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"""
Builds non-live bootable CD's that have PXE-equivalent behavior
for all cobbler profiles currently in memory.
Copyright 2006-2008, Red Hat, Inc
Michael DeHaan <mdehaan@redhat.com>
This software may be freely redistributed under the terms of the GNU
general public license.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
import os
import os.path
import shutil
import sub_process
import sys
import traceback
import shutil
import sub_process
import utils
from cexceptions import *
from utils import _
# FIXME: lots of overlap with pxegen.py, should consolidate
# FIXME: disable timeouts and remove local boot for this?
HEADER = """
DEFAULT menu
PROMPT 0
MENU TITLE Cobbler | http://cobbler.et.redhat.com
TIMEOUT 200
TOTALTIMEOUT 6000
ONTIMEOUT local
LABEL local
MENU LABEL (local)
MENU DEFAULT
LOCALBOOT -1
"""
class BuildIso:
"""
Handles conversion of internal state to the tftpboot tree layout
"""
def __init__(self,config,verbose=False):
"""
Constructor
"""
self.verbose = verbose
self.config = config
self.api = config.api
self.distros = config.distros()
self.profiles = config.profiles()
self.distmap = {}
self.distctr = 0
def make_shorter(self,distname):
if self.distmap.has_key(distname):
return self.distmap[distname]
else:
self.distctr = self.distctr + 1
self.distmap[distname] = str(self.distctr)
return str(self.distctr)
def run(self,iso=None,tempdir=None,profiles=None):
# verify we can find isolinux.bin
if iso is None:
iso = "kickstart.iso"
isolinuxbin = "/usr/lib/syslinux/isolinux.bin"
if not os.path.exists(isolinuxbin):
raise CX(_("Required file not found: %s") % isolinuxbin)
# if iso is none, create it in . as "cobbler.iso"
if tempdir is None:
tempdir = os.path.join(os.getcwd(), "buildiso")
print _("- using/creating tempdir: %s") % tempdir
if not os.path.exists(tempdir):
os.makedirs(tempdir)
# if base of tempdir does not exist, fail
# create all profiles unless filtered by "profiles"
imagesdir = os.path.join(tempdir, "images")
isolinuxdir = os.path.join(tempdir, "isolinux")
print _("- building tree for isolinux")
if not os.path.exists(imagesdir):
os.makedirs(imagesdir)
if not os.path.exists(isolinuxdir):
os.makedirs(isolinuxdir)
print _("- copying miscellaneous files")
utils.copyfile(isolinuxbin, os.path.join(isolinuxdir, "isolinux.bin"))
menu = "/var/lib/cobbler/menu.c32"
files = [ isolinuxbin, menu ]
for f in files:
if not os.path.exists(f):
raise CX(_("Required file not found: %s") % f)
utils.copyfile(f, os.path.join(isolinuxdir, os.path.basename(f)))
print _("- copying kernels and initrds")
# copy all images in included profiles to images dir
for x in self.api.profiles():
use_this = True
if profiles is not None:
which_profiles = profiles.split(",")
if not use_this in which_profiles:
use_this = False
dist = x.get_conceptual_parent()
if dist.name.find("-xen") != -1:
continue
distname = self.make_shorter(dist.name)
# tempdir/isolinux/$distro/vmlinuz, initrd.img
# FIXME: this will likely crash on non-Linux breeds
shutil.copyfile(dist.kernel, os.path.join(isolinuxdir, "%s.krn" % distname))
shutil.copyfile(dist.initrd, os.path.join(isolinuxdir, "%s.img" % distname))
# generate isolinux.cfg
print _("- generating a isolinux.cfg")
isolinuxcfg = os.path.join(isolinuxdir, "isolinux.cfg")
cfg = open(isolinuxcfg, "w+")
cfg.write(HEADER) # fixme, use template
for x in self.api.profiles():
# FIXME
use_this = True
if profiles is not None:
which_profiles = profiles.split(",")
if not use_this in which_profiles:
use_this = False
if use_this:
dist = x.get_conceptual_parent()
if dist.name.find("-xen") != -1:
continue
data = utils.blender(self.api, True, x)
distname = self.make_shorter(dist.name)
cfg.write("\n")
cfg.write("LABEL %s\n" % x.name)
cfg.write(" MENU LABEL %s\n" % x.name)
cfg.write(" kernel %s.krn\n" % distname)
if data["kickstart"].startswith("/"):
data["kickstart"] = "http://%s/cblr/svc/op/ks/profile/%s" % (
data["server"],
x.name
)
append_line = " append initrd=%s.img" % distname
append_line = append_line + " ks=%s " % data["kickstart"]
append_line = append_line + " %s\n" % data["kernel_options"]
cfg.write(append_line)
print _("- done writing config")
cfg.write("\n")
cfg.write("MENU END\n")
cfg.close()
cmd = "mkisofs -o %s -r -b isolinux/isolinux.bin -c isolinux/boot.cat" % iso
cmd = cmd + " -no-emul-boot -boot-load-size 4 "
cmd = cmd + " -boot-info-table -V Cobbler\ Install -R -J -T %s" % tempdir
print _("- running: %s") % cmd
rc = sub_process.call(cmd, shell=True)
if rc:
raise CX(_("mkisofs failed"))
print _("ISO build complete")
print _("You may wish to delete: %s") % tempdir
print _("The output file is: %s") % iso
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