2 # -*- coding: utf-8 -*-
7 This script installs a grml system (either a running system or ISO[s]) to a USB device
9 :copyright: (c) 2009 by Michael Prokop <mika@grml.org>
10 :license: GPL v2 or any later version
11 :bugreports: http://grml.org/bugs/
15 # from __future__ import with_statement
16 from optparse import OptionParser
17 from inspect import isroutine, isclass
18 import datetime, logging, os, re, subprocess, sys, tempfile, time, os.path
21 PROG_VERSION = "0.9.13-pre1"
22 MOUNTED = set() # register mountpoints
23 TMPFILES = set() # register tmpfiles
24 DATESTAMP = time.mktime(datetime.datetime.now().timetuple()) # unique identifier for syslinux.cfg
25 GRML_FLAVOURS = set() # which flavours are being installed?
29 USAGE = "Usage: %prog [options] <[ISO[s] | /live/image]> </dev/sdX#>\n\
31 %prog installs grml ISO[s] to an USB device to be able to boot from it.\n\
32 Make sure you have at least one grml ISO or a running grml system (/live/image),\n\
33 grub or syslinux and root access.\n\
35 Run %prog --help for usage hints, further information via: man grml2usb"
37 # pylint: disable-msg=C0103
38 parser = OptionParser(usage=USAGE)
39 parser.add_option("--bootoptions", dest="bootoptions",
40 action="store", type="string",
41 help="use specified bootoptions as default")
42 parser.add_option("--bootloader-only", dest="bootloaderonly", action="store_true",
43 help="do not copy files but just install a bootloader")
44 parser.add_option("--copy-only", dest="copyonly", action="store_true",
45 help="copy files only but do not install bootloader")
46 parser.add_option("--dry-run", dest="dryrun", action="store_true",
47 help="avoid executing commands")
48 parser.add_option("--fat16", dest="fat16", action="store_true",
49 help="format specified partition with FAT16")
50 parser.add_option("--force", dest="force", action="store_true",
51 help="force any actions requiring manual interaction")
52 parser.add_option("--grub", dest="grub", action="store_true",
53 help="install grub bootloader instead of (default) syslinux")
54 parser.add_option("--grub-mbr", dest="grubmbr", action="store_true",
55 help="install grub into MBR instead of (default) PBR")
56 parser.add_option("--lilo-binary", dest="lilobin", action="store", type="string",
57 help="lilo executable to be used for installing MBR")
58 parser.add_option("--mbr-menu", dest="mbrmenu", action="store_true",
59 help="enable interactive boot menu in MBR")
60 parser.add_option("--quiet", dest="quiet", action="store_true",
61 help="do not output anything but just errors on console")
62 parser.add_option("--skip-addons", dest="skipaddons", action="store_true",
63 help="do not install /boot/addons/ files")
64 parser.add_option("--skip-grub-config", dest="skipgrubconfig", action="store_true",
65 help="skip generation of grub configuration files")
66 parser.add_option("--skip-mbr", dest="skipmbr", action="store_true",
67 help="do not install a master boot record (MBR) on the device")
68 parser.add_option("--skip-syslinux-config", dest="skipsyslinuxconfig", action="store_true",
69 help="skip generation of syslinux configuration files")
70 parser.add_option("--syslinux", dest="syslinux", action="store_true",
71 help="install syslinux bootloader (deprecated as it's the default)")
72 parser.add_option("--syslinux-mbr", dest="syslinuxmbr", action="store_true",
73 help="install syslinux master boot record (MBR) instead of default")
74 parser.add_option("--verbose", dest="verbose", action="store_true",
75 help="enable verbose mode")
76 parser.add_option("-v", "--version", dest="version", action="store_true",
77 help="display version and exit")
78 (options, args) = parser.parse_args()
81 GRML2USB_BASE = '/usr/share/grml2usb'
82 if not os.path.isdir(GRML2USB_BASE):
83 GRML2USB_BASE = os.path.dirname(os.path.realpath(__file__))
86 class CriticalException(Exception):
87 """Throw critical exception if the exact error is not known but fatal."
89 @Exception: message"""
93 # The following two functions help to operate on strings as
94 # array (list) of bytes (octets). In Python 3000, the bytes
95 # datatype will need to be used. This is intended for using
96 # with manipulation of files on the octet level, like shell
97 # arrays, e.g. in MBR creation.
100 """Convert a list of integers [0;255] to a string."""
101 return struct.pack("%sB" % len(a), *a)
104 """Convert a (bytes) string into a list of integers."""
105 return struct.unpack("%sB" % len(s), s)
109 """Cleanup function to make sure there aren't any mounted devices left behind.
112 logging.info("Cleaning up before exiting...")
113 proc = subprocess.Popen(["sync"])
117 for device in MOUNTED:
119 # ignore: RuntimeError: Set changed size during iteration
121 logging.debug('caught expection RuntimeError, ignoring')
124 def register_tmpfile(path):
126 TODO - not implemented yet
132 def unregister_tmpfile(path):
134 TODO - not implemented yet
138 TMPFILES.remove(path)
141 def register_mountpoint(target):
142 """register specified target in a set() for handling clean exiting
144 @target: destination target of mountpoint
150 def unregister_mountpoint(target):
151 """unregister specified target in a set() for handling clean exiting
153 @target: destination target of mountpoint
156 if target in MOUNTED:
157 MOUNTED.remove(target)
160 def get_function_name(obj):
161 """Helper function for use in execute() to retrive name of a function
163 @obj: the function object
165 if not (isroutine(obj) or isclass(obj)):
167 return obj.__module__ + '.' + obj.__name__
170 def execute(f, *exec_arguments):
171 """Wrapper for executing a command. Either really executes
172 the command (default) or when using --dry-run commandline option
173 just displays what would be executed."""
174 # usage: execute(subprocess.Popen, (["ls", "-la"]))
175 # TODO: doesn't work for proc = execute(subprocess.Popen...() -> any ideas?
177 # pylint: disable-msg=W0141
178 logging.debug('dry-run only: %s(%s)', get_function_name(f), ', '.join(map(repr, exec_arguments)))
180 # pylint: disable-msg=W0142
181 return f(*exec_arguments)
185 """Check whether a given file can be executed
187 @fpath: full path to file
189 return os.path.exists(fpath) and os.access(fpath, os.X_OK)
193 """Check whether a given program is available in PATH
195 @program: name of executable"""
196 fpath = os.path.split(program)[0]
201 for path in os.environ["PATH"].split(os.pathsep):
202 exe_file = os.path.join(path, program)
209 def search_file(filename, search_path='/bin' + os.pathsep + '/usr/bin'):
210 """Given a search path, find file
212 @filename: name of file to search for
213 @search_path: path where searching for the specified filename"""
215 paths = search_path.split(os.pathsep)
216 current_dir = '' # make pylint happy :)
218 # pylint: disable-msg=W0612
219 for current_dir, directories, files in os.walk(path):
220 if os.path.exists(os.path.join(current_dir, filename)):
224 return os.path.abspath(os.path.join(current_dir, filename))
229 def check_uid_root():
230 """Check for root permissions"""
231 if not os.geteuid()==0:
232 sys.exit("Error: please run this script with uid 0 (root).")
235 def mkfs_fat16(device):
236 """Format specified device with VFAT/FAT16 filesystem.
238 @device: partition that should be formated"""
241 logging.info("Would execute mkfs.vfat -F 16 %s now.", device)
244 logging.info("Formating partition with fat16 filesystem")
245 logging.debug("mkfs.vfat -F 16 %s", device)
246 proc = subprocess.Popen(["mkfs.vfat", "-F", "16", device])
248 if proc.returncode != 0:
249 raise CriticalException("error executing mkfs.vfat")
252 def generate_main_grub2_config(grml_flavour, bootoptions):
253 """Generate grub2 configuration for use via grub.cfg
255 @grml_flavour: name of grml flavour the configuration should be generated for
256 @bootoptions: additional bootoptions that should be used by default"""
258 local_datestamp = DATESTAMP
261 ## main grub2 configuration - generated by grml2usb [main config generated at: %(local_datestamp)s]
267 if loadfont /boot/grub/ascii.pf2 ; then
272 if terminal_output.gfxterm ; then true ; else
273 # For backward compatibility with versions of terminal.mod that don't
274 # understand terminal_output
279 if background_image /boot/grub/grml.png ; then
280 set color_normal=black/black
281 set color_highlight=red/black
283 set menu_color_normal=white/black
284 set menu_color_highlight=black/yellow
287 menuentry "%(grml_flavour)s (default)" {
288 set gfxpayload=1024x768x16,1024x768
289 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off quiet boot=live nomce live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
290 initrd /boot/release/%(grml_flavour)s/initrd.gz
293 menuentry "Memory test (memtest86+)" {
294 linux16 /boot/addons/memtest
297 menuentry "Boot Grub (all in one image)" {
298 linux /boot/addons/memdisk
299 initrd /boot/addons/allinone.img
302 menuentry "Boot FreeDOS" {
303 linux /boot/addons/memdisk
304 initrd /boot/addons/balder10.imz
307 menuentry "Boot MirOS bsd4grml" {
308 multiboot /boot/addons/bsd4grml/ldbsd.com
309 module /boot/addons/bsd4grml/bsd.rd
310 module /boot/addons/bsd4grml/boot.1
311 module /boot/addons/bsd4grml/boot.2
312 module /boot/addons/bsd4grml/boot.3
313 module /boot/addons/bsd4grml/boot.4
314 module /boot/addons/bsd4grml/boot.5
315 module /boot/addons/bsd4grml/boot.6
316 module /boot/addons/bsd4grml/boot.cfg
319 menuentry "Boot OS of first partition on first disk" {
324 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
325 'bootoptions': bootoptions } )
328 def generate_flavour_specific_grub2_config(grml_flavour, bootoptions):
329 """Generate grub2 configuration for use via grub.cfg
331 @grml_flavour: name of grml flavour the configuration should be generated for
332 @bootoptions: additional bootoptions that should be used by default"""
334 local_datestamp = DATESTAMP
337 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
338 menuentry "%(grml_flavour)s - boot in default mode" {
339 set gfxpayload=1024x768x16,1024x768
340 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
341 initrd /boot/release/%(grml_flavour)s/initrd.gz
344 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
345 menuentry "%(grml_flavour)s-persistent - enable persistency feature" {
346 set gfxpayload=1024x768x16,1024x768
347 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet persistent live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
348 initrd /boot/release/%(grml_flavour)s/initrd.gz
351 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
352 menuentry "%(grml_flavour)s2ram - copy compressed grml file to RAM" {
353 set gfxpayload=1024x768x16,1024x768
354 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ toram=%(grml_flavour)s.squashfs %(bootoptions)s
355 initrd /boot/release/%(grml_flavour)s/initrd.gz
358 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
359 menuentry "%(grml_flavour)s-debug - enable debugging options" {
360 set gfxpayload=1024x768x16,1024x768
361 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ debug boot=live initcall_debug%(bootoptions)s
362 initrd /boot/release/%(grml_flavour)s/initrd.gz
365 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
366 menuentry "%(grml_flavour)s-x - start X Window System" {
367 set gfxpayload=1024x768x16,1024x768
368 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ startx=wm-ng %(bootoptions)s
369 initrd /boot/release/%(grml_flavour)s/initrd.gz
372 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
373 menuentry "%(grml_flavour)s-nofb - disable framebuffer" {
374 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=ofonly %(bootoptions)s
375 initrd /boot/release/%(grml_flavour)s/initrd.gz
378 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
379 menuentry "%(grml_flavour)s-failsafe - disable hardware detection" {
380 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal boot=live 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 %(bootoptions)s
381 initrd /boot/release/%(grml_flavour)s/initrd.gz
384 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
385 menuentry "%(grml_flavour)s-forensic - do not touch harddisks during hw recognition" {
386 set gfxpayload=1024x768x16,1024x768
387 linux /boot/release/%(grml_flavour)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 %(bootoptions)s
388 initrd /boot/release/%(grml_flavour)s/initrd.gz
391 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
392 'bootoptions': bootoptions } )
395 def generate_flavour_specific_grub1_config(grml_flavour, install_partition, bootoptions):
396 """Generate grub1 configuration for use via menu.lst
398 @grml_flavour: name of grml flavour the configuration should be generated for
399 @install_partition: partition number for use in (hd0,X)
400 @bootoptions: additional bootoptions that should be used by default"""
402 local_datestamp = DATESTAMP
405 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
406 title %(grml_flavour)s
407 kernel (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
408 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
410 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
411 title %(grml_flavour)s-persistent
412 kernel (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce vga=791 quiet persistent live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
413 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
415 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
416 title %(grml_flavour)s2ram
417 kernel (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ toram=%(grml_flavour)s.squashfs %(bootoptions)s
418 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
420 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
421 title %(grml_flavour)s-debug
422 kernel (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ debug boot=live initcall_debug%(bootoptions)s
423 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
425 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
426 title %(grml_flavour)s-x
427 kernel (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ startx=wm-ng %(bootoptions)s
428 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
430 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
431 title %(grml_flavour)s-nofb
432 kernel (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=ofonly %(bootoptions)s
433 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
435 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
436 title %(grml_flavour)s-failsafe
437 kernel (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal boot=live 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 %(bootoptions)s
438 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
440 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
441 title %(grml_flavour)s-forensic
442 kernel (hd0,%(install_partition)s)/boot/release/%(grml_flavour)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 %(bootoptions)s
443 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
445 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
446 title %(grml_flavour)s-serial
447 kernel (hd0,%(install_partition)s)/boot/release/%(grml_flavour)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 %(bootoptions)s
448 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
450 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
451 'bootoptions': bootoptions, 'install_partition': install_partition } )
454 def generate_main_grub1_config(grml_flavour, install_partition, bootoptions):
455 """Generate grub1 configuration for use via menu.lst
457 @grml_flavour: name of grml flavour the configuration should be generated for"""
459 local_datestamp = DATESTAMP
462 ## main grub1 configuration - generated by grml2usb [main config generated at: %(local_datestamp)s]
465 # color red/blue green/black
466 splashimage=(hd0,%(install_partition)s)/boot/grub/splash.xpm.gz
471 title %(grml_flavour)s - Default boot (using 1024x768 framebuffer)
472 kernel (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/linux26 apm=power-off vga=791 quiet boot=live nomce live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
473 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
475 title Memory test (memtest86+)
476 kernel (hd0,%(install_partition)s)/boot/addons/memtest
478 title Grub - all in one image
479 kernel (hd0,%(install_partition)s)/boot/addons/memdisk
480 initrd (hd0,%(install_partition)s)/boot/addons/allinone.img
483 kernel (hd0,%(install_partition)s)/boot/addons/memdisk
484 initrd (hd0,%(install_partition)s)/boot/addons/balder10.imz
487 kernel (hd0,%(install_partition)s)/boot/addons/bsd4grml/ldbsd.com
489 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
490 'bootoptions': bootoptions, 'install_partition': install_partition } )
493 def generate_isolinux_splash(grml_flavour):
494 """Generate bootsplash for isolinux/syslinux
496 @grml_flavour: name of grml flavour the configuration should be generated for"""
498 # TODO: adjust last bootsplash line (the one following the "Some information and boot ...")
500 grml_name = grml_flavour
503 \ f17
\f\18/boot/syslinux/logo.16
505 Some information and boot options available via keys F2 - F10. http://grml.org/
507 """ % {'grml_name': grml_name} )
510 def generate_main_syslinux_config(*args):
511 """Generate main configuration for use in syslinux.cfg
513 @*args: just for backward compatibility"""
515 local_datestamp = DATESTAMP
519 menu label Default boot modes:
528 menu label Additional boot entries for:
530 include additional.cfg
537 def generate_flavour_specific_syslinux_config(grml_flavour):
538 """Generate flavour specific configuration for use in syslinux.cfg
540 @grml_flavour: name of grml flavour the configuration should be generated for"""
544 menu begin grml %(grml_flavour)s
545 menu title %(grml_flavour)s
547 menu label ^Back to main menu...
550 # include config for boot parameters from disk
551 include %(grml_flavour)s-grml.cfg
554 """ % {'grml_flavour': grml_flavour } )
557 def install_grub(device):
558 """Install grub on specified device.
560 @mntpoint: mountpoint of device where grub should install its files to
561 @device: partition where grub should be installed to"""
564 logging.info("Would execute grub-install [--root-directory=mount_point] %s now.", device)
566 device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
567 register_tmpfile(device_mountpoint)
570 mount(device, device_mountpoint, "")
572 # If using --grub-mbr then make sure we install grub in MBR instead of PBR
573 # Thanks to grub2. NOT.
575 logging.debug("Using option --grub-mbr ...")
576 if device[-1:].isdigit():
577 grub_device = re.match(r'(.*?)\d*$', device).group(1)
583 logging.debug("grub-install --recheck --no-floppy --root-directory=%s %s",
584 device_mountpoint, grub_device)
585 proc = subprocess.Popen(["grub-install", "--recheck", "--no-floppy",
586 "--root-directory=%s" % device_mountpoint, grub_device], stdout=file(os.devnull, "r+"))
588 if proc.returncode != 0:
589 # raise Exception("error executing grub-install")
590 logging.critical("Fatal: error executing grub-install (please check the grml2usb FAQ or drop the --grub option)")
591 logging.critical("Note: if using grub2 consider using the --grub-mbr option because grub2's PBR feature is broken.")
594 except CriticalException, error:
595 logging.critical("Fatal: %s", error)
600 unmount(device_mountpoint, "")
601 os.rmdir(device_mountpoint)
602 unregister_tmpfile(device_mountpoint)
605 def install_syslinux(device):
606 """Install syslinux on specified device.
608 @device: partition where syslinux should be installed to"""
611 logging.info("Would install syslinux as bootloader on %s", device)
614 # syslinux -d boot/isolinux /dev/sdb1
615 logging.info("Installing syslinux as bootloader")
616 logging.debug("syslinux -d boot/syslinux %s", device)
617 proc = subprocess.Popen(["syslinux", "-d", "boot/syslinux", device])
619 if proc.returncode != 0:
620 raise CriticalException("Error executing syslinux (either try --fat16 or use grub?)")
623 def install_bootloader(device):
624 """Install bootloader on specified device.
626 @device: partition where bootloader should be installed to"""
628 # by default we use grub, so install syslinux only on request
630 logging.info("Note: the --syslinux option is deprecated as syslinux is grml2usb's default. Continuing anyway.")
633 if not which("grub-install"):
634 logging.critical("Fatal: grub-install not available (please install the grub package or use the --syslinux option)")
640 except CriticalException, error:
641 logging.critical("Fatal: %s", error)
646 install_syslinux(device)
647 except CriticalException, error:
648 logging.critical("Fatal: %s", error)
653 def execute_lilo(lilo, device):
654 """execute lilo for activating the partitions in the MBR
656 @lilo: path of lilo executable
657 @device: device where lilo should be executed on"""
659 # to support -A for extended partitions:
660 logging.info("Activating partitions in MBR via lilo")
661 logging.debug("%s -S /dev/null -M %s ext", lilo, device)
662 proc = subprocess.Popen([lilo, "-S", "/dev/null", "-M", device, "ext"])
664 if proc.returncode != 0:
665 raise Exception("error executing lilo")
667 # activate partition:
668 logging.debug("%s -S /dev/null -A %s 1", lilo, device)
669 proc = subprocess.Popen([lilo, "-S", "/dev/null", "-A", device, "1"])
671 if proc.returncode != 0:
672 raise Exception("error executing lilo")
675 def install_syslinux_mbr(device):
676 """install syslinux's master boot record (MBR) on the specified device
678 @device: device where MBR of syslinux should be installed to"""
680 # make sure we have syslinux available
681 if not which("syslinux") and not options.copyonly:
682 raise Exception("syslinux not available (either install it or consider using the --grub option)")
684 # lilo's mbr is broken, use the one from syslinux instead:
685 if not os.path.isfile("/usr/lib/syslinux/mbr.bin"):
686 raise Exception("/usr/lib/syslinux/mbr.bin can not be read")
688 logging.info("Installing syslinux MBR")
689 logging.debug("cat /usr/lib/syslinux/mbr.bin > %s", device)
691 # TODO -> use Popen instead?
692 retcode = subprocess.call("cat /usr/lib/syslinux/mbr.bin > "+ device, shell=True)
694 logging.critical("Error copying MBR to device (%s)", retcode)
695 except OSError, error:
696 logging.critical("Execution failed: %s", error)
699 def install_mir_mbr(mbrtemplate, device, partition, ismirbsdmbr=True):
700 """install 'mbr' master boot record (MBR) on a device
702 Retrieve the partition table from "device", install an MBR from the
703 "mbrtemplate" file, set the "partition" (0..3) active, and install the
704 result back to "device".
706 @mbrtemplate: default MBR file
708 @device: name of a file assumed to be a hard disc (or USB stick) image, or
709 something like "/dev/sdb"
711 @partition: must be a number between 0 and 3, inclusive
713 @mbrtemplate: must be a valid MBR file of at least 440 (or 439 if
716 @ismirbsdmbr: if true then ignore the active flag, set the mirbsdmbr
717 specific flag to 0/1/2/3 and set the MBR's default value accordingly. If
718 false then leave the mirbsdmbr specific flag set to FFh, set all
719 active flags to 0 and set the active flag of the partition to 80h. Note:
720 behaviour of mirbsdmbr: if flag = 0/1/2/3 then use it, otherwise search for
723 logging.info("Installing default MBR")
725 if not os.path.isfile(mbrtemplate):
726 logging.critical("Error: %s can not be read.", mbrtemplate)
727 raise CriticalException("Error installing MBR (either try --syslinux-mbr or install missing file?)")
729 if (partition < 0) or (partition > 3):
730 raise ValueError("partition must be between 0 and 3")
737 tmpf = tempfile.NamedTemporaryFile()
739 logging.debug("executing: dd if='%s' of='%s' bs=512 count=1", device, tmpf.name)
740 proc = subprocess.Popen(["dd", "if=%s" % device, "of=%s" % tmpf.name, "bs=512", "count=1"], stderr=file(os.devnull, "r+"))
742 if proc.returncode != 0:
743 raise Exception("error executing dd (first run)")
745 logging.debug("executing: dd if=%s of=%s bs=%s count=1 conv=notrunc", mbrtemplate,
746 tmpf.name, nmbrbytes)
747 proc = subprocess.Popen(["dd", "if=%s" % mbrtemplate, "of=%s" % tmpf.name, "bs=%s" % nmbrbytes,
748 "count=1", "conv=notrunc"], stderr=file(os.devnull, "r+"))
750 if proc.returncode != 0:
751 raise Exception("error executing dd (second run)")
753 mbrcode = tmpf.file.read(512)
754 if len(mbrcode) < 512:
755 raise EOFError("MBR size (%d) < 512" % len(mbrcode))
758 mbrcode = mbrcode[0:439] + chr(partition) + \
759 mbrcode[440:510] + "\x55\xAA"
761 actives = ["\x00", "\x00", "\x00", "\x00"]
762 actives[partition] = "\x80"
763 mbrcode = mbrcode[0:446] + actives[0] + \
764 mbrcode[447:462] + actives[1] + \
765 mbrcode[463:478] + actives[2] + \
766 mbrcode[479:494] + actives[3] + \
767 mbrcode[495:510] + "\x55\xAA"
771 tmpf.file.write(mbrcode)
774 logging.debug("executing: dd if='%s' of='%s' bs=512 count=1 conv=notrunc", tmpf.name, device)
775 proc = subprocess.Popen(["dd", "if=%s" % tmpf.name, "of=%s" % device, "bs=512", "count=1",
776 "conv=notrunc"], stderr=file(os.devnull, "r+"))
778 if proc.returncode != 0:
779 raise Exception("error executing dd (third run)")
783 def handle_syslinux_mbr(device):
784 """Install syslinux master boot record on given device
786 @device: device where MBR should be installed to"""
788 if not is_writeable(device):
789 raise IOError("device not writeable for user")
791 # try to use system's lilo
795 # otherwise fall back to our static version
796 from platform import architecture
797 if architecture()[0] == '64bit':
798 lilo = GRML2USB_BASE + '/lilo/lilo.static.amd64'
800 lilo = GRML2USB_BASE + '/lilo/lilo.static.i386'
801 # finally prefer a specified lilo executable
803 lilo = options.lilobin
806 raise Exception("lilo executable can not be execute")
809 logging.info("Would install MBR running lilo and using syslinux.")
812 execute_lilo(lilo, device)
813 install_syslinux_mbr(device)
816 def is_writeable(device):
817 """Check if the device is writeable for the current user
819 @device: partition where bootloader should be installed to"""
823 #raise Exception("no device for checking write permissions")
825 if not os.path.exists(device):
828 return os.access(device, os.W_OK) and os.access(device, os.R_OK)
831 def mount(source, target, mount_options):
832 """Mount specified source on given target
834 @source: name of device/ISO that should be mounted
835 @target: directory where the ISO should be mounted to
836 @options: mount specific options"""
838 # note: options.dryrun does not work here, as we have to
839 # locate files and identify the grml flavour
841 for x in file('/proc/mounts').readlines():
842 if x.startswith(source):
843 raise CriticalException("Error executing mount: %s already mounted - please unmount before invoking grml2usb" % source)
845 if os.path.isdir(source):
846 logging.debug("Source %s is not a device, therefore not mounting.", source)
849 logging.debug("mount %s %s %s", mount_options, source, target)
850 proc = subprocess.Popen(["mount"] + list(mount_options) + [source, target])
852 if proc.returncode != 0:
853 raise CriticalException("Error executing mount (no filesystem on the partition?)")
855 logging.debug("register_mountpoint(%s)", target)
856 register_mountpoint(target)
859 def unmount(target, unmount_options):
860 """Unmount specified target
862 @target: target where something is mounted on and which should be unmounted
863 @options: options for umount command"""
865 # make sure we unmount only already mounted targets
866 target_unmount = False
867 mounts = open('/proc/mounts').readlines()
868 mountstring = re.compile(".*%s.*" % re.escape(os.path.realpath(target)))
870 if re.match(mountstring, line):
871 target_unmount = True
873 if not target_unmount:
874 logging.debug("%s not mounted anymore", target)
876 logging.debug("umount %s %s", list(unmount_options), target)
877 proc = subprocess.Popen(["umount"] + list(unmount_options) + [target])
879 if proc.returncode != 0:
880 raise Exception("Error executing umount")
882 logging.debug("unregister_mountpoint(%s)", target)
883 unregister_mountpoint(target)
886 def check_for_usbdevice(device):
887 """Check whether the specified device is a removable USB device
889 @device: device name, like /dev/sda1 or /dev/sda
892 usbdevice = re.match(r'/dev/(.*?)\d*$', device).group(1)
894 usbdev = os.path.realpath('/sys/class/block/' + usbdevice + '/removable')
895 if not os.path.isfile(usbdev):
896 # Ubuntu with kernel 2.6.24 for example:
897 usbdev = os.path.realpath('/sys/block/' + usbdevice + '/removable')
899 if os.path.isfile(usbdev):
900 is_usb = open(usbdev).readline()
907 def check_for_fat(partition):
908 """Check whether specified partition is a valid VFAT/FAT16 filesystem
910 @partition: device name of partition"""
913 udev_info = subprocess.Popen(["/sbin/blkid", "-s", "TYPE", "-o", "value", partition],
914 stdout=subprocess.PIPE, stderr=subprocess.PIPE)
915 filesystem = udev_info.communicate()[0].rstrip()
917 if udev_info.returncode == 2:
918 raise CriticalException("Failed to read device %s"
919 " (wrong UID/permissions or device/directory not present?)" % partition)
921 if options.syslinux and filesystem != "vfat":
922 raise CriticalException("Partition %s does not contain a FAT16 filesystem. (Use --fat16 or run mkfs.vfat %s)" % (partition, partition))
925 raise CriticalException("Sorry, /sbin/blkid not available (install e2fsprogs?)")
928 def mkdir(directory):
929 """Simple wrapper around os.makedirs to get shell mkdir -p behaviour"""
931 # just silently pass as it's just fine it the directory exists
932 if not os.path.isdir(directory):
934 os.makedirs(directory)
935 # pylint: disable-msg=W0704
940 def exec_rsync(source, target):
941 """Simple wrapper around rsync to install files
943 @source: source file/directory
944 @target: target file/directory"""
945 logging.debug("Source: %s / Target: %s", source, target)
946 proc = subprocess.Popen(["rsync", "-rlptDH", "--inplace", source, target])
948 if proc.returncode == 12:
949 logging.critical("Fatal: No space left on device")
953 if proc.returncode != 0:
954 logging.critical("Fatal: could not install %s", source)
959 def copy_system_files(grml_flavour, iso_mount, target):
960 """copy grml's main files (like squashfs, kernel and initrd) to a given target
962 @grml_flavour: name of grml flavour the configuration should be generated for
963 @iso_mount: path where a grml ISO is mounted on
964 @target: path where grml's main files should be copied to"""
966 squashfs = search_file(grml_flavour + '.squashfs', iso_mount)
968 logging.critical("Fatal: squashfs file not found")
969 raise CriticalException("error locating squashfs file")
971 squashfs_target = target + '/live/' + grml_flavour + '/'
972 execute(mkdir, squashfs_target)
973 exec_rsync(squashfs, squashfs_target + grml_flavour + '.squashfs')
975 filesystem_module = search_file('filesystem.module', iso_mount)
976 if filesystem_module is None:
977 logging.critical("Fatal: filesystem.module not found")
978 raise CriticalException("error locating filesystem.module file")
980 exec_rsync(filesystem_module, squashfs_target + 'filesystem.module')
982 release_target = target + '/boot/release/' + grml_flavour
983 execute(mkdir, release_target)
985 kernel = search_file('linux26', iso_mount)
987 logging.critical("Fatal kernel not found")
988 raise CriticalException("error locating kernel file")
990 exec_rsync(kernel, release_target + '/linux26')
992 initrd = search_file('initrd.gz', iso_mount)
994 logging.critical("Fatal: initrd not found")
995 raise CriticalException("error locating initrd file")
997 exec_rsync(initrd, release_target + '/initrd.gz')
1000 def copy_grml_files(iso_mount, target):
1001 """copy some minor grml files to a given target
1003 @iso_mount: path where a grml ISO is mounted on
1004 @target: path where grml's main files should be copied to"""
1006 grml_target = target + '/grml/'
1007 execute(mkdir, grml_target)
1009 for myfile in 'grml-cheatcodes.txt', 'grml-version', 'LICENSE.txt', 'md5sums', 'README.txt':
1010 grml_file = search_file(myfile, iso_mount)
1011 if grml_file is None:
1012 logging.warn("Warning: myfile %s could not be found - can not install it", myfile)
1014 exec_rsync(grml_file, grml_target + myfile)
1016 grml_web_target = grml_target + '/web/'
1017 execute(mkdir, grml_web_target)
1019 for myfile in 'index.html', 'style.css':
1020 grml_file = search_file(myfile, iso_mount)
1021 if grml_file is None:
1022 logging.warn("Warning: myfile %s could not be found - can not install it")
1024 exec_rsync(grml_file, grml_web_target + myfile)
1026 grml_webimg_target = grml_web_target + '/images/'
1027 execute(mkdir, grml_webimg_target)
1029 for myfile in 'button.png', 'favicon.png', 'linux.jpg', 'logo.png':
1030 grml_file = search_file(myfile, iso_mount)
1031 if grml_file is None:
1032 logging.warn("Warning: myfile %s could not be found - can not install it")
1034 exec_rsync(grml_file, grml_webimg_target + myfile)
1037 def copy_addons(iso_mount, target):
1038 """copy grml's addons files (like allinoneimg, bsd4grml,..) to a given target
1040 @iso_mount: path where a grml ISO is mounted on
1041 @target: path where grml's main files should be copied to"""
1043 addons = target + '/boot/addons/'
1044 execute(mkdir, addons)
1046 # grub all-in-one image
1047 allinoneimg = search_file('allinone.img', iso_mount)
1048 if allinoneimg is None:
1049 logging.warn("Warning: allinone.img not found (that's fine if you don't need it)")
1051 exec_rsync(allinoneimg, addons + 'allinone.img')
1054 bsdimg = search_file('bsd4grml', iso_mount)
1056 logging.warn("Warning: bsd4grml not found (that's fine if you don't need it)")
1058 exec_rsync(bsdimg, addons + '/')
1061 balderimg = search_file('balder10.imz', iso_mount)
1062 if balderimg is None:
1063 logging.warn("Warning: balder10.imz not found (that's fine if you don't need it)")
1065 exec_rsync(balderimg, addons + 'balder10.imz')
1067 # install hdt and pci.ids only when using syslinux (grub doesn't support it)
1068 if options.syslinux:
1069 # hdt (hardware detection tool) image
1070 hdtimg = search_file('hdt.c32', iso_mount)
1072 exec_rsync(hdtimg, addons + '/hdt.c32')
1075 picids = search_file('pci.ids', iso_mount)
1077 exec_rsync(picids, addons + '/pci.ids')
1080 memdiskimg = search_file('memdisk', iso_mount)
1081 if memdiskimg is None:
1082 logging.warn("Warning: memdisk not found (that's fine if you don't need it)")
1084 exec_rsync(memdiskimg, addons + 'memdisk')
1087 memtestimg = search_file('memtest', iso_mount)
1088 if memtestimg is None:
1089 logging.warn("Warning: memtest not found (that's fine if you don't need it)")
1091 exec_rsync(memtestimg, addons + 'memtest')
1094 def copy_bootloader_files(iso_mount, target):
1095 """copy grml's bootloader files to a given target
1097 @iso_mount: path where a grml ISO is mounted on
1098 @target: path where grml's main files should be copied to"""
1100 syslinux_target = target + '/boot/syslinux/'
1101 execute(mkdir, syslinux_target)
1103 logo = search_file('logo.16', iso_mount)
1104 exec_rsync(logo, syslinux_target + 'logo.16')
1106 for ffile in 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'f10':
1107 bootsplash = search_file(ffile, iso_mount)
1108 exec_rsync(bootsplash, syslinux_target + ffile)
1110 if not search_file('default.cfg', iso_mount + '/boot/isolinux/'):
1111 logging.critical("Fatal: file default.cfg could not be found.")
1112 logging.critical("Note: this grml2usb version requires an ISO generated by grml-live >=0.9.24 ...")
1113 logging.critical(" ... either use grml releases >=2009.10 or switch to an older grml2usb version.")
1116 for filename in 'addons.cfg', 'default.cfg', 'distri.cfg', 'hidden.cfg', \
1117 'grml.cfg', 'grml.png', 'hd.cfg', 'isoprompt.cfg', 'options.cfg', \
1118 'vesamenu.c32', 'vesamenu.cfg', 'grml.png':
1119 path = search_file(filename, iso_mount + '/boot/isolinux/')
1120 exec_rsync(path, syslinux_target + filename)
1122 grub_target = target + '/boot/grub/'
1123 execute(mkdir, grub_target)
1125 if not os.path.isfile(GRML2USB_BASE + "/grub/splash.xpm.gz"):
1126 logging.critical("Error: %s/grub/splash.xpm.gz can not be read.", GRML2USB_BASE)
1127 logging.critical("Please make sure you've installed the grml2usb (Debian) package!")
1130 exec_rsync(GRML2USB_BASE + '/grub/splash.xpm.gz', grub_target + 'splash.xpm.gz')
1132 # grml splash in grub
1133 if os.path.isfile(GRML2USB_BASE + "/grub/grml.png"):
1134 exec_rsync(GRML2USB_BASE + '/grub/grml.png', grub_target + 'grml.png')
1136 # font file for graphical bootsplash in grub
1137 if os.path.isfile("/usr/share/grub/ascii.pf2"):
1138 exec_rsync('/usr/share/grub/ascii.pf2', grub_target + 'ascii.pf2')
1140 def install_iso_files(grml_flavour, iso_mount, device, target):
1141 """Copy files from ISO to given target
1143 @grml_flavour: name of grml flavour the configuration should be generated for
1144 @iso_mount: path where a grml ISO is mounted on
1145 @device: device/partition where bootloader should be installed to
1146 @target: path where grml's main files should be copied to"""
1148 # TODO => several improvements:
1149 # * make sure grml_flavour, iso_mount, target are set when the function is called, otherwise raise exception
1150 # * provide alternative search_file() if file information is stored in a config.ini file?
1151 # * catch "install: .. No space left on device" & CO
1155 elif not options.bootloaderonly:
1156 logging.info("Copying files. This might take a while....")
1158 copy_system_files(grml_flavour, iso_mount, target)
1159 copy_grml_files(iso_mount, target)
1160 except CriticalException, error:
1161 logging.critical("Execution failed: %s", error)
1164 if not options.skipaddons:
1165 if grml_flavour.endswith('-small'):
1166 logging.info("Note: grml-small doesn't provide any addons, not installing them therefore.")
1168 copy_addons(iso_mount, target)
1170 if not options.copyonly:
1171 copy_bootloader_files(iso_mount, target)
1173 if not options.dryrun:
1174 handle_bootloader_config(grml_flavour, device, target)
1176 # make sure we sync filesystems before returning
1177 proc = subprocess.Popen(["sync"])
1181 def uninstall_files(device):
1182 """Get rid of all grml files on specified device
1184 @device: partition where grml2usb files should be removed from"""
1186 # TODO - not implemented yet
1187 logging.critical("TODO: uninstalling files from %s not yet implement, sorry.", device)
1190 def identify_grml_flavour(mountpath):
1191 """Get name of grml flavour
1193 @mountpath: path where the grml ISO is mounted to
1194 @return: name of grml-flavour"""
1196 version_file = search_file('grml-version', mountpath)
1198 if version_file == "":
1199 logging.critical("Error: could not find grml-version file.")
1203 tmpfile = open(version_file, 'r')
1204 grml_info = tmpfile.readline()
1205 grml_flavour = re.match(r'[\w-]*', grml_info).group()
1208 except Exception, e:
1209 logging.critical("Unexpected error: %s", e)
1215 def handle_grub1_config(grml_flavour, install_partition, grub_target, bootopt):
1216 """Main handler for generating grub1 configuration
1218 @grml_flavour: name of grml flavour the configuration should be generated for
1219 @install_partition: partition number for use in (hd0,X)
1220 @grub_target: path of grub's configuration files
1221 @bootoptions: additional bootoptions that should be used by default"""
1224 grub1_cfg = grub_target + 'menu.lst'
1225 logging.debug("Creating grub1 configuration file (menu.lst)")
1227 # install main configuration only *once*, no matter how many ISOs we have:
1228 if os.path.isfile(grub1_cfg):
1229 string = open(grub1_cfg).readline()
1230 main_identifier = re.compile(".*main config generated at: %s.*" % re.escape(str(DATESTAMP)))
1231 if not re.match(main_identifier, string):
1232 grub1_config_file = open(grub1_cfg, 'w')
1233 grub1_config_file.write(generate_main_grub1_config(grml_flavour, install_partition, bootopt))
1234 grub1_config_file.close()
1236 grub1_config_file = open(grub1_cfg, 'w')
1237 grub1_config_file.write(generate_main_grub1_config(grml_flavour, install_partition, bootopt))
1238 grub1_config_file.close()
1240 grub_flavour_config = True
1241 if os.path.isfile(grub1_cfg):
1242 string = open(grub1_cfg).readlines()
1243 flavour = re.compile("grml2usb for %s: %s" % (re.escape(grml_flavour), re.escape(str(DATESTAMP))))
1245 if flavour.match(line):
1246 grub_flavour_config = False
1248 if grub_flavour_config:
1249 grub1_config_file = open(grub1_cfg, 'a')
1250 grub1_config_file.write(generate_flavour_specific_grub1_config(grml_flavour, install_partition, bootopt))
1251 grub1_config_file.close()
1253 # make sure grub.conf isn't a symlink but a plain file instead,
1254 # otherwise it will break on FAT16 filesystems
1255 # this works around grub-install of (at least) Fedora 10
1256 if os.path.isfile(grub1_cfg):
1257 grubconf = grub_target + 'grub.conf'
1258 if not os.path.islink(grubconf):
1260 shutil.copyfile(grub1_cfg, grub_target + 'grub.conf')
1262 def handle_grub2_config(grml_flavour, grub_target, bootopt):
1263 """Main handler for generating grub2 configuration
1265 @grml_flavour: name of grml flavour the configuration should be generated for
1266 @grub_target: path of grub's configuration files
1267 @bootoptions: additional bootoptions that should be used by default"""
1270 grub2_cfg = grub_target + 'grub.cfg'
1271 logging.debug("Creating grub2 configuration file (grub.lst)")
1275 # install main configuration only *once*, no matter how many ISOs we have:
1276 grub_flavour_is_default = False
1277 if os.path.isfile(grub2_cfg):
1278 string = open(grub2_cfg).readline()
1279 main_identifier = re.compile(".*main config generated at: %s.*" % re.escape(str(DATESTAMP)))
1280 if not re.match(main_identifier, string):
1281 grub2_config_file = open(grub2_cfg, 'w')
1282 GRML_DEFAULT = grml_flavour
1283 grub_flavour_is_default = True
1284 grub2_config_file.write(generate_main_grub2_config(grml_flavour, bootopt))
1285 grub2_config_file.close()
1287 grub2_config_file = open(grub2_cfg, 'w')
1288 GRML_DEFAULT = grml_flavour
1289 grub_flavour_is_default = True
1290 grub2_config_file.write(generate_main_grub2_config(grml_flavour, bootopt))
1291 grub2_config_file.close()
1293 # install flavour specific configuration only *once* as well
1294 grub_flavour_config = True
1295 if os.path.isfile(grub2_cfg):
1296 string = open(grub2_cfg).readlines()
1297 flavour = re.compile("grml2usb for %s: %s" % (re.escape(grml_flavour), re.escape(str(DATESTAMP))))
1299 if flavour.match(line):
1300 grub_flavour_config = False
1302 if grub_flavour_config:
1303 grub2_config_file = open(grub2_cfg, 'a')
1304 # display only if the grml flavour isn't the default
1305 if not grub_flavour_is_default:
1306 GRML_FLAVOURS.add(grml_flavour)
1307 grub2_config_file.write(generate_flavour_specific_grub2_config(grml_flavour, bootopt))
1308 grub2_config_file.close()
1311 def handle_grub_config(grml_flavour, device, target):
1312 """Main handler for generating grub (v1 and v2) configuration
1314 @grml_flavour: name of grml flavour the configuration should be generated for
1315 @device: device/partition where grub should be installed to
1316 @target: path of grub's configuration files"""
1318 logging.debug("Generating grub configuration")
1320 grub_target = target + '/boot/grub/'
1321 execute(mkdir, grub_target)
1323 if os.path.isdir(device):
1324 install_grub1_partition = None
1326 if device[-1:].isdigit():
1327 install_grub1_partition = int(device[-1:]) - 1
1329 raise CriticalException("error validating partition schema (raw device?)")
1331 # do NOT write "None" in kernel cmdline
1332 if options.bootoptions is None:
1335 bootopt = options.bootoptions
1338 handle_grub1_config(grml_flavour, install_grub1_partition, grub_target, bootopt)
1340 handle_grub2_config(grml_flavour, grub_target, bootopt)
1343 def initial_syslinux_config(target):
1344 """Generates intial syslinux configuration
1346 @target path of syslinux's configuration files"""
1348 target = target + "/"
1349 filename = target + "grmlmain.cfg"
1350 if os.path.isfile(target + "grmlmain.cfg"):
1352 data = open(filename, "w")
1353 data.write(generate_main_syslinux_config())
1356 def adjust_syslinux_bootoptions(src_name, dst_name, flavour):
1357 append_re = re.compile("^(\s*append.*)$", re.I)
1358 boot_re = re.compile("/boot/([a-zA-Z0-9_]+/)+([a-zA-Z0-9._]+)")
1359 flavour_re = re.compile("(label.*)(grml\w+)")
1360 default_re = re.compile("(default.cfg)")
1361 src = open(src_name, "r")
1362 dst = open(dst_name, "w")
1365 line = boot_re.sub(r'/boot/release/%s/\2 ' % flavour, line)
1366 line = flavour_re.sub(r'\1 %s-\2' % flavour, line)
1367 line = default_re.sub(r'%s-\1' % flavour, line)
1368 line = append_re.sub(r'\1 live-media-path=/live/%s/ ' % flavour, line)
1374 def add_syslinux_entry(filename, grml_flavour):
1375 data = open(filename, "a+")
1376 entry_filename = "option-%s.cfg" % grml_flavour
1377 entry = "include %s\n" % entry_filename
1378 path = os.path.dirname(filename)
1386 data = open(path + "/" + entry_filename, "w")
1387 data.write(generate_flavour_specific_syslinux_config(grml_flavour))
1393 def handle_syslinux_config(grml_flavour, target):
1394 """Main handler for generating syslinux configuration
1396 @grml_flavour: name of grml flavour the configuration should be generated for
1397 @target: path of syslinux's configuration files"""
1399 # do NOT write "None" in kernel cmdline
1400 if options.bootoptions is None:
1403 bootopt = options.bootoptions
1405 logging.debug("Generating syslinux configuration")
1406 syslinux_target = target + '/boot/syslinux/'
1407 # should be present via copy_bootloader_files(), but make sure it exits:
1408 execute(mkdir, syslinux_target)
1409 syslinux_cfg = syslinux_target + 'syslinux.cfg'
1413 # install main configuration only *once*, no matter how many ISOs we have:
1414 syslinux_flavour_is_default = False
1415 syslinux_config_file = open(syslinux_cfg, 'w')
1416 syslinux_config_file.write("include vesamenu.cfg")
1417 syslinux_config_file.close()
1419 initial_syslinux_config(syslinux_target)
1420 for filename in 'grml.cfg', 'default.cfg', 'hidden.cfg':
1421 old_filename = "%s/%s" % (syslinux_target, filename)
1422 new_filename = "%s/%s-%s" % (syslinux_target, grml_flavour, filename)
1423 adjust_syslinux_bootoptions(old_filename, new_filename, grml_flavour)
1424 os.unlink(old_filename)
1426 new_hidden = "%s-hidden.cfg" % (grml_flavour)
1427 new_default = "%s-default.cfg" % (grml_flavour)
1428 default_file = open("%s/defaults.cfg" % syslinux_target, "a+")
1429 entry = "include %s\n" % new_default
1430 for line in default_file:
1434 default_file.write("include %s\n" % new_default)
1436 default_file.close()
1437 add_syslinux_entry("%s/additional.cfg" % syslinux_target, grml_flavour)
1443 def handle_bootloader_config(grml_flavour, device, target):
1444 """Main handler for generating bootloader's configuration
1446 @grml_flavour: name of grml flavour the configuration should be generated for
1447 @device: device/partition where bootloader should be installed to
1448 @target: path of bootloader's configuration files"""
1450 if options.skipsyslinuxconfig:
1451 logging.info("Skipping generation of syslinux configuration as requested.")
1454 handle_syslinux_config(grml_flavour, target)
1455 except CriticalException, error:
1456 logging.critical("Fatal: %s", error)
1459 if options.skipgrubconfig:
1460 logging.info("Skipping generation of grub configuration as requested.")
1463 handle_grub_config(grml_flavour, device, target)
1464 except CriticalException, error:
1465 logging.critical("Fatal: %s", error)
1468 def handle_dir(live_image, device):
1469 """Main logic for copying files of the currently running grml system.
1471 @live_image: directory where currently running live system resides (usually /live/image)
1472 @device: partition where the specified ISO should be installed to"""
1474 logging.info("Using %s as install base", live_image)
1476 if os.path.isdir(device):
1477 logging.info("Specified target is a directory, therefore not mounting.")
1478 device_mountpoint = device
1479 remove_device_mountpoint = False
1481 device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
1482 register_tmpfile(device_mountpoint)
1483 remove_device_mountpoint = True
1485 mount(device, device_mountpoint, "")
1486 except CriticalException, error:
1487 logging.critical("Fatal: %s", error)
1493 grml_flavour = identify_grml_flavour(live_image)
1494 logging.info("Identified grml flavour \"%s\".", grml_flavour)
1495 install_iso_files(grml_flavour, live_image, device, device_mountpoint)
1497 logging.critical("Fatal: a critical error happend during execution (not a grml ISO?), giving up")
1500 if remove_device_mountpoint:
1502 unmount(device_mountpoint, "")
1503 if os.path.isdir(device_mountpoint):
1504 os.rmdir(device_mountpoint)
1505 unregister_tmpfile(device_mountpoint)
1506 except CriticalException, error:
1507 logging.critical("Fatal: %s", error)
1511 def handle_iso(iso, device):
1512 """Main logic for mounting ISOs and copying files.
1514 @iso: full path to the ISO that should be installed to the specified device
1515 @device: partition where the specified ISO should be installed to"""
1517 logging.info("Using ISO %s", iso)
1519 iso_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
1520 register_tmpfile(iso_mountpoint)
1521 remove_iso_mountpoint = True
1523 if not os.path.isfile(iso):
1524 logging.critical("Fatal: specified ISO %s could not be read", iso)
1529 mount(iso, iso_mountpoint, ["-o", "loop", "-t", "iso9660"])
1530 except CriticalException, error:
1531 logging.critical("Fatal: %s", error)
1534 if os.path.isdir(device):
1535 logging.info("Specified target is a directory, therefore not mounting.")
1536 device_mountpoint = device
1537 remove_device_mountpoint = False
1540 device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
1541 register_tmpfile(device_mountpoint)
1542 remove_device_mountpoint = True
1544 mount(device, device_mountpoint, "")
1545 except CriticalException, error:
1546 logging.critical("Fatal: %s", error)
1552 grml_flavour = identify_grml_flavour(iso_mountpoint)
1553 logging.info("Identified grml flavour \"%s\".", grml_flavour)
1554 install_iso_files(grml_flavour, iso_mountpoint, device, device_mountpoint)
1556 logging.critical("Fatal: a critical error happend during execution (not a grml ISO?), giving up")
1559 if os.path.isdir(iso_mountpoint) and remove_iso_mountpoint:
1560 unmount(iso_mountpoint, "")
1561 os.rmdir(iso_mountpoint)
1562 unregister_tmpfile(iso_mountpoint)
1563 if remove_device_mountpoint:
1565 unmount(device_mountpoint, "")
1566 if os.path.isdir(device_mountpoint):
1567 os.rmdir(device_mountpoint)
1568 unregister_tmpfile(device_mountpoint)
1569 except CriticalException, error:
1570 logging.critical("Fatal: %s", error)
1574 def handle_mbr(device):
1575 """Main handler for installing master boot record (MBR)
1577 @device: device where the MBR should be installed to"""
1580 logging.info("Would install MBR")
1583 if device[-1:].isdigit():
1584 mbr_device = re.match(r'(.*?)\d*$', device).group(1)
1585 partition_number = int(device[-1:]) - 1
1586 skip_install_mir_mbr = False
1588 # if we get e.g. /dev/loop1 as device we don't want to put the MBR
1589 # into /dev/loop of course, therefore use /dev/loop1 as mbr_device
1590 if mbr_device == "/dev/loop":
1592 logging.info("Detected loop device - using %s as MBR device therefore", mbr_device)
1593 skip_install_mir_mbr = True
1596 if options.syslinuxmbr:
1597 handle_syslinux_mbr(mbr_device)
1598 elif not skip_install_mir_mbr:
1600 install_mir_mbr(GRML2USB_BASE + '/mbr/mbrmgr', mbr_device, partition_number, True)
1602 install_mir_mbr(GRML2USB_BASE + '/mbr/mbrldr', mbr_device, partition_number, False)
1603 except IOError, error:
1604 logging.critical("Execution failed: %s", error)
1606 except Exception, error:
1607 logging.critical("Execution failed: %s", error)
1611 def handle_vfat(device):
1612 """Check for FAT specific settings and options
1614 @device: device that should checked / formated"""
1616 # make sure we have mkfs.vfat available
1618 if not which("mkfs.vfat") and not options.copyonly and not options.dryrun:
1619 logging.critical('Sorry, mkfs.vfat not available. Exiting.')
1620 logging.critical('Please make sure to install dosfstools.')
1625 print "Forcing mkfs.fat16 on %s as requested via option --force." % device
1628 # make sure the user is aware of what he is doing
1629 f = raw_input("Are you sure you want to format the specified partition with fat16? y/N ")
1630 if f == "y" or f == "Y":
1631 logging.info("Note: you can skip this question using the option --force")
1637 except CriticalException, error:
1638 logging.critical("Execution failed: %s", error)
1643 # check for vfat filesystem
1644 if device is not None and not os.path.isdir(device):
1646 check_for_fat(device)
1647 except CriticalException, error:
1648 logging.critical("Execution failed: %s", error)
1651 if not os.path.isdir(device) and not check_for_usbdevice(device):
1652 print "Warning: the specified device %s does not look like a removable usb device." % device
1653 f = raw_input("Do you really want to continue? y/N ")
1654 if f == "y" or f == "Y":
1660 def handle_compat_warning(device):
1661 """Backwards compatible checks
1663 @device: device that should be checked"""
1665 # make sure we can replace old grml2usb script and warn user when using old way of life:
1666 if device.startswith("/mnt/external") or device.startswith("/mnt/usb") and not options.force:
1667 print "Warning: the semantics of grml2usb has changed."
1668 print "Instead of using grml2usb /path/to/iso %s you might" % device
1669 print "want to use grml2usb /path/to/iso /dev/... instead."
1670 print "Please check out the grml2usb manpage for details."
1671 f = raw_input("Do you really want to continue? y/N ")
1672 if f == "y" or f == "Y":
1678 def handle_logging():
1679 """Log handling and configuration"""
1681 if options.verbose and options.quiet:
1682 parser.error("please use either verbose (--verbose) or quiet (--quiet) option")
1685 FORMAT = "Debug: %(asctime)-15s %(message)s"
1686 logging.basicConfig(level=logging.DEBUG, format=FORMAT)
1688 FORMAT = "Critical: %(message)s"
1689 logging.basicConfig(level=logging.CRITICAL, format=FORMAT)
1691 FORMAT = "%(message)s"
1692 logging.basicConfig(level=logging.INFO, format=FORMAT)
1695 def handle_bootloader(device):
1696 """wrapper for installing bootloader
1698 @device: device where bootloader should be installed to"""
1700 # Install bootloader only if not using the --copy-only option
1701 if options.copyonly:
1702 logging.info("Not installing bootloader and its files as requested via option copyonly.")
1703 elif os.path.isdir(device):
1704 logging.info("Not installing bootloader as %s is a directory.", device)
1706 install_bootloader(device)
1710 """Main function [make pylint happy :)]"""
1713 print os.path.basename(sys.argv[0]) + " " + PROG_VERSION
1717 parser.error("invalid usage")
1722 # make sure we have the appropriate permissions
1725 logging.info("Executing grml2usb version %s", PROG_VERSION)
1728 logging.info("Running in simulation mode as requested via option dry-run.")
1730 # specified arguments
1731 device = args[len(args) - 1]
1732 isos = args[0:len(args) - 1]
1734 if not os.path.isdir(device):
1735 if device[-1:].isdigit():
1736 if int(device[-1:]) > 4 or device[-2:].isdigit():
1737 logging.critical("Fatal: installation on partition number >4 not supported. (BIOS won't support it.)")
1740 if os.path.exists(device):
1741 logging.critical("Fatal: installation on raw device not supported. (BIOS won't support it.)")
1744 if not which("rsync"):
1745 logging.critical("Fatal: rsync not available, can not continue - sorry.")
1748 # provide upgrade path
1749 handle_compat_warning(device)
1751 # check for vfat partition
1754 # main operation (like installing files)
1756 if os.path.isdir(iso):
1757 handle_dir(iso, device)
1759 handle_iso(iso, device)
1762 if not os.path.isdir(device):
1763 if not options.skipmbr:
1766 handle_bootloader(device)
1768 logging.info("Note: grml flavour %s was installed as the default booting system.", GRML_DEFAULT)
1770 for flavour in GRML_FLAVOURS:
1771 logging.info("Note: you can boot flavour %s using '%s' on the commandline.", flavour, flavour)
1773 # finally be politely :)
1774 logging.info("Finished execution of grml2usb (%s). Have fun with your grml system.", PROG_VERSION)
1777 if __name__ == "__main__":
1780 except KeyboardInterrupt:
1781 logging.info("Received KeyboardInterrupt")
1784 ## END OF FILE #################################################################
1785 # vim:foldmethod=indent expandtab ai ft=python tw=120 fileencoding=utf-8