-#!/usr/bin/env python
+#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# pylint: disable-msg=C0302
"""
grml2usb
~~~~~~~~
-This script installs a grml system (either a running system or ISO[s]) to a USB device
+This script installs a Grml system (either a running system or ISO[s]) to a USB device
-:copyright: (c) 2009, 2010, 2011 by Michael Prokop <mika@grml.org>
+:copyright: (c) 2009-2019 by Michael Prokop <mika@grml.org>
:license: GPL v2 or any later version
:bugreports: http://grml.org/bugs/
"""
+
from optparse import OptionParser
from inspect import isroutine, isclass
-import datetime, logging, os, re, subprocess, sys, tempfile, time, os.path
+import datetime
import fileinput
import glob
-import uuid
+import logging
+import os
+import os.path
+import re
import struct
+import subprocess
+import sys
+import tempfile
+import time
+import uuid
+import shutil
+
+# The line following this line is patched by debian/rules and tarball.sh.
+PROG_VERSION = '***UNKNOWN***'
+
+# when running from inside git, try to report version information via git-describe
+try:
+ git_dir = os.path.abspath(os.path.dirname(sys.argv[0]))
+ with open(os.devnull, 'w') as devnull:
+ PROG_VERSION = subprocess.check_output(["git",
+ "-C",
+ git_dir,
+ "describe",
+ "--always",
+ "--dirty"],
+ stderr=devnull).strip().decode('utf-8', errors='replace') + \
+ " (git)"
+except Exception:
+ pass
# global variables
-PROG_VERSION = "0.9.31"
-MOUNTED = set() # register mountpoints
-TMPFILES = set() # register tmpfiles
-DATESTAMP = time.mktime(datetime.datetime.now().timetuple()) # unique identifier for syslinux.cfg
-GRML_FLAVOURS = set() # which flavours are being installed?
+MOUNTED = set() # register mountpoints
+TMPFILES = set() # register tmpfiles
+DATESTAMP = time.mktime(datetime.datetime.now().timetuple()) # unique identifier for syslinux.cfg
+GRML_FLAVOURS = set() # which flavours are being installed?
GRML_DEFAULT = None
UUID = None
-SYSLINUX_LIBS = "/usr/lib/syslinux/"
+SYSLINUX_LIBS = [
+ "/usr/lib/syslinux/modules/bios/", # Debian
+ "/usr/lib/syslinux/bios/", # Arch Linux
+]
+GPT_HEADER = b"\x55\xaa\x45\x46\x49\x20\x50\x41\x52\x54" # original GPT header
+GRUB_INSTALL = None
+
+RE_PARTITION = re.compile(r'([a-z/]*?)(\d+)$')
+RE_P_PARTITION = re.compile(r'(.*?\d+)p(\d+)$')
+RE_LOOP_DEVICE = re.compile(r'/dev/loop\d+$')
+
def syslinux_warning(option, opt, value, opt_parser):
"""A helper function for printing a warning about deprecated option
"is grml2usb's default. Continuing anyway.\n")
setattr(opt_parser.values, option.dest, True)
+
# if grub option is set, unset syslinux option
def grub_option(option, opt, value, opt_parser):
"""A helper function adjusting other option values
setattr(opt_parser.values, option.dest, True)
setattr(opt_parser.values, 'syslinux', False)
+
# cmdline parsing
-USAGE = "Usage: %prog [options] <[ISO[s] | /live/image]> </dev/sdX#>\n\
+USAGE = "Usage: %prog [options] <[ISO[s] | /run/live/medium]> </dev/sdX#>\n\
\n\
-%prog installs grml ISO[s] to an USB device to be able to boot from it.\n\
-Make sure you have at least one grml ISO or a running grml system (/live/image),\n\
+%prog installs Grml ISO[s] to an USB device to be able to boot from it.\n\
+Make sure you have at least one Grml ISO or a running Grml system (/run/live/medium),\n\
grub or syslinux and root access.\n\
\n\
Run %prog --help for usage hints, further information via: man grml2usb"
help="install grub bootloader instead of (default) syslinux")
parser.add_option("--grub-mbr", dest="grubmbr", action="store_true",
help="install grub into MBR instead of (default) PBR")
-parser.add_option("--lilo-binary", dest="lilobin", action="store", type="string",
- help="lilo executable to be used for installing MBR")
parser.add_option("--mbr-menu", dest="mbrmenu", action="store_true",
help="enable interactive boot menu in MBR")
parser.add_option("--quiet", dest="quiet", action="store_true",
help="do not output anything but just errors on console")
parser.add_option("--remove-bootoption", dest="removeoption", action="append",
help="regex for removing existing bootoptions")
+parser.add_option("--rw-blockdev", dest="rwblockdev", action="store_true",
+ help="enforce read-write mode on involved block devices")
parser.add_option("--skip-addons", dest="skipaddons", action="store_true",
help="do not install /boot/addons/ files")
+parser.add_option("--skip-bootflag", dest="skipbootflag", action="store_true",
+ help="do not try to check whether the destination has the bootflag set")
parser.add_option("--skip-grub-config", dest="skipgrubconfig", action="store_true",
help="skip generation of grub configuration files")
parser.add_option("--skip-mbr", dest="skipmbr", action="store_true",
help="do not install a master boot record (MBR) on the device")
parser.add_option("--skip-syslinux-config", dest="skipsyslinuxconfig", action="store_true",
help="skip generation of syslinux configuration files")
+parser.add_option("--skip-usb-check", dest="skipusbcheck", action="store_true",
+ help="skip check to verify whether given device is removable")
parser.add_option("--syslinux", dest="syslinux", action="callback", default=True,
callback=syslinux_warning,
help="install syslinux bootloader (deprecated as it's the default)")
parser.add_option("--syslinux-mbr", dest="syslinuxmbr", action="store_true",
help="install syslinux master boot record (MBR) instead of default")
+parser.add_option("--syslinux-libs", dest="syslinuxlibs", action="append", default=[],
+ help="syslinux modules directory path")
+parser.add_option("--tmpdir", dest="tmpdir", default="/tmp",
+ help="directory to be used for temporary files")
parser.add_option("--verbose", dest="verbose", action="store_true",
help="enable verbose mode")
parser.add_option("-v", "--version", dest="version", action="store_true",
GRML2USB_BASE = os.path.dirname(os.path.realpath(__file__))
+class HodorException(Exception):
+ """Throw exception if the exact error is not known and not fatal.
+
+ @Exception: message"""
+
+
class CriticalException(Exception):
- """Throw critical exception if the exact error is not known but fatal."
+ """Throw critical exception if the exact error is not known but fatal.
+
+ @Exception: message"""
+
+
+class VerifyException(Exception):
+ """Throw critical exception if there is an fatal error when verifying something.
@Exception: message"""
- pass
# The following two functions help to operate on strings as
def cleanup():
"""Cleanup function to make sure there aren't any mounted devices left behind.
"""
+ def del_failed(fn, filepath, exc):
+ msg = "Deletion of %s failed in temporary folder %s"
+ logging.warn(msg % (filepath, path))
logging.info("Cleaning up before exiting...")
proc = subprocess.Popen(["sync"])
proc.wait()
- try:
- for device in MOUNTED:
+ for device in MOUNTED.copy():
+ try:
unmount(device, "")
- for tmpfile in TMPFILES:
- os.unlink(tmpfile)
- # ignore: RuntimeError: Set changed size during iteration
- except RuntimeError:
- logging.debug('caught expection RuntimeError, ignoring')
+ logging.debug('Unmounted %s' % device)
+ except Exception:
+ logging.debug('RuntimeError while umount %s, ignoring' % device)
+
+ for tmppath in TMPFILES.copy():
+ try:
+ if os.path.isdir(tmppath) and not os.path.islink(tmppath):
+ # symbolic links to directories are ignored
+ # without the check it will throw an OSError
+ shutil.rmtree(tmppath, onerror=del_failed)
+ logging.debug('temporary directory %s deleted' % tmppath)
+ unregister_tmpfile(tmppath)
+ elif os.path.isfile:
+ os.unlink(tmppath)
+ logging.debug('temporary file %s deleted' % tmppath)
+ unregister_tmpfile(tmppath)
+ except Exception:
+ msg = 'RuntimeError while removing temporary %s, ignoring'
+ logging.debug(msg % tmppath)
def register_tmpfile(path):
def get_function_name(obj):
- """Helper function for use in execute() to retrive name of a function
+ """Helper function for use in execute() to retrieve name of a function
@obj: the function object
"""
return obj.__module__ + '.' + obj.__name__
+def set_rw(device):
+ if not options.rwblockdev:
+ return
+
+ logging.debug("executing: blockdev --setrw %s", device)
+ proc = subprocess.Popen(["blockdev", "--setrw", device])
+ proc.wait()
+ if proc.returncode != 0:
+ raise Exception("error executing blockdev on %s" % device)
+
+
def execute(f, *exec_arguments):
"""Wrapper for executing a command. Either really executes
the command (default) or when using --dry-run commandline option
"""
bootloader_dirs = ['/boot/isolinux/', '/boot/syslinux/']
for directory in bootloader_dirs:
- for name in name, \
- "%s_%s" % (get_flavour_filename(flavour), name):
+ for name in name, "%s_%s" % (get_flavour_filename(flavour), name):
if os.path.isfile(iso_mount + directory + name):
return (directory, name)
- return ('','')
+ return ('', '')
-def search_file(filename, search_path='/bin' + os.pathsep + '/usr/bin'):
+
+def search_file(filename, search_path='/bin' + os.pathsep + '/usr/bin', lst_return=False, required=False):
"""Given a search path, find file
@filename: name of file to search for
- @search_path: path where searching for the specified filename"""
- file_found = 0
+ @search_path: path where searching for the specified filename
+ @lst_return: return list of matching files instead one file"""
paths = search_path.split(os.pathsep)
- current_dir = '' # make pylint happy :)
+ current_dir = '' # make pylint happy :)
+ retval = []
def match_file(cwd):
"""Helper function ffor testing if specified file exists in cwd
@cwd: current working directory
"""
- return os.path.exists(os.path.join(cwd, filename))
+ return os.path.exists(os.path.join(cwd, filename))
for path in paths:
current_dir = path
if match_file(current_dir):
- file_found = 1
- break
+ retval.append(os.path.abspath(os.path.join(current_dir, filename)))
+ if not lst_return:
+ break
# pylint: disable-msg=W0612
for current_dir, directories, files in os.walk(path):
if match_file(current_dir):
- file_found = 1
- break
- if file_found:
- return os.path.abspath(os.path.join(current_dir, filename))
+ retval.append(os.path.abspath(os.path.join(current_dir, filename)))
+ if not lst_return:
+ break
+
+ if required and not retval:
+ raise CriticalException("Required file %s not found in %s" % (filename, search_path))
+
+ if lst_return:
+ return retval
+ elif retval:
+ return retval[0]
else:
return None
def check_uid_root():
"""Check for root permissions"""
- if not os.geteuid()==0:
- sys.exit("Error: please run this script with uid 0 (root).")
+ if not os.geteuid() == 0:
+ raise CriticalException("please run this script with uid 0 (root).")
+
+
+# for usage inside check_boot_flag
+def get_partition_for_path(path):
+ import parted
+
+ boot_dev, x = get_device_from_partition(path)
+
+ d = parted.getDevice(boot_dev)
+ disk = parted.Disk(d)
+ return disk.getPartitionByPath(path)
+
+
+def check_boot_flag(device):
+ boot_dev, x = get_device_from_partition(device)
+
+ try:
+ import parted
+ part = get_partition_for_path(device)
+ if part is None:
+ raise HodorException("parted could not find partition")
+ if part.getFlag(parted.PARTITION_BOOT):
+ logging.debug("bootflag is enabled on %s" % device)
+ return
+ except HodorException as e:
+ logging.info("%s, falling back to old bootflag detection", e)
+ except ImportError as e:
+ logging.debug("could not import parted, falling back to old bootflag detection")
+
+ with open(boot_dev, 'rb') as image:
+ data = image.read(520)
+ bootcode = data[440:]
+ gpt_data = bootcode[70:80]
+
+ if gpt_data == GPT_HEADER:
+ logging.info("GPT detected, skipping bootflag check")
+ elif bootcode[6] == b"\x80":
+ logging.debug("bootflag is enabled")
+ else:
+ logging.debug("bootflag is NOT enabled")
+ raise VerifyException("Device %s does not have the bootflag set. "
+ "Please enable it to be able to boot." % device)
def mkfs_fat16(device):
raise CriticalException("error executing mkfs.vfat")
-def generate_main_grub2_config(grml_flavour, bootoptions):
- """Generate grub2 configuration for use via grub.cfg
-
- @grml_flavour: name of grml flavour the configuration should be generated for
- @bootoptions: additional bootoptions that should be used by default"""
-
- local_datestamp = DATESTAMP
-
- return("""\
-## main grub2 configuration - generated by grml2usb [main config generated at: %(local_datestamp)s]
-set default=0
-set timeout=10
-
-insmod fat
-
-if loadfont /boot/grub/ascii.pf2 ; then
- insmod png
- set gfxmode=640x480
- insmod gfxterm
- insmod vbe
- if terminal_output gfxterm ; then true ; else
- # For backward compatibility with versions of terminal.mod that don't
- # understand terminal_output
- terminal gfxterm
- fi
-fi
-
-if background_image /boot/grub/grml.png ; then
- set color_normal=black/black
- set color_highlight=red/black
-else
- set menu_color_normal=white/black
- set menu_color_highlight=black/yellow
-fi
-
-menuentry "%(grml_flavour)s (default)" {
- set gfxpayload=1024x768x16,1024x768
- linux /boot/release/%(flavour_filename)s/linux26 apm=power-off quiet boot=live nomce live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
- initrd /boot/release/%(flavour_filename)s/initrd.gz
-}
-
-menuentry "Memory test (memtest86+)" {
- linux16 /boot/addons/memtest
-}
-
-menuentry "Boot Grub (all in one image)" {
- linux /boot/addons/memdisk
- initrd /boot/addons/allinone.img
-}
-
-menuentry "Boot FreeDOS" {
- linux /boot/addons/memdisk
- initrd /boot/addons/balder10.imz
-}
-
-if [ ${iso_path} ] ; then
- # assume loopback.cfg boot
- if [ -e /boot/addons/bsd4grml/loopback.0 ] ; then
- # bsd4grml 20100815 and later
- menuentry "Boot MirOS bsd4grml" {
- multiboot /boot/addons/bsd4grml/ldbsd.com
- module /boot/addons/bsd4grml/bsd.rd bsd
- module /boot/addons/bsd4grml/loopback.0 boot.cfg
- module /boot/addons/bsd4grml/loopback.1 boot.1
- module /boot/addons/bsd4grml/loopback.2 boot.2
- module /boot/addons/bsd4grml/loopback.3 boot.3
- module /boot/addons/bsd4grml/loopback.4 boot.4
- module /boot/addons/bsd4grml/loopback.5 boot.5
- module /boot/addons/bsd4grml/loopback.6 boot.6
- }
- else
- # old bsd4grml
- menuentry "Boot MirOS bsd4grml" {
- multiboot /boot/addons/bsd4grml/ldbsd.com
- module /boot/addons/bsd4grml/bsd.rd bsd.rd
- module /boot/addons/bsd4grml/boot.cfg boot.cfg
- module /boot/addons/bsd4grml/boot.1 boot.1
- module /boot/addons/bsd4grml/boot.2 boot.2
- module /boot/addons/bsd4grml/boot.3 boot.3
- module /boot/addons/bsd4grml/boot.4 boot.4
- module /boot/addons/bsd4grml/boot.5 boot.5
- }
- fi
-else
- # assume grub.cfg boot
- menuentry "Boot MirOS bsd4grml" {
- multiboot /boot/addons/bsd4grml/ldbsd.com
- module /boot/addons/bsd4grml/bsd.rd bsd.rd
- module /boot/addons/bsd4grml/boot.cfg boot.cfg
- module /boot/addons/bsd4grml/boot.1 boot.1
- module /boot/addons/bsd4grml/boot.2 boot.2
- module /boot/addons/bsd4grml/boot.3 boot.3
- module /boot/addons/bsd4grml/boot.4 boot.4
- module /boot/addons/bsd4grml/boot.5 boot.5
- module /boot/addons/bsd4grml/boot.6 boot.6
- }
-fi
-
-menuentry "Boot OS of first partition on first disk" {
- set root=(hd0,1)
- chainloader +1
-}
-
-""" % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
- 'flavour_filename': grml_flavour.replace('-', ''),
- 'uid': UUID, 'bootoptions': bootoptions } )
-
-
-def generate_flavour_specific_grub2_config(grml_flavour, bootoptions):
- """Generate grub2 configuration for use via grub.cfg
-
- @grml_flavour: name of grml flavour the configuration should be generated for
- @bootoptions: additional bootoptions that should be used by default"""
-
- local_datestamp = DATESTAMP
-
- return("""\
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-menuentry "%(grml_flavour)s - boot in default mode" {
- set gfxpayload=1024x768x16,1024x768
- linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
- initrd /boot/release/%(flavour_filename)s/initrd.gz
-}
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-menuentry "%(grml_flavour)s-persistent - enable persistency feature" {
- set gfxpayload=1024x768x16,1024x768
- linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet persistent live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
- initrd /boot/release/%(flavour_filename)s/initrd.gz
-}
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-menuentry "%(grml_flavour)s2ram - copy compressed grml file to RAM" {
- set gfxpayload=1024x768x16,1024x768
- linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ toram=%(grml_flavour)s.squashfs bootid=%(uid)s %(bootoptions)s
- initrd /boot/release/%(flavour_filename)s/initrd.gz
-}
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-menuentry "%(grml_flavour)s-debug - enable debugging options" {
- set gfxpayload=1024x768x16,1024x768
- linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ debug bootid=%(uid)s initcall_debug %(bootoptions)s
- initrd /boot/release/%(flavour_filename)s/initrd.gz
-}
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-menuentry "%(grml_flavour)s-x - start X Window System" {
- set gfxpayload=1024x768x16,1024x768
- linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ startx=wm-ng bootid=%(uid)s %(bootoptions)s
- initrd /boot/release/%(flavour_filename)s/initrd.gz
-}
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-menuentry "%(grml_flavour)s-nofb - disable framebuffer" {
- linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=ofonly bootid=%(uid)s %(bootoptions)s
- initrd /boot/release/%(flavour_filename)s/initrd.gz
-}
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-menuentry "%(grml_flavour)s-failsafe - disable hardware detection" {
- linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal noautoconfig atapicd noapic noacpi acpi=off nomodules nofirewire noudev nousb nohotplug noapm nopcmcia nosmp maxcpus=0 noscsi noagp nodma ide=nodma noswap nofstab nosound nogpm nosyslog nodhcp nocpu nodisc nomodem xmodule=vesa noraid nolvm noresume selinux=0 edd=off pci=nomsi bootid=%(uid)s %(bootoptions)s
- initrd /boot/release/%(flavour_filename)s/initrd.gz
-}
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-menuentry "%(grml_flavour)s-forensic - do not touch harddisks during hw recognition" {
- set gfxpayload=1024x768x16,1024x768
- linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ nofstab noraid nolvm noautoconfig noswap raid=noautodetect forensic readonly bootid=%(uid)s %(bootoptions)s
- initrd /boot/release/%(flavour_filename)s/initrd.gz
-}
-
-""" % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
- 'flavour_filename': grml_flavour.replace('-', ''),
- 'uid': UUID, 'bootoptions': bootoptions } )
-
-
-def generate_flavour_specific_grub1_config(grml_flavour, install_partition, bootoptions):
- """Generate grub1 configuration for use via menu.lst
-
- @grml_flavour: name of grml flavour the configuration should be generated for
- @install_partition: partition number for use in (hd0,X)
- @bootoptions: additional bootoptions that should be used by default"""
-
- local_datestamp = DATESTAMP
-
- return("""\
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-title %(grml_flavour)s
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
-initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-title %(grml_flavour)s-persistent
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet persistent live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
-initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-title %(grml_flavour)s2ram
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ toram=%(grml_flavour)s.squashfs bootid=%(uid)s %(bootoptions)s
-initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-title %(grml_flavour)s-debug
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ debug initcall_debug bootid=%(uid)s %(bootoptions)s
-initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-title %(grml_flavour)s-x
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ startx=wm-ng bootid=%(uid)s %(bootoptions)s
-initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-title %(grml_flavour)s-nofb
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=ofonly bootid=%(uid)s %(bootoptions)s
-initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-title %(grml_flavour)s-failsafe
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal noautoconfig atapicd noapic noacpi acpi=off nomodules nofirewire noudev nousb nohotplug noapm nopcmcia nosmp maxcpus=0 noscsi noagp nodma ide=nodma noswap nofstab nosound nogpm nosyslog nodhcp nocpu nodisc nomodem xmodule=vesa noraid nolvm noresume selinux=0 edd=off pci=nomsi bootid=%(uid)s %(bootoptions)s
-initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-title %(grml_flavour)s-forensic
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ nofstab noraid nolvm noautoconfig noswap raid=noautodetect forensic readonly bootid=%(uid)s %(bootoptions)s
-initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
-
-## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
-title %(grml_flavour)s-serial
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=vesafb:off console=tty1 console=ttyS0,9600n8 bootid=%(uid)s %(bootoptions)s
-initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
-
-""" % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
- 'flavour_filename': grml_flavour.replace('-', ''), 'uid': UUID,
- 'bootoptions': bootoptions, 'install_partition': install_partition } )
-
-
-def generate_main_grub1_config(grml_flavour, install_partition, bootoptions):
- """Generate grub1 configuration for use via menu.lst
-
- @grml_flavour: name of grml flavour the configuration should be generated for"""
-
- local_datestamp = DATESTAMP
-
- return("""\
-## main grub1 configuration - generated by grml2usb [main config generated at: %(local_datestamp)s]
-# misc options:
-timeout 30
-# color red/blue green/black
-splashimage=(hd0,%(install_partition)s)/boot/grub/splash.xpm.gz
-foreground = 000000
-background = FFCC33
-
-# define entries:
-title %(grml_flavour)s - Default boot (using 1024x768 framebuffer)
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off vga=791 quiet boot=live nomce live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
-initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
-
-title Memory test (memtest86+)
-kernel (hd0,%(install_partition)s)/boot/addons/memtest
-
-title Grub - all in one image
-kernel (hd0,%(install_partition)s)/boot/addons/memdisk
-initrd (hd0,%(install_partition)s)/boot/addons/allinone.img
-
-title FreeDOS
-kernel (hd0,%(install_partition)s)/boot/addons/memdisk
-initrd (hd0,%(install_partition)s)/boot/addons/balder10.imz
-
-title MirOS BSD
-kernel (hd0,%(install_partition)s)/boot/addons/bsd4grml/ldbsd.com
-
-""" % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
- 'flavour_filename': grml_flavour.replace('-', ''), 'uid': UUID,
- 'bootoptions': bootoptions, 'install_partition': install_partition } )
-
-
def generate_isolinux_splash(grml_flavour):
"""Generate bootsplash for isolinux/syslinux
Some information and boot options available via keys F2 - F10. http://grml.org/
%(grml_name)s
-""" % {'grml_name': grml_name} )
+""" % {'grml_name': grml_name})
def generate_main_syslinux_config(*arg):
@grml_flavour: name of grml flavour the configuration should be generated for"""
-
return("""\
menu begin grml %(grml_flavour)s
menu title %(display_name)s
include %(grml_flavour)s_grml.cfg
menu hide
menu end
-""" % {'grml_flavour': grml_flavour, 'display_name' : grml_flavour.replace('_', '-') } )
+""" % {'grml_flavour': grml_flavour, 'display_name': get_flavour_filename(grml_flavour)})
def install_grub(device):
device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
register_tmpfile(device_mountpoint)
try:
- try:
- mount(device, device_mountpoint, "")
-
- # If using --grub-mbr then make sure we install grub in MBR instead of PBR
- if options.grubmbr:
- logging.debug("Using option --grub-mbr ...")
- if device[-1:].isdigit():
- grub_device = re.match(r'(.*?)\d*$', device).group(1)
- else:
- grub_device = device
- else:
- grub_device = device
-
- logging.info("Installing grub as bootloader")
- for opt in ["", "--force" ]:
- logging.debug("grub-install --recheck %s --no-floppy --root-directory=%s %s",
- opt, device_mountpoint, grub_device)
- proc = subprocess.Popen(["grub-install", "--recheck", opt, "--no-floppy",
- "--root-directory=%s" % device_mountpoint, grub_device],
- stdout=file(os.devnull, "r+"))
- proc.wait()
- if proc.returncode == 0:
- break
-
- if proc.returncode != 0:
- # raise Exception("error executing grub-install")
- logging.critical("Fatal: error executing grub-install "
- + "(please check the grml2usb FAQ or drop the --grub option)")
- logging.critical("Note: if using grub2 consider using "
- + "the --grub-mbr option as grub considers PBR problematic.")
- cleanup()
- sys.exit(1)
- except CriticalException, error:
- logging.critical("Fatal: %s", error)
+ # If using --grub-mbr then make sure we install grub in MBR instead of PBR
+ if options.grubmbr:
+ logging.debug("Using option --grub-mbr ...")
+ grub_device, x = get_device_from_partition(device)
+ else:
+ grub_device = device
+
+ set_rw(device)
+ mount(device, device_mountpoint, "")
+
+ logging.info("Installing grub as bootloader")
+ for opt in ["--", "--force"]:
+ set_rw(device)
+ set_rw(grub_device)
+ logging.debug("%s --recheck --no-floppy --target=i386-pc --root-directory=%s %s %s",
+ GRUB_INSTALL, device_mountpoint, opt, grub_device)
+ proc = subprocess.Popen([GRUB_INSTALL, "--recheck",
+ "--no-floppy", "--target=i386-pc",
+ "--root-directory=%s" % device_mountpoint,
+ opt, grub_device],
+ stdout=open(os.devnull, "r+"))
+ proc.wait()
+ if proc.returncode == 0:
+ break
+
+ if proc.returncode != 0:
+ # raise Exception("error executing grub-install")
+ logging.critical("Fatal: error executing grub-install " +
+ "(please check the grml2usb FAQ or drop the --grub option)")
+ logging.critical("Note: if using grub2 consider using " +
+ "the --grub-mbr option as grub considers PBR problematic.")
cleanup()
sys.exit(1)
-
+ except CriticalException as error:
+ logging.critical("Fatal: %s", error)
+ cleanup()
+ sys.exit(1)
finally:
unmount(device_mountpoint, "")
os.rmdir(device_mountpoint)
logging.info("Would install syslinux as bootloader on %s", device)
return 0
+ set_rw(device)
+
# syslinux -d boot/isolinux /dev/sdb1
logging.info("Installing syslinux as bootloader")
logging.debug("syslinux -d boot/syslinux %s", device)
if options.grub:
try:
install_grub(device)
- except CriticalException, error:
+ except CriticalException as error:
logging.critical("Fatal: %s", error)
cleanup()
sys.exit(1)
else:
try:
install_syslinux(device)
- except CriticalException, error:
+ except CriticalException as error:
logging.critical("Fatal: %s", error)
cleanup()
sys.exit(1)
-def execute_lilo(lilo, device):
- """execute lilo for activating the partitions in the MBR
-
- @lilo: path of lilo executable
- @device: device where lilo should be executed on"""
-
- # to support -A for extended partitions:
- logging.info("Activating partitions in MBR via lilo")
- logging.debug("%s -S /dev/null -M %s ext", lilo, device)
- proc = subprocess.Popen([lilo, "-S", "/dev/null", "-M", device, "ext"])
- proc.wait()
- if proc.returncode != 0:
- raise Exception("error executing lilo")
-
- # activate partition:
- logging.debug("%s -S /dev/null -A %s 1", lilo, device)
- proc = subprocess.Popen([lilo, "-S", "/dev/null", "-A", device, "1"])
- proc.wait()
- if proc.returncode != 0:
- raise Exception("error executing lilo")
-
-
-def install_syslinux_mbr(device):
- """install syslinux's master boot record (MBR) on the specified device
-
- @device: device where MBR of syslinux should be installed to"""
-
- # make sure we have syslinux available
- if not which("syslinux") and not options.copyonly:
- raise Exception("syslinux not available (either install it or consider using the --grub option)")
-
- # lilo's mbr is broken, use the one from syslinux instead:
- if not os.path.isfile("/usr/lib/syslinux/mbr.bin"):
- raise Exception("/usr/lib/syslinux/mbr.bin can not be read")
-
- logging.info("Installing syslinux MBR")
- logging.debug("cat /usr/lib/syslinux/mbr.bin > %s", device)
- try:
- retcode = subprocess.call("cat /usr/lib/syslinux/mbr.bin > "+ device, shell=True)
- if retcode < 0:
- logging.critical("Error copying MBR to device (%s)", retcode)
- except OSError, error:
- logging.critical("Execution failed: %s", error)
-
-
-def install_mir_mbr(mbrtemplate, device, partition, ismirbsdmbr=True):
+def install_mbr(mbrtemplate, device, partition, ismirbsdmbr=True):
"""install 'mbr' master boot record (MBR) on a device
Retrieve the partition table from "device", install an MBR from the
logging.info("Installing default MBR")
if not os.path.isfile(mbrtemplate):
- logging.critical("Error: %s can not be read.", mbrtemplate)
- raise CriticalException("Error installing MBR (either try --syslinux-mbr or install missing file?)")
+ logging.error('Error installing MBR (either try --syslinux-mbr or '
+ 'install missing file "%s"?)', mbrtemplate)
+ raise CriticalException("%s can not be read." % mbrtemplate)
- if (partition < 0) or (partition > 3):
- raise ValueError("partition must be between 0 and 3")
+ if partition is not None and ((partition < 0) or (partition > 3)):
+ logging.warn("Cannot activate partition %d", partition)
+ partition = None
if ismirbsdmbr:
nmbrbytes = 439
logging.debug("executing: dd if='%s' of='%s' bs=512 count=1", device, tmpf.name)
proc = subprocess.Popen(["dd", "if=%s" % device, "of=%s" % tmpf.name, "bs=512", "count=1"],
- stderr=file(os.devnull, "r+"))
+ stderr=open(os.devnull, "r+"))
proc.wait()
if proc.returncode != 0:
raise Exception("error executing dd (first run)")
logging.debug("executing: dd if=%s of=%s bs=%s count=1 conv=notrunc", mbrtemplate,
tmpf.name, nmbrbytes)
proc = subprocess.Popen(["dd", "if=%s" % mbrtemplate, "of=%s" % tmpf.name, "bs=%s" % nmbrbytes,
- "count=1", "conv=notrunc"], stderr=file(os.devnull, "r+"))
+ "count=1", "conv=notrunc"], stderr=open(os.devnull, "r+"))
proc.wait()
if proc.returncode != 0:
raise Exception("error executing dd (second run)")
if len(mbrcode) < 512:
raise EOFError("MBR size (%d) < 512" % len(mbrcode))
- if ismirbsdmbr:
- mbrcode = mbrcode[0:439] + chr(partition) + \
- mbrcode[440:510] + "\x55\xAA"
- else:
- actives = ["\x00", "\x00", "\x00", "\x00"]
- actives[partition] = "\x80"
- mbrcode = mbrcode[0:446] + actives[0] + \
- mbrcode[447:462] + actives[1] + \
- mbrcode[463:478] + actives[2] + \
- mbrcode[479:494] + actives[3] + \
- mbrcode[495:510] + "\x55\xAA"
+ if partition is not None:
+ if ismirbsdmbr:
+ mbrcode = mbrcode[0:439] + chr(partition).encode('latin-1') + \
+ mbrcode[440:510] + b"\x55\xAA"
+ else:
+ actives = [b"\x00", b"\x00", b"\x00", b"\x00"]
+ actives[partition] = b"\x80"
+ mbrcode = mbrcode[0:446] + actives[0] + \
+ mbrcode[447:462] + actives[1] + \
+ mbrcode[463:478] + actives[2] + \
+ mbrcode[479:494] + actives[3] + \
+ mbrcode[495:510] + b"\x55\xAA"
tmpf.file.seek(0)
tmpf.file.truncate()
tmpf.file.write(mbrcode)
tmpf.file.close()
+ set_rw(device)
+
logging.debug("executing: dd if='%s' of='%s' bs=512 count=1 conv=notrunc", tmpf.name, device)
proc = subprocess.Popen(["dd", "if=%s" % tmpf.name, "of=%s" % device, "bs=512", "count=1",
- "conv=notrunc"], stderr=file(os.devnull, "r+"))
+ "conv=notrunc"], stderr=open(os.devnull, "r+"))
proc.wait()
if proc.returncode != 0:
raise Exception("error executing dd (third run)")
del tmpf
+ # make sure we sync filesystems before returning
+ proc = subprocess.Popen(["sync"])
+ proc.wait()
-def handle_syslinux_mbr(device):
- """Install syslinux master boot record on given device
-
- @device: device where MBR should be installed to"""
-
- if not is_writeable(device):
- raise IOError("device not writeable for user")
-
- # try to use system's lilo
- if which("lilo"):
- lilo = which("lilo")
- else:
- # otherwise fall back to our static version
- from platform import architecture
- if architecture()[0] == '64bit':
- lilo = GRML2USB_BASE + '/lilo/lilo.static.amd64'
- else:
- lilo = GRML2USB_BASE + '/lilo/lilo.static.i386'
- # finally prefer a specified lilo executable
- if options.lilobin:
- lilo = options.lilobin
-
- if not is_exe(lilo):
- raise Exception("lilo executable can not be execute")
-
- if options.dryrun:
- logging.info("Would install MBR running lilo and using syslinux.")
- return 0
-
- execute_lilo(lilo, device)
- install_syslinux_mbr(device)
+ set_rw(device)
def is_writeable(device):
if not device:
return False
- #raise Exception("no device for checking write permissions")
if not os.path.exists(device):
return False
# note: options.dryrun does not work here, as we have to
# locate files and identify the grml flavour
- for x in file('/proc/mounts').readlines():
+ for x in open('/proc/mounts', 'r').readlines():
if x.startswith(source):
- raise CriticalException("Error executing mount: %s already mounted - " % source
- + "please unmount before invoking grml2usb")
+ raise CriticalException("Error executing mount: %s already mounted - " % source +
+ "please unmount before invoking grml2usb")
if os.path.isdir(source):
logging.debug("Source %s is not a device, therefore not mounting.", source)
" (wrong UID/permissions or device/directory not present?)" % partition)
try:
- udev_info = subprocess.Popen(["/sbin/blkid", "-s", "TYPE", "-o", "value", partition],
- stdout=subprocess.PIPE, stderr=subprocess.PIPE)
- filesystem = udev_info.communicate()[0].rstrip()
+ filesystem = subprocess.check_output(["/sbin/blkid", "-s", "TYPE", "-o", "value", partition]).decode().rstrip()
if filesystem != "vfat":
raise CriticalException(
"(Use --fat16 or run mkfs.vfat %s)" % (partition, partition))
except OSError:
- raise CriticalException("Sorry, /sbin/blkid not available (install e2fsprogs?)")
+ raise CriticalException("Sorry, /sbin/blkid not available (install util-linux?)")
def mkdir(directory):
return write_uuid(uuid_file_name)
+def get_shortname(grml_flavour):
+ """Get shortname based from grml_flavour name. The rules applied are the same as in grml-live
+ @grml_flavour: flavour name which shold be translated to shortname"""
+
+ return re.sub(r'[,._-]', '', grml_flavour)
+
+
def copy_system_files(grml_flavour, iso_mount, target):
"""copy grml's main files (like squashfs, kernel and initrd) to a given target
squashfs = search_file(grml_flavour + '.squashfs', iso_mount)
if squashfs is None:
- logging.critical("Fatal: squashfs file not found"
- ", please check that your iso is not corrupt")
- raise CriticalException("error locating squashfs file")
+ logging.error("error locating squashfs file")
+ raise CriticalException("squashfs file not found, please check that your iso is not corrupt")
else:
squashfs_target = target + '/live/' + grml_flavour + '/'
execute(mkdir, squashfs_target)
if filesystem_module:
break
if filesystem_module is None:
- logging.critical("Fatal: filesystem.module not found")
- raise CriticalException("error locating filesystem.module file")
+ logging.error("error locating filesystem.module file")
+ raise CriticalException("filesystem.module not found")
else:
exec_rsync(filesystem_module, squashfs_target + 'filesystem.module')
-
- release_path = 'boot/release/' + grml_flavour.replace('-', '')
- release_target = target + "/" + release_path
- execute(mkdir, release_target)
-
- prefix = ""
- if os.path.isdir(iso_mount + '/boot/release'):
- prefix = release_path + '/'
-
- kernel = search_file(prefix + 'linux26', iso_mount)
- if kernel is None:
- logging.critical("Fatal kernel not found")
- raise CriticalException("error locating kernel file")
+ shortname = get_shortname(grml_flavour)
+ if os.path.isdir(iso_mount + '/boot/' + shortname):
+ exec_rsync(iso_mount + '/boot/' + shortname, target + '/boot')
else:
- exec_rsync(kernel, release_target + '/linux26')
+ kernel = search_file('vmlinuz', iso_mount)
+ if kernel is None:
+ # compat for releases < 2011.12
+ kernel = search_file('linux26', iso_mount)
- initrd = search_file(prefix + 'initrd.gz', iso_mount)
- if initrd is None:
- logging.critical("Fatal: initrd not found")
- raise CriticalException("error locating initrd file")
- else:
- exec_rsync(initrd, release_target + '/initrd.gz')
+ if kernel is None:
+ logging.error("error locating kernel file")
+ raise CriticalException("Kernel not found")
+
+ source = os.path.dirname(kernel) + '/'
+ dest = target + '/' + os.path.dirname(kernel).replace(iso_mount, '') + '/'
+ execute(mkdir, dest)
+ exec_rsync(source, dest)
def update_grml_versions(iso_mount, target):
# update the existing flavours on the target
for line in fileinput.input([target_grml_version_file], inplace=1):
flavour = get_flavour(line)
- if flavour in iso_versions.keys():
- print iso_versions.pop(flavour)
+ if flavour in list(iso_versions.keys()):
+ print(iso_versions.pop(flavour))
else:
- print line.strip()
+ print(line.strip())
fileinput.close()
target_file = open(target_grml_version_file, 'a')
else:
return False
-def copy_grml_files(iso_mount, target):
+
+def copy_grml_files(grml_flavour, iso_mount, target):
"""copy some minor grml files to a given target
+ @grml_flavour: the current grml_flavour
@iso_mount: path where a grml ISO is mounted on
@target: path where grml's main files should be copied to"""
grml_target = target + '/grml/'
execute(mkdir, grml_target)
- copy_files = [ 'grml-cheatcodes.txt', 'LICENSE.txt', 'md5sums', 'README.txt' ]
- # handle grml-version
- if not update_grml_versions(iso_mount, target):
- copy_files.append('grml-version')
-
- for myfile in copy_files:
- grml_file = search_file(myfile, iso_mount)
- if grml_file is None:
- logging.warn("Warning: file %s could not be found - can not install it", myfile)
- else:
- exec_rsync(grml_file, grml_target + myfile)
-
- grml_web_target = grml_target + '/web/'
- execute(mkdir, grml_web_target)
-
- for myfile in 'index.html', 'style.css':
- grml_file = search_file(myfile, iso_mount)
- if grml_file is None:
- logging.warn("Warning: file %s could not be found - can not install it", myfile)
- else:
- exec_rsync(grml_file, grml_web_target + myfile)
-
- grml_webimg_target = grml_web_target + '/images/'
- execute(mkdir, grml_webimg_target)
-
- for myfile in 'button.png', 'favicon.png', 'linux.jpg', 'logo.png':
- grml_file = search_file(myfile, iso_mount)
- if grml_file is None:
- logging.warn("Warning: file %s could not be found - can not install it", myfile)
- else:
- exec_rsync(grml_file, grml_webimg_target + myfile)
-
-
-def handle_addon_copy(filename, dst, iso_mount, ignore_errors=False):
- """handle copy of optional addons
-
- @filename: filename of the addon
- @dst: destination directory
- @iso_mount: location of the iso mount
- @ignore_errors: don't report missing files
- """
- file_location = search_file(filename, iso_mount)
- if file_location is None:
- if not ignore_errors:
- logging.warn("Warning: %s not found (that's fine if you don't need it)", filename)
+ grml_prefixe = ["GRML", "grml"]
+ for prefix in grml_prefixe:
+ filename = "{0}/{1}/{2}".format(iso_mount, prefix, grml_flavour)
+ if os.path.exists(filename):
+ exec_rsync(filename, grml_target)
+ break
else:
- exec_rsync(file_location, dst)
+ logging.warn("Warning: could not find flavour directory for %s ", grml_flavour)
def copy_addons(iso_mount, target):
addons = target + '/boot/addons/'
execute(mkdir, addons)
- # grub all-in-one image
- handle_addon_copy('allinone.img', addons, iso_mount)
+ for addon_file in glob.glob(iso_mount + '/boot/addons/*'):
+ filename = os.path.basename(addon_file)
+ src_file = iso_mount + "/boot/addons/" + os.path.basename(addon_file)
+ logging.debug("Copying addon file %s" % filename)
+ exec_rsync(src_file, addons)
- # bsd imag
- handle_addon_copy('bsd4grml', addons, iso_mount)
- handle_addon_copy('balder10.imz', addons, iso_mount)
+def build_loopbackcfg(target):
+ """Generate GRUB's loopback.cfg based on existing config files.
- # install hdt and pci.ids only when using syslinux (grub doesn't support it)
- if options.syslinux:
- # hdt (hardware detection tool) image
- hdtimg = search_file('hdt.c32', iso_mount)
- if hdtimg:
- exec_rsync(hdtimg, addons + '/hdt.c32')
+ @target: target directory
+ """
+
+ grub_dir = '/boot/grub/'
+ mkdir(os.path.join(target, grub_dir))
+
+ f = open(target + grub_dir + 'loopback.cfg', 'w')
- # pci.ids file
- picids = search_file('pci.ids', iso_mount)
- if picids:
- exec_rsync(picids, addons + '/pci.ids')
+ f.write("# grml2usb generated grub2 configuration file\n")
+ f.write("source /boot/grub/header.cfg\n")
- # memdisk image
- handle_addon_copy('memdisk', addons, iso_mount)
+ for defaults in glob.glob(target + os.path.sep + grub_dir + os.path.sep + "*_default.cfg"):
+ sourcefile = defaults.split(target + os.path.sep)[1]
+ logging.debug("Found source file" + sourcefile)
+ os.path.isfile(defaults) and f.write("source " + sourcefile + "\n")
- # memtest86+ image
- handle_addon_copy('memtest', addons, iso_mount)
+ for ops in glob.glob(target + os.path.sep + grub_dir + os.path.sep + "*_options.cfg"):
+ sourcefile = ops.split(target + os.path.sep)[1]
+ logging.debug("Found source file" + sourcefile)
+ os.path.isfile(ops) and f.write("source " + sourcefile + "\n")
- # gpxe.lkrn: got replaced by ipxe
- handle_addon_copy('gpxe.lkrn', addons, iso_mount, ignore_errors=True)
+ f.write("source /boot/grub/addons.cfg\n")
+ f.write("source /boot/grub/footer.cfg\n")
+ f.close()
- # ipxe.lkrn
- handle_addon_copy('ipxe.lkrn', addons, iso_mount)
def glob_and_copy(filepattern, dst):
"""Glob on specified filepattern and copy the result to dst
for name in glob.glob(filepattern):
copy_if_exist(name, dst)
+
def search_and_copy(filename, search_path, dst):
"""Search for the specified filename at searchpath and copy it to dst
file_location = search_file(filename, search_path)
copy_if_exist(file_location, dst)
+
def copy_if_exist(filename, dst):
"""Copy filename to dst if filename is set.
if filename and (os.path.isfile(filename) or os.path.isdir(filename)):
exec_rsync(filename, dst)
+
def copy_bootloader_files(iso_mount, target, grml_flavour):
"""Copy grml's bootloader files to a given target
grub_target = target + '/boot/grub/'
execute(mkdir, grub_target)
-
- logo = search_file('logo.16', iso_mount)
+ logo = search_file('logo.16', iso_mount, required=True)
exec_rsync(logo, syslinux_target + 'logo.16')
+ bootx64_efi = search_file('bootx64.efi', iso_mount)
+ if bootx64_efi:
+ mkdir(target + '/efi/boot/')
+ exec_rsync(bootx64_efi, target + '/efi/boot/bootx64.efi')
- for ffile in ['f%d' % number for number in range(1, 11) ]:
- search_and_copy(ffile, iso_mount, syslinux_target + ffile)
+ efi_img = search_file('efi.img', iso_mount)
+ if efi_img:
+ mkdir(target + '/boot/')
+ exec_rsync(efi_img, target + '/boot/efi.img')
+ handle_secure_boot(target, efi_img)
- loopback_cfg = search_file("loopback.cfg", iso_mount)
- if loopback_cfg:
- directory = os.path.dirname(loopback_cfg)
- directory = directory.replace(iso_mount, "")
- mkdir(os.path.join(target, directory))
- exec_rsync(loopback_cfg, target + os.path.sep + directory)
+ for ffile in ['f%d' % number for number in range(1, 11)]:
+ search_and_copy(ffile, iso_mount, syslinux_target + ffile)
# avoid the "file is read only, overwrite anyway (y/n) ?" question
# of mtools by syslinux ("mmove -D o -D O s:/ldlinux.sys $target_file")
(source_dir, defaults_file) = get_defaults_file(iso_mount, grml_flavour, "grml.cfg")
if not source_dir:
- logging.critical("Fatal: file default.cfg could not be found.")
- logging.critical("Note: this grml2usb version requires an ISO generated by grml-live >=0.9.24 ...")
- logging.critical(" ... either use grml releases >=2009.10 or switch to an older grml2usb version.")
- logging.critical(" Please visit http://grml.org/grml2usb/#grml2usb-compat for further information.")
- raise
+ raise CriticalException(
+ "file default.cfg could not be found.\n"
+ "Note: this grml2usb version requires an ISO generated by grml-live >=0.9.24 ...\n"
+ " ... either use grml releases >=2009.10 or switch to an older grml2usb version.")
+
+ if not os.path.exists(iso_mount + '/boot/grub/footer.cfg'):
+ logging.warning("Warning: Grml releases older than 2011.12 support only one flavour in grub.")
for expr in name, 'distri.cfg', \
- defaults_file, 'grml.png', 'hd.cfg', 'isolinux.cfg', 'isolinux.bin', \
- 'isoprompt.cfg', 'options.cfg', \
- 'prompt.cfg', 'vesamenu.cfg', 'grml.png', '*.c32':
+ defaults_file, 'grml.png', 'hd.cfg', 'isolinux.cfg', 'isolinux.bin', \
+ 'isoprompt.cfg', 'options.cfg', \
+ 'prompt.cfg', 'vesamenu.cfg', 'grml.png', '*.c32':
glob_and_copy(iso_mount + source_dir + expr, syslinux_target)
- for filename in glob.glob1(syslinux_target, "*.c32"):
- copy_if_exist(os.path.join(SYSLINUX_LIBS, filename), syslinux_target)
-
+ for modules_dir in options.syslinuxlibs + SYSLINUX_LIBS:
+ if os.path.isdir(modules_dir):
+ for filename in glob.glob1(syslinux_target, "*.c32"):
+ copy_if_exist(os.path.join(modules_dir, filename), syslinux_target)
+ break
# copy the addons_*.cfg file to the new syslinux directory
glob_and_copy(iso_mount + source_dir + 'addon*.cfg', syslinux_target)
search_and_copy('hidden.cfg', iso_mount + source_dir, syslinux_target + "new_" + 'hidden.cfg')
+ # copy all grub files from ISO
+ glob_and_copy(iso_mount + '/boot/grub/*', grub_target)
- grub_target = target + '/boot/grub/'
- execute(mkdir, grub_target)
-
- if not os.path.isfile(GRML2USB_BASE + "/grub/splash.xpm.gz"):
- logging.critical("Error: %s/grub/splash.xpm.gz can not be read.", GRML2USB_BASE)
- logging.critical("Please make sure you've installed the grml2usb (Debian) package!")
- raise
- else:
- exec_rsync(GRML2USB_BASE + '/grub/splash.xpm.gz', grub_target + 'splash.xpm.gz')
-
- # grml splash in grub
- copy_if_exist(GRML2USB_BASE + "/grub/grml.png", grub_target + 'grml.png')
-
- # font file for graphical bootsplash in grub
- copy_if_exist('/usr/share/grub/ascii.pf2', grub_target + 'ascii.pf2')
-
- # always copy grub content as it might be useful
+ # finally (after all GRUB files have been installed) build static loopback.cfg
+ build_loopbackcfg(target)
- glob_and_copy(iso_mount + '/boot/grub/*.mod', grub_target)
- glob_and_copy(iso_mount + '/boot/grub/*.img', grub_target)
- glob_and_copy(iso_mount + '/boot/grub/stage*', grub_target)
def install_iso_files(grml_flavour, iso_mount, device, target):
"""Copy files from ISO to given target
logging.info("Copying files. This might take a while....")
try:
copy_system_files(grml_flavour, iso_mount, target)
- copy_grml_files(iso_mount, target)
- except CriticalException, error:
+ copy_grml_files(grml_flavour, iso_mount, target)
+ except CriticalException as error:
logging.critical("Execution failed: %s", error)
sys.exit(1)
proc.wait()
+def get_device_from_partition(partition):
+ device = partition
+ partition_number = None
+ if partition[-1].isdigit() and not RE_LOOP_DEVICE.match(partition):
+ m = RE_P_PARTITION.match(partition) or RE_PARTITION.match(partition)
+ if m:
+ device = m.group(1)
+ partition_number = int(m.group(2)) - 1
+ return (device, partition_number)
+
+
def get_flavour(flavour_str):
"""Returns the flavour of a grml version string
"""
return re.match(r'[\w-]*', flavour_str).group()
+
def identify_grml_flavour(mountpath):
"""Get name of grml flavour
@mountpath: path where the grml ISO is mounted to
@return: name of grml-flavour"""
- version_file = search_file('grml-version', mountpath)
+ version_files = search_file('grml-version', mountpath, lst_return=True)
- if version_file == "":
- logging.critical("Error: could not find grml-version file.")
- raise
+ if not version_files:
+ if mountpath.startswith("/run/live/medium"):
+ logging.critical("Error: could not find grml-version file.")
+ logging.critical("Looks like your system is running from RAM but required files are not available.")
+ logging.critical("Please either boot without toram=... or use boot option toram instead of toram=...")
+ else:
+ logging.critical("Error: could not find grml-version file.")
+ cleanup()
+ sys.exit(1)
flavours = []
- tmpfile = None
- try:
- tmpfile = open(version_file, 'r')
- for line in tmpfile.readlines():
- flavours.append(get_flavour(line))
- except TypeError, e:
- raise
- except Exception, e:
- logging.critical("Unexpected error: %s", e)
- raise
- finally:
- if tmpfile:
- tmpfile.close()
+ logging.debug("version_files = %s", version_files)
+ for version_file in version_files:
+ tmpfile = None
+ try:
+ tmpfile = open(version_file, 'r')
+ for line in tmpfile.readlines():
+ flavours.append(get_flavour(line))
+ finally:
+ if tmpfile:
+ tmpfile.close()
return flavours
-def modify_grub_config(filename):
- """Adjust bootoptions for a grub file
-
- @filename: filename to modify
- """
- if options.removeoption:
- regexe = []
- for regex in options.removeoption:
- regexe.append(re.compile(r'%s' % regex))
-
- option_re = re.compile(r'(.*/boot/release/.*linux26.*)')
-
- for line in fileinput.input(filename, inplace=1):
- if regexe and option_re.search(line):
- for regex in regexe:
- line = regex.sub(' ', line)
-
- sys.stdout.write(line)
-
- fileinput.close()
-
-def handle_grub1_config(grml_flavour, install_partition, grub_target, bootopt):
- """Main handler for generating grub1 configuration
-
- @grml_flavour: name of grml flavour the configuration should be generated for
- @install_partition: partition number for use in (hd0,X)
- @grub_target: path of grub's configuration files
- @bootoptions: additional bootoptions that should be used by default"""
-
- # grub1 config
- grub1_cfg = grub_target + 'menu.lst'
- logging.debug("Creating grub1 configuration file (menu.lst)")
-
- # install main configuration only *once*, no matter how many ISOs we have:
- if os.path.isfile(grub1_cfg):
- string = open(grub1_cfg).readline()
- main_identifier = re.compile(".*main config generated at: %s.*" % re.escape(str(DATESTAMP)))
- if not re.match(main_identifier, string):
- grub1_config_file = open(grub1_cfg, 'w')
- grub1_config_file.write(generate_main_grub1_config(grml_flavour, install_partition, bootopt))
- grub1_config_file.close()
- else:
- grub1_config_file = open(grub1_cfg, 'w')
- grub1_config_file.write(generate_main_grub1_config(grml_flavour, install_partition, bootopt))
- grub1_config_file.close()
-
- grub_flavour_config = True
- if os.path.isfile(grub1_cfg):
- string = open(grub1_cfg).readlines()
- flavour = re.compile("grml2usb for %s: %s" % (re.escape(grml_flavour), re.escape(str(DATESTAMP))))
- for line in string:
- if flavour.match(line):
- grub_flavour_config = False
-
- if grub_flavour_config:
- grub1_config_file = open(grub1_cfg, 'a')
- grub1_config_file.write(generate_flavour_specific_grub1_config(grml_flavour, install_partition, bootopt))
- grub1_config_file.close()
-
- modify_grub_config(grub1_cfg)
-
- # make sure grub.conf isn't a symlink but a plain file instead,
- # otherwise it will break on FAT16 filesystems
- # this works around grub-install of (at least) Fedora 10
- if os.path.isfile(grub1_cfg):
- grubconf = grub_target + 'grub.conf'
- if not os.path.islink(grubconf):
- import shutil
- shutil.copyfile(grub1_cfg, grub_target + 'grub.conf')
-
-def handle_grub2_config(grml_flavour, grub_target, bootopt):
- """Main handler for generating grub2 configuration
-
- @grml_flavour: name of grml flavour the configuration should be generated for
- @grub_target: path of grub's configuration files
- @bootoptions: additional bootoptions that should be used by default"""
-
- # grub2 config
- grub2_cfg = grub_target + 'grub.cfg'
- logging.debug("Creating grub2 configuration file (grub.cfg)")
-
- global GRML_DEFAULT
-
- # install main configuration only *once*, no matter how many ISOs we have:
- grub_flavour_is_default = False
- if os.path.isfile(grub2_cfg):
- string = open(grub2_cfg).readline()
- main_identifier = re.compile(".*main config generated at: %s.*" % re.escape(str(DATESTAMP)))
- if not re.match(main_identifier, string):
- grub2_config_file = open(grub2_cfg, 'w')
- GRML_DEFAULT = grml_flavour
- grub_flavour_is_default = True
- grub2_config_file.write(generate_main_grub2_config(grml_flavour, bootopt))
- grub2_config_file.close()
- else:
- grub2_config_file = open(grub2_cfg, 'w')
- GRML_DEFAULT = grml_flavour
- grub_flavour_is_default = True
- grub2_config_file.write(generate_main_grub2_config(grml_flavour, bootopt))
- grub2_config_file.close()
-
- # install flavour specific configuration only *once* as well
- grub_flavour_config = True
- if os.path.isfile(grub2_cfg):
- string = open(grub2_cfg).readlines()
- flavour = re.compile("grml2usb for %s: %s" % (re.escape(grml_flavour), re.escape(str(DATESTAMP))))
- for line in string:
- if flavour.match(line):
- grub_flavour_config = False
-
- if grub_flavour_config:
- grub2_config_file = open(grub2_cfg, 'a')
- # display only if the grml flavour isn't the default
- if not grub_flavour_is_default:
- GRML_FLAVOURS.add(grml_flavour)
- grub2_config_file.write(generate_flavour_specific_grub2_config(grml_flavour, bootopt))
- grub2_config_file.close()
-
- modify_grub_config(grub2_cfg)
-
-
def get_bootoptions(grml_flavour):
"""Returns bootoptions for specific flavour
@device: device/partition where grub should be installed to
@target: path of grub's configuration files"""
- logging.debug("Generating grub configuration")
+ global UUID
- grub_target = target + '/boot/grub/'
+ logging.debug("Updating grub configuration")
- if os.path.isdir(device):
- install_grub1_partition = None
- else:
- if device[-1:].isdigit():
- install_grub1_partition = int(device[-1:]) - 1
- else:
- raise CriticalException("error validating partition schema (raw device?)")
+ grub_target = target + '/boot/grub/'
+ secureboot_target = target + '/EFI/ubuntu/'
+ bootid_re = re.compile("bootid=[\w_-]+")
+ live_media_path_re = re.compile("live-media-path=[\w_/-]+")
bootopt = get_bootoptions(grml_flavour)
- # write menu.lst
- handle_grub1_config(grml_flavour, install_grub1_partition, grub_target, bootopt)
- # write grub.cfg
- handle_grub2_config(grml_flavour, grub_target, bootopt)
+ remove_regexes = []
+ option_re = re.compile(r'(.*/boot/.*(linux26|vmlinuz).*)')
+
+ if options.removeoption:
+ for regex in options.removeoption:
+ remove_regexes.append(re.compile(regex))
+
+ shortname = get_shortname(grml_flavour)
+ for filename in glob.glob(grub_target + '*.cfg') + glob.glob(secureboot_target + '*.cfg'):
+ for line in fileinput.input(filename, inplace=1):
+ line = line.rstrip("\r\n")
+ if option_re.search(line):
+ line = bootid_re.sub('', line)
+ if shortname in filename:
+ line = live_media_path_re.sub('', line)
+ line = line.rstrip() + ' live-media-path=/live/%s/ ' % (grml_flavour)
+ if bootopt.strip():
+ line = line.replace(' {} '.format(bootopt.strip()), ' ')
+ if line.endswith(bootopt):
+ line = line[:-len(bootopt)]
+ line = line.rstrip() + r' bootid=%s %s ' % (UUID, bootopt)
+ for regex in remove_regexes:
+ line = regex.sub(' ', line)
+ print(line)
+ fileinput.close()
def initial_syslinux_config(target):
- """Generates intial syslinux configuration
+ """Generates initial syslinux configuration
@target path of syslinux's configuration files"""
data.write("include hidden.cfg\n")
data.close()
+
def add_entry_if_not_present(filename, entry):
"""Write entry into filename if entry is not already in the file
- @filanme: name of the file
+ @filename: name of the file
@entry: data to write to the file
"""
data = open(filename, "a+")
data.close()
+
def get_flavour_filename(flavour):
"""Generate a iso9960 save filename out of the specified flavour
"""
return flavour.replace('-', '_')
+
def adjust_syslinux_bootoptions(src, flavour):
"""Adjust existing bootoptions of specified syslinux config to
grml2usb specific ones, e.g. change the location of the kernel...
@flavour: grml flavour
"""
- append_re = re.compile("^(\s*append.*/boot/release.*)$", re.I)
- boot_re = re.compile("/boot/([a-zA-Z0-9_]+/)+([a-zA-Z0-9._]+)")
+ append_re = re.compile("^(\s*append.*/boot/.*)$", re.I)
# flavour_re = re.compile("(label.*)(grml\w+)")
default_re = re.compile("(default.cfg)")
bootid_re = re.compile("bootid=[\w_-]+")
regexe = []
option_re = None
if options.removeoption:
- option_re = re.compile(r'/boot/release/.*/initrd.gz')
+ option_re = re.compile(r'/boot/.*/(initrd.gz|initrd.img)')
for regex in options.removeoption:
regexe.append(re.compile(r'%s' % regex))
for line in fileinput.input(src, inplace=1):
- line = boot_re.sub(r'/boot/release/%s/\2 ' % flavour.replace('-', ''), line)
# line = flavour_re.sub(r'\1 %s-\2' % flavour, line)
line = default_re.sub(r'%s-\1' % flavour, line)
line = bootid_re.sub('', line)
sys.stdout.write(line)
fileinput.close()
+
def adjust_labels(src, replacement):
"""Adjust the specified labels in the syslinux config file src with
specified replacement
data.write(generate_flavour_specific_syslinux_config(grml_flavour))
data.close()
+
def modify_filenames(grml_flavour, target, filenames):
- """Replace the standarf filenames with the new ones
+ """Replace the standard filenames with the new ones
@grml_flavour: grml-flavour strin
@target: directory where the files are located
@filenames: list of filenames to alter
"""
- grml_filename = grml_flavour.replace('-', '_')
+ grml_filename = get_flavour_filename(grml_flavour)
for filename in filenames:
old_filename = "%s/%s" % (target, filename)
new_filename = "%s/%s_%s" % (target, grml_filename, filename)
execute(mkdir, syslinux_target)
syslinux_cfg = syslinux_target + 'syslinux.cfg'
-
# install main configuration only *once*, no matter how many ISOs we have:
syslinux_config_file = open(syslinux_cfg, 'w')
- syslinux_config_file.write("TIMEOUT 300\n")
+ syslinux_config_file.write("timeout 300\n")
syslinux_config_file.write("include vesamenu.cfg\n")
syslinux_config_file.close()
prompt_name.close()
initial_syslinux_config(syslinux_target)
- flavour_filename = grml_flavour.replace('-', '_')
+ flavour_filename = get_flavour_filename(grml_flavour)
if search_file('default.cfg', syslinux_target):
modify_filenames(grml_flavour, syslinux_target, ['grml.cfg', 'default.cfg'])
filename = search_file("new_hidden.cfg", syslinux_target)
-
# process hidden file
if not search_file("hidden.cfg", syslinux_target):
new_hidden = syslinux_target + "hidden.cfg"
os.rename(filename, new_hidden)
adjust_syslinux_bootoptions(new_hidden, grml_flavour)
else:
- new_hidden_file = "%s/%s_hidden.cfg" % (syslinux_target, flavour_filename)
+ new_hidden_file = "%s/%s_hidden.cfg" % (syslinux_target, flavour_filename)
os.rename(filename, new_hidden_file)
adjust_labels(new_hidden_file, r'\1 %s-\2' % grml_flavour)
adjust_syslinux_bootoptions(new_hidden_file, grml_flavour)
entry = 'include %s_hidden.cfg\n' % flavour_filename
add_entry_if_not_present("%s/hiddens.cfg" % syslinux_target, entry)
-
-
new_default = "%s_default.cfg" % (flavour_filename)
entry = 'include %s\n' % new_default
defaults_file = '%s/defaults.cfg' % syslinux_target
new_default_with_path = "%s/%s" % (syslinux_target, new_default)
- new_grml_cfg = "%s/%s_grml.cfg" % ( syslinux_target, flavour_filename)
+ new_grml_cfg = "%s/%s_grml.cfg" % (syslinux_target, flavour_filename)
if os.path.isfile(defaults_file):
add_syslinux_entry("%s/additional.cfg" % syslinux_target, flavour_filename)
+def handle_secure_boot(target, efi_img):
+ """Provide secure boot support by extracting files from /boot/efi.img
+
+ @target: path where grml's main files should be copied to
+ @efi_img: path to the efi.img file that includes the files for secure boot
+ """
+
+ mkdir(target + '/efi/boot/')
+ efi_mountpoint = tempfile.mkdtemp(prefix="grml2usb", dir=os.path.abspath(options.tmpdir))
+ logging.debug("efi_mountpoint = %s" % efi_mountpoint)
+ register_tmpfile(efi_mountpoint)
+
+ try:
+ logging.debug("mount(%s, %s, ['-o', 'ro', '-t', 'vfat']" % (efi_img, efi_mountpoint))
+ mount(efi_img, efi_mountpoint, ['-o', 'ro', '-t', 'vfat'])
+ except CriticalException as error:
+ logging.critical("Fatal: %s", error)
+ sys.exit(1)
+
+ ubuntu_cfg = search_file('grub.cfg', efi_mountpoint + '/EFI/ubuntu')
+ logging.debug("ubuntu_cfg = %s" % ubuntu_cfg)
+ if not ubuntu_cfg:
+ logging.info("No /EFI/ubuntu/grub.cfg found inside EFI image, looks like Secure Boot support is missing.")
+ else:
+ mkdir(target + '/efi/ubuntu')
+ logging.debug("exec_rsync(%s, %s + '/efi/ubuntu/grub.cfg')" % (ubuntu_cfg, target))
+ exec_rsync(ubuntu_cfg, target + '/efi/ubuntu/grub.cfg')
+
+ logging.debug("exec_rsync(%s + '/EFI/BOOT/grubx64.efi', %s + '/efi/boot/grubx64.efi')'" % (efi_mountpoint, target))
+ exec_rsync(efi_mountpoint + '/EFI/BOOT/grubx64.efi', target + '/efi/boot/grubx64.efi')
+
+ # NOTE - we're overwriting /efi/boot/bootx64.efi from copy_bootloader_files here
+ logging.debug("exec_rsync(%s + '/EFI/BOOT/bootx64.efi', %s + '/efi/boot/bootx64.efi')'" % (efi_mountpoint, target))
+ exec_rsync(efi_mountpoint + '/EFI/BOOT/bootx64.efi', target + '/efi/boot/bootx64.efi')
+
+ try:
+ unmount(efi_mountpoint, "")
+ logging.debug('Unmounted %s' % efi_mountpoint)
+ os.rmdir(efi_mountpoint)
+ logging.debug('Removed directory %s' % efi_mountpoint)
+ except Exception:
+ logging.critical('RuntimeError while umount %s' % efi_mountpoint)
+ sys.exit(1)
+
+
def handle_bootloader_config(grml_flavour, device, target):
"""Main handler for generating bootloader's configuration
else:
try:
handle_syslinux_config(grml_flavour, target)
- except CriticalException, error:
+ except CriticalException as error:
logging.critical("Fatal: %s", error)
sys.exit(1)
else:
try:
handle_grub_config(grml_flavour, device, target)
- except CriticalException, error:
+ except CriticalException as error:
logging.critical("Fatal: %s", error)
sys.exit(1)
-
def install(image, device):
"""Install a grml image to the specified device
iso_mountpoint = image
remove_image_mountpoint = False
if os.path.isdir(image):
- logging.info("Using %s as install base", image)
+ if options.force or os.path.exists(os.path.join(image, 'live')):
+ logging.info("Using %s as install base", image)
+ else:
+ q = input("%s does not look like a Grml system. "
+ "Do you really want to use this image? y/N " % image)
+ if q.lower() == 'y':
+ logging.info("Using %s as install base", image)
+ else:
+ logging.info("Skipping install base %s", image)
else:
logging.info("Using ISO %s", image)
- iso_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
+ iso_mountpoint = tempfile.mkdtemp(prefix="grml2usb", dir=os.path.abspath(options.tmpdir))
register_tmpfile(iso_mountpoint)
remove_image_mountpoint = True
try:
mount(image, iso_mountpoint, ["-o", "loop,ro", "-t", "iso9660"])
- except CriticalException, error:
+ except CriticalException as error:
logging.critical("Fatal: %s", error)
sys.exit(1)
if remove_image_mountpoint:
try:
remove_mountpoint(iso_mountpoint)
- except CriticalException, error:
- logging.critical("Fatal: %s", error)
+ except CriticalException as error:
cleanup()
-
+ raise
def install_grml(mountpoint, device):
- """Main logic for copying files of the currently running grml system.
+ """Main logic for copying files of the currently running Grml system.
- @mountpoin: directory where currently running live system resides (usually /live/image)
+ @mountpoint: directory where currently running live system resides (usually /run/live/medium)
@device: partition where the specified ISO should be installed to"""
device_mountpoint = device
if os.path.isdir(device):
- logging.info("Specified device is not a directory, therefore not mounting.")
+ logging.info("Specified device is a directory, therefore not mounting.")
remove_device_mountpoint = False
else:
device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
remove_device_mountpoint = True
try:
check_for_fat(device)
+ if not options.skipbootflag:
+ check_boot_flag(device)
+
+ set_rw(device)
mount(device, device_mountpoint, ['-o', 'utf8,iocharset=iso8859-1'])
- except CriticalException, error:
- try:
- mount(device, device_mountpoint, "")
- except CriticalException, error:
- logging.critical("Fatal: %s", error)
- raise
+ except CriticalException as error:
+ mount(device, device_mountpoint, "")
try:
grml_flavours = identify_grml_flavour(mountpoint)
for flavour in set(grml_flavours):
if remove_device_mountpoint:
remove_mountpoint(device_mountpoint)
+
def remove_mountpoint(mountpoint):
- """remove a registred mountpoint
+ """remove a registered mountpoint
"""
try:
if os.path.isdir(mountpoint):
os.rmdir(mountpoint)
unregister_tmpfile(mountpoint)
- except CriticalException, error:
- logging.critical("Fatal: %s", error)
+ except CriticalException as error:
cleanup()
+ raise
+
def handle_mbr(device):
"""Main handler for installing master boot record (MBR)
logging.info("Would install MBR")
return 0
- if device[-1:].isdigit():
- mbr_device = re.match(r'(.*?)\d*$', device).group(1)
- partition_number = int(device[-1:]) - 1
- skip_install_mir_mbr = False
+ mbr_device, partition_number = get_device_from_partition(device)
+ if partition_number is None:
+ logging.warn("Could not detect partition number, not activating partition")
# if we get e.g. /dev/loop1 as device we don't want to put the MBR
# into /dev/loop of course, therefore use /dev/loop1 as mbr_device
if mbr_device == "/dev/loop":
mbr_device = device
logging.info("Detected loop device - using %s as MBR device therefore", mbr_device)
- skip_install_mir_mbr = True
+
+ mbrcode = GRML2USB_BASE + '/mbr/mbrldr'
+ if options.syslinuxmbr:
+ mbrcode = ""
+ mbr_locations = ('/usr/lib/syslinux/mbr.bin',
+ '/usr/lib/syslinux/bios/mbr.bin',
+ '/usr/share/syslinux/mbr.bin')
+ for mbrpath in mbr_locations:
+ if os.path.isfile(mbrpath):
+ mbrcode = mbrpath
+ break
+
+ if not mbrcode:
+ str_locations = " or ".join(['"%s"' % l for l in mbr_locations])
+ logging.error('Cannot find syslinux MBR, install it at %s)',
+ str_locations)
+ raise CriticalException("syslinux MBR can not be found at %s."
+ % str_locations)
+ elif options.mbrmenu:
+ mbrcode = GRML2USB_BASE + '/mbr/mbrldr'
try:
- if options.syslinuxmbr:
- handle_syslinux_mbr(mbr_device)
- elif not skip_install_mir_mbr:
- if options.mbrmenu:
- install_mir_mbr(GRML2USB_BASE + '/mbr/mbrmgr', mbr_device, partition_number, True)
- else:
- install_mir_mbr(GRML2USB_BASE + '/mbr/mbrldr', mbr_device, partition_number, False)
- except IOError, error:
- logging.critical("Execution failed: %s", error)
- sys.exit(1)
- except Exception, error:
+ install_mbr(mbrcode, mbr_device, partition_number, True)
+ except (IOError, Exception) as error:
logging.critical("Execution failed: %s", error)
sys.exit(1)
sys.exit(1)
if options.force:
- print "Forcing mkfs.fat16 on %s as requested via option --force." % device
+ print("Forcing mkfs.fat16 on %s as requested via option --force." % device)
else:
# make sure the user is aware of what he is doing
- f = raw_input("Are you sure you want to format the specified partition with fat16? y/N ")
+ f = input("Are you sure you want to format the specified partition with fat16? y/N ")
if f == "y" or f == "Y":
logging.info("Note: you can skip this question using the option --force")
else:
sys.exit(1)
try:
mkfs_fat16(device)
- except CriticalException, error:
+ except CriticalException as error:
logging.critical("Execution failed: %s", error)
sys.exit(1)
if device is not None and not os.path.isdir(device) and options.syslinux:
try:
check_for_fat(device)
- except CriticalException, error:
+ except CriticalException as error:
logging.critical("Execution failed: %s", error)
sys.exit(1)
+ if options.skipusbcheck:
+ logging.info("Not checking for removable USB device as requested via option --skip-usb-check.")
+ return
+
if not os.path.isdir(device) and not check_for_usbdevice(device) and not options.force:
- print "Warning: the specified device %s does not look like a removable usb device." % device
- f = raw_input("Do you really want to continue? y/N ")
- if f == "y" or f == "Y":
- pass
- else:
+ print("Warning: the specified device %s does not look like a removable usb device." % device)
+ f = input("Do you really want to continue? y/N ")
+ if f.lower() != "y":
sys.exit(1)
# make sure we can replace old grml2usb script and warn user when using old way of life:
if device.startswith("/mnt/external") or device.startswith("/mnt/usb") and not options.force:
- print "Warning: the semantics of grml2usb has changed."
- print "Instead of using grml2usb /path/to/iso %s you might" % device
- print "want to use grml2usb /path/to/iso /dev/... instead."
- print "Please check out the grml2usb manpage for details."
- f = raw_input("Do you really want to continue? y/N ")
- if f == "y" or f == "Y":
- pass
- else:
+ print("Warning: the semantics of grml2usb has changed.")
+ print("Instead of using grml2usb /path/to/iso %s you might" % device)
+ print("want to use grml2usb /path/to/iso /dev/... instead.")
+ print("Please check out the grml2usb manpage for details.")
+ f = input("Do you really want to continue? y/N ")
+ if f.lower() != "y":
sys.exit(1)
if options.verbose and options.quiet:
parser.error("please use either verbose (--verbose) or quiet (--quiet) option")
+ FORMAT = "%(message)s"
if options.verbose:
- FORMAT = "Debug: %(asctime)-15s %(message)s"
+ FORMAT = "%(asctime)-15s %(message)s"
logging.basicConfig(level=logging.DEBUG, format=FORMAT)
elif options.quiet:
- FORMAT = "Critical: %(message)s"
logging.basicConfig(level=logging.CRITICAL, format=FORMAT)
else:
- FORMAT = "%(message)s"
logging.basicConfig(level=logging.INFO, format=FORMAT)
def check_options(opts):
- """Check compability of provided user opts
+ """Check compatibility of provided user opts
@opts option dict from OptionParser
"""
if opts.grubmbr and not opts.grub:
- logging.critical("Error: --grub-mbr requires --grub option.")
- sys.exit(1)
+ raise CriticalException("--grub-mbr requires --grub option.")
+
+ if opts.copyonly and opts.grub:
+ raise CriticalException("Cannot use --copy-only and --grub at the same time.")
def check_programs():
"""check if all needed programs are installed"""
if options.grub:
- if not which("grub-install"):
- logging.critical("Fatal: grub-install not available (please install the "
- + "grub package or drop the --grub option)")
+ global GRUB_INSTALL
+ GRUB_INSTALL = which("grub-install") or which("grub2-install")
+ if not GRUB_INSTALL:
+ logging.critical("Fatal: grub-install not available (please install the " +
+ "grub package or drop the --grub option)")
sys.exit(1)
if options.syslinux:
if not which("syslinux"):
- logging.critical("Fatal: syslinux not available (please install the "
- + "syslinux package or use the --grub option)")
+ logging.critical("Fatal: syslinux not available (please install the " +
+ "syslinux package or use the --grub option)")
sys.exit(1)
if not which("rsync"):
logging.critical("Fatal: rsync not available, can not continue - sorry.")
sys.exit(1)
+
+def load_loop():
+ """Runs modprobe loop and throws away its output"""
+ if not which("modprobe"):
+ logging.critical("Fatal: modprobe not available, can not continue - sorry.")
+ logging.critical("Hint: is /sbin missing in PATH?")
+ sys.exit(1)
+
+ proc = subprocess.Popen(["modprobe", "loop"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ proc.communicate()
+
+
def main():
"""Main function [make pylint happy :)]"""
- if options.version:
- print os.path.basename(sys.argv[0]) + " " + PROG_VERSION
- sys.exit(0)
+ try:
+ if options.version:
+ print(os.path.basename(sys.argv[0]) + " " + PROG_VERSION)
+ sys.exit(0)
- if len(args) < 2:
- parser.error("invalid usage")
+ if len(args) < 2:
+ parser.error("invalid usage")
- # log handling
- handle_logging()
+ # log handling
+ handle_logging()
- # make sure we have the appropriate permissions
- check_uid_root()
+ # make sure we have the appropriate permissions
+ check_uid_root()
- check_options(options)
+ check_options(options)
- logging.info("Executing grml2usb version %s", PROG_VERSION)
+ load_loop()
- if options.dryrun:
- logging.info("Running in simulation mode as requested via option dry-run.")
+ logging.info("Executing grml2usb version %s", PROG_VERSION)
- check_programs()
+ if options.dryrun:
+ logging.info("Running in simulation mode as requested via option dry-run.")
- # specified arguments
- device = args[len(args) - 1]
- isos = args[0:len(args) - 1]
+ check_programs()
- if not os.path.isdir(device):
- if device[-1:].isdigit():
- if int(device[-1:]) > 4 or device[-2:].isdigit():
- logging.critical("Fatal: installation on partition number >4 not supported. (BIOS won't support it.)")
- sys.exit(1)
- elif os.path.exists(device):
- logging.critical("Fatal: installation on raw device not supported. (BIOS won't support it.)")
- sys.exit(1)
+ # specified arguments
+ device = os.path.realpath(args[len(args) - 1])
+ isos = args[0:len(args) - 1]
+
+ if not os.path.isdir(device):
+ if device[-1:].isdigit():
+ if int(device[-1:]) > 4 or device[-2:].isdigit():
+ logging.warn("Warning: installing on partition number >4, booting *might* fail depending on your system.")
+ # provide upgrade path
+ handle_compat_warning(device)
- # provide upgrade path
- handle_compat_warning(device)
+ # check for vfat partition
+ handle_vfat(device)
- # check for vfat partition
- handle_vfat(device)
+ # main operation (like installing files)
+ for iso in isos:
+ install(iso, device)
- # main operation (like installing files)
- for iso in isos:
- install(iso, device)
+ # install mbr
+ is_superfloppy = not device[-1:].isdigit()
+ if is_superfloppy:
+ logging.info("Detected superfloppy format - not installing MBR")
- # install mbr
- if not options.skipmbr and not os.path.isdir(device):
- handle_mbr(device)
+ if not options.skipmbr and not os.path.isdir(device) and not is_superfloppy:
+ handle_mbr(device)
- handle_bootloader(device)
+ handle_bootloader(device)
- logging.info("Note: grml flavour %s was installed as the default booting system.", GRML_DEFAULT)
+ logging.info("Note: grml flavour %s was installed as the default booting system.", GRML_DEFAULT)
- for flavour in GRML_FLAVOURS:
- logging.info("Note: you can boot flavour %s using '%s' on the commandline.", flavour, flavour)
+ for flavour in GRML_FLAVOURS:
+ logging.info("Note: you can boot flavour %s using '%s' on the commandline.", flavour, flavour)
- # finally be politely :)
- logging.info("Finished execution of grml2usb (%s). Have fun with your grml system.", PROG_VERSION)
+ # finally be polite :)
+ logging.info("Finished execution of grml2usb (%s). Have fun with your Grml system.", PROG_VERSION)
+
+ except Exception as error:
+ logging.critical("Fatal: %s", str(error))
+ if options.verbose:
+ logging.exception("Exception:")
+ sys.exit(1)
if __name__ == "__main__":
logging.info("Received KeyboardInterrupt")
cleanup()
-## END OF FILE #################################################################
+# END OF FILE ##################################################################
# vim:foldmethod=indent expandtab ai ft=python tw=120 fileencoding=utf-8