from optparse import OptionParser
from inspect import isroutine, isclass
-import datetime, logging, os, re, subprocess, sys, tempfile, time, os.path
+import datetime
import fileinput
import glob
-import uuid
+import logging
+import os
+import os.path
+import re
import struct
+import subprocess
+import sys
+import tempfile
+import time
+import uuid
# The line following this line is patched by debian/rules and tarball.sh.
-PROG_VERSION='***UNRELEASED***'
+PROG_VERSION = '***UNRELEASED***'
# global variables
-MOUNTED = set() # register mountpoints
-TMPFILES = set() # register tmpfiles
-DATESTAMP = time.mktime(datetime.datetime.now().timetuple()) # unique identifier for syslinux.cfg
-GRML_FLAVOURS = set() # which flavours are being installed?
+MOUNTED = set() # register mountpoints
+TMPFILES = set() # register tmpfiles
+DATESTAMP = time.mktime(datetime.datetime.now().timetuple()) # unique identifier for syslinux.cfg
+GRML_FLAVOURS = set() # which flavours are being installed?
GRML_DEFAULT = None
UUID = None
SYSLINUX_LIBS = "/usr/lib/syslinux/"
+
def syslinux_warning(option, opt, value, opt_parser):
"""A helper function for printing a warning about deprecated option
"""
"is grml2usb's default. Continuing anyway.\n")
setattr(opt_parser.values, option.dest, True)
+
# if grub option is set, unset syslinux option
def grub_option(option, opt, value, opt_parser):
"""A helper function adjusting other option values
class CriticalException(Exception):
- """Throw critical exception if the exact error is not known but fatal."
+ """Throw critical exception if the exact error is not known but fatal.
@Exception: message"""
pass
"%s_%s" % (get_flavour_filename(flavour), name):
if os.path.isfile(iso_mount + directory + name):
return (directory, name)
- return ('','')
+ return ('', '')
-def search_file(filename, search_path='/bin' + os.pathsep + '/usr/bin'):
+
+def search_file(filename, search_path='/bin' + os.pathsep + '/usr/bin', lst_return=False):
"""Given a search path, find file
@filename: name of file to search for
- @search_path: path where searching for the specified filename"""
- file_found = 0
+ @search_path: path where searching for the specified filename
+ @lst_return: return list of matching files instead one file"""
paths = search_path.split(os.pathsep)
- current_dir = '' # make pylint happy :)
+ current_dir = '' # make pylint happy :)
+ retval = []
def match_file(cwd):
"""Helper function ffor testing if specified file exists in cwd
for path in paths:
current_dir = path
if match_file(current_dir):
- file_found = 1
- break
+ retval.append(os.path.abspath(os.path.join(current_dir, filename)))
+ if not lst_return:
+ break
# pylint: disable-msg=W0612
for current_dir, directories, files in os.walk(path):
if match_file(current_dir):
- file_found = 1
- break
- if file_found:
- return os.path.abspath(os.path.join(current_dir, filename))
+ retval.append(os.path.abspath(os.path.join(current_dir, filename)))
+ if not lst_return:
+ break
+ if lst_return:
+ return retval
+ elif retval:
+ return retval[0]
else:
return None
def check_uid_root():
"""Check for root permissions"""
- if not os.geteuid()==0:
+ if not os.geteuid() == 0:
sys.exit("Error: please run this script with uid 0 (root).")
Some information and boot options available via keys F2 - F10. http://grml.org/
%(grml_name)s
-""" % {'grml_name': grml_name} )
+""" % {'grml_name': grml_name})
def generate_main_syslinux_config(*arg):
@grml_flavour: name of grml flavour the configuration should be generated for"""
-
return("""\
menu begin grml %(grml_flavour)s
menu title %(display_name)s
include %(grml_flavour)s_grml.cfg
menu hide
menu end
-""" % {'grml_flavour': grml_flavour, 'display_name' : get_flavour_filename(grml_flavour) } )
+""" % {'grml_flavour': grml_flavour, 'display_name': get_flavour_filename(grml_flavour)})
def install_grub(device):
grub_device = device
logging.info("Installing grub as bootloader")
- for opt in ["", "--force" ]:
+ for opt in ["", "--force"]:
logging.debug("grub-install --recheck %s --no-floppy --root-directory=%s %s",
opt, device_mountpoint, grub_device)
proc = subprocess.Popen(["grub-install", "--recheck", opt, "--no-floppy",
mbrcode[463:478] + actives[2] + \
mbrcode[479:494] + actives[3] + \
mbrcode[495:510] + "\x55\xAA"
-
+
tmpf.file.seek(0)
tmpf.file.truncate()
tmpf.file.write(mbrcode)
execute(mkdir, conf_target)
return write_uuid(uuid_file_name)
+
def get_shortname(grml_flavour):
"""Get shortname based from grml_flavour name. The rules applied are the same as in grml-live
@grml_flavour: flavour name which shold be translated to shortname"""
return re.sub(r'[,._-]', '', grml_flavour)
+
def copy_system_files(grml_flavour, iso_mount, target):
"""copy grml's main files (like squashfs, kernel and initrd) to a given target
else:
exec_rsync(filesystem_module, squashfs_target + 'filesystem.module')
-
shortname = get_shortname(grml_flavour)
if os.path.isdir(iso_mount + '/boot/' + shortname):
exec_rsync(iso_mount + '/boot/' + shortname, target + '/boot')
raise CriticalException("error locating kernel file")
source = os.path.dirname(kernel) + '/'
- dest = target + '/' + os.path.dirname(kernel).replace(iso_mount,'') + '/'
+ dest = target + '/' + os.path.dirname(kernel).replace(iso_mount, '') + '/'
execute(mkdir, dest)
exec_rsync(source, dest)
else:
return False
+
def copy_grml_files(grml_flavour, iso_mount, target):
"""copy some minor grml files to a given target
grml_prefixe = ["GRML", "grml"]
for prefix in grml_prefixe:
- filename = "{0}/{1}/{2}".format(iso_mount, prefix, grml_flavour)
- if os.path.exists(filename):
- exec_rsync(filename, grml_target)
- break
+ filename = "{0}/{1}/{2}".format(iso_mount, prefix, grml_flavour)
+ if os.path.exists(filename):
+ exec_rsync(filename, grml_target)
+ break
else:
- logging.warn("Warning: could not find flavour directory for %s ", grml_flavour)
+ logging.warn("Warning: could not find flavour directory for %s ", grml_flavour)
def handle_addon_copy(filename, dst, iso_mount, ignore_errors=False):
file_location = search_file(filename, iso_mount)
if file_location is None:
if not ignore_errors:
- logging.warn("Warning: %s not found (that's fine if you don't need it)", filename)
+ logging.warn("Warning: %s not found (that's fine if you don't need it)", filename)
else:
exec_rsync(file_location, dst)
# ipxe.lkrn
handle_addon_copy('ipxe.lkrn', addons, iso_mount)
+
+def build_loopbackcfg(target):
+ """Generate GRUB's loopback.cfg based on existing config files.
+
+ @target: target directory
+ """
+
+ grub_dir = '/boot/grub/'
+ mkdir(os.path.join(target, grub_dir))
+
+ f = open(target + grub_dir + 'loopback.cfg', 'w')
+
+ f.write("# grml2usb generated grub2 configuration file\n")
+ f.write("source /boot/grub/header.cfg\n")
+
+ for defaults in glob.glob(target + os.path.sep + grub_dir + os.path.sep + "*_default.cfg"):
+ sourcefile = defaults.split(target + os.path.sep)[1]
+ logging.debug("Found source file" + sourcefile)
+ os.path.isfile(defaults) and f.write("source " + sourcefile + "\n")
+
+ for ops in glob.glob(target + os.path.sep + grub_dir + os.path.sep + "*_options.cfg"):
+ sourcefile = ops.split(target + os.path.sep)[1]
+ logging.debug("Found source file" + sourcefile)
+ os.path.isfile(ops) and f.write("source " + sourcefile + "\n")
+
+ f.write("source /boot/grub/adddons.cfg\n")
+ f.write("source /boot/grub/footer.cfg\n")
+ f.close()
+
+
def glob_and_copy(filepattern, dst):
"""Glob on specified filepattern and copy the result to dst
for name in glob.glob(filepattern):
copy_if_exist(name, dst)
+
def search_and_copy(filename, search_path, dst):
"""Search for the specified filename at searchpath and copy it to dst
file_location = search_file(filename, search_path)
copy_if_exist(file_location, dst)
+
def copy_if_exist(filename, dst):
"""Copy filename to dst if filename is set.
if filename and (os.path.isfile(filename) or os.path.isdir(filename)):
exec_rsync(filename, dst)
+
def copy_bootloader_files(iso_mount, target, grml_flavour):
"""Copy grml's bootloader files to a given target
mkdir(target + '/boot/')
exec_rsync(efi_img, target + '/boot/efi.img')
- for ffile in ['f%d' % number for number in range(1, 11) ]:
+ for ffile in ['f%d' % number for number in range(1, 11)]:
search_and_copy(ffile, iso_mount, syslinux_target + ffile)
- loopback_cfg = search_file("loopback.cfg", iso_mount)
- if loopback_cfg:
- directory = os.path.dirname(loopback_cfg)
- directory = directory.replace(iso_mount, "")
- mkdir(os.path.join(target, directory))
- exec_rsync(loopback_cfg, target + os.path.sep + directory)
-
# avoid the "file is read only, overwrite anyway (y/n) ?" question
# of mtools by syslinux ("mmove -D o -D O s:/ldlinux.sys $target_file")
if os.path.isfile(syslinux_target + 'ldlinux.sys'):
for filename in glob.glob1(syslinux_target, "*.c32"):
copy_if_exist(os.path.join(SYSLINUX_LIBS, filename), syslinux_target)
-
# copy the addons_*.cfg file to the new syslinux directory
glob_and_copy(iso_mount + source_dir + 'addon*.cfg', syslinux_target)
# copy all grub files from ISO
glob_and_copy(iso_mount + '/boot/grub/*', grub_target)
+ # finally (after all GRUB files have been been installed) build static loopback.cfg
+ build_loopbackcfg(target)
+
+
def install_iso_files(grml_flavour, iso_mount, device, target):
"""Copy files from ISO to given target
"""
return re.match(r'[\w-]*', flavour_str).group()
+
def identify_grml_flavour(mountpath):
"""Get name of grml flavour
@mountpath: path where the grml ISO is mounted to
@return: name of grml-flavour"""
- version_file = search_file('grml-version', mountpath)
+ version_files = search_file('grml-version', mountpath, lst_return=True)
- if version_file == "":
+ if not version_files:
logging.critical("Error: could not find grml-version file.")
raise
flavours = []
- tmpfile = None
- try:
- tmpfile = open(version_file, 'r')
- for line in tmpfile.readlines():
- flavours.append(get_flavour(line))
- except TypeError, e:
- raise
- except Exception, e:
- logging.critical("Unexpected error: %s", e)
- raise
- finally:
- if tmpfile:
- tmpfile.close()
+ logging.debug("version_files = %s", version_files)
+ for version_file in version_files:
+ tmpfile = None
+ try:
+ tmpfile = open(version_file, 'r')
+ for line in tmpfile.readlines():
+ flavours.append(get_flavour(line))
+ except TypeError, e:
+ raise
+ except Exception, e:
+ logging.critical("Unexpected error: %s", e)
+ raise
+ finally:
+ if tmpfile:
+ tmpfile.close()
return flavours
remove_regexes.append(re.compile(regex))
shortname = get_shortname(grml_flavour)
- for filename in glob.glob(grub_target + shortname + '*.cfg'):
+ for filename in glob.glob(grub_target + '*.cfg'):
for line in fileinput.input(filename, inplace=1):
line = line.rstrip("\r\n")
if option_re.search(line):
line = bootid_re.sub('', line)
- line = live_media_path_re.sub('', line)
- line = line.rstrip() + r' live-media-path=/live/%s/ bootid=%s %s ' % (grml_flavour, UUID, bootopt)
+ if shortname in filename:
+ line = live_media_path_re.sub('', line)
+ line = line.rstrip() + ' live-media-path=/live/%s/ ' % (grml_flavour)
+ line = line.rstrip() + r' bootid=%s %s ' % (UUID, bootopt)
for regex in remove_regexes:
line = regex.sub(' ', line)
print line
data.write("include hidden.cfg\n")
data.close()
+
def add_entry_if_not_present(filename, entry):
"""Write entry into filename if entry is not already in the file
data.close()
+
def get_flavour_filename(flavour):
"""Generate a iso9960 save filename out of the specified flavour
"""
return flavour.replace('-', '_')
+
def adjust_syslinux_bootoptions(src, flavour):
"""Adjust existing bootoptions of specified syslinux config to
grml2usb specific ones, e.g. change the location of the kernel...
sys.stdout.write(line)
fileinput.close()
+
def adjust_labels(src, replacement):
"""Adjust the specified labels in the syslinux config file src with
specified replacement
data.write(generate_flavour_specific_syslinux_config(grml_flavour))
data.close()
+
def modify_filenames(grml_flavour, target, filenames):
"""Replace the standard filenames with the new ones
execute(mkdir, syslinux_target)
syslinux_cfg = syslinux_target + 'syslinux.cfg'
-
# install main configuration only *once*, no matter how many ISOs we have:
syslinux_config_file = open(syslinux_cfg, 'w')
syslinux_config_file.write("TIMEOUT 300\n")
filename = search_file("new_hidden.cfg", syslinux_target)
-
# process hidden file
if not search_file("hidden.cfg", syslinux_target):
new_hidden = syslinux_target + "hidden.cfg"
os.rename(filename, new_hidden)
adjust_syslinux_bootoptions(new_hidden, grml_flavour)
else:
- new_hidden_file = "%s/%s_hidden.cfg" % (syslinux_target, flavour_filename)
+ new_hidden_file = "%s/%s_hidden.cfg" % (syslinux_target, flavour_filename)
os.rename(filename, new_hidden_file)
adjust_labels(new_hidden_file, r'\1 %s-\2' % grml_flavour)
adjust_syslinux_bootoptions(new_hidden_file, grml_flavour)
entry = 'include %s_hidden.cfg\n' % flavour_filename
add_entry_if_not_present("%s/hiddens.cfg" % syslinux_target, entry)
-
-
new_default = "%s_default.cfg" % (flavour_filename)
entry = 'include %s\n' % new_default
defaults_file = '%s/defaults.cfg' % syslinux_target
sys.exit(1)
-
def install(image, device):
"""Install a grml image to the specified device
cleanup()
-
def install_grml(mountpoint, device):
"""Main logic for copying files of the currently running grml system.
if remove_device_mountpoint:
remove_mountpoint(device_mountpoint)
+
def remove_mountpoint(mountpoint):
"""remove a registred mountpoint
"""
logging.critical("Fatal: %s", error)
cleanup()
+
def handle_mbr(device):
"""Main handler for installing master boot record (MBR)
logging.critical("Fatal: rsync not available, can not continue - sorry.")
sys.exit(1)
+
def load_loop():
"""Runs modprobe loop and throws away it's output"""
proc = subprocess.Popen(["modprobe", "loop"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
proc.wait()
+
def main():
"""Main function [make pylint happy :)]"""
projects / grml2usb.git / blobdiff