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Diffstat (limited to 'scripts/lib/wic/imager/baseimager.py')
| -rw-r--r-- | scripts/lib/wic/imager/baseimager.py | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/scripts/lib/wic/imager/baseimager.py b/scripts/lib/wic/imager/baseimager.py deleted file mode 100644 index 1a52dd8b4d..0000000000 --- a/scripts/lib/wic/imager/baseimager.py +++ /dev/null @@ -1,191 +0,0 @@ -#!/usr/bin/env python -tt -# -# Copyright (c) 2007 Red Hat Inc. -# Copyright (c) 2009, 2010, 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 -import tempfile -import shutil - -from wic import msger -from wic.utils.errors import CreatorError -from wic.utils import runner - -class BaseImageCreator(): - """Base class for image creation. - - BaseImageCreator is the simplest creator class available; it will - create a system image according to the supplied kickstart file. - - e.g. - - import wic.imgcreate as imgcreate - ks = imgcreate.read_kickstart("foo.ks") - imgcreate.ImageCreator(ks, "foo").create() - """ - - def __del__(self): - self.cleanup() - - def __init__(self, createopts=None): - """Initialize an ImageCreator instance. - - ks -- a pykickstart.KickstartParser instance; this instance will be - used to drive the install by e.g. providing the list of packages - to be installed, the system configuration and %post scripts - - name -- a name for the image; used for e.g. image filenames or - filesystem labels - """ - - self.__builddir = None - - self.ks = None - self.name = "target" - self.tmpdir = "/var/tmp/wic" - self.workdir = "/var/tmp/wic/build" - - # setup tmpfs tmpdir when enabletmpfs is True - self.enabletmpfs = False - - if createopts: - # Mapping table for variables that have different names. - optmap = {"outdir" : "destdir", - } - - # update setting from createopts - for key in createopts: - if key in optmap: - option = optmap[key] - else: - option = key - setattr(self, option, createopts[key]) - - self.destdir = os.path.abspath(os.path.expanduser(self.destdir)) - - self._dep_checks = ["ls", "bash", "cp", "echo"] - - # Output image file names - self.outimage = [] - - # No ks provided when called by convertor, so skip the dependency check - if self.ks: - # If we have btrfs partition we need to check necessary tools - for part in self.ks.partitions: - if part.fstype and part.fstype == "btrfs": - self._dep_checks.append("mkfs.btrfs") - break - - # make sure the specified tmpdir and cachedir exist - if not os.path.exists(self.tmpdir): - os.makedirs(self.tmpdir) - - - # - # Hooks for subclasses - # - def _create(self): - """Create partitions for the disk image(s) - - This is the hook where subclasses may create the partitions - that will be assembled into disk image(s). - - There is no default implementation. - """ - pass - - def _cleanup(self): - """Undo anything performed in _create(). - - This is the hook where subclasses must undo anything which was - done in _create(). - - There is no default implementation. - - """ - pass - - # - # Actual implementation - # - def __ensure_builddir(self): - if not self.__builddir is None: - return - - try: - self.workdir = os.path.join(self.tmpdir, "build") - if not os.path.exists(self.workdir): - os.makedirs(self.workdir) - self.__builddir = tempfile.mkdtemp(dir=self.workdir, - prefix="imgcreate-") - except OSError as err: - raise CreatorError("Failed create build directory in %s: %s" % - (self.tmpdir, err)) - - def __setup_tmpdir(self): - if not self.enabletmpfs: - return - - runner.show('mount -t tmpfs -o size=4G tmpfs %s' % self.workdir) - - def __clean_tmpdir(self): - if not self.enabletmpfs: - return - - runner.show('umount -l %s' % self.workdir) - - def create(self): - """Create partitions for the disk image(s) - - Create the partitions that will be assembled into disk - image(s). - """ - self.__setup_tmpdir() - self.__ensure_builddir() - - self._create() - - def cleanup(self): - """Undo anything performed in create(). - - Note, make sure to call this method once finished with the creator - instance in order to ensure no stale files are left on the host e.g.: - - creator = ImageCreator(ks, name) - try: - creator.create() - finally: - creator.cleanup() - - """ - if not self.__builddir: - return - - self._cleanup() - - shutil.rmtree(self.__builddir, ignore_errors=True) - self.__builddir = None - - self.__clean_tmpdir() - - - def print_outimage_info(self): - msg = "The new image can be found here:\n" - self.outimage.sort() - for path in self.outimage: - msg += ' %s\n' % os.path.abspath(path) - - msger.info(msg) |