generic-poky/scripts/lib/mic/imager/fs.py

100 lines
3.4 KiB
Python

#!/usr/bin/python -tt
#
# Copyright (c) 2011 Intel, Inc.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; version 2 of the License
#
# 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., 59
# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import os
from mic import msger
from mic.utils import runner, misc
from mic.utils.errors import CreatorError
from mic.utils.fs_related import find_binary_path
from mic.imager.baseimager import BaseImageCreator
class FsImageCreator(BaseImageCreator):
def __init__(self, cfgmgr = None, pkgmgr = None):
self.zips = {
"tar.bz2" : ""
}
BaseImageCreator.__init__(self, cfgmgr, pkgmgr)
self._fstype = None
self._fsopts = None
self._include_src = False
def package(self, destdir = "."):
ignores = ["/dev/fd",
"/dev/stdin",
"/dev/stdout",
"/dev/stderr",
"/etc/mtab"]
if not os.path.exists(destdir):
os.makedirs(destdir)
if self._recording_pkgs:
self._save_recording_pkgs(destdir)
if not self.pack_to:
fsdir = os.path.join(destdir, self.name)
misc.check_space_pre_cp(self._instroot, destdir)
msger.info("Copying %s to %s ..." % (self._instroot, fsdir))
runner.show(['cp', "-af", self._instroot, fsdir])
for exclude in ignores:
if os.path.exists(fsdir + exclude):
os.unlink(fsdir + exclude)
self.outimage.append(fsdir)
else:
(tar, comp) = os.path.splitext(self.pack_to)
try:
tarcreat = {'.tar': '-cf',
'.gz': '-czf',
'.bz2': '-cjf',
'.tgz': '-czf',
'.tbz': '-cjf'}[comp]
except KeyError:
raise CreatorError("Unsupported comression for this image type:"
" '%s', try '.tar', '.tar.gz', etc" % comp)
dst = os.path.join(destdir, self.pack_to)
msger.info("Pack rootfs to %s. Please wait..." % dst)
tar = find_binary_path('tar')
tar_cmdline = [tar, "--numeric-owner",
"--preserve-permissions",
"--preserve-order",
"--one-file-system",
"--directory",
self._instroot]
for ignore_entry in ignores:
if ignore_entry.startswith('/'):
ignore_entry = ignore_entry[1:]
tar_cmdline.append("--exclude=%s" % (ignore_entry))
tar_cmdline.extend([tarcreat, dst, "."])
rc = runner.show(tar_cmdline)
if rc:
raise CreatorError("Failed compress image with tar.bz2. "
"Cmdline: %s" % (" ".join(tar_cmdline)))
self.outimage.append(dst)