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
22 PROG_VERSION = "0.9.13"
23 MOUNTED = set() # register mountpoints
24 TMPFILES = set() # register tmpfiles
25 DATESTAMP = time.mktime(datetime.datetime.now().timetuple()) # unique identifier for syslinux.cfg
26 GRML_FLAVOURS = set() # which flavours are being installed?
30 USAGE = "Usage: %prog [options] <[ISO[s] | /live/image]> </dev/sdX#>\n\
32 %prog installs grml ISO[s] to an USB device to be able to boot from it.\n\
33 Make sure you have at least one grml ISO or a running grml system (/live/image),\n\
34 grub or syslinux and root access.\n\
36 Run %prog --help for usage hints, further information via: man grml2usb"
38 # pylint: disable-msg=C0103
39 parser = OptionParser(usage=USAGE)
40 parser.add_option("--bootoptions", dest="bootoptions",
41 action="store", type="string",
42 help="use specified bootoptions as default")
43 parser.add_option("--bootloader-only", dest="bootloaderonly", action="store_true",
44 help="do not copy files but just install a bootloader")
45 parser.add_option("--copy-only", dest="copyonly", action="store_true",
46 help="copy files only but do not install bootloader")
47 parser.add_option("--dry-run", dest="dryrun", action="store_true",
48 help="avoid executing commands")
49 parser.add_option("--fat16", dest="fat16", action="store_true",
50 help="format specified partition with FAT16")
51 parser.add_option("--force", dest="force", action="store_true",
52 help="force any actions requiring manual interaction")
53 parser.add_option("--grub", dest="grub", action="store_true",
54 help="install grub bootloader instead of (default) syslinux")
55 parser.add_option("--grub-mbr", dest="grubmbr", action="store_true",
56 help="install grub into MBR instead of (default) PBR")
57 parser.add_option("--lilo-binary", dest="lilobin", action="store", type="string",
58 help="lilo executable to be used for installing MBR")
59 parser.add_option("--mbr-menu", dest="mbrmenu", action="store_true",
60 help="enable interactive boot menu in MBR")
61 parser.add_option("--quiet", dest="quiet", action="store_true",
62 help="do not output anything but just errors on console")
63 parser.add_option("--skip-addons", dest="skipaddons", action="store_true",
64 help="do not install /boot/addons/ files")
65 parser.add_option("--skip-grub-config", dest="skipgrubconfig", action="store_true",
66 help="skip generation of grub configuration files")
67 parser.add_option("--skip-mbr", dest="skipmbr", action="store_true",
68 help="do not install a master boot record (MBR) on the device")
69 parser.add_option("--skip-syslinux-config", dest="skipsyslinuxconfig", action="store_true",
70 help="skip generation of syslinux configuration files")
71 parser.add_option("--syslinux", dest="syslinux", action="store_true",
72 help="install syslinux bootloader (deprecated as it's the default)")
73 parser.add_option("--syslinux-mbr", dest="syslinuxmbr", action="store_true",
74 help="install syslinux master boot record (MBR) instead of default")
75 parser.add_option("--verbose", dest="verbose", action="store_true",
76 help="enable verbose mode")
77 parser.add_option("-v", "--version", dest="version", action="store_true",
78 help="display version and exit")
79 (options, args) = parser.parse_args()
82 GRML2USB_BASE = '/usr/share/grml2usb'
83 if not os.path.isdir(GRML2USB_BASE):
84 GRML2USB_BASE = os.path.dirname(os.path.realpath(__file__))
87 class CriticalException(Exception):
88 """Throw critical exception if the exact error is not known but fatal."
90 @Exception: message"""
94 # The following two functions help to operate on strings as
95 # array (list) of bytes (octets). In Python 3000, the bytes
96 # datatype will need to be used. This is intended for using
97 # with manipulation of files on the octet level, like shell
98 # arrays, e.g. in MBR creation.
102 """Convert a list of integers [0;255] to a string."""
103 return struct.pack("%sB" % len(a), *a)
107 """Convert a (bytes) string into a list of integers."""
108 return struct.unpack("%sB" % len(s), s)
112 """Cleanup function to make sure there aren't any mounted devices left behind.
115 logging.info("Cleaning up before exiting...")
116 proc = subprocess.Popen(["sync"])
120 for device in MOUNTED:
122 # ignore: RuntimeError: Set changed size during iteration
124 logging.debug('caught expection RuntimeError, ignoring')
127 def register_tmpfile(path):
129 TODO - not implemented yet
135 def unregister_tmpfile(path):
137 TODO - not implemented yet
141 TMPFILES.remove(path)
144 def register_mountpoint(target):
145 """register specified target in a set() for handling clean exiting
147 @target: destination target of mountpoint
153 def unregister_mountpoint(target):
154 """unregister specified target in a set() for handling clean exiting
156 @target: destination target of mountpoint
159 if target in MOUNTED:
160 MOUNTED.remove(target)
163 def get_function_name(obj):
164 """Helper function for use in execute() to retrive name of a function
166 @obj: the function object
168 if not (isroutine(obj) or isclass(obj)):
170 return obj.__module__ + '.' + obj.__name__
173 def execute(f, *exec_arguments):
174 """Wrapper for executing a command. Either really executes
175 the command (default) or when using --dry-run commandline option
176 just displays what would be executed."""
177 # usage: execute(subprocess.Popen, (["ls", "-la"]))
178 # TODO: doesn't work for proc = execute(subprocess.Popen...() -> any ideas?
180 # pylint: disable-msg=W0141
181 logging.debug('dry-run only: %s(%s)', get_function_name(f), ', '.join(map(repr, exec_arguments)))
183 # pylint: disable-msg=W0142
184 return f(*exec_arguments)
188 """Check whether a given file can be executed
190 @fpath: full path to file
192 return os.path.exists(fpath) and os.access(fpath, os.X_OK)
196 """Check whether a given program is available in PATH
198 @program: name of executable"""
199 fpath = os.path.split(program)[0]
204 for path in os.environ["PATH"].split(os.pathsep):
205 exe_file = os.path.join(path, program)
212 def search_file(filename, search_path='/bin' + os.pathsep + '/usr/bin'):
213 """Given a search path, find file
215 @filename: name of file to search for
216 @search_path: path where searching for the specified filename"""
218 paths = search_path.split(os.pathsep)
219 current_dir = '' # make pylint happy :)
221 # pylint: disable-msg=W0612
222 for current_dir, directories, files in os.walk(path):
223 if os.path.exists(os.path.join(current_dir, filename)):
227 return os.path.abspath(os.path.join(current_dir, filename))
232 def check_uid_root():
233 """Check for root permissions"""
234 if not os.geteuid()==0:
235 sys.exit("Error: please run this script with uid 0 (root).")
238 def mkfs_fat16(device):
239 """Format specified device with VFAT/FAT16 filesystem.
241 @device: partition that should be formated"""
244 logging.info("Would execute mkfs.vfat -F 16 %s now.", device)
247 logging.info("Formating partition with fat16 filesystem")
248 logging.debug("mkfs.vfat -F 16 %s", device)
249 proc = subprocess.Popen(["mkfs.vfat", "-F", "16", device])
251 if proc.returncode != 0:
252 raise CriticalException("error executing mkfs.vfat")
255 def generate_main_grub2_config(grml_flavour, bootoptions):
256 """Generate grub2 configuration for use via grub.cfg
258 @grml_flavour: name of grml flavour the configuration should be generated for
259 @bootoptions: additional bootoptions that should be used by default"""
261 local_datestamp = DATESTAMP
264 ## main grub2 configuration - generated by grml2usb [main config generated at: %(local_datestamp)s]
270 if loadfont /boot/grub/ascii.pf2 ; then
275 if terminal_output.gfxterm ; then true ; else
276 # For backward compatibility with versions of terminal.mod that don't
277 # understand terminal_output
282 if background_image /boot/grub/grml.png ; then
283 set color_normal=black/black
284 set color_highlight=red/black
286 set menu_color_normal=white/black
287 set menu_color_highlight=black/yellow
290 menuentry "%(grml_flavour)s (default)" {
291 set gfxpayload=1024x768x16,1024x768
292 linux /boot/release/%(flavour_filename)s/linux26 apm=power-off quiet boot=live nomce live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
293 initrd /boot/release/%(flavour_filename)s/initrd.gz
296 menuentry "Memory test (memtest86+)" {
297 linux16 /boot/addons/memtest
300 menuentry "Boot Grub (all in one image)" {
301 linux /boot/addons/memdisk
302 initrd /boot/addons/allinone.img
305 menuentry "Boot FreeDOS" {
306 linux /boot/addons/memdisk
307 initrd /boot/addons/balder10.imz
310 menuentry "Boot MirOS bsd4grml" {
311 multiboot /boot/addons/bsd4grml/ldbsd.com
312 module /boot/addons/bsd4grml/bsd.rd
313 module /boot/addons/bsd4grml/boot.1
314 module /boot/addons/bsd4grml/boot.2
315 module /boot/addons/bsd4grml/boot.3
316 module /boot/addons/bsd4grml/boot.4
317 module /boot/addons/bsd4grml/boot.5
318 module /boot/addons/bsd4grml/boot.6
319 module /boot/addons/bsd4grml/boot.cfg
322 menuentry "Boot OS of first partition on first disk" {
327 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
328 'flavour_filename': grml_flavour.replace('-', ''),
329 'bootoptions': bootoptions } )
332 def generate_flavour_specific_grub2_config(grml_flavour, bootoptions):
333 """Generate grub2 configuration for use via grub.cfg
335 @grml_flavour: name of grml flavour the configuration should be generated for
336 @bootoptions: additional bootoptions that should be used by default"""
338 local_datestamp = DATESTAMP
341 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
342 menuentry "%(grml_flavour)s - boot in default mode" {
343 set gfxpayload=1024x768x16,1024x768
344 linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
345 initrd /boot/release/%(flavour_filename)s/initrd.gz
348 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
349 menuentry "%(grml_flavour)s-persistent - enable persistency feature" {
350 set gfxpayload=1024x768x16,1024x768
351 linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet persistent live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
352 initrd /boot/release/%(flavour_filename)s/initrd.gz
355 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
356 menuentry "%(grml_flavour)s2ram - copy compressed grml file to RAM" {
357 set gfxpayload=1024x768x16,1024x768
358 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 %(bootoptions)s
359 initrd /boot/release/%(flavour_filename)s/initrd.gz
362 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
363 menuentry "%(grml_flavour)s-debug - enable debugging options" {
364 set gfxpayload=1024x768x16,1024x768
365 linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ debug initcall_debug%(bootoptions)s
366 initrd /boot/release/%(flavour_filename)s/initrd.gz
369 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
370 menuentry "%(grml_flavour)s-x - start X Window System" {
371 set gfxpayload=1024x768x16,1024x768
372 linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ startx=wm-ng %(bootoptions)s
373 initrd /boot/release/%(flavour_filename)s/initrd.gz
376 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
377 menuentry "%(grml_flavour)s-nofb - disable framebuffer" {
378 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 %(bootoptions)s
379 initrd /boot/release/%(flavour_filename)s/initrd.gz
382 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
383 menuentry "%(grml_flavour)s-failsafe - disable hardware detection" {
384 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 %(bootoptions)s
385 initrd /boot/release/%(flavour_filename)s/initrd.gz
388 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
389 menuentry "%(grml_flavour)s-forensic - do not touch harddisks during hw recognition" {
390 set gfxpayload=1024x768x16,1024x768
391 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 %(bootoptions)s
392 initrd /boot/release/%(flavour_filename)s/initrd.gz
395 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
396 'flavour_filename': grml_flavour.replace('-', ''),
397 'bootoptions': bootoptions } )
400 def generate_flavour_specific_grub1_config(grml_flavour, install_partition, bootoptions):
401 """Generate grub1 configuration for use via menu.lst
403 @grml_flavour: name of grml flavour the configuration should be generated for
404 @install_partition: partition number for use in (hd0,X)
405 @bootoptions: additional bootoptions that should be used by default"""
407 local_datestamp = DATESTAMP
410 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
411 title %(grml_flavour)s
412 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/ %(bootoptions)s
413 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
415 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
416 title %(grml_flavour)s-persistent
417 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/ %(bootoptions)s
418 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
420 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
421 title %(grml_flavour)s2ram
422 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 %(bootoptions)s
423 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
425 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
426 title %(grml_flavour)s-debug
427 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%(bootoptions)s
428 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
430 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
431 title %(grml_flavour)s-x
432 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 %(bootoptions)s
433 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
435 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
436 title %(grml_flavour)s-nofb
437 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 %(bootoptions)s
438 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
440 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
441 title %(grml_flavour)s-failsafe
442 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 %(bootoptions)s
443 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
445 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
446 title %(grml_flavour)s-forensic
447 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 %(bootoptions)s
448 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
450 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
451 title %(grml_flavour)s-serial
452 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 %(bootoptions)s
453 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
455 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
456 'flavour_filename': grml_flavour.replace('-', ''),
457 'bootoptions': bootoptions, 'install_partition': install_partition } )
460 def generate_main_grub1_config(grml_flavour, install_partition, bootoptions):
461 """Generate grub1 configuration for use via menu.lst
463 @grml_flavour: name of grml flavour the configuration should be generated for"""
465 local_datestamp = DATESTAMP
468 ## main grub1 configuration - generated by grml2usb [main config generated at: %(local_datestamp)s]
471 # color red/blue green/black
472 splashimage=(hd0,%(install_partition)s)/boot/grub/splash.xpm.gz
477 title %(grml_flavour)s - Default boot (using 1024x768 framebuffer)
478 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/ %(bootoptions)s
479 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
481 title Memory test (memtest86+)
482 kernel (hd0,%(install_partition)s)/boot/addons/memtest
484 title Grub - all in one image
485 kernel (hd0,%(install_partition)s)/boot/addons/memdisk
486 initrd (hd0,%(install_partition)s)/boot/addons/allinone.img
489 kernel (hd0,%(install_partition)s)/boot/addons/memdisk
490 initrd (hd0,%(install_partition)s)/boot/addons/balder10.imz
493 kernel (hd0,%(install_partition)s)/boot/addons/bsd4grml/ldbsd.com
495 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
496 'flavour_filename': grml_flavour.replace('-', ''),
497 'bootoptions': bootoptions, 'install_partition': install_partition } )
500 def generate_isolinux_splash(grml_flavour):
501 """Generate bootsplash for isolinux/syslinux
503 @grml_flavour: name of grml flavour the configuration should be generated for"""
505 # TODO: adjust last bootsplash line (the one following the "Some information and boot ...")
507 grml_name = grml_flavour
510 \ f17
\f\18/boot/syslinux/logo.16
512 Some information and boot options available via keys F2 - F10. http://grml.org/
514 """ % {'grml_name': grml_name} )
517 def generate_main_syslinux_config(*args):
518 """Generate main configuration for use in syslinux.cfg
520 @*args: just for backward compatibility"""
522 local_datestamp = DATESTAMP
526 menu label Default boot modes:
535 menu label Additional boot entries for:
537 include additional.cfg
544 include promptname.cfg
547 Jump to old style isolinux prompt
548 featuring further information
549 regarding available boot options.
557 def generate_flavour_specific_syslinux_config(grml_flavour):
558 """Generate flavour specific configuration for use in syslinux.cfg
560 @grml_flavour: name of grml flavour the configuration should be generated for"""
564 menu begin grml %(grml_flavour)s
565 menu title %(display_name)s
567 menu label ^Back to main menu...
570 # include config for boot parameters from disk
571 include %(grml_flavour)s_grml.cfg
574 """ % {'grml_flavour': grml_flavour, 'display_name' : grml_flavour.replace('_', '-') } )
577 def install_grub(device):
578 """Install grub on specified device.
580 @mntpoint: mountpoint of device where grub should install its files to
581 @device: partition where grub should be installed to"""
584 logging.info("Would execute grub-install [--root-directory=mount_point] %s now.", device)
586 device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
587 register_tmpfile(device_mountpoint)
590 mount(device, device_mountpoint, "")
592 # If using --grub-mbr then make sure we install grub in MBR instead of PBR
593 # Thanks to grub2. NOT.
595 logging.debug("Using option --grub-mbr ...")
596 if device[-1:].isdigit():
597 grub_device = re.match(r'(.*?)\d*$', device).group(1)
603 logging.info("Installing grub as bootloader")
604 logging.debug("grub-install --recheck --no-floppy --root-directory=%s %s",
605 device_mountpoint, grub_device)
606 proc = subprocess.Popen(["grub-install", "--recheck", "--no-floppy",
607 "--root-directory=%s" % device_mountpoint, grub_device], stdout=file(os.devnull, "r+"))
609 if proc.returncode != 0:
610 # raise Exception("error executing grub-install")
611 logging.critical("Fatal: error executing grub-install (please check the grml2usb FAQ or drop the --grub option)")
612 logging.critical("Note: if using grub2 consider using the --grub-mbr option because grub2's PBR feature is broken.")
615 except CriticalException, error:
616 logging.critical("Fatal: %s", error)
621 unmount(device_mountpoint, "")
622 os.rmdir(device_mountpoint)
623 unregister_tmpfile(device_mountpoint)
626 def install_syslinux(device):
627 """Install syslinux on specified device.
629 @device: partition where syslinux should be installed to"""
632 logging.info("Would install syslinux as bootloader on %s", device)
635 # syslinux -d boot/isolinux /dev/sdb1
636 logging.info("Installing syslinux as bootloader")
637 logging.debug("syslinux -d boot/syslinux %s", device)
638 proc = subprocess.Popen(["syslinux", "-d", "boot/syslinux", device])
640 if proc.returncode != 0:
641 raise CriticalException("Error executing syslinux (either try --fat16 or use grub?)")
644 def install_bootloader(device):
645 """Install bootloader on specified device.
647 @device: partition where bootloader should be installed to"""
649 # by default we use grub, so install syslinux only on request
651 logging.info("Note: the --syslinux option is deprecated as syslinux is grml2usb's default. Continuing anyway.")
654 if not which("grub-install"):
655 logging.critical("Fatal: grub-install not available (please install the grub package or use the --syslinux option)")
661 except CriticalException, error:
662 logging.critical("Fatal: %s", error)
667 install_syslinux(device)
668 except CriticalException, error:
669 logging.critical("Fatal: %s", error)
674 def execute_lilo(lilo, device):
675 """execute lilo for activating the partitions in the MBR
677 @lilo: path of lilo executable
678 @device: device where lilo should be executed on"""
680 # to support -A for extended partitions:
681 logging.info("Activating partitions in MBR via lilo")
682 logging.debug("%s -S /dev/null -M %s ext", lilo, device)
683 proc = subprocess.Popen([lilo, "-S", "/dev/null", "-M", device, "ext"])
685 if proc.returncode != 0:
686 raise Exception("error executing lilo")
688 # activate partition:
689 logging.debug("%s -S /dev/null -A %s 1", lilo, device)
690 proc = subprocess.Popen([lilo, "-S", "/dev/null", "-A", device, "1"])
692 if proc.returncode != 0:
693 raise Exception("error executing lilo")
696 def install_syslinux_mbr(device):
697 """install syslinux's master boot record (MBR) on the specified device
699 @device: device where MBR of syslinux should be installed to"""
701 # make sure we have syslinux available
702 if not which("syslinux") and not options.copyonly:
703 raise Exception("syslinux not available (either install it or consider using the --grub option)")
705 # lilo's mbr is broken, use the one from syslinux instead:
706 if not os.path.isfile("/usr/lib/syslinux/mbr.bin"):
707 raise Exception("/usr/lib/syslinux/mbr.bin can not be read")
709 logging.info("Installing syslinux MBR")
710 logging.debug("cat /usr/lib/syslinux/mbr.bin > %s", device)
712 # TODO -> use Popen instead?
713 retcode = subprocess.call("cat /usr/lib/syslinux/mbr.bin > "+ device, shell=True)
715 logging.critical("Error copying MBR to device (%s)", retcode)
716 except OSError, error:
717 logging.critical("Execution failed: %s", error)
720 def install_mir_mbr(mbrtemplate, device, partition, ismirbsdmbr=True):
721 """install 'mbr' master boot record (MBR) on a device
723 Retrieve the partition table from "device", install an MBR from the
724 "mbrtemplate" file, set the "partition" (0..3) active, and install the
725 result back to "device".
727 @mbrtemplate: default MBR file
729 @device: name of a file assumed to be a hard disc (or USB stick) image, or
730 something like "/dev/sdb"
732 @partition: must be a number between 0 and 3, inclusive
734 @mbrtemplate: must be a valid MBR file of at least 440 (or 439 if
737 @ismirbsdmbr: if true then ignore the active flag, set the mirbsdmbr
738 specific flag to 0/1/2/3 and set the MBR's default value accordingly. If
739 false then leave the mirbsdmbr specific flag set to FFh, set all
740 active flags to 0 and set the active flag of the partition to 80h. Note:
741 behaviour of mirbsdmbr: if flag = 0/1/2/3 then use it, otherwise search for
744 logging.info("Installing default MBR")
746 if not os.path.isfile(mbrtemplate):
747 logging.critical("Error: %s can not be read.", mbrtemplate)
748 raise CriticalException("Error installing MBR (either try --syslinux-mbr or install missing file?)")
750 if (partition < 0) or (partition > 3):
751 raise ValueError("partition must be between 0 and 3")
758 tmpf = tempfile.NamedTemporaryFile()
760 logging.debug("executing: dd if='%s' of='%s' bs=512 count=1", device, tmpf.name)
761 proc = subprocess.Popen(["dd", "if=%s" % device, "of=%s" % tmpf.name, "bs=512", "count=1"], stderr=file(os.devnull, "r+"))
763 if proc.returncode != 0:
764 raise Exception("error executing dd (first run)")
766 logging.debug("executing: dd if=%s of=%s bs=%s count=1 conv=notrunc", mbrtemplate,
767 tmpf.name, nmbrbytes)
768 proc = subprocess.Popen(["dd", "if=%s" % mbrtemplate, "of=%s" % tmpf.name, "bs=%s" % nmbrbytes,
769 "count=1", "conv=notrunc"], stderr=file(os.devnull, "r+"))
771 if proc.returncode != 0:
772 raise Exception("error executing dd (second run)")
774 mbrcode = tmpf.file.read(512)
775 if len(mbrcode) < 512:
776 raise EOFError("MBR size (%d) < 512" % len(mbrcode))
779 mbrcode = mbrcode[0:439] + chr(partition) + \
780 mbrcode[440:510] + "\x55\xAA"
782 actives = ["\x00", "\x00", "\x00", "\x00"]
783 actives[partition] = "\x80"
784 mbrcode = mbrcode[0:446] + actives[0] + \
785 mbrcode[447:462] + actives[1] + \
786 mbrcode[463:478] + actives[2] + \
787 mbrcode[479:494] + actives[3] + \
788 mbrcode[495:510] + "\x55\xAA"
792 tmpf.file.write(mbrcode)
795 logging.debug("executing: dd if='%s' of='%s' bs=512 count=1 conv=notrunc", tmpf.name, device)
796 proc = subprocess.Popen(["dd", "if=%s" % tmpf.name, "of=%s" % device, "bs=512", "count=1",
797 "conv=notrunc"], stderr=file(os.devnull, "r+"))
799 if proc.returncode != 0:
800 raise Exception("error executing dd (third run)")
804 def handle_syslinux_mbr(device):
805 """Install syslinux master boot record on given device
807 @device: device where MBR should be installed to"""
809 if not is_writeable(device):
810 raise IOError("device not writeable for user")
812 # try to use system's lilo
816 # otherwise fall back to our static version
817 from platform import architecture
818 if architecture()[0] == '64bit':
819 lilo = GRML2USB_BASE + '/lilo/lilo.static.amd64'
821 lilo = GRML2USB_BASE + '/lilo/lilo.static.i386'
822 # finally prefer a specified lilo executable
824 lilo = options.lilobin
827 raise Exception("lilo executable can not be execute")
830 logging.info("Would install MBR running lilo and using syslinux.")
833 execute_lilo(lilo, device)
834 install_syslinux_mbr(device)
837 def is_writeable(device):
838 """Check if the device is writeable for the current user
840 @device: partition where bootloader should be installed to"""
844 #raise Exception("no device for checking write permissions")
846 if not os.path.exists(device):
849 return os.access(device, os.W_OK) and os.access(device, os.R_OK)
852 def mount(source, target, mount_options):
853 """Mount specified source on given target
855 @source: name of device/ISO that should be mounted
856 @target: directory where the ISO should be mounted to
857 @options: mount specific options"""
859 # note: options.dryrun does not work here, as we have to
860 # locate files and identify the grml flavour
862 for x in file('/proc/mounts').readlines():
863 if x.startswith(source):
864 raise CriticalException("Error executing mount: %s already mounted - please unmount before invoking grml2usb" % source)
866 if os.path.isdir(source):
867 logging.debug("Source %s is not a device, therefore not mounting.", source)
870 logging.debug("mount %s %s %s", mount_options, source, target)
871 proc = subprocess.Popen(["mount"] + list(mount_options) + [source, target])
873 if proc.returncode != 0:
874 raise CriticalException("Error executing mount (no filesystem on the partition?)")
876 logging.debug("register_mountpoint(%s)", target)
877 register_mountpoint(target)
880 def unmount(target, unmount_options):
881 """Unmount specified target
883 @target: target where something is mounted on and which should be unmounted
884 @options: options for umount command"""
886 # make sure we unmount only already mounted targets
887 target_unmount = False
888 mounts = open('/proc/mounts').readlines()
889 mountstring = re.compile(".*%s.*" % re.escape(os.path.realpath(target)))
891 if re.match(mountstring, line):
892 target_unmount = True
894 if not target_unmount:
895 logging.debug("%s not mounted anymore", target)
897 logging.debug("umount %s %s", list(unmount_options), target)
898 proc = subprocess.Popen(["umount"] + list(unmount_options) + [target])
900 if proc.returncode != 0:
901 raise Exception("Error executing umount")
903 logging.debug("unregister_mountpoint(%s)", target)
904 unregister_mountpoint(target)
907 def check_for_usbdevice(device):
908 """Check whether the specified device is a removable USB device
910 @device: device name, like /dev/sda1 or /dev/sda
913 usbdevice = re.match(r'/dev/(.*?)\d*$', device).group(1)
915 usbdev = os.path.realpath('/sys/class/block/' + usbdevice + '/removable')
916 if not os.path.isfile(usbdev):
917 # Ubuntu with kernel 2.6.24 for example:
918 usbdev = os.path.realpath('/sys/block/' + usbdevice + '/removable')
920 if os.path.isfile(usbdev):
921 is_usb = open(usbdev).readline()
928 def check_for_fat(partition):
929 """Check whether specified partition is a valid VFAT/FAT16 filesystem
931 @partition: device name of partition"""
934 udev_info = subprocess.Popen(["/sbin/blkid", "-s", "TYPE", "-o", "value", partition],
935 stdout=subprocess.PIPE, stderr=subprocess.PIPE)
936 filesystem = udev_info.communicate()[0].rstrip()
938 if udev_info.returncode == 2:
939 raise CriticalException("Failed to read device %s"
940 " (wrong UID/permissions or device/directory not present?)" % partition)
942 if options.syslinux and filesystem != "vfat":
943 raise CriticalException("Partition %s does not contain a FAT16 filesystem. (Use --fat16 or run mkfs.vfat %s)" % (partition, partition))
946 raise CriticalException("Sorry, /sbin/blkid not available (install e2fsprogs?)")
949 def mkdir(directory):
950 """Simple wrapper around os.makedirs to get shell mkdir -p behaviour"""
952 # just silently pass as it's just fine it the directory exists
953 if not os.path.isdir(directory):
955 os.makedirs(directory)
956 # pylint: disable-msg=W0704
961 def exec_rsync(source, target):
962 """Simple wrapper around rsync to install files
964 @source: source file/directory
965 @target: target file/directory"""
966 logging.debug("Source: %s / Target: %s", source, target)
967 proc = subprocess.Popen(["rsync", "-rlptDH", "--inplace", source, target])
969 if proc.returncode == 12:
970 logging.critical("Fatal: No space left on device")
974 if proc.returncode != 0:
975 logging.critical("Fatal: could not install %s", source)
980 def copy_system_files(grml_flavour, iso_mount, target):
981 """copy grml's main files (like squashfs, kernel and initrd) to a given target
983 @grml_flavour: name of grml flavour the configuration should be generated for
984 @iso_mount: path where a grml ISO is mounted on
985 @target: path where grml's main files should be copied to"""
987 squashfs = search_file(grml_flavour + '.squashfs', iso_mount)
989 logging.critical("Fatal: squashfs file not found")
990 raise CriticalException("error locating squashfs file")
992 squashfs_target = target + '/live/' + grml_flavour + '/'
993 execute(mkdir, squashfs_target)
994 exec_rsync(squashfs, squashfs_target + grml_flavour + '.squashfs')
996 filesystem_module = search_file('filesystem.module', iso_mount)
997 if filesystem_module is None:
998 logging.critical("Fatal: filesystem.module not found")
999 raise CriticalException("error locating filesystem.module file")
1001 exec_rsync(filesystem_module, squashfs_target + 'filesystem.module')
1003 release_target = target + '/boot/release/' + grml_flavour.replace('-', '')
1004 execute(mkdir, release_target)
1006 kernel = search_file('linux26', iso_mount)
1008 logging.critical("Fatal kernel not found")
1009 raise CriticalException("error locating kernel file")
1011 exec_rsync(kernel, release_target + '/linux26')
1013 initrd = search_file('initrd.gz', iso_mount)
1015 logging.critical("Fatal: initrd not found")
1016 raise CriticalException("error locating initrd file")
1018 exec_rsync(initrd, release_target + '/initrd.gz')
1021 def copy_grml_files(iso_mount, target):
1022 """copy some minor grml files to a given target
1024 @iso_mount: path where a grml ISO is mounted on
1025 @target: path where grml's main files should be copied to"""
1027 grml_target = target + '/grml/'
1028 execute(mkdir, grml_target)
1030 for myfile in 'grml-cheatcodes.txt', 'grml-version', 'LICENSE.txt', 'md5sums', 'README.txt':
1031 grml_file = search_file(myfile, iso_mount)
1032 if grml_file is None:
1033 logging.warn("Warning: myfile %s could not be found - can not install it", myfile)
1035 exec_rsync(grml_file, grml_target + myfile)
1037 grml_web_target = grml_target + '/web/'
1038 execute(mkdir, grml_web_target)
1040 for myfile in 'index.html', 'style.css':
1041 grml_file = search_file(myfile, iso_mount)
1042 if grml_file is None:
1043 logging.warn("Warning: myfile %s could not be found - can not install it")
1045 exec_rsync(grml_file, grml_web_target + myfile)
1047 grml_webimg_target = grml_web_target + '/images/'
1048 execute(mkdir, grml_webimg_target)
1050 for myfile in 'button.png', 'favicon.png', 'linux.jpg', 'logo.png':
1051 grml_file = search_file(myfile, iso_mount)
1052 if grml_file is None:
1053 logging.warn("Warning: myfile %s could not be found - can not install it")
1055 exec_rsync(grml_file, grml_webimg_target + myfile)
1058 def copy_addons(iso_mount, target):
1059 """copy grml's addons files (like allinoneimg, bsd4grml,..) to a given target
1061 @iso_mount: path where a grml ISO is mounted on
1062 @target: path where grml's main files should be copied to"""
1064 addons = target + '/boot/addons/'
1065 execute(mkdir, addons)
1067 # grub all-in-one image
1068 allinoneimg = search_file('allinone.img', iso_mount)
1069 if allinoneimg is None:
1070 logging.warn("Warning: allinone.img not found (that's fine if you don't need it)")
1072 exec_rsync(allinoneimg, addons + 'allinone.img')
1075 bsdimg = search_file('bsd4grml', iso_mount)
1077 logging.warn("Warning: bsd4grml not found (that's fine if you don't need it)")
1079 exec_rsync(bsdimg, addons + '/')
1082 balderimg = search_file('balder10.imz', iso_mount)
1083 if balderimg is None:
1084 logging.warn("Warning: balder10.imz not found (that's fine if you don't need it)")
1086 exec_rsync(balderimg, addons + 'balder10.imz')
1088 # install hdt and pci.ids only when using syslinux (grub doesn't support it)
1089 if options.syslinux:
1090 # hdt (hardware detection tool) image
1091 hdtimg = search_file('hdt.c32', iso_mount)
1093 exec_rsync(hdtimg, addons + '/hdt.c32')
1096 picids = search_file('pci.ids', iso_mount)
1098 exec_rsync(picids, addons + '/pci.ids')
1101 memdiskimg = search_file('memdisk', iso_mount)
1102 if memdiskimg is None:
1103 logging.warn("Warning: memdisk not found (that's fine if you don't need it)")
1105 exec_rsync(memdiskimg, addons + 'memdisk')
1108 memtestimg = search_file('memtest', iso_mount)
1109 if memtestimg is None:
1110 logging.warn("Warning: memtest not found (that's fine if you don't need it)")
1112 exec_rsync(memtestimg, addons + 'memtest')
1115 def copy_bootloader_files(iso_mount, target):
1116 """copy grml's bootloader files to a given target
1118 @iso_mount: path where a grml ISO is mounted on
1119 @target: path where grml's main files should be copied to"""
1121 syslinux_target = target + '/boot/syslinux/'
1122 execute(mkdir, syslinux_target)
1124 logo = search_file('logo.16', iso_mount)
1125 exec_rsync(logo, syslinux_target + 'logo.16')
1127 for ffile in ['f%d' % number for number in range(1,11) ]:
1128 bootsplash = search_file(ffile, iso_mount)
1129 exec_rsync(bootsplash, syslinux_target + ffile)
1131 # avoid the "file is read only, overwrite anyway (y/n) ?" question
1132 # of mtools by syslinux ("mmove -D o -D O s:/ldlinux.sys $target_file")
1133 if os.path.isfile(syslinux_target + 'ldlinux.sys'):
1134 os.unlink(syslinux_target + 'ldlinux.sys')
1136 if not search_file('default.cfg', iso_mount + '/boot/isolinux/'):
1137 logging.critical("Fatal: file default.cfg could not be found.")
1138 logging.critical("Note: this grml2usb version requires an ISO generated by grml-live >=0.9.24 ...")
1139 logging.critical(" ... either use grml releases >=2009.10 or switch to an older grml2usb version.")
1140 logging.critical(" Please visit http://grml.org/grml2usb/#grml2usb-compat for further information.")
1143 for filename in 'addons.cfg', 'default.cfg', 'distri.cfg', \
1144 'grml.cfg', 'grml.png', 'hd.cfg', 'isolinux.cfg', 'isolinux.bin', \
1145 'isoprompt.cfg', 'options.cfg', \
1146 'prompt.cfg', 'vesamenu.c32', 'vesamenu.cfg', 'grml.png':
1147 path = search_file(filename, iso_mount + '/boot/isolinux/')
1151 exec_rsync(path, syslinux_target + filename)
1153 path = search_file('hidden.cfg', iso_mount + '/boot/isolinux/')
1154 exec_rsync(path, syslinux_target + "new_" + 'hidden.cfg')
1157 grub_target = target + '/boot/grub/'
1158 execute(mkdir, grub_target)
1160 if not os.path.isfile(GRML2USB_BASE + "/grub/splash.xpm.gz"):
1161 logging.critical("Error: %s/grub/splash.xpm.gz can not be read.", GRML2USB_BASE)
1162 logging.critical("Please make sure you've installed the grml2usb (Debian) package!")
1165 exec_rsync(GRML2USB_BASE + '/grub/splash.xpm.gz', grub_target + 'splash.xpm.gz')
1167 # grml splash in grub
1168 if os.path.isfile(GRML2USB_BASE + "/grub/grml.png"):
1169 exec_rsync(GRML2USB_BASE + '/grub/grml.png', grub_target + 'grml.png')
1171 # font file for graphical bootsplash in grub
1172 if os.path.isfile("/usr/share/grub/ascii.pf2"):
1173 exec_rsync('/usr/share/grub/ascii.pf2', grub_target + 'ascii.pf2')
1176 def install_iso_files(grml_flavour, iso_mount, device, target):
1177 """Copy files from ISO to given target
1179 @grml_flavour: name of grml flavour the configuration should be generated for
1180 @iso_mount: path where a grml ISO is mounted on
1181 @device: device/partition where bootloader should be installed to
1182 @target: path where grml's main files should be copied to"""
1184 # TODO => several improvements:
1185 # * make sure grml_flavour, iso_mount, target are set when the function is called, otherwise raise exception
1186 # * provide alternative search_file() if file information is stored in a config.ini file?
1187 # * catch "install: .. No space left on device" & CO
1191 elif not options.bootloaderonly:
1192 logging.info("Copying files. This might take a while....")
1194 copy_system_files(grml_flavour, iso_mount, target)
1195 copy_grml_files(iso_mount, target)
1196 except CriticalException, error:
1197 logging.critical("Execution failed: %s", error)
1200 if not options.skipaddons:
1201 if grml_flavour.endswith('-small'):
1202 logging.info("Note: grml-small doesn't provide any addons, not installing them therefore.")
1204 copy_addons(iso_mount, target)
1206 if not options.copyonly:
1207 copy_bootloader_files(iso_mount, target)
1209 if not options.dryrun:
1210 handle_bootloader_config(grml_flavour, device, target)
1212 # make sure we sync filesystems before returning
1213 proc = subprocess.Popen(["sync"])
1217 def uninstall_files(device):
1218 """Get rid of all grml files on specified device
1220 @device: partition where grml2usb files should be removed from"""
1222 # TODO - not implemented yet
1223 logging.critical("TODO: uninstalling files from %s not yet implement, sorry.", device)
1226 def identify_grml_flavour(mountpath):
1227 """Get name of grml flavour
1229 @mountpath: path where the grml ISO is mounted to
1230 @return: name of grml-flavour"""
1232 version_file = search_file('grml-version', mountpath)
1234 if version_file == "":
1235 logging.critical("Error: could not find grml-version file.")
1239 tmpfile = open(version_file, 'r')
1240 grml_info = tmpfile.readline()
1241 grml_flavour = re.match(r'[\w-]*', grml_info).group()
1244 except Exception, e:
1245 logging.critical("Unexpected error: %s", e)
1251 def handle_grub1_config(grml_flavour, install_partition, grub_target, bootopt):
1252 """Main handler for generating grub1 configuration
1254 @grml_flavour: name of grml flavour the configuration should be generated for
1255 @install_partition: partition number for use in (hd0,X)
1256 @grub_target: path of grub's configuration files
1257 @bootoptions: additional bootoptions that should be used by default"""
1260 grub1_cfg = grub_target + 'menu.lst'
1261 logging.debug("Creating grub1 configuration file (menu.lst)")
1263 # install main configuration only *once*, no matter how many ISOs we have:
1264 if os.path.isfile(grub1_cfg):
1265 string = open(grub1_cfg).readline()
1266 main_identifier = re.compile(".*main config generated at: %s.*" % re.escape(str(DATESTAMP)))
1267 if not re.match(main_identifier, string):
1268 grub1_config_file = open(grub1_cfg, 'w')
1269 grub1_config_file.write(generate_main_grub1_config(grml_flavour, install_partition, bootopt))
1270 grub1_config_file.close()
1272 grub1_config_file = open(grub1_cfg, 'w')
1273 grub1_config_file.write(generate_main_grub1_config(grml_flavour, install_partition, bootopt))
1274 grub1_config_file.close()
1276 grub_flavour_config = True
1277 if os.path.isfile(grub1_cfg):
1278 string = open(grub1_cfg).readlines()
1279 flavour = re.compile("grml2usb for %s: %s" % (re.escape(grml_flavour), re.escape(str(DATESTAMP))))
1281 if flavour.match(line):
1282 grub_flavour_config = False
1284 if grub_flavour_config:
1285 grub1_config_file = open(grub1_cfg, 'a')
1286 grub1_config_file.write(generate_flavour_specific_grub1_config(grml_flavour, install_partition, bootopt))
1287 grub1_config_file.close()
1289 # make sure grub.conf isn't a symlink but a plain file instead,
1290 # otherwise it will break on FAT16 filesystems
1291 # this works around grub-install of (at least) Fedora 10
1292 if os.path.isfile(grub1_cfg):
1293 grubconf = grub_target + 'grub.conf'
1294 if not os.path.islink(grubconf):
1296 shutil.copyfile(grub1_cfg, grub_target + 'grub.conf')
1298 def handle_grub2_config(grml_flavour, grub_target, bootopt):
1299 """Main handler for generating grub2 configuration
1301 @grml_flavour: name of grml flavour the configuration should be generated for
1302 @grub_target: path of grub's configuration files
1303 @bootoptions: additional bootoptions that should be used by default"""
1306 grub2_cfg = grub_target + 'grub.cfg'
1307 logging.debug("Creating grub2 configuration file (grub.lst)")
1311 # install main configuration only *once*, no matter how many ISOs we have:
1312 grub_flavour_is_default = False
1313 if os.path.isfile(grub2_cfg):
1314 string = open(grub2_cfg).readline()
1315 main_identifier = re.compile(".*main config generated at: %s.*" % re.escape(str(DATESTAMP)))
1316 if not re.match(main_identifier, string):
1317 grub2_config_file = open(grub2_cfg, 'w')
1318 GRML_DEFAULT = grml_flavour
1319 grub_flavour_is_default = True
1320 grub2_config_file.write(generate_main_grub2_config(grml_flavour, bootopt))
1321 grub2_config_file.close()
1323 grub2_config_file = open(grub2_cfg, 'w')
1324 GRML_DEFAULT = grml_flavour
1325 grub_flavour_is_default = True
1326 grub2_config_file.write(generate_main_grub2_config(grml_flavour, bootopt))
1327 grub2_config_file.close()
1329 # install flavour specific configuration only *once* as well
1330 grub_flavour_config = True
1331 if os.path.isfile(grub2_cfg):
1332 string = open(grub2_cfg).readlines()
1333 flavour = re.compile("grml2usb for %s: %s" % (re.escape(grml_flavour), re.escape(str(DATESTAMP))))
1335 if flavour.match(line):
1336 grub_flavour_config = False
1338 if grub_flavour_config:
1339 grub2_config_file = open(grub2_cfg, 'a')
1340 # display only if the grml flavour isn't the default
1341 if not grub_flavour_is_default:
1342 GRML_FLAVOURS.add(grml_flavour)
1343 grub2_config_file.write(generate_flavour_specific_grub2_config(grml_flavour, bootopt))
1344 grub2_config_file.close()
1347 def handle_grub_config(grml_flavour, device, target):
1348 """Main handler for generating grub (v1 and v2) configuration
1350 @grml_flavour: name of grml flavour the configuration should be generated for
1351 @device: device/partition where grub should be installed to
1352 @target: path of grub's configuration files"""
1354 logging.debug("Generating grub configuration")
1356 grub_target = target + '/boot/grub/'
1357 execute(mkdir, grub_target)
1359 if os.path.isdir(device):
1360 install_grub1_partition = None
1362 if device[-1:].isdigit():
1363 install_grub1_partition = int(device[-1:]) - 1
1365 raise CriticalException("error validating partition schema (raw device?)")
1367 # do NOT write "None" in kernel cmdline
1368 if options.bootoptions is None:
1371 bootopt = options.bootoptions
1374 handle_grub1_config(grml_flavour, install_grub1_partition, grub_target, bootopt)
1376 handle_grub2_config(grml_flavour, grub_target, bootopt)
1379 def initial_syslinux_config(target):
1380 """Generates intial syslinux configuration
1382 @target path of syslinux's configuration files"""
1384 target = target + "/"
1385 filename = target + "grmlmain.cfg"
1386 if os.path.isfile(target + "grmlmain.cfg"):
1388 data = open(filename, "w")
1389 data.write(generate_main_syslinux_config())
1392 filename = target + "hiddens.cfg"
1393 data = open(filename, "w")
1394 data.write("include hidden.cfg\n")
1397 def add_entry_if_not_present(filename, entry):
1398 data = open(filename, "a+")
1409 def adjust_syslinux_bootoptions(src, flavour):
1410 append_re = re.compile("^(\s*append.*)$", re.I)
1411 boot_re = re.compile("/boot/([a-zA-Z0-9_]+/)+([a-zA-Z0-9._]+)")
1412 # flavour_re = re.compile("(label.*)(grml\w+)")
1413 default_re = re.compile("(default.cfg)")
1415 # do NOT write "None" in kernel cmdline
1416 if options.bootoptions is None:
1419 bootopt = options.bootoptions
1421 for line in fileinput.input(src, inplace=1):
1422 line = boot_re.sub(r'/boot/release/%s/\2 ' % flavour.replace('-', ''), line)
1423 # line = flavour_re.sub(r'\1 %s-\2' % flavour, line)
1424 line = default_re.sub(r'%s-\1' % flavour, line)
1425 line = append_re.sub(r'\1 live-media-path=/live/%s/ ' % flavour, line)
1426 line = append_re.sub(r'\1 boot=live %s ' % bootopt, line)
1427 sys.stdout.write(line)
1430 def adjust_labels(src, flavour):
1431 label_re = re.compile("^(\s*label\s*) ([a-zA-Z0-9_-]+)", re.I)
1432 for line in fileinput.input(src, inplace=1):
1433 line = label_re.sub(r'\1 %s-\2' % flavour, line)
1434 sys.stdout.write(line)
1438 def add_syslinux_entry(filename, grml_flavour):
1439 entry_filename = "option_%s.cfg" % grml_flavour
1440 entry = "include %s\n" % entry_filename
1442 add_entry_if_not_present(filename, entry)
1443 path = os.path.dirname(filename)
1445 data = open(path + "/" + entry_filename, "w")
1446 data.write(generate_flavour_specific_syslinux_config(grml_flavour))
1449 def modify_filenames(grml_flavour, target, filenames):
1450 grml_filename = grml_flavour.replace('-', '_')
1451 for filename in filenames:
1452 old_filename = "%s/%s" % (target, filename)
1453 new_filename = "%s/%s_%s" % (target, grml_filename, filename)
1454 os.rename(old_filename, new_filename)
1455 adjust_syslinux_bootoptions(new_filename, grml_flavour)
1458 def remove_default_entry(filename):
1459 default_re = re.compile("^(\s*menu\s*default\s*)$", re.I)
1460 for line in fileinput.input(filename, inplace=1):
1461 if default_re.match(line): continue
1462 sys.stdout.write(line)
1466 def handle_syslinux_config(grml_flavour, target):
1467 """Main handler for generating syslinux configuration
1469 @grml_flavour: name of grml flavour the configuration should be generated for
1470 @target: path of syslinux's configuration files"""
1472 # do NOT write "None" in kernel cmdline
1473 if options.bootoptions is None:
1476 bootopt = options.bootoptions
1478 logging.debug("Generating syslinux configuration")
1479 syslinux_target = target + '/boot/syslinux/'
1480 # should be present via copy_bootloader_files(), but make sure it exits:
1481 execute(mkdir, syslinux_target)
1482 syslinux_cfg = syslinux_target + 'syslinux.cfg'
1486 # install main configuration only *once*, no matter how many ISOs we have:
1487 syslinux_flavour_is_default = False
1488 syslinux_config_file = open(syslinux_cfg, 'w')
1489 syslinux_config_file.write("TIMEOUT 300\n")
1490 syslinux_config_file.write("include vesamenu.cfg\n")
1491 syslinux_config_file.close()
1493 prompt_name = open(syslinux_target + 'promptname.cfg', 'w')
1494 prompt_name.write('menu label S^yslinux prompt\n')
1497 initial_syslinux_config(syslinux_target)
1498 modify_filenames(grml_flavour, syslinux_target, ['grml.cfg', 'default.cfg'])
1500 filename = search_file("new_hidden.cfg", syslinux_target)
1503 flavour_filename = grml_flavour.replace('-', '_')
1504 # process hidden file
1505 if not search_file("hidden.cfg", syslinux_target):
1506 new_hidden = syslinux_target + "hidden.cfg"
1507 os.rename(filename, new_hidden)
1508 adjust_syslinux_bootoptions(new_hidden, grml_flavour)
1510 new_hidden = "%s_hidden.cfg" % (flavour_filename)
1511 new_hidden_file = "%s/%s" % (syslinux_target, new_hidden)
1512 os.rename(filename, new_hidden_file)
1513 adjust_labels(new_hidden_file, flavour_filename)
1514 adjust_syslinux_bootoptions(new_hidden_file, flavour_filename)
1515 entry = 'include %s\n' % new_hidden
1516 add_entry_if_not_present("%s/hiddens.cfg" % syslinux_target, entry)
1520 new_default = "%s_default.cfg" % (flavour_filename)
1521 entry = 'include %s\n' % new_default
1522 defaults_file = '%s/defaults.cfg' % syslinux_target
1524 if os.path.isfile(defaults_file):
1525 remove_default_entry('%s/%s_default.cfg' % (syslinux_target, flavour_filename))
1527 add_entry_if_not_present("%s/defaults.cfg" % syslinux_target, entry)
1529 add_syslinux_entry("%s/additional.cfg" % syslinux_target, flavour_filename)
1532 def handle_bootloader_config(grml_flavour, device, target):
1533 """Main handler for generating bootloader's configuration
1535 @grml_flavour: name of grml flavour the configuration should be generated for
1536 @device: device/partition where bootloader should be installed to
1537 @target: path of bootloader's configuration files"""
1539 if options.skipsyslinuxconfig:
1540 logging.info("Skipping generation of syslinux configuration as requested.")
1543 handle_syslinux_config(grml_flavour, target)
1544 except CriticalException, error:
1545 logging.critical("Fatal: %s", error)
1548 if options.skipgrubconfig:
1549 logging.info("Skipping generation of grub configuration as requested.")
1552 handle_grub_config(grml_flavour, device, target)
1553 except CriticalException, error:
1554 logging.critical("Fatal: %s", error)
1558 def handle_dir(live_image, device):
1559 """Main logic for copying files of the currently running grml system.
1561 @live_image: directory where currently running live system resides (usually /live/image)
1562 @device: partition where the specified ISO should be installed to"""
1564 logging.info("Using %s as install base", live_image)
1566 if os.path.isdir(device):
1567 logging.info("Specified target is a directory, therefore not mounting.")
1568 device_mountpoint = device
1569 remove_device_mountpoint = False
1571 device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
1572 register_tmpfile(device_mountpoint)
1573 remove_device_mountpoint = True
1575 mount(device, device_mountpoint, "")
1576 except CriticalException, error:
1577 logging.critical("Fatal: %s", error)
1583 grml_flavour = identify_grml_flavour(live_image)
1584 logging.info("Identified grml flavour \"%s\".", grml_flavour)
1585 install_iso_files(grml_flavour, live_image, device, device_mountpoint)
1587 logging.critical("Fatal: a critical error happend during execution (not a grml ISO?), giving up")
1590 if remove_device_mountpoint:
1592 unmount(device_mountpoint, "")
1593 if os.path.isdir(device_mountpoint):
1594 os.rmdir(device_mountpoint)
1595 unregister_tmpfile(device_mountpoint)
1596 except CriticalException, error:
1597 logging.critical("Fatal: %s", error)
1601 def handle_iso(iso, device):
1602 """Main logic for mounting ISOs and copying files.
1604 @iso: full path to the ISO that should be installed to the specified device
1605 @device: partition where the specified ISO should be installed to"""
1607 logging.info("Using ISO %s", iso)
1609 iso_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
1610 register_tmpfile(iso_mountpoint)
1611 remove_iso_mountpoint = True
1613 if not os.path.isfile(iso):
1614 logging.critical("Fatal: specified ISO %s could not be read", iso)
1619 mount(iso, iso_mountpoint, ["-o", "loop", "-t", "iso9660"])
1620 except CriticalException, error:
1621 logging.critical("Fatal: %s", error)
1624 if os.path.isdir(device):
1625 logging.info("Specified target is a directory, therefore not mounting.")
1626 device_mountpoint = device
1627 remove_device_mountpoint = False
1630 device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
1631 register_tmpfile(device_mountpoint)
1632 remove_device_mountpoint = True
1634 mount(device, device_mountpoint, "")
1635 except CriticalException, error:
1636 logging.critical("Fatal: %s", error)
1642 grml_flavour = identify_grml_flavour(iso_mountpoint)
1643 logging.info("Identified grml flavour \"%s\".", grml_flavour)
1644 install_iso_files(grml_flavour, iso_mountpoint, device, device_mountpoint)
1646 logging.critical("Fatal: a critical error happend during execution (not a grml ISO?), giving up")
1649 if os.path.isdir(iso_mountpoint) and remove_iso_mountpoint:
1650 unmount(iso_mountpoint, "")
1651 os.rmdir(iso_mountpoint)
1652 unregister_tmpfile(iso_mountpoint)
1653 if remove_device_mountpoint:
1655 unmount(device_mountpoint, "")
1656 if os.path.isdir(device_mountpoint):
1657 os.rmdir(device_mountpoint)
1658 unregister_tmpfile(device_mountpoint)
1659 except CriticalException, error:
1660 logging.critical("Fatal: %s", error)
1664 def handle_mbr(device):
1665 """Main handler for installing master boot record (MBR)
1667 @device: device where the MBR should be installed to"""
1670 logging.info("Would install MBR")
1673 if device[-1:].isdigit():
1674 mbr_device = re.match(r'(.*?)\d*$', device).group(1)
1675 partition_number = int(device[-1:]) - 1
1676 skip_install_mir_mbr = False
1678 # if we get e.g. /dev/loop1 as device we don't want to put the MBR
1679 # into /dev/loop of course, therefore use /dev/loop1 as mbr_device
1680 if mbr_device == "/dev/loop":
1682 logging.info("Detected loop device - using %s as MBR device therefore", mbr_device)
1683 skip_install_mir_mbr = True
1686 if options.syslinuxmbr:
1687 handle_syslinux_mbr(mbr_device)
1688 elif not skip_install_mir_mbr:
1690 install_mir_mbr(GRML2USB_BASE + '/mbr/mbrmgr', mbr_device, partition_number, True)
1692 install_mir_mbr(GRML2USB_BASE + '/mbr/mbrldr', mbr_device, partition_number, False)
1693 except IOError, error:
1694 logging.critical("Execution failed: %s", error)
1696 except Exception, error:
1697 logging.critical("Execution failed: %s", error)
1701 def handle_vfat(device):
1702 """Check for FAT specific settings and options
1704 @device: device that should checked / formated"""
1706 # make sure we have mkfs.vfat available
1708 if not which("mkfs.vfat") and not options.copyonly and not options.dryrun:
1709 logging.critical('Sorry, mkfs.vfat not available. Exiting.')
1710 logging.critical('Please make sure to install dosfstools.')
1715 print "Forcing mkfs.fat16 on %s as requested via option --force." % device
1718 # make sure the user is aware of what he is doing
1719 f = raw_input("Are you sure you want to format the specified partition with fat16? y/N ")
1720 if f == "y" or f == "Y":
1721 logging.info("Note: you can skip this question using the option --force")
1727 except CriticalException, error:
1728 logging.critical("Execution failed: %s", error)
1733 # check for vfat filesystem
1734 if device is not None and not os.path.isdir(device):
1736 check_for_fat(device)
1737 except CriticalException, error:
1738 logging.critical("Execution failed: %s", error)
1741 if not os.path.isdir(device) and not check_for_usbdevice(device):
1742 print "Warning: the specified device %s does not look like a removable usb device." % device
1743 f = raw_input("Do you really want to continue? y/N ")
1744 if f == "y" or f == "Y":
1750 def handle_compat_warning(device):
1751 """Backwards compatible checks
1753 @device: device that should be checked"""
1755 # make sure we can replace old grml2usb script and warn user when using old way of life:
1756 if device.startswith("/mnt/external") or device.startswith("/mnt/usb") and not options.force:
1757 print "Warning: the semantics of grml2usb has changed."
1758 print "Instead of using grml2usb /path/to/iso %s you might" % device
1759 print "want to use grml2usb /path/to/iso /dev/... instead."
1760 print "Please check out the grml2usb manpage for details."
1761 f = raw_input("Do you really want to continue? y/N ")
1762 if f == "y" or f == "Y":
1768 def handle_logging():
1769 """Log handling and configuration"""
1771 if options.verbose and options.quiet:
1772 parser.error("please use either verbose (--verbose) or quiet (--quiet) option")
1775 FORMAT = "Debug: %(asctime)-15s %(message)s"
1776 logging.basicConfig(level=logging.DEBUG, format=FORMAT)
1778 FORMAT = "Critical: %(message)s"
1779 logging.basicConfig(level=logging.CRITICAL, format=FORMAT)
1781 FORMAT = "%(message)s"
1782 logging.basicConfig(level=logging.INFO, format=FORMAT)
1785 def handle_bootloader(device):
1786 """wrapper for installing bootloader
1788 @device: device where bootloader should be installed to"""
1790 # Install bootloader only if not using the --copy-only option
1791 if options.copyonly:
1792 logging.info("Not installing bootloader and its files as requested via option copyonly.")
1793 elif os.path.isdir(device):
1794 logging.info("Not installing bootloader as %s is a directory.", device)
1796 install_bootloader(device)
1800 """Main function [make pylint happy :)]"""
1803 print os.path.basename(sys.argv[0]) + " " + PROG_VERSION
1807 parser.error("invalid usage")
1812 # make sure we have the appropriate permissions
1815 logging.info("Executing grml2usb version %s", PROG_VERSION)
1818 logging.info("Running in simulation mode as requested via option dry-run.")
1820 # specified arguments
1821 device = args[len(args) - 1]
1822 isos = args[0:len(args) - 1]
1824 if not os.path.isdir(device):
1825 if device[-1:].isdigit():
1826 if int(device[-1:]) > 4 or device[-2:].isdigit():
1827 logging.critical("Fatal: installation on partition number >4 not supported. (BIOS won't support it.)")
1830 if os.path.exists(device):
1831 logging.critical("Fatal: installation on raw device not supported. (BIOS won't support it.)")
1834 if not which("rsync"):
1835 logging.critical("Fatal: rsync not available, can not continue - sorry.")
1838 # provide upgrade path
1839 handle_compat_warning(device)
1841 # check for vfat partition
1844 # main operation (like installing files)
1846 if os.path.isdir(iso):
1847 handle_dir(iso, device)
1849 handle_iso(iso, device)
1852 if not os.path.isdir(device):
1853 if not options.skipmbr:
1856 handle_bootloader(device)
1858 logging.info("Note: grml flavour %s was installed as the default booting system.", GRML_DEFAULT)
1860 for flavour in GRML_FLAVOURS:
1861 logging.info("Note: you can boot flavour %s using '%s' on the commandline.", flavour, flavour)
1863 # finally be politely :)
1864 logging.info("Finished execution of grml2usb (%s). Have fun with your grml system.", PROG_VERSION)
1866 if __name__ == "__main__":
1869 except KeyboardInterrupt:
1870 logging.info("Received KeyboardInterrupt")
1873 ## END OF FILE #################################################################
1874 # vim:foldmethod=indent expandtab ai ft=python tw=120 fileencoding=utf-8