You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
238 lines
9.8 KiB
238 lines
9.8 KiB
#!/usr/bin/python -tt
|
|
#
|
|
# livecd-creator : Creates Live CD based for Fedora.
|
|
#
|
|
# Copyright 2007, Red Hat Inc.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; version 2 of the License.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Library General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
import os
|
|
import os.path
|
|
import stat
|
|
import sys
|
|
import time
|
|
import optparse
|
|
import logging
|
|
|
|
import imgcreate
|
|
|
|
class Usage(Exception):
|
|
def __init__(self, msg = None, no_error = False):
|
|
Exception.__init__(self, msg, no_error)
|
|
|
|
def parse_options(args):
|
|
parser = optparse.OptionParser()
|
|
|
|
imgopt = optparse.OptionGroup(parser, "Image options",
|
|
"These options define the created image.")
|
|
imgopt.add_option("-c", "--config", type="string", dest="kscfg",
|
|
help="Path or url to kickstart config file")
|
|
imgopt.add_option("-b", "--base-on", type="string", dest="base_on",
|
|
help="Add packages to an existing live CD iso9660 image.")
|
|
imgopt.add_option("-f", "--fslabel", type="string", dest="fslabel",
|
|
help="File system label (default based on config name)")
|
|
imgopt.add_option("", "--title", type="string", dest="title",
|
|
help="Title used by syslinux.cfg file"),
|
|
imgopt.add_option("", "--product", type="string", dest="product",
|
|
help="Product name used in syslinux.cfg boot stanzas and countdown"),
|
|
# Provided for img-create compatibility
|
|
imgopt.add_option("-n", "--name", type="string", dest="fslabel",
|
|
help=optparse.SUPPRESS_HELP)
|
|
imgopt.add_option("-p", "--plugins", action="store_true", dest="plugins",
|
|
help="Use yum plugins during image creation",
|
|
default=False)
|
|
imgopt.add_option("", "--image-type", type="string", dest="image_type",
|
|
help=optparse.SUPPRESS_HELP)
|
|
imgopt.add_option("", "--compression-type", type="string", dest="compress_type",
|
|
help="Compression type recognized by mksquashfs "
|
|
"(default xz needs a 2.6.38+ kernel, gzip works "
|
|
"with all kernels, lzo needs a 2.6.36+ kernel, lzma "
|
|
"needs custom kernel.) Set to 'None' to force read "
|
|
"from base_on.",
|
|
default="xz")
|
|
imgopt.add_option("", "--releasever", type="string", dest="releasever",
|
|
default=None,
|
|
help="Value to substitute for $releasever in kickstart repo urls")
|
|
parser.add_option_group(imgopt)
|
|
|
|
# options related to the config of your system
|
|
sysopt = optparse.OptionGroup(parser, "System directory options",
|
|
"These options define directories used on your system for creating the live image")
|
|
sysopt.add_option("-t", "--tmpdir", type="string",
|
|
dest="tmpdir", default="/var/tmp",
|
|
help="Temporary directory to use (default: /var/tmp)")
|
|
sysopt.add_option("", "--cache", type="string",
|
|
dest="cachedir", default=None,
|
|
help="Cache directory to use (default: private cache")
|
|
sysopt.add_option("", "--cacheonly", action="store_true",
|
|
dest="cacheonly", default=False,
|
|
help="Work offline from cache, use together with --cache (default: False)")
|
|
sysopt.add_option("", "--nocleanup", action="store_true",
|
|
dest="nocleanup", default=False,
|
|
help="Skip cleanup of temporary files")
|
|
|
|
parser.add_option_group(sysopt)
|
|
|
|
imgcreate.setup_logging(parser)
|
|
|
|
# debug options not recommended for "production" images
|
|
# Start a shell in the chroot for post-configuration.
|
|
parser.add_option("-l", "--shell", action="store_true", dest="give_shell",
|
|
help=optparse.SUPPRESS_HELP)
|
|
# Don't compress the image.
|
|
parser.add_option("-s", "--skip-compression", action="store_true", dest="skip_compression",
|
|
help=optparse.SUPPRESS_HELP)
|
|
parser.add_option("", "--skip-minimize", action="store_true", dest="skip_minimize",
|
|
help=optparse.SUPPRESS_HELP)
|
|
|
|
(options, args) = parser.parse_args()
|
|
|
|
# Pretend to be a image-creator if called with that name
|
|
if not options.image_type:
|
|
if sys.argv[0].endswith('image-creator'):
|
|
options.image_type = 'image'
|
|
else:
|
|
options.image_type = 'livecd'
|
|
if options.image_type not in ('livecd', 'image'):
|
|
raise Usage("'%s' is not a recognized image type" % options.image_type)
|
|
|
|
# image-create compatibility: Last argument is kickstart file
|
|
if len(args) == 1:
|
|
options.kscfg = args.pop()
|
|
if len(args):
|
|
raise Usage("Extra arguments given")
|
|
|
|
if not options.kscfg or not os.path.exists(options.kscfg):
|
|
raise Usage("Kickstart file must be provided")
|
|
if options.base_on and not os.path.isfile(options.base_on):
|
|
raise Usage("Image file '%s' does not exist" %(options.base_on,))
|
|
if options.image_type == 'livecd':
|
|
if options.fslabel and len(options.fslabel) > imgcreate.FSLABEL_MAXLEN:
|
|
raise Usage("CD labels are limited to 32 characters")
|
|
if options.fslabel and options.fslabel.find(" ") != -1:
|
|
raise Usage("CD labels cannot contain spaces.")
|
|
|
|
return options
|
|
|
|
def main():
|
|
try:
|
|
options = parse_options(sys.argv[1:])
|
|
except Usage, (msg, no_error):
|
|
if no_error:
|
|
out = sys.stdout
|
|
ret = 0
|
|
else:
|
|
out = sys.stderr
|
|
ret = 2
|
|
if msg:
|
|
print >> out, msg
|
|
return ret
|
|
|
|
if os.geteuid () != 0:
|
|
print >> sys.stderr, "You must run %s as root" % sys.argv[0]
|
|
return 1
|
|
|
|
if options.fslabel:
|
|
fslabel = options.fslabel
|
|
name = fslabel
|
|
else:
|
|
name = imgcreate.build_name(options.kscfg, options.image_type + "-")
|
|
|
|
fslabel = imgcreate.build_name(options.kscfg,
|
|
options.image_type + "-",
|
|
maxlen = imgcreate.FSLABEL_MAXLEN,
|
|
suffix = "%s-%s" %(os.uname()[4], time.strftime("%Y%m%d%H%M")))
|
|
|
|
logging.info("Using label '%s' and name '%s'" % (fslabel, name))
|
|
|
|
if options.title:
|
|
title = options.title
|
|
else:
|
|
try:
|
|
title = " ".join(name.split("-")[:2])
|
|
title = title.title()
|
|
except:
|
|
title = "Linux"
|
|
if options.product:
|
|
product = options.product
|
|
else:
|
|
try:
|
|
product = " ".join(name.split("-")[:2])
|
|
product = product.title()
|
|
except:
|
|
product = "Linux"
|
|
logging.info("Using title '%s' and product '%s'" % (title, product))
|
|
|
|
ks = imgcreate.read_kickstart(options.kscfg)
|
|
if not ks.handler.repo.seen:
|
|
print >> sys.stderr, "Kickstart (%s) must have at least one repository." % (options.kscfg)
|
|
return 1
|
|
|
|
try:
|
|
if options.image_type == 'livecd':
|
|
creator = imgcreate.LiveImageCreator(ks, name,
|
|
fslabel=fslabel,
|
|
releasever=options.releasever,
|
|
tmpdir=os.path.abspath(options.tmpdir),
|
|
useplugins=options.plugins,
|
|
title=title, product=product,
|
|
cacheonly=options.cacheonly,
|
|
docleanup=not options.nocleanup)
|
|
elif options.image_type == 'image':
|
|
creator = imgcreate.LoopImageCreator(ks, name,
|
|
fslabel=fslabel,
|
|
releasever=options.releasever,
|
|
useplugins=options.plugins,
|
|
tmpdir=os.path.abspath(options.tmpdir),
|
|
cacheonly=options.cacheonly,
|
|
docleanup=not options.nocleanup)
|
|
except imgcreate.CreatorError as e:
|
|
logging.error(u"%s creation failed: %s", options.image_type, e)
|
|
return 1
|
|
|
|
creator.compress_type = options.compress_type
|
|
creator.skip_compression = options.skip_compression
|
|
creator.skip_minimize = options.skip_minimize
|
|
if options.cachedir:
|
|
options.cachedir = os.path.abspath(options.cachedir)
|
|
|
|
try:
|
|
creator.mount(options.base_on, options.cachedir)
|
|
|
|
# fix /dev
|
|
os.mknod(os.path.join(
|
|
creator._instroot, 'dev/loop-control'), 0666 | stat.S_IFBLK, os.makedev(10, 237))
|
|
for i in range(8):
|
|
os.mknod(os.path.join(creator._instroot, 'dev/loop{}'.format(i)),
|
|
0666 | stat.S_IFBLK, os.makedev(7, i))
|
|
|
|
creator.install()
|
|
creator.configure()
|
|
if options.give_shell:
|
|
print "Launching shell. Exit to continue."
|
|
print "----------------------------------"
|
|
creator.launch_shell()
|
|
creator.unmount()
|
|
creator.package()
|
|
except imgcreate.CreatorError, e:
|
|
logging.error(u"Error creating Live CD : %s" % e)
|
|
return 1
|
|
finally:
|
|
creator.cleanup()
|
|
|
|
return 0
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|