. Do nothing. - """ - pass + @staticmethod + def do_image_label(fstype, dst, label): + # don't create label when fstype is none + if fstype == 'none': + return - @classmethod - def do_configure_partition(cls, part, source_params, cr, cr_workdir, - oe_builddir, bootimg_dir, kernel_dir, - native_sysroot): - """ - Called before do_prepare_partition(). Possibly prepare - configuration files of some sort. - """ - pass + if fstype.startswith('ext'): + cmd = 'tune2fs -L %s %s' % (label, dst) + elif fstype in ('msdos', 'vfat'): + cmd = 'dosfslabel %s %s' % (dst, label) + elif fstype == 'btrfs': + cmd = 'btrfs filesystem label %s %s' % (dst, label) + elif fstype == 'swap': + cmd = 'mkswap -L %s %s' % (label, dst) + elif fstype in ('squashfs', 'erofs'): + raise WicError("It's not possible to update a %s " + "filesystem label '%s'" % (fstype, label)) + else: + raise WicError("Cannot update filesystem label: " + "Unknown fstype: '%s'" % (fstype)) + + exec_cmd(cmd) + + @staticmethod + def do_image_uncompression(src, dst, workdir): + def subprocess_setup(): + # Python installs a SIGPIPE handler by default. This is usually not what + # non-Python subprocesses expect. + # SIGPIPE errors are known issues with gzip/bash + signal.signal(signal.SIGPIPE, signal.SIG_DFL) + + extension = os.path.splitext(src)[1] + decompressor = { + ".bz2": "bzip2", + ".gz": "gzip", + ".xz": "xz" + }.get(extension) + if not decompressor: + raise WicError("Not supported compressor filename extension: %s" % extension) + cmd = "%s -dc %s > %s" % (decompressor, src, dst) + subprocess.call(cmd, preexec_fn=subprocess_setup, shell=True, cwd=workdir) @classmethod def do_prepare_partition(cls, part, source_params, cr, cr_workdir, @@ -56,32 +73,42 @@ class RawCopyPlugin(SourcePlugin): Called to do the actual content population for a partition i.e. it 'prepares' the partition to be incorporated into the image. """ - if not bootimg_dir: - bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE") - if not bootimg_dir: - msger.error("Couldn't find DEPLOY_DIR_IMAGE, exiting\n") + if not kernel_dir: + kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE") + if not kernel_dir: + raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting") - msger.debug('Bootimg dir: %s' % bootimg_dir) + logger.debug('Kernel dir: %s', kernel_dir) if 'file' not in source_params: - msger.error("No file specified\n") - return + raise WicError("No file specified") - src = os.path.join(bootimg_dir, source_params['file']) - dst = os.path.join(cr_workdir, "%s.%s" % (source_params['file'], part.lineno)) + if 'unpack' in source_params: + img = os.path.join(kernel_dir, source_params['file']) + src = os.path.join(cr_workdir, os.path.splitext(source_params['file'])[0]) + RawCopyPlugin.do_image_uncompression(img, src, cr_workdir) + else: + src = os.path.join(kernel_dir, source_params['file']) + + dst = os.path.join(cr_workdir, "%s.%s" % (os.path.basename(source_params['file']), part.lineno)) + + if not os.path.exists(os.path.dirname(dst)): + os.makedirs(os.path.dirname(dst)) if 'skip' in source_params: - sparse_copy(src, dst, skip=source_params['skip']) + sparse_copy(src, dst, skip=int(source_params['skip'])) else: sparse_copy(src, dst) # get the size in the right units for kickstart (kB) du_cmd = "du -Lbks %s" % dst out = exec_cmd(du_cmd) - filesize = out.split()[0] + filesize = int(out.split()[0]) - if int(filesize) > int(part.size): + if filesize > part.size: part.size = filesize - part.source_file = dst + if part.label: + RawCopyPlugin.do_image_label(part.fstype, dst, part.label) + part.source_file = dst |