Attachment 4206 Details for Bug 25981

/boot/vmlinuz* → menu.lst

univention-grub-generate-menu-lst (text/plain), 3.73 KB, created by Philipp Hahn on 2012-02-21 19:56 CET

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Creator: Philipp Hahn

Created: 2012-02-21 19:56 CET

Size: 3.73 KB

patch

obsolete

>#!/usr/bin/python2.6
># -*- coding: utf-8 -*-
>#
># Univention Grub menu.lst generator
>#
># Copyright 2012 Univention GmbH
>#
># http://www.univention.de/
>#
># All rights reserved.
>#
># The source code of this program is made available
># under the terms of the GNU Affero General Public License version 3
># (GNU AGPL V3) as published by the Free Software Foundation.
>#
># Binary versions of this program provided by Univention to you as
># well as other copyrighted, protected or trademarked materials like
># Logos, graphics, fonts, specific documentations and configurations,
># cryptographic keys etc. are subject to a license agreement between
># you and Univention and not subject to the GNU AGPL V3.
>#
># In the case you use this program under the terms of the GNU AGPL V3,
># the program is provided 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 Affero General Public License for more details.
>#
># You should have received a copy of the GNU Affero General Public
># License with the Debian GNU/Linux or Univention distribution in file
># /usr/share/common-licenses/AGPL-3; if not, see
># <http://www.gnu.org/licenses/>.
>
>import os
>import sys
>import optparse
>from shutil import copyfile
>from glob import glob
>from distutils.version import LooseVersion
>import univention.config_registry as ucr
>
>configRegistry = ucr.ConfigRegistry()
>configRegistry.load()
>
>f = open('/proc/cmdline')
>try:
>	args = "%s splash=nosplash" % f.read().strip()
>finally:
>	f.close()
>
>parser = optparse.OptionParser()
>parser.add_option("-f", "--force", action="store_true",
>		dest="force", default=False, help="Force writing menu.lst")
>parser.add_option("-n", "--dry-run", action="store_true",
>		dest="dry", default=False, help="Print to stdout instead of menu.lst")
>parser.add_option("-c", "--commandline", "--append", action="store",
>		dest="args", default=args, help="Overwrite kernel command line arguments")
>options, args = parser.parse_args()
>
>if configRegistry.is_false('grub/generate-menu-lst', False):
>	print >>sys.stderr, "Disables via grub/generate-menu-lst"
>	if options.force:
>		print >>sys.stderr, "Forced!"
>	else:
>		sys.exit(0)
>
>os.chdir("/boot")
>if os.path.exists("grub/menu.lst"):
>	f = open("grub/menu.lst", "r")
>	for line in f:
>		if "auto-generated through univention-grub-generate-menu-lst" in line:
>			break
>	else:
>		print >>sys.stderr, "menu.lst already exists. This typically happens if you have updated from UCS 2.4"
>		print >>sys.stderr, "and haven't converted from chain loading"
>		if options.force:
>			print >>sys.stderr, "Forced!"
>		else:
>			sys.exit(0)
>
>kernels = glob("vmlinuz-*")
>if not kernels:
>	print >>sys.stderr, "No kernels found matching /boot/vmlinuz-*."
>	sys.exit(0)
>
>if os.path.exists("grub/menu.lst"):
>	if options.dry:
>		print >>sys.stderr, "Skip moving!"
>	else:
>		copyfile("grub/menu.lst", "grub/menu.lst.bak")
>
>print >>sys.stderr, "Generating legacy menu.lst from current kernels"
>
>if options.dry:
>	out = sys.stdout
>else:
>	out = open("grub/menu.lst", "w")
>try:
>	print >>out, "# This Grub configuration is auto-generated through univention-grub-generate-menu-lst."
>	print >>out, "# It is used when booting UCS 3.0 as a Xen DomU with an older version of PyGrub."
>	print >>out, ""
>	print >>out, "default 0"
>	print >>out, "timeout %s" % configRegistry.get("grub/timeout", "5")
>	print >>out, ""
>
>	for kernel in sorted(kernels, key=LooseVersion, reverse=True):
>		kver = kernel[8:] # vmlinuz-
>		initrd = "initrd.img-%s" % kver
>		print >>out, "title           UCS, kernel %s" % kver
>		print >>out, "root            (hd0,0)"
>		print >>out, "kernel          /%s %s" % (kernel, options.args)
>		if os.path.exists(initrd):
>			print >>out, "initrd          /%s" % initrd
>		print >>out, ""
>finally:
>	out.close()

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Attachments on bug 25981: 4206 | 4207