/usr/share/pyshared/cobbler/pxegen.py is in python-maas-provision 2.2.2-0ubuntu4.
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Builds out filesystem trees/data based on the object tree.
This is the code behind 'cobbler sync'.
Copyright 2006-2009, Red Hat, Inc
Michael DeHaan <mdehaan@redhat.com>
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; either version 2 of the License, or
(at your option) any later version.
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 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., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
"""
import os
import os.path
import shutil
import shlex
import time
import sys
import glob
import traceback
import errno
import string
import socket
import utils
from cexceptions import *
import templar
import item_distro
import item_profile
import item_repo
import item_system
import item_image
from utils import _
class PXEGen:
"""
Handles building out PXE stuff
"""
def __init__(self, config, logger):
"""
Constructor
"""
self.config = config
self.logger = logger
self.api = config.api
self.distros = config.distros()
self.profiles = config.profiles()
self.systems = config.systems()
self.settings = config.settings()
self.repos = config.repos()
self.images = config.images()
self.templar = templar.Templar(config)
self.bootloc = utils.tftpboot_location()
# FIXME: not used anymore, can remove?
self.verbose = False
def copy_bootloaders(self):
"""
Copy bootloaders to the configured tftpboot directory
NOTE: we support different arch's if defined in
/etc/cobbler/settings.
"""
dst = self.bootloc
grub_dst = os.path.join(dst, "grub")
image_dst = os.path.join(dst, "images")
# copy syslinux from one of two locations
try:
try:
utils.copyfile_pattern('/var/lib/cobbler/loaders/pxelinux.0',
dst, api=self.api, cache=False, logger=self.logger)
utils.copyfile_pattern('/var/lib/cobbler/loaders/menu.c32',
dst, api=self.api, cache=False, logger=self.logger)
utils.copyfile_pattern('/var/lib/cobbler/loaders/chain.c32',
dst, api=self.api, cache=False, logger=self.logger)
if self.settings.use_gpxe:
utils.copyfile_pattern('/var/lib/cobbler/loaders/gpxelinux.0',
dst, api=self.api, cache=False, logger=self.logger)
except:
utils.copyfile_pattern('/usr/share/syslinux/pxelinux.0',
dst, api=self.api, cache=False, logger=self.logger)
utils.copyfile_pattern('/usr/share/syslinux/menu.c32',
dst, api=self.api, cache=False, logger=self.logger)
utils.copyfile_pattern('/usr/share/syslinux/chain.c32',
dst, api=self.api, cache=False, logger=self.logger)
if self.settings.use_gpxe:
utils.copyfile_pattern('/usr/share/syslinux/pxelinux.0',
dst, api=self.api, cache=False, logger=self.logger)
except:
utils.copyfile_pattern('/usr/lib/syslinux/pxelinux.0',
dst, api=self.api, cache=False, logger=self.logger)
utils.copyfile_pattern('/usr/lib/syslinux/menu.c32',
dst, api=self.api, cache=False, logger=self.logger)
utils.copyfile_pattern('/usr/lib/syslinux/chain.c32',
dst, api=self.api, cache=False, logger=self.logger)
if self.settings.use_gpxe:
utils.copyfile_pattern('/usr/lib/syslinux/gpxelinux.0',
dst, api=self.api, cache=False, logger=self.logger)
# copy memtest only if we find it
utils.nohardlink_copyfile_pattern('/boot/memtest*', image_dst,
require_match=False, api=self.api, cache=False, logger=self.logger)
# copy elilo which we include for IA64 targets
utils.copyfile_pattern('/var/lib/cobbler/loaders/elilo.efi', dst,
require_match=False, api=self.api, cache=False, logger=self.logger)
# copy yaboot which we include for PowerPC targets
utils.copyfile_pattern('/var/lib/cobbler/loaders/yaboot', dst,
require_match=False, api=self.api, cache=False, logger=self.logger)
try:
utils.copyfile_pattern('/usr/lib/syslinux/memdisk',
dst, api=self.api, cache=False, logger=self.logger)
except:
utils.copyfile_pattern('/usr/share/syslinux/memdisk', dst,
require_match=False, api=self.api, cache=False, logger=self.logger)
# Copy grub EFI bootloaders if possible:
utils.copyfile_pattern('/var/lib/cobbler/loaders/grub*.efi', grub_dst,
require_match=False, api=self.api, cache=False, logger=self.logger)
def copy_images(self):
"""
Like copy_distros except for images.
"""
errors = list()
for i in self.images:
try:
self.copy_single_image_files(i)
except CX, e:
errors.append(e)
self.logger.error(e.value)
# FIXME: using logging module so this ends up in cobbler.log?
def copy_single_distro_files(self, d, dirtree, symlink_ok):
distros = os.path.join(dirtree, "images")
distro_dir = os.path.join(distros,d.name)
utils.mkdir(distro_dir)
kernel = utils.find_kernel(d.kernel) # full path
initrd = utils.find_initrd(d.initrd) # full path
if kernel is None:
raise CX("kernel not found: %(file)s, distro: %(distro)s" %
{ "file" : d.kernel, "distro" : d.name })
if initrd is None:
raise CX("initrd not found: %(file)s, distro: %(distro)s" %
{ "file" : d.initrd, "distro" : d.name })
# Kernels referenced by remote URL are passed through to koan directly,
# no need for copying the kernel locally:
if not utils.file_is_remote(kernel):
b_kernel = os.path.basename(kernel)
dst1 = os.path.join(distro_dir, b_kernel)
utils.linkfile(kernel, dst1, symlink_ok=symlink_ok,
api=self.api, logger=self.logger)
if not utils.file_is_remote(initrd):
b_initrd = os.path.basename(initrd)
dst2 = os.path.join(distro_dir, b_initrd)
utils.linkfile(initrd, dst2, symlink_ok=symlink_ok,
api=self.api, logger=self.logger)
def copy_single_image_files(self, img):
images_dir = os.path.join(self.bootloc, "images2")
filename = img.file
if not os.path.exists(filename):
# likely for virtual usage, cannot use
return
if not os.path.exists(images_dir):
os.makedirs(images_dir)
basename = os.path.basename(img.file)
newfile = os.path.join(images_dir, img.name)
utils.linkfile(filename, newfile, api=self.api, logger=self.logger)
return True
def write_all_system_files(self, system):
profile = system.get_conceptual_parent()
if profile is None:
raise CX("system %(system)s references a missing profile %(profile)s" % { "system" : system.name, "profile" : system.profile})
distro = profile.get_conceptual_parent()
image_based = False
image = None
if distro is None:
if profile.COLLECTION_TYPE == "profile":
raise CX("profile %(profile)s references a missing distro %(distro)s" % { "profile" : system.profile, "distro" : profile.distro})
else:
image_based = True
image = profile
# hack: s390 generates files per system not per interface
if not image_based and distro.arch.startswith("s390"):
# Always write a system specific _conf and _parm file
f2 = os.path.join(self.bootloc, "s390x", "s_%s" % system.name)
cf = "%s_conf" % f2
pf = "%s_parm" % f2
template_cf = open("/etc/cobbler/pxe/s390x_conf.template")
template_pf = open("/etc/cobbler/pxe/s390x_parm.template")
blended = utils.blender(self.api, True, system)
self.templar.render(template_cf, blended, cf)
# FIXME: profiles also need this data!
# FIXME: the _conf and _parm files are limited to 80 characters in length
try:
ipaddress = socket.gethostbyname_ex(blended["http_server"])[2][0]
except socket.gaierror:
ipaddress = blended["http_server"]
kickstart_path = "http://%s/cblr/svc/op/ks/system/%s" % (ipaddress, system.name)
# gather default kernel_options and default kernel_options_s390x
kopts = blended.get("kernel_options","")
hkopts = shlex.split(utils.hash_to_string(kopts))
blended["kickstart_expanded"] = "ks=%s" % kickstart_path
blended["kernel_options"] = hkopts
self.templar.render(template_pf, blended, pf)
# Write system specific zPXE file
if system.is_management_supported():
self.write_pxe_file(f2, system, profile, distro, distro.arch)
else:
# ensure the file doesn't exist
utils.rmfile(f2)
return
# generate one record for each described NIC ..
for (name,interface) in system.interfaces.iteritems():
ip = interface["ip_address"]
f1 = utils.get_config_filename(system, interface=name)
if f1 is None:
self.logger.warning("invalid interface recorded for system (%s,%s)" % (system.name,name))
continue;
if image_based:
working_arch = image.arch
else:
working_arch = distro.arch
if working_arch is None:
raise "internal error, invalid arch supplied"
# for tftp only ...
grub_path = None
if working_arch in [ "i386", "x86", "x86_64", "standard", "arm" ]:
if self.settings.use_gpxe:
# pxelinux wants a file named $name under pxelinux.cfg
f2 = os.path.join(self.bootloc, "gpxe", f1)
else:
# pxelinux wants a file named $name under pxelinux.cfg
f2 = os.path.join(self.bootloc, "pxelinux.cfg", f1)
# Only generating grub menus for these arch's:
grub_path = os.path.join(self.bootloc, "grub", f1.upper())
elif working_arch == "ia64":
# elilo expects files to be named "$name.conf" in the root
# and can not do files based on the MAC address
if ip is not None and ip != "":
self.logger.warning("Warning: Itanium system object (%s) needs an IP address to PXE" % system.name)
filename = "%s.conf" % utils.get_config_filename(system,interface=name)
f2 = os.path.join(self.bootloc, filename)
elif working_arch.startswith("ppc"):
# Determine filename for system-specific yaboot.conf
filename = "%s" % utils.get_config_filename(system, interface=name).lower()
f2 = os.path.join(self.bootloc, "etc", filename)
# Link to the yaboot binary
f3 = os.path.join(self.bootloc, "ppc", filename)
if os.path.lexists(f3):
utils.rmfile(f3)
os.symlink("../yaboot", f3)
else:
continue
if system.is_management_supported():
if not image_based:
self.write_pxe_file(f2, system, profile, distro, working_arch)
if grub_path:
self.write_pxe_file(grub_path, system, profile, distro,
working_arch, format="grub")
else:
self.write_pxe_file(f2, system, None, None, working_arch, image=profile)
else:
# ensure the file doesn't exist
utils.rmfile(f2)
if grub_path:
utils.rmfile(grub_path)
def make_pxe_menu(self):
self.make_s390_pseudo_pxe_menu()
self.make_actual_pxe_menu()
def make_s390_pseudo_pxe_menu(self):
s390path = os.path.join(self.bootloc, "s390x")
if not os.path.exists(s390path):
utils.mkdir(s390path)
profile_list = [profile for profile in self.profiles]
image_list = [image for image in self.images]
def sort_name(a,b):
return cmp(a.name,b.name)
profile_list.sort(sort_name)
image_list.sort(sort_name)
listfile = open(os.path.join(s390path, "profile_list"),"w+")
for profile in profile_list:
distro = profile.get_conceptual_parent()
if distro is None:
raise CX("profile is missing distribution: %s, %s" % (profile.name, profile.distro))
if distro.arch.startswith("s390"):
listfile.write("%s\n" % profile.name)
f2 = os.path.join(self.bootloc, "s390x", "p_%s" % profile.name)
self.write_pxe_file(f2,None,profile,distro,distro.arch)
cf = "%s_conf" % f2
pf = "%s_parm" % f2
template_cf = open("/etc/cobbler/pxe/s390x_conf.template")
template_pf = open("/etc/cobbler/pxe/s390x_parm.template")
blended = utils.blender(self.api, True, profile)
self.templar.render(template_cf, blended, cf)
# FIXME: profiles also need this data!
# FIXME: the _conf and _parm files are limited to 80 characters in length
try:
ipaddress = socket.gethostbyname_ex(blended["http_server"])[2][0]
except socket.gaierror:
ipaddress = blended["http_server"]
kickstart_path = "http://%s/cblr/svc/op/ks/profile/%s" % (ipaddress, profile.name)
# gather default kernel_options and default kernel_options_s390x
kopts = blended.get("kernel_options","")
hkopts = shlex.split(utils.hash_to_string(kopts))
blended["kickstart_expanded"] = "ks=%s" % kickstart_path
blended["kernel_options"] = hkopts
self.templar.render(template_pf, blended, pf)
listfile.close()
def make_actual_pxe_menu(self):
"""
Generates both pxe and grub boot menus.
"""
# only do this if there is NOT a system named default.
default = self.systems.find(name="default")
if default is None:
timeout_action = "local"
else:
timeout_action = default.profile
# sort the profiles
profile_list = [profile for profile in self.profiles]
def sort_name(a,b):
return cmp(a.name,b.name)
profile_list.sort(sort_name)
# sort the images
image_list = [image for image in self.images]
image_list.sort(sort_name)
# Build out menu items and append each to this master list, used for
# the default menus:
pxe_menu_items = ""
grub_menu_items = ""
# For now, profiles are the only items we want grub EFI boot menu entries for:
for profile in profile_list:
if not profile.enable_menu:
# This profile has been excluded from the menu
continue
distro = profile.get_conceptual_parent()
# xen distros can be ruled out as they won't boot
if distro.name.find("-xen") != -1 or distro.arch not in ["i386", "x86_64", "arm"]:
# can't PXE Xen
continue
contents = self.write_pxe_file(filename=None, system=None,
profile=profile, distro=distro,
arch=distro.arch, include_header=False)
if contents is not None:
pxe_menu_items = pxe_menu_items + contents + "\n"
grub_contents = self.write_pxe_file(filename=None, system=None,
profile=profile, distro=distro,
arch=distro.arch, include_header=False, format="grub")
if grub_contents is not None:
grub_menu_items = grub_menu_items + grub_contents + "\n"
# image names towards the bottom
for image in image_list:
if os.path.exists(image.file):
contents = self.write_pxe_file(filename=None, system=None,
profile=None, distro=None, arch=image.arch, image=image)
if contents is not None:
pxe_menu_items = pxe_menu_items + contents + "\n"
# if we have any memtest files in images, make entries for them
# after we list the profiles
memtests = glob.glob(self.bootloc + "/memtest*")
if len(memtests) > 0:
pxe_menu_items = pxe_menu_items + "\n\n"
for memtest in glob.glob(self.bootloc + '/memtest*'):
base = os.path.basename(memtest)
contents = self.write_memtest_pxe("/%s" % base)
pxe_menu_items = pxe_menu_items + contents + "\n"
# Write the PXE menu:
metadata = { "pxe_menu_items" : pxe_menu_items, "pxe_timeout_profile" : timeout_action}
if self.settings.use_gpxe:
outfile = os.path.join(self.bootloc, "gpxe", "default")
gpxe_menu = os.path.join(self.bootloc, "gpxe", "menu.gpxe")
gpxe_template = os.path.join(self.settings.pxe_template_dir,"gpxemenu.template")
utils.copyfile_pattern(gpxe_template, gpxe_menu, api=self.api,
cache=False, logger=self.logger)
else:
outfile = os.path.join(self.bootloc, "pxelinux.cfg", "default")
template_src = open(os.path.join(self.settings.pxe_template_dir,"pxedefault.template"))
template_data = template_src.read()
self.templar.render(template_data, metadata, outfile, None)
template_src.close()
# Write the grub menu:
metadata = { "grub_menu_items" : grub_menu_items }
outfile = os.path.join(self.bootloc, "grub", "efidefault")
template_src = open(os.path.join(self.settings.pxe_template_dir, "efidefault.template"))
template_data = template_src.read()
self.templar.render(template_data, metadata, outfile, None)
template_src.close()
def write_memtest_pxe(self,filename):
"""
Write a configuration file for memtest
"""
# FIXME: this should be handled via "cobbler image add" now that it is available,
# though it would be nice if there was a less-manual way to add those as images.
# just some random variables
template = None
metadata = {}
buffer = ""
template = os.path.join(self.settings.pxe_template_dir,"pxeprofile.template")
# store variables for templating
metadata["menu_label"] = "MENU LABEL %s" % os.path.basename(filename)
metadata["profile_name"] = os.path.basename(filename)
metadata["kernel_path"] = "/%s" % os.path.basename(filename)
metadata["initrd_path"] = ""
metadata["append_line"] = ""
# get the template
template_fh = open(template)
template_data = template_fh.read()
template_fh.close()
# return results
buffer = self.templar.render(template_data, metadata, None)
return buffer
def write_pxe_file(self, filename, system, profile, distro, arch,
image=None, include_header=True, metadata=None, format="pxe"):
"""
Write a configuration file for the boot loader(s).
More system-specific configuration may come in later, if so
that would appear inside the system object in api.py
NOTE: relevant to tftp and pseudo-PXE (s390) only
ia64 is mostly the same as syslinux stuff, s390 is a bit
short-circuited and simpler. All of it goes through the
templating engine, see the templates in /etc/cobbler for
more details
Can be used for different formats, "pxe" (default) and "grub".
"""
if arch is None:
raise "missing arch"
if image and not os.path.exists(image.file):
return None # nfs:// URLs or something, can't use for TFTP
if metadata is None:
metadata = {}
# ---
# just some random variables
template = None
buffer = ""
# ---
kickstart_path = None
kernel_path = None
initrd_path = None
img_path = None
if image is None:
if self.settings.use_gpxe:
# not image based, it's something normalish
img_path = os.path.join("/images",distro.name)
blended = utils.blender(self.api, True, system)
ipaddress = socket.gethostbyname_ex(bleneded["http_server"])[2][0]
kernel_path = "http://%s/cobbler/images%s" % (ipaddress, distro.kernel)
initrd_path = "http://%s/cobbler/images%s" % (ipaddress, distro.initrd)
else:
# not image based, it's something normalish
img_path = os.path.join("/images",distro.name)
kernel_path = os.path.join("/images",distro.name,os.path.basename(distro.kernel))
initrd_path = os.path.join("/images",distro.name,os.path.basename(distro.initrd))
# Find the kickstart if we inherit from another profile
if system:
blended = utils.blender(self.api, True, system)
else:
blended = utils.blender(self.api, True, profile)
kickstart_path = blended.get("kickstart","")
else:
# this is an image we are making available, not kernel+initrd
if image.image_type == "direct":
kernel_path = os.path.join("/images2",image.name)
elif image.image_type == "memdisk":
kernel_path = "/memdisk"
initrd_path = os.path.join("/images2",image.name)
else:
# CD-ROM ISO or virt-clone image? We can't PXE boot it.
kernel_path = None
initrd_path = None
if img_path is not None and not metadata.has_key("img_path"):
metadata["img_path"] = img_path
if kernel_path is not None and not metadata.has_key("kernel_path"):
metadata["kernel_path"] = kernel_path
if initrd_path is not None and not metadata.has_key("initrd_path"):
metadata["initrd_path"] = initrd_path
# ---
# choose a template
if system:
if format == "grub":
template = os.path.join(self.settings.pxe_template_dir, "grubsystem.template")
else: # pxe
if system.netboot_enabled:
template = os.path.join(self.settings.pxe_template_dir,"pxesystem.template")
if arch.startswith("s390"):
template = os.path.join(self.settings.pxe_template_dir,"pxesystem_s390x.template")
elif arch == "ia64":
template = os.path.join(self.settings.pxe_template_dir,"pxesystem_ia64.template")
elif arch.startswith("ppc"):
template = os.path.join(self.settings.pxe_template_dir,"pxesystem_ppc.template")
elif arch.startswith("arm"):
template = os.path.join(self.settings.pxe_template_dir,"pxesystem_arm.template")
elif distro.os_version.startswith("esxi"):
# ESXi uses a very different pxe method, using more files than
# a standard kickstart and different options - so giving it a dedicated
# PXE template makes more sense than shoe-horning it into the existing
# templates
template = os.path.join(self.settings.pxe_template_dir,"pxesystem_esxi.template")
else:
# local booting on ppc requires removing the system-specific dhcpd.conf filename
if arch is not None and arch.startswith("ppc"):
# Disable yaboot network booting for all interfaces on the system
for (name,interface) in system.interfaces.iteritems():
filename = "%s" % utils.get_config_filename(system, interface=name).lower()
# Remove symlink to the yaboot binary
f3 = os.path.join(self.bootloc, "ppc", filename)
if os.path.lexists(f3):
utils.rmfile(f3)
# Remove the interface-specific config file
f3 = os.path.join(self.bootloc, "etc", filename)
if os.path.lexists(f3):
utils.rmfile(f3)
# Yaboot/OF doesn't support booting locally once you've
# booted off the network, so nothing left to do
return None
elif arch is not None and arch.startswith("s390"):
template = os.path.join(self.settings.pxe_template_dir,"pxelocal_s390x.template")
elif arch is not None and arch.startswith("ia64"):
template = os.path.join(self.settings.pxe_template_dir,"pxelocal_ia64.template")
else:
template = os.path.join(self.settings.pxe_template_dir,"pxelocal.template")
else:
# not a system record, so this is a profile record or an image
if arch.startswith("s390"):
template = os.path.join(self.settings.pxe_template_dir,"pxeprofile_s390x.template")
if arch.startswith("arm"):
template = os.path.join(self.settings.pxe_template_dir,"pxeprofile_arm.template")
elif format == "grub":
template = os.path.join(self.settings.pxe_template_dir,"grubprofile.template")
elif distro and distro.os_version.startswith("esxi"):
# ESXi uses a very different pxe method, see comment above in the system section
template = os.path.join(self.settings.pxe_template_dir,"pxeprofile_esxi.template")
else:
template = os.path.join(self.settings.pxe_template_dir,"pxeprofile.template")
if kernel_path is not None:
metadata["kernel_path"] = kernel_path
if initrd_path is not None:
metadata["initrd_path"] = initrd_path
# generate the kernel options and append line:
kernel_options = self.build_kernel_options(system, profile, distro,
image, arch, kickstart_path)
metadata["kernel_options"] = kernel_options
if distro and distro.os_version.startswith("esxi") and filename is not None:
append_line = "BOOTIF=%s" % (os.path.basename(filename))
elif metadata.has_key("initrd_path") and (not arch or arch not in ["ia64", "ppc", "ppc64", "arm"]):
append_line = "append initrd=%s" % (metadata["initrd_path"])
else:
append_line = "append "
append_line = "%s%s" % (append_line, kernel_options)
if arch.startswith("ppc") or arch.startswith("s390"):
# remove the prefix "append"
# TODO: this looks like it's removing more than append, really
# not sure what's up here...
append_line = append_line[7:]
metadata["append_line"] = append_line
# store variables for templating
metadata["menu_label"] = ""
if profile:
if not arch in [ "ia64", "ppc", "ppc64", "s390", "s390x" ]:
metadata["menu_label"] = "MENU LABEL %s" % profile.name
metadata["profile_name"] = profile.name
elif image:
metadata["menu_label"] = "MENU LABEL %s" % image.name
metadata["profile_name"] = image.name
if system:
metadata["system_name"] = system.name
# get the template
if kernel_path is not None:
template_fh = open(template)
template_data = template_fh.read()
template_fh.close()
else:
# this is something we can't PXE boot
template_data = "\n"
# save file and/or return results, depending on how called.
buffer = self.templar.render(template_data, metadata, None)
if filename is not None:
self.logger.info("generating: %s" % filename)
fd = open(filename, "w")
fd.write(buffer)
fd.close()
return buffer
def build_kernel_options(self, system, profile, distro, image, arch,
kickstart_path):
"""
Builds the full kernel options line.
"""
if system is not None:
blended = utils.blender(self.api, False, system)
elif profile is not None:
blended = utils.blender(self.api, False, profile)
else:
blended = utils.blender(self.api, False, image)
append_line = ""
kopts = blended.get("kernel_options", dict())
# support additional initrd= entries in kernel options.
if "initrd" in kopts:
append_line = ",%s" % kopts.pop("initrd")
hkopts = utils.hash_to_string(kopts)
append_line = "%s %s" % (append_line, hkopts)
# FIXME - the append_line length limit is architecture specific
# TODO: why is this checked here, before we finish adding everything?
if len(append_line) >= 255:
self.logger.warning("warning: kernel option length exceeds 255")
# kickstart path rewriting (get URLs for local files)
if kickstart_path is not None and kickstart_path != "":
# FIXME: need to make shorter rewrite rules for these URLs
try:
ipaddress = socket.gethostbyname_ex(blended["http_server"])[2][0]
except socket.gaierror:
ipaddress = blended["http_server"]
if system is not None and kickstart_path.startswith("/"):
kickstart_path = "http://%s/cblr/svc/op/ks/system/%s" % (ipaddress, system.name)
elif kickstart_path.startswith("/"):
kickstart_path = "http://%s/cblr/svc/op/ks/profile/%s" % (ipaddress, profile.name)
if distro.breed is None or distro.breed == "redhat":
append_line = "%s ks=%s" % (append_line, kickstart_path)
elif distro.breed == "suse":
append_line = "%s autoyast=%s" % (append_line, kickstart_path)
elif distro.breed == "debian" or distro.breed == "ubuntu":
append_line = "%s auto url=%s" % (append_line, kickstart_path)
# rework kernel options for debian distros
translations = { 'ksdevice':"interface" , 'lang':"locale" }
for k,v in translations.iteritems():
append_line = append_line.replace("%s="%k,"%s="%v)
# interface=bootif causes a failure
append_line = append_line.replace("interface=bootif","")
elif distro.breed == "vmware":
if distro.os_version.find("esxi") != -1:
# ESXi is very picky, it's easier just to redo the
# entire append line here since
append_line = " ks=%s %s" % (kickstart_path, hkopts)
# ESXi likes even fewer options, so we remove them too
append_line = append_line.replace("kssendmac","")
else:
append_line = "%s vmkopts=debugLogToSerial:1 mem=512M ks=%s" % \
(append_line, kickstart_path)
# interface=bootif causes a failure
append_line = append_line.replace("ksdevice=bootif","")
if distro is not None and (distro.breed in [ "debian", "ubuntu" ]):
# Hostname is required as a parameter, the one in the preseed is
# not respected, so calculate if we have one here.
# We're trying: first part of FQDN in hostname field, then system
# name, then profile name.
# In Ubuntu, this is at least used for the volume group name when
# using LVM.
domain = "local.lan"
if system is not None:
if system.hostname is not None and system.hostname != "":
# If this is a FQDN, grab the first bit
hostname = system.hostname.split(".")[0]
_domain = system.hostname.split(".")[1:]
if _domain:
domain = ".".join( _domain )
else:
hostname = system.name
else:
# Profile names can contain underscores while hostnames can't.
# If the hostname is obtained from the profile name, then the
# underscores (if any) will be replaced with a dash.
hostname = profile.name.replace("_","-")
# At least for debian deployments configured for DHCP networking
# this values are not used, but specifying here avoids questions
append_line = "%s hostname=%s" % (append_line, hostname)
append_line = "%s domain=%s" % (append_line, domain)
# A similar issue exists with suite name, as installer requires
# the existence of "stable" in the dists directory
append_line = "%s suite=%s" % (append_line, distro.os_version)
# append necessary kernel args for arm architectures
if arch is not None and arch.startswith("arm"):
append_line = "%s fixrtc vram=48M omapfb.vram=0:24M" % append_line
return append_line
def write_templates(self,obj,write_file=False,path=None):
"""
A semi-generic function that will take an object
with a template_files hash {source:destiation}, and
generate a rendered file. The write_file option
allows for generating of the rendered output without
actually creating any files.
The return value is a hash of the destination file
names (after variable substitution is done) and the
data in the file.
"""
results = {}
try:
templates = obj.template_files
except:
return results
blended = utils.blender(self.api, False, obj)
ksmeta = blended.get("ks_meta",{})
try:
del blended["ks_meta"]
except:
pass
blended.update(ksmeta) # make available at top level
templates = blended.get("template_files",{})
try:
del blended["template_files"]
except:
pass
blended.update(templates) # make available at top level
(success, templates) = utils.input_string_or_hash(templates)
if not success:
return results
for template in templates.keys():
dest = templates[template]
if dest is None:
continue
# Run the source and destination files through
# templar first to allow for variables in the path
template = self.templar.render(template, blended, None).strip()
dest = self.templar.render(dest, blended, None).strip()
# Get the path for the destination output
dest_dir = os.path.dirname(dest)
# If we're looking for a single template, skip if this ones
# destination is not it.
if not path is None and path != dest:
continue
# If we are writing output to a file, force all templated
# configs into the rendered directory to ensure that a user
# granted cobbler privileges via sudo can't overwrite
# arbitrary system files (This also makes cleanup easier).
if os.path.isabs(dest_dir):
if write_file:
raise CX(" warning: template destination (%s) is an absolute path, skipping." % dest_dir)
continue
else:
dest_dir = os.path.join(self.settings.webdir, "rendered", dest_dir)
dest = os.path.join(dest_dir, os.path.basename(dest))
if not os.path.exists(dest_dir):
utils.mkdir(dest_dir)
# Check for problems
if not os.path.exists(template):
raise CX("template source %s does not exist" % template)
continue
elif write_file and not os.path.isdir(dest_dir):
raise CX("template destination (%s) is invalid" % dest_dir)
continue
elif write_file and os.path.exists(dest):
raise CX("template destination (%s) already exists" % dest)
continue
elif write_file and os.path.isdir(dest):
raise CX("template destination (%s) is a directory" % dest)
continue
elif template == "" or dest == "":
raise CX("either the template source or destination was blank (unknown variable used?)" % dest)
continue
template_fh = open(template)
template_data = template_fh.read()
template_fh.close()
buffer = self.templar.render(template_data, blended, None)
results[dest] = buffer
if write_file:
self.logger.info("generating: %s" % dest)
fd = open(dest, "w")
fd.write(buffer)
fd.close()
return results
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