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-pre1"
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/%(grml_flavour)s/linux26 apm=power-off quiet boot=live nomce live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
293 initrd /boot/release/%(grml_flavour)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 'bootoptions': bootoptions } )
331 def generate_flavour_specific_grub2_config(grml_flavour, bootoptions):
332 """Generate grub2 configuration for use via grub.cfg
334 @grml_flavour: name of grml flavour the configuration should be generated for
335 @bootoptions: additional bootoptions that should be used by default"""
337 local_datestamp = DATESTAMP
340 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
341 menuentry "%(grml_flavour)s - boot in default mode" {
342 set gfxpayload=1024x768x16,1024x768
343 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
344 initrd /boot/release/%(grml_flavour)s/initrd.gz
347 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
348 menuentry "%(grml_flavour)s-persistent - enable persistency feature" {
349 set gfxpayload=1024x768x16,1024x768
350 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet persistent live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
351 initrd /boot/release/%(grml_flavour)s/initrd.gz
354 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
355 menuentry "%(grml_flavour)s2ram - copy compressed grml file to RAM" {
356 set gfxpayload=1024x768x16,1024x768
357 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
358 initrd /boot/release/%(grml_flavour)s/initrd.gz
361 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
362 menuentry "%(grml_flavour)s-debug - enable debugging options" {
363 set gfxpayload=1024x768x16,1024x768
364 linux /boot/release/%(grml_flavour)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ debug initcall_debug%(bootoptions)s
365 initrd /boot/release/%(grml_flavour)s/initrd.gz
368 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
369 menuentry "%(grml_flavour)s-x - start X Window System" {
370 set gfxpayload=1024x768x16,1024x768
371 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
372 initrd /boot/release/%(grml_flavour)s/initrd.gz
375 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
376 menuentry "%(grml_flavour)s-nofb - disable framebuffer" {
377 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
378 initrd /boot/release/%(grml_flavour)s/initrd.gz
381 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
382 menuentry "%(grml_flavour)s-failsafe - disable hardware detection" {
383 linux /boot/release/%(grml_flavour)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
384 initrd /boot/release/%(grml_flavour)s/initrd.gz
387 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
388 menuentry "%(grml_flavour)s-forensic - do not touch harddisks during hw recognition" {
389 set gfxpayload=1024x768x16,1024x768
390 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
391 initrd /boot/release/%(grml_flavour)s/initrd.gz
394 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
395 'bootoptions': bootoptions } )
398 def generate_flavour_specific_grub1_config(grml_flavour, install_partition, bootoptions):
399 """Generate grub1 configuration for use via menu.lst
401 @grml_flavour: name of grml flavour the configuration should be generated for
402 @install_partition: partition number for use in (hd0,X)
403 @bootoptions: additional bootoptions that should be used by default"""
405 local_datestamp = DATESTAMP
408 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
409 title %(grml_flavour)s
410 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
411 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
413 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
414 title %(grml_flavour)s-persistent
415 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
416 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
418 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
419 title %(grml_flavour)s2ram
420 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
421 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
423 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
424 title %(grml_flavour)s-debug
425 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 initcall_debug%(bootoptions)s
426 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
428 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
429 title %(grml_flavour)s-x
430 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
431 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
433 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
434 title %(grml_flavour)s-nofb
435 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
436 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
438 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
439 title %(grml_flavour)s-failsafe
440 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 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
441 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
443 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
444 title %(grml_flavour)s-forensic
445 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
446 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
448 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
449 title %(grml_flavour)s-serial
450 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
451 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
453 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
454 'bootoptions': bootoptions, 'install_partition': install_partition } )
457 def generate_main_grub1_config(grml_flavour, install_partition, bootoptions):
458 """Generate grub1 configuration for use via menu.lst
460 @grml_flavour: name of grml flavour the configuration should be generated for"""
462 local_datestamp = DATESTAMP
465 ## main grub1 configuration - generated by grml2usb [main config generated at: %(local_datestamp)s]
468 # color red/blue green/black
469 splashimage=(hd0,%(install_partition)s)/boot/grub/splash.xpm.gz
474 title %(grml_flavour)s - Default boot (using 1024x768 framebuffer)
475 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
476 initrd (hd0,%(install_partition)s)/boot/release/%(grml_flavour)s/initrd.gz
478 title Memory test (memtest86+)
479 kernel (hd0,%(install_partition)s)/boot/addons/memtest
481 title Grub - all in one image
482 kernel (hd0,%(install_partition)s)/boot/addons/memdisk
483 initrd (hd0,%(install_partition)s)/boot/addons/allinone.img
486 kernel (hd0,%(install_partition)s)/boot/addons/memdisk
487 initrd (hd0,%(install_partition)s)/boot/addons/balder10.imz
490 kernel (hd0,%(install_partition)s)/boot/addons/bsd4grml/ldbsd.com
492 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
493 'bootoptions': bootoptions, 'install_partition': install_partition } )
496 def generate_isolinux_splash(grml_flavour):
497 """Generate bootsplash for isolinux/syslinux
499 @grml_flavour: name of grml flavour the configuration should be generated for"""
501 # TODO: adjust last bootsplash line (the one following the "Some information and boot ...")
503 grml_name = grml_flavour
506 \ f17
\f\18/boot/syslinux/logo.16
508 Some information and boot options available via keys F2 - F10. http://grml.org/
510 """ % {'grml_name': grml_name} )
513 def generate_main_syslinux_config(*args):
514 """Generate main configuration for use in syslinux.cfg
516 @*args: just for backward compatibility"""
518 local_datestamp = DATESTAMP
522 menu label Default boot modes:
531 menu label Additional boot entries for:
533 include additional.cfg
540 def generate_flavour_specific_syslinux_config(grml_flavour):
541 """Generate flavour specific configuration for use in syslinux.cfg
543 @grml_flavour: name of grml flavour the configuration should be generated for"""
547 menu begin grml %(grml_flavour)s
548 menu title %(grml_flavour)s
550 menu label ^Back to main menu...
553 # include config for boot parameters from disk
554 include %(grml_flavour)s-grml.cfg
557 """ % {'grml_flavour': grml_flavour } )
560 def install_grub(device):
561 """Install grub on specified device.
563 @mntpoint: mountpoint of device where grub should install its files to
564 @device: partition where grub should be installed to"""
567 logging.info("Would execute grub-install [--root-directory=mount_point] %s now.", device)
569 device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
570 register_tmpfile(device_mountpoint)
573 mount(device, device_mountpoint, "")
575 # If using --grub-mbr then make sure we install grub in MBR instead of PBR
576 # Thanks to grub2. NOT.
578 logging.debug("Using option --grub-mbr ...")
579 if device[-1:].isdigit():
580 grub_device = re.match(r'(.*?)\d*$', device).group(1)
586 logging.info("Installing grub as bootloader")
587 logging.debug("grub-install --recheck --no-floppy --root-directory=%s %s",
588 device_mountpoint, grub_device)
589 proc = subprocess.Popen(["grub-install", "--recheck", "--no-floppy",
590 "--root-directory=%s" % device_mountpoint, grub_device], stdout=file(os.devnull, "r+"))
592 if proc.returncode != 0:
593 # raise Exception("error executing grub-install")
594 logging.critical("Fatal: error executing grub-install (please check the grml2usb FAQ or drop the --grub option)")
595 logging.critical("Note: if using grub2 consider using the --grub-mbr option because grub2's PBR feature is broken.")
598 except CriticalException, error:
599 logging.critical("Fatal: %s", error)
604 unmount(device_mountpoint, "")
605 os.rmdir(device_mountpoint)
606 unregister_tmpfile(device_mountpoint)
609 def install_syslinux(device):
610 """Install syslinux on specified device.
612 @device: partition where syslinux should be installed to"""
615 logging.info("Would install syslinux as bootloader on %s", device)
618 # syslinux -d boot/isolinux /dev/sdb1
619 logging.info("Installing syslinux as bootloader")
620 logging.debug("syslinux -d boot/syslinux %s", device)
621 proc = subprocess.Popen(["syslinux", "-d", "boot/syslinux", device])
623 if proc.returncode != 0:
624 raise CriticalException("Error executing syslinux (either try --fat16 or use grub?)")
627 def install_bootloader(device):
628 """Install bootloader on specified device.
630 @device: partition where bootloader should be installed to"""
632 # by default we use grub, so install syslinux only on request
634 logging.info("Note: the --syslinux option is deprecated as syslinux is grml2usb's default. Continuing anyway.")
637 if not which("grub-install"):
638 logging.critical("Fatal: grub-install not available (please install the grub package or use the --syslinux option)")
644 except CriticalException, error:
645 logging.critical("Fatal: %s", error)
650 install_syslinux(device)
651 except CriticalException, error:
652 logging.critical("Fatal: %s", error)
657 def execute_lilo(lilo, device):
658 """execute lilo for activating the partitions in the MBR
660 @lilo: path of lilo executable
661 @device: device where lilo should be executed on"""
663 # to support -A for extended partitions:
664 logging.info("Activating partitions in MBR via lilo")
665 logging.debug("%s -S /dev/null -M %s ext", lilo, device)
666 proc = subprocess.Popen([lilo, "-S", "/dev/null", "-M", device, "ext"])
668 if proc.returncode != 0:
669 raise Exception("error executing lilo")
671 # activate partition:
672 logging.debug("%s -S /dev/null -A %s 1", lilo, device)
673 proc = subprocess.Popen([lilo, "-S", "/dev/null", "-A", device, "1"])
675 if proc.returncode != 0:
676 raise Exception("error executing lilo")
679 def install_syslinux_mbr(device):
680 """install syslinux's master boot record (MBR) on the specified device
682 @device: device where MBR of syslinux should be installed to"""
684 # make sure we have syslinux available
685 if not which("syslinux") and not options.copyonly:
686 raise Exception("syslinux not available (either install it or consider using the --grub option)")
688 # lilo's mbr is broken, use the one from syslinux instead:
689 if not os.path.isfile("/usr/lib/syslinux/mbr.bin"):
690 raise Exception("/usr/lib/syslinux/mbr.bin can not be read")
692 logging.info("Installing syslinux MBR")
693 logging.debug("cat /usr/lib/syslinux/mbr.bin > %s", device)
695 # TODO -> use Popen instead?
696 retcode = subprocess.call("cat /usr/lib/syslinux/mbr.bin > "+ device, shell=True)
698 logging.critical("Error copying MBR to device (%s)", retcode)
699 except OSError, error:
700 logging.critical("Execution failed: %s", error)
703 def install_mir_mbr(mbrtemplate, device, partition, ismirbsdmbr=True):
704 """install 'mbr' master boot record (MBR) on a device
706 Retrieve the partition table from "device", install an MBR from the
707 "mbrtemplate" file, set the "partition" (0..3) active, and install the
708 result back to "device".
710 @mbrtemplate: default MBR file
712 @device: name of a file assumed to be a hard disc (or USB stick) image, or
713 something like "/dev/sdb"
715 @partition: must be a number between 0 and 3, inclusive
717 @mbrtemplate: must be a valid MBR file of at least 440 (or 439 if
720 @ismirbsdmbr: if true then ignore the active flag, set the mirbsdmbr
721 specific flag to 0/1/2/3 and set the MBR's default value accordingly. If
722 false then leave the mirbsdmbr specific flag set to FFh, set all
723 active flags to 0 and set the active flag of the partition to 80h. Note:
724 behaviour of mirbsdmbr: if flag = 0/1/2/3 then use it, otherwise search for
727 logging.info("Installing default MBR")
729 if not os.path.isfile(mbrtemplate):
730 logging.critical("Error: %s can not be read.", mbrtemplate)
731 raise CriticalException("Error installing MBR (either try --syslinux-mbr or install missing file?)")
733 if (partition < 0) or (partition > 3):
734 raise ValueError("partition must be between 0 and 3")
741 tmpf = tempfile.NamedTemporaryFile()
743 logging.debug("executing: dd if='%s' of='%s' bs=512 count=1", device, tmpf.name)
744 proc = subprocess.Popen(["dd", "if=%s" % device, "of=%s" % tmpf.name, "bs=512", "count=1"], stderr=file(os.devnull, "r+"))
746 if proc.returncode != 0:
747 raise Exception("error executing dd (first run)")
749 logging.debug("executing: dd if=%s of=%s bs=%s count=1 conv=notrunc", mbrtemplate,
750 tmpf.name, nmbrbytes)
751 proc = subprocess.Popen(["dd", "if=%s" % mbrtemplate, "of=%s" % tmpf.name, "bs=%s" % nmbrbytes,
752 "count=1", "conv=notrunc"], stderr=file(os.devnull, "r+"))
754 if proc.returncode != 0:
755 raise Exception("error executing dd (second run)")
757 mbrcode = tmpf.file.read(512)
758 if len(mbrcode) < 512:
759 raise EOFError("MBR size (%d) < 512" % len(mbrcode))
762 mbrcode = mbrcode[0:439] + chr(partition) + \
763 mbrcode[440:510] + "\x55\xAA"
765 actives = ["\x00", "\x00", "\x00", "\x00"]
766 actives[partition] = "\x80"
767 mbrcode = mbrcode[0:446] + actives[0] + \
768 mbrcode[447:462] + actives[1] + \
769 mbrcode[463:478] + actives[2] + \
770 mbrcode[479:494] + actives[3] + \
771 mbrcode[495:510] + "\x55\xAA"
775 tmpf.file.write(mbrcode)
778 logging.debug("executing: dd if='%s' of='%s' bs=512 count=1 conv=notrunc", tmpf.name, device)
779 proc = subprocess.Popen(["dd", "if=%s" % tmpf.name, "of=%s" % device, "bs=512", "count=1",
780 "conv=notrunc"], stderr=file(os.devnull, "r+"))
782 if proc.returncode != 0:
783 raise Exception("error executing dd (third run)")
787 def handle_syslinux_mbr(device):
788 """Install syslinux master boot record on given device
790 @device: device where MBR should be installed to"""
792 if not is_writeable(device):
793 raise IOError("device not writeable for user")
795 # try to use system's lilo
799 # otherwise fall back to our static version
800 from platform import architecture
801 if architecture()[0] == '64bit':
802 lilo = GRML2USB_BASE + '/lilo/lilo.static.amd64'
804 lilo = GRML2USB_BASE + '/lilo/lilo.static.i386'
805 # finally prefer a specified lilo executable
807 lilo = options.lilobin
810 raise Exception("lilo executable can not be execute")
813 logging.info("Would install MBR running lilo and using syslinux.")
816 execute_lilo(lilo, device)
817 install_syslinux_mbr(device)
820 def is_writeable(device):
821 """Check if the device is writeable for the current user
823 @device: partition where bootloader should be installed to"""
827 #raise Exception("no device for checking write permissions")
829 if not os.path.exists(device):
832 return os.access(device, os.W_OK) and os.access(device, os.R_OK)
835 def mount(source, target, mount_options):
836 """Mount specified source on given target
838 @source: name of device/ISO that should be mounted
839 @target: directory where the ISO should be mounted to
840 @options: mount specific options"""
842 # note: options.dryrun does not work here, as we have to
843 # locate files and identify the grml flavour
845 for x in file('/proc/mounts').readlines():
846 if x.startswith(source):
847 raise CriticalException("Error executing mount: %s already mounted - please unmount before invoking grml2usb" % source)
849 if os.path.isdir(source):
850 logging.debug("Source %s is not a device, therefore not mounting.", source)
853 logging.debug("mount %s %s %s", mount_options, source, target)
854 proc = subprocess.Popen(["mount"] + list(mount_options) + [source, target])
856 if proc.returncode != 0:
857 raise CriticalException("Error executing mount (no filesystem on the partition?)")
859 logging.debug("register_mountpoint(%s)", target)
860 register_mountpoint(target)
863 def unmount(target, unmount_options):
864 """Unmount specified target
866 @target: target where something is mounted on and which should be unmounted
867 @options: options for umount command"""
869 # make sure we unmount only already mounted targets
870 target_unmount = False
871 mounts = open('/proc/mounts').readlines()
872 mountstring = re.compile(".*%s.*" % re.escape(os.path.realpath(target)))
874 if re.match(mountstring, line):
875 target_unmount = True
877 if not target_unmount:
878 logging.debug("%s not mounted anymore", target)
880 logging.debug("umount %s %s", list(unmount_options), target)
881 proc = subprocess.Popen(["umount"] + list(unmount_options) + [target])
883 if proc.returncode != 0:
884 raise Exception("Error executing umount")
886 logging.debug("unregister_mountpoint(%s)", target)
887 unregister_mountpoint(target)
890 def check_for_usbdevice(device):
891 """Check whether the specified device is a removable USB device
893 @device: device name, like /dev/sda1 or /dev/sda
896 usbdevice = re.match(r'/dev/(.*?)\d*$', device).group(1)
898 usbdev = os.path.realpath('/sys/class/block/' + usbdevice + '/removable')
899 if not os.path.isfile(usbdev):
900 # Ubuntu with kernel 2.6.24 for example:
901 usbdev = os.path.realpath('/sys/block/' + usbdevice + '/removable')
903 if os.path.isfile(usbdev):
904 is_usb = open(usbdev).readline()
911 def check_for_fat(partition):
912 """Check whether specified partition is a valid VFAT/FAT16 filesystem
914 @partition: device name of partition"""
917 udev_info = subprocess.Popen(["/sbin/blkid", "-s", "TYPE", "-o", "value", partition],
918 stdout=subprocess.PIPE, stderr=subprocess.PIPE)
919 filesystem = udev_info.communicate()[0].rstrip()
921 if udev_info.returncode == 2:
922 raise CriticalException("Failed to read device %s"
923 " (wrong UID/permissions or device/directory not present?)" % partition)
925 if options.syslinux and filesystem != "vfat":
926 raise CriticalException("Partition %s does not contain a FAT16 filesystem. (Use --fat16 or run mkfs.vfat %s)" % (partition, partition))
929 raise CriticalException("Sorry, /sbin/blkid not available (install e2fsprogs?)")
932 def mkdir(directory):
933 """Simple wrapper around os.makedirs to get shell mkdir -p behaviour"""
935 # just silently pass as it's just fine it the directory exists
936 if not os.path.isdir(directory):
938 os.makedirs(directory)
939 # pylint: disable-msg=W0704
944 def exec_rsync(source, target):
945 """Simple wrapper around rsync to install files
947 @source: source file/directory
948 @target: target file/directory"""
949 logging.debug("Source: %s / Target: %s", source, target)
950 proc = subprocess.Popen(["rsync", "-rlptDH", "--inplace", source, target])
952 if proc.returncode == 12:
953 logging.critical("Fatal: No space left on device")
957 if proc.returncode != 0:
958 logging.critical("Fatal: could not install %s", source)
963 def copy_system_files(grml_flavour, iso_mount, target):
964 """copy grml's main files (like squashfs, kernel and initrd) to a given target
966 @grml_flavour: name of grml flavour the configuration should be generated for
967 @iso_mount: path where a grml ISO is mounted on
968 @target: path where grml's main files should be copied to"""
970 squashfs = search_file(grml_flavour + '.squashfs', iso_mount)
972 logging.critical("Fatal: squashfs file not found")
973 raise CriticalException("error locating squashfs file")
975 squashfs_target = target + '/live/' + grml_flavour + '/'
976 execute(mkdir, squashfs_target)
977 exec_rsync(squashfs, squashfs_target + grml_flavour + '.squashfs')
979 filesystem_module = search_file('filesystem.module', iso_mount)
980 if filesystem_module is None:
981 logging.critical("Fatal: filesystem.module not found")
982 raise CriticalException("error locating filesystem.module file")
984 exec_rsync(filesystem_module, squashfs_target + 'filesystem.module')
986 release_target = target + '/boot/release/' + grml_flavour
987 execute(mkdir, release_target)
989 kernel = search_file('linux26', iso_mount)
991 logging.critical("Fatal kernel not found")
992 raise CriticalException("error locating kernel file")
994 exec_rsync(kernel, release_target + '/linux26')
996 initrd = search_file('initrd.gz', iso_mount)
998 logging.critical("Fatal: initrd not found")
999 raise CriticalException("error locating initrd file")
1001 exec_rsync(initrd, release_target + '/initrd.gz')
1004 def copy_grml_files(iso_mount, target):
1005 """copy some minor grml files to a given target
1007 @iso_mount: path where a grml ISO is mounted on
1008 @target: path where grml's main files should be copied to"""
1010 grml_target = target + '/grml/'
1011 execute(mkdir, grml_target)
1013 for myfile in 'grml-cheatcodes.txt', 'grml-version', 'LICENSE.txt', 'md5sums', 'README.txt':
1014 grml_file = search_file(myfile, iso_mount)
1015 if grml_file is None:
1016 logging.warn("Warning: myfile %s could not be found - can not install it", myfile)
1018 exec_rsync(grml_file, grml_target + myfile)
1020 grml_web_target = grml_target + '/web/'
1021 execute(mkdir, grml_web_target)
1023 for myfile in 'index.html', 'style.css':
1024 grml_file = search_file(myfile, iso_mount)
1025 if grml_file is None:
1026 logging.warn("Warning: myfile %s could not be found - can not install it")
1028 exec_rsync(grml_file, grml_web_target + myfile)
1030 grml_webimg_target = grml_web_target + '/images/'
1031 execute(mkdir, grml_webimg_target)
1033 for myfile in 'button.png', 'favicon.png', 'linux.jpg', 'logo.png':
1034 grml_file = search_file(myfile, iso_mount)
1035 if grml_file is None:
1036 logging.warn("Warning: myfile %s could not be found - can not install it")
1038 exec_rsync(grml_file, grml_webimg_target + myfile)
1041 def copy_addons(iso_mount, target):
1042 """copy grml's addons files (like allinoneimg, bsd4grml,..) to a given target
1044 @iso_mount: path where a grml ISO is mounted on
1045 @target: path where grml's main files should be copied to"""
1047 addons = target + '/boot/addons/'
1048 execute(mkdir, addons)
1050 # grub all-in-one image
1051 allinoneimg = search_file('allinone.img', iso_mount)
1052 if allinoneimg is None:
1053 logging.warn("Warning: allinone.img not found (that's fine if you don't need it)")
1055 exec_rsync(allinoneimg, addons + 'allinone.img')
1058 bsdimg = search_file('bsd4grml', iso_mount)
1060 logging.warn("Warning: bsd4grml not found (that's fine if you don't need it)")
1062 exec_rsync(bsdimg, addons + '/')
1065 balderimg = search_file('balder10.imz', iso_mount)
1066 if balderimg is None:
1067 logging.warn("Warning: balder10.imz not found (that's fine if you don't need it)")
1069 exec_rsync(balderimg, addons + 'balder10.imz')
1071 # install hdt and pci.ids only when using syslinux (grub doesn't support it)
1072 if options.syslinux:
1073 # hdt (hardware detection tool) image
1074 hdtimg = search_file('hdt.c32', iso_mount)
1076 exec_rsync(hdtimg, addons + '/hdt.c32')
1079 picids = search_file('pci.ids', iso_mount)
1081 exec_rsync(picids, addons + '/pci.ids')
1084 memdiskimg = search_file('memdisk', iso_mount)
1085 if memdiskimg is None:
1086 logging.warn("Warning: memdisk not found (that's fine if you don't need it)")
1088 exec_rsync(memdiskimg, addons + 'memdisk')
1091 memtestimg = search_file('memtest', iso_mount)
1092 if memtestimg is None:
1093 logging.warn("Warning: memtest not found (that's fine if you don't need it)")
1095 exec_rsync(memtestimg, addons + 'memtest')
1098 def copy_bootloader_files(iso_mount, target):
1099 """copy grml's bootloader files to a given target
1101 @iso_mount: path where a grml ISO is mounted on
1102 @target: path where grml's main files should be copied to"""
1104 syslinux_target = target + '/boot/syslinux/'
1105 execute(mkdir, syslinux_target)
1107 logo = search_file('logo.16', iso_mount)
1108 exec_rsync(logo, syslinux_target + 'logo.16')
1110 for ffile in 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'f10':
1111 bootsplash = search_file(ffile, iso_mount)
1112 exec_rsync(bootsplash, syslinux_target + ffile)
1114 # avoid the "file is read only, overwrite anyway (y/n) ?" question
1115 # of mtools by syslinux ("mmove -D o -D O s:/ldlinux.sys $target_file")
1116 if os.path.isfile(syslinux_target + 'ldlinux.sys'):
1117 os.unlink(syslinux_target + 'ldlinux.sys')
1119 if not search_file('default.cfg', iso_mount + '/boot/isolinux/'):
1120 logging.critical("Fatal: file default.cfg could not be found.")
1121 logging.critical("Note: this grml2usb version requires an ISO generated by grml-live >=0.9.24 ...")
1122 logging.critical(" ... either use grml releases >=2009.10 or switch to an older grml2usb version.")
1125 for filename in 'addons.cfg', 'default.cfg', 'distri.cfg', 'hidden.cfg', \
1126 'grml.cfg', 'grml.png', 'hd.cfg', 'isoprompt.cfg', 'options.cfg', \
1127 'vesamenu.c32', 'vesamenu.cfg', 'grml.png':
1128 path = search_file(filename, iso_mount + '/boot/isolinux/')
1129 exec_rsync(path, syslinux_target + filename)
1131 grub_target = target + '/boot/grub/'
1132 execute(mkdir, grub_target)
1134 if not os.path.isfile(GRML2USB_BASE + "/grub/splash.xpm.gz"):
1135 logging.critical("Error: %s/grub/splash.xpm.gz can not be read.", GRML2USB_BASE)
1136 logging.critical("Please make sure you've installed the grml2usb (Debian) package!")
1139 exec_rsync(GRML2USB_BASE + '/grub/splash.xpm.gz', grub_target + 'splash.xpm.gz')
1141 # grml splash in grub
1142 if os.path.isfile(GRML2USB_BASE + "/grub/grml.png"):
1143 exec_rsync(GRML2USB_BASE + '/grub/grml.png', grub_target + 'grml.png')
1145 # font file for graphical bootsplash in grub
1146 if os.path.isfile("/usr/share/grub/ascii.pf2"):
1147 exec_rsync('/usr/share/grub/ascii.pf2', grub_target + 'ascii.pf2')
1150 def install_iso_files(grml_flavour, iso_mount, device, target):
1151 """Copy files from ISO to given target
1153 @grml_flavour: name of grml flavour the configuration should be generated for
1154 @iso_mount: path where a grml ISO is mounted on
1155 @device: device/partition where bootloader should be installed to
1156 @target: path where grml's main files should be copied to"""
1158 # TODO => several improvements:
1159 # * make sure grml_flavour, iso_mount, target are set when the function is called, otherwise raise exception
1160 # * provide alternative search_file() if file information is stored in a config.ini file?
1161 # * catch "install: .. No space left on device" & CO
1165 elif not options.bootloaderonly:
1166 logging.info("Copying files. This might take a while....")
1168 copy_system_files(grml_flavour, iso_mount, target)
1169 copy_grml_files(iso_mount, target)
1170 except CriticalException, error:
1171 logging.critical("Execution failed: %s", error)
1174 if not options.skipaddons:
1175 if grml_flavour.endswith('-small'):
1176 logging.info("Note: grml-small doesn't provide any addons, not installing them therefore.")
1178 copy_addons(iso_mount, target)
1180 if not options.copyonly:
1181 copy_bootloader_files(iso_mount, target)
1183 if not options.dryrun:
1184 handle_bootloader_config(grml_flavour, device, target)
1186 # make sure we sync filesystems before returning
1187 proc = subprocess.Popen(["sync"])
1191 def uninstall_files(device):
1192 """Get rid of all grml files on specified device
1194 @device: partition where grml2usb files should be removed from"""
1196 # TODO - not implemented yet
1197 logging.critical("TODO: uninstalling files from %s not yet implement, sorry.", device)
1200 def identify_grml_flavour(mountpath):
1201 """Get name of grml flavour
1203 @mountpath: path where the grml ISO is mounted to
1204 @return: name of grml-flavour"""
1206 version_file = search_file('grml-version', mountpath)
1208 if version_file == "":
1209 logging.critical("Error: could not find grml-version file.")
1213 tmpfile = open(version_file, 'r')
1214 grml_info = tmpfile.readline()
1215 grml_flavour = re.match(r'[\w-]*', grml_info).group()
1218 except Exception, e:
1219 logging.critical("Unexpected error: %s", e)
1225 def handle_grub1_config(grml_flavour, install_partition, grub_target, bootopt):
1226 """Main handler for generating grub1 configuration
1228 @grml_flavour: name of grml flavour the configuration should be generated for
1229 @install_partition: partition number for use in (hd0,X)
1230 @grub_target: path of grub's configuration files
1231 @bootoptions: additional bootoptions that should be used by default"""
1234 grub1_cfg = grub_target + 'menu.lst'
1235 logging.debug("Creating grub1 configuration file (menu.lst)")
1237 # install main configuration only *once*, no matter how many ISOs we have:
1238 if os.path.isfile(grub1_cfg):
1239 string = open(grub1_cfg).readline()
1240 main_identifier = re.compile(".*main config generated at: %s.*" % re.escape(str(DATESTAMP)))
1241 if not re.match(main_identifier, string):
1242 grub1_config_file = open(grub1_cfg, 'w')
1243 grub1_config_file.write(generate_main_grub1_config(grml_flavour, install_partition, bootopt))
1244 grub1_config_file.close()
1246 grub1_config_file = open(grub1_cfg, 'w')
1247 grub1_config_file.write(generate_main_grub1_config(grml_flavour, install_partition, bootopt))
1248 grub1_config_file.close()
1250 grub_flavour_config = True
1251 if os.path.isfile(grub1_cfg):
1252 string = open(grub1_cfg).readlines()
1253 flavour = re.compile("grml2usb for %s: %s" % (re.escape(grml_flavour), re.escape(str(DATESTAMP))))
1255 if flavour.match(line):
1256 grub_flavour_config = False
1258 if grub_flavour_config:
1259 grub1_config_file = open(grub1_cfg, 'a')
1260 grub1_config_file.write(generate_flavour_specific_grub1_config(grml_flavour, install_partition, bootopt))
1261 grub1_config_file.close()
1263 # make sure grub.conf isn't a symlink but a plain file instead,
1264 # otherwise it will break on FAT16 filesystems
1265 # this works around grub-install of (at least) Fedora 10
1266 if os.path.isfile(grub1_cfg):
1267 grubconf = grub_target + 'grub.conf'
1268 if not os.path.islink(grubconf):
1270 shutil.copyfile(grub1_cfg, grub_target + 'grub.conf')
1272 def handle_grub2_config(grml_flavour, grub_target, bootopt):
1273 """Main handler for generating grub2 configuration
1275 @grml_flavour: name of grml flavour the configuration should be generated for
1276 @grub_target: path of grub's configuration files
1277 @bootoptions: additional bootoptions that should be used by default"""
1280 grub2_cfg = grub_target + 'grub.cfg'
1281 logging.debug("Creating grub2 configuration file (grub.lst)")
1285 # install main configuration only *once*, no matter how many ISOs we have:
1286 grub_flavour_is_default = False
1287 if os.path.isfile(grub2_cfg):
1288 string = open(grub2_cfg).readline()
1289 main_identifier = re.compile(".*main config generated at: %s.*" % re.escape(str(DATESTAMP)))
1290 if not re.match(main_identifier, string):
1291 grub2_config_file = open(grub2_cfg, 'w')
1292 GRML_DEFAULT = grml_flavour
1293 grub_flavour_is_default = True
1294 grub2_config_file.write(generate_main_grub2_config(grml_flavour, bootopt))
1295 grub2_config_file.close()
1297 grub2_config_file = open(grub2_cfg, 'w')
1298 GRML_DEFAULT = grml_flavour
1299 grub_flavour_is_default = True
1300 grub2_config_file.write(generate_main_grub2_config(grml_flavour, bootopt))
1301 grub2_config_file.close()
1303 # install flavour specific configuration only *once* as well
1304 grub_flavour_config = True
1305 if os.path.isfile(grub2_cfg):
1306 string = open(grub2_cfg).readlines()
1307 flavour = re.compile("grml2usb for %s: %s" % (re.escape(grml_flavour), re.escape(str(DATESTAMP))))
1309 if flavour.match(line):
1310 grub_flavour_config = False
1312 if grub_flavour_config:
1313 grub2_config_file = open(grub2_cfg, 'a')
1314 # display only if the grml flavour isn't the default
1315 if not grub_flavour_is_default:
1316 GRML_FLAVOURS.add(grml_flavour)
1317 grub2_config_file.write(generate_flavour_specific_grub2_config(grml_flavour, bootopt))
1318 grub2_config_file.close()
1321 def handle_grub_config(grml_flavour, device, target):
1322 """Main handler for generating grub (v1 and v2) configuration
1324 @grml_flavour: name of grml flavour the configuration should be generated for
1325 @device: device/partition where grub should be installed to
1326 @target: path of grub's configuration files"""
1328 logging.debug("Generating grub configuration")
1330 grub_target = target + '/boot/grub/'
1331 execute(mkdir, grub_target)
1333 if os.path.isdir(device):
1334 install_grub1_partition = None
1336 if device[-1:].isdigit():
1337 install_grub1_partition = int(device[-1:]) - 1
1339 raise CriticalException("error validating partition schema (raw device?)")
1341 # do NOT write "None" in kernel cmdline
1342 if options.bootoptions is None:
1345 bootopt = options.bootoptions
1348 handle_grub1_config(grml_flavour, install_grub1_partition, grub_target, bootopt)
1350 handle_grub2_config(grml_flavour, grub_target, bootopt)
1353 def initial_syslinux_config(target):
1354 """Generates intial syslinux configuration
1356 @target path of syslinux's configuration files"""
1358 target = target + "/"
1359 filename = target + "grmlmain.cfg"
1360 if os.path.isfile(target + "grmlmain.cfg"):
1362 data = open(filename, "w")
1363 data.write(generate_main_syslinux_config())
1367 def adjust_syslinux_bootoptions(src, flavour):
1368 append_re = re.compile("^(\s*append.*)$", re.I)
1369 boot_re = re.compile("/boot/([a-zA-Z0-9_]+/)+([a-zA-Z0-9._]+)")
1370 flavour_re = re.compile("(label.*)(grml\w+)")
1371 default_re = re.compile("(default.cfg)")
1373 # do NOT write "None" in kernel cmdline
1374 if options.bootoptions is None:
1377 bootopt = options.bootoptions
1379 for line in fileinput.input(src, inplace=1):
1380 line = boot_re.sub(r'/boot/release/%s/\2 ' % flavour, line)
1381 line = flavour_re.sub(r'\1 %s-\2' % flavour, line)
1382 line = default_re.sub(r'%s-\1' % flavour, line)
1383 line = append_re.sub(r'\1 live-media-path=/live/%s/ ' % flavour, line)
1384 line = append_re.sub(r'\1 boot=live %s ' % bootopt, line)
1389 def add_syslinux_entry(filename, grml_flavour):
1390 data = open(filename, "a+")
1391 entry_filename = "option-%s.cfg" % grml_flavour
1392 entry = "include %s\n" % entry_filename
1393 path = os.path.dirname(filename)
1401 data = open(path + "/" + entry_filename, "w")
1402 data.write(generate_flavour_specific_syslinux_config(grml_flavour))
1406 def handle_syslinux_config(grml_flavour, target):
1407 """Main handler for generating syslinux configuration
1409 @grml_flavour: name of grml flavour the configuration should be generated for
1410 @target: path of syslinux's configuration files"""
1412 # do NOT write "None" in kernel cmdline
1413 if options.bootoptions is None:
1416 bootopt = options.bootoptions
1418 logging.debug("Generating syslinux configuration")
1419 syslinux_target = target + '/boot/syslinux/'
1420 # should be present via copy_bootloader_files(), but make sure it exits:
1421 execute(mkdir, syslinux_target)
1422 syslinux_cfg = syslinux_target + 'syslinux.cfg'
1426 # install main configuration only *once*, no matter how many ISOs we have:
1427 syslinux_flavour_is_default = False
1428 syslinux_config_file = open(syslinux_cfg, 'w')
1429 syslinux_config_file.write("include vesamenu.cfg")
1430 syslinux_config_file.close()
1432 initial_syslinux_config(syslinux_target)
1433 for filename in 'grml.cfg', 'default.cfg', 'hidden.cfg':
1434 old_filename = "%s/%s" % (syslinux_target, filename)
1435 new_filename = "%s/%s-%s" % (syslinux_target, grml_flavour, filename)
1436 os.rename(old_filename, new_filename)
1437 adjust_syslinux_bootoptions(new_filename, grml_flavour)
1439 new_hidden = "%s-hidden.cfg" % (grml_flavour)
1440 new_default = "%s-default.cfg" % (grml_flavour)
1441 default_file = open("%s/defaults.cfg" % syslinux_target, "a+")
1442 entry = "include %s\n" % new_default
1443 for line in default_file:
1447 default_file.write("include %s\n" % new_default)
1449 default_file.close()
1450 add_syslinux_entry("%s/additional.cfg" % syslinux_target, grml_flavour)
1453 def handle_bootloader_config(grml_flavour, device, target):
1454 """Main handler for generating bootloader's configuration
1456 @grml_flavour: name of grml flavour the configuration should be generated for
1457 @device: device/partition where bootloader should be installed to
1458 @target: path of bootloader's configuration files"""
1460 if options.skipsyslinuxconfig:
1461 logging.info("Skipping generation of syslinux configuration as requested.")
1464 handle_syslinux_config(grml_flavour, target)
1465 except CriticalException, error:
1466 logging.critical("Fatal: %s", error)
1469 if options.skipgrubconfig:
1470 logging.info("Skipping generation of grub configuration as requested.")
1473 handle_grub_config(grml_flavour, device, target)
1474 except CriticalException, error:
1475 logging.critical("Fatal: %s", error)
1479 def handle_dir(live_image, device):
1480 """Main logic for copying files of the currently running grml system.
1482 @live_image: directory where currently running live system resides (usually /live/image)
1483 @device: partition where the specified ISO should be installed to"""
1485 logging.info("Using %s as install base", live_image)
1487 if os.path.isdir(device):
1488 logging.info("Specified target is a directory, therefore not mounting.")
1489 device_mountpoint = device
1490 remove_device_mountpoint = False
1492 device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
1493 register_tmpfile(device_mountpoint)
1494 remove_device_mountpoint = True
1496 mount(device, device_mountpoint, "")
1497 except CriticalException, error:
1498 logging.critical("Fatal: %s", error)
1504 grml_flavour = identify_grml_flavour(live_image)
1505 logging.info("Identified grml flavour \"%s\".", grml_flavour)
1506 install_iso_files(grml_flavour, live_image, device, device_mountpoint)
1508 logging.critical("Fatal: a critical error happend during execution (not a grml ISO?), giving up")
1511 if remove_device_mountpoint:
1513 unmount(device_mountpoint, "")
1514 if os.path.isdir(device_mountpoint):
1515 os.rmdir(device_mountpoint)
1516 unregister_tmpfile(device_mountpoint)
1517 except CriticalException, error:
1518 logging.critical("Fatal: %s", error)
1522 def handle_iso(iso, device):
1523 """Main logic for mounting ISOs and copying files.
1525 @iso: full path to the ISO that should be installed to the specified device
1526 @device: partition where the specified ISO should be installed to"""
1528 logging.info("Using ISO %s", iso)
1530 iso_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
1531 register_tmpfile(iso_mountpoint)
1532 remove_iso_mountpoint = True
1534 if not os.path.isfile(iso):
1535 logging.critical("Fatal: specified ISO %s could not be read", iso)
1540 mount(iso, iso_mountpoint, ["-o", "loop", "-t", "iso9660"])
1541 except CriticalException, error:
1542 logging.critical("Fatal: %s", error)
1545 if os.path.isdir(device):
1546 logging.info("Specified target is a directory, therefore not mounting.")
1547 device_mountpoint = device
1548 remove_device_mountpoint = False
1551 device_mountpoint = tempfile.mkdtemp(prefix="grml2usb")
1552 register_tmpfile(device_mountpoint)
1553 remove_device_mountpoint = True
1555 mount(device, device_mountpoint, "")
1556 except CriticalException, error:
1557 logging.critical("Fatal: %s", error)
1563 grml_flavour = identify_grml_flavour(iso_mountpoint)
1564 logging.info("Identified grml flavour \"%s\".", grml_flavour)
1565 install_iso_files(grml_flavour, iso_mountpoint, device, device_mountpoint)
1567 logging.critical("Fatal: a critical error happend during execution (not a grml ISO?), giving up")
1570 if os.path.isdir(iso_mountpoint) and remove_iso_mountpoint:
1571 unmount(iso_mountpoint, "")
1572 os.rmdir(iso_mountpoint)
1573 unregister_tmpfile(iso_mountpoint)
1574 if remove_device_mountpoint:
1576 unmount(device_mountpoint, "")
1577 if os.path.isdir(device_mountpoint):
1578 os.rmdir(device_mountpoint)
1579 unregister_tmpfile(device_mountpoint)
1580 except CriticalException, error:
1581 logging.critical("Fatal: %s", error)
1585 def handle_mbr(device):
1586 """Main handler for installing master boot record (MBR)
1588 @device: device where the MBR should be installed to"""
1591 logging.info("Would install MBR")
1594 if device[-1:].isdigit():
1595 mbr_device = re.match(r'(.*?)\d*$', device).group(1)
1596 partition_number = int(device[-1:]) - 1
1597 skip_install_mir_mbr = False
1599 # if we get e.g. /dev/loop1 as device we don't want to put the MBR
1600 # into /dev/loop of course, therefore use /dev/loop1 as mbr_device
1601 if mbr_device == "/dev/loop":
1603 logging.info("Detected loop device - using %s as MBR device therefore", mbr_device)
1604 skip_install_mir_mbr = True
1607 if options.syslinuxmbr:
1608 handle_syslinux_mbr(mbr_device)
1609 elif not skip_install_mir_mbr:
1611 install_mir_mbr(GRML2USB_BASE + '/mbr/mbrmgr', mbr_device, partition_number, True)
1613 install_mir_mbr(GRML2USB_BASE + '/mbr/mbrldr', mbr_device, partition_number, False)
1614 except IOError, error:
1615 logging.critical("Execution failed: %s", error)
1617 except Exception, error:
1618 logging.critical("Execution failed: %s", error)
1622 def handle_vfat(device):
1623 """Check for FAT specific settings and options
1625 @device: device that should checked / formated"""
1627 # make sure we have mkfs.vfat available
1629 if not which("mkfs.vfat") and not options.copyonly and not options.dryrun:
1630 logging.critical('Sorry, mkfs.vfat not available. Exiting.')
1631 logging.critical('Please make sure to install dosfstools.')
1636 print "Forcing mkfs.fat16 on %s as requested via option --force." % device
1639 # make sure the user is aware of what he is doing
1640 f = raw_input("Are you sure you want to format the specified partition with fat16? y/N ")
1641 if f == "y" or f == "Y":
1642 logging.info("Note: you can skip this question using the option --force")
1648 except CriticalException, error:
1649 logging.critical("Execution failed: %s", error)
1654 # check for vfat filesystem
1655 if device is not None and not os.path.isdir(device):
1657 check_for_fat(device)
1658 except CriticalException, error:
1659 logging.critical("Execution failed: %s", error)
1662 if not os.path.isdir(device) and not check_for_usbdevice(device):
1663 print "Warning: the specified device %s does not look like a removable usb device." % device
1664 f = raw_input("Do you really want to continue? y/N ")
1665 if f == "y" or f == "Y":
1671 def handle_compat_warning(device):
1672 """Backwards compatible checks
1674 @device: device that should be checked"""
1676 # make sure we can replace old grml2usb script and warn user when using old way of life:
1677 if device.startswith("/mnt/external") or device.startswith("/mnt/usb") and not options.force:
1678 print "Warning: the semantics of grml2usb has changed."
1679 print "Instead of using grml2usb /path/to/iso %s you might" % device
1680 print "want to use grml2usb /path/to/iso /dev/... instead."
1681 print "Please check out the grml2usb manpage for details."
1682 f = raw_input("Do you really want to continue? y/N ")
1683 if f == "y" or f == "Y":
1689 def handle_logging():
1690 """Log handling and configuration"""
1692 if options.verbose and options.quiet:
1693 parser.error("please use either verbose (--verbose) or quiet (--quiet) option")
1696 FORMAT = "Debug: %(asctime)-15s %(message)s"
1697 logging.basicConfig(level=logging.DEBUG, format=FORMAT)
1699 FORMAT = "Critical: %(message)s"
1700 logging.basicConfig(level=logging.CRITICAL, format=FORMAT)
1702 FORMAT = "%(message)s"
1703 logging.basicConfig(level=logging.INFO, format=FORMAT)
1706 def handle_bootloader(device):
1707 """wrapper for installing bootloader
1709 @device: device where bootloader should be installed to"""
1711 # Install bootloader only if not using the --copy-only option
1712 if options.copyonly:
1713 logging.info("Not installing bootloader and its files as requested via option copyonly.")
1714 elif os.path.isdir(device):
1715 logging.info("Not installing bootloader as %s is a directory.", device)
1717 install_bootloader(device)
1721 """Main function [make pylint happy :)]"""
1724 print os.path.basename(sys.argv[0]) + " " + PROG_VERSION
1728 parser.error("invalid usage")
1733 # make sure we have the appropriate permissions
1736 logging.info("Executing grml2usb version %s", PROG_VERSION)
1739 logging.info("Running in simulation mode as requested via option dry-run.")
1741 # specified arguments
1742 device = args[len(args) - 1]
1743 isos = args[0:len(args) - 1]
1745 if not os.path.isdir(device):
1746 if device[-1:].isdigit():
1747 if int(device[-1:]) > 4 or device[-2:].isdigit():
1748 logging.critical("Fatal: installation on partition number >4 not supported. (BIOS won't support it.)")
1751 if os.path.exists(device):
1752 logging.critical("Fatal: installation on raw device not supported. (BIOS won't support it.)")
1755 if not which("rsync"):
1756 logging.critical("Fatal: rsync not available, can not continue - sorry.")
1759 # provide upgrade path
1760 handle_compat_warning(device)
1762 # check for vfat partition
1765 # main operation (like installing files)
1767 if os.path.isdir(iso):
1768 handle_dir(iso, device)
1770 handle_iso(iso, device)
1773 if not os.path.isdir(device):
1774 if not options.skipmbr:
1777 handle_bootloader(device)
1779 logging.info("Note: grml flavour %s was installed as the default booting system.", GRML_DEFAULT)
1781 for flavour in GRML_FLAVOURS:
1782 logging.info("Note: you can boot flavour %s using '%s' on the commandline.", flavour, flavour)
1784 # finally be politely :)
1785 logging.info("Finished execution of grml2usb (%s). Have fun with your grml system.", PROG_VERSION)
1787 if __name__ == "__main__":
1790 except KeyboardInterrupt:
1791 logging.info("Received KeyboardInterrupt")
1794 ## END OF FILE #################################################################
1795 # vim:foldmethod=indent expandtab ai ft=python tw=120 fileencoding=utf-8