/usr/lib/python2.7/dist-packages/cobbler/modules/manage_isc.py is in python-cobbler 2.4.1-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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This is some of the code behind 'cobbler sync'.
Copyright 2006-2009, Red Hat, Inc and Others
Michael DeHaan <michael.dehaan AT gmail>
John Eckersberg <jeckersb@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 time
import glob
import traceback
import errno
import utils
from cexceptions import *
import templar
import item_distro
import item_profile
import item_repo
import item_system
from utils import _
def register():
"""
The mandatory cobbler module registration hook.
"""
return "manage"
class IscManager:
def what(self):
return "isc"
def __init__(self,config,logger):
"""
Constructor
"""
self.logger = logger
self.config = config
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.templar = templar.Templar(config)
self.settings_file = utils.dhcpconf_location(self.api)
def write_dhcp_file(self):
"""
DHCP files are written when manage_dhcp is set in
/var/lib/cobbler/settings.
"""
template_file = "/etc/cobbler/dhcp.template"
blender_cache = {}
try:
f2 = open(template_file,"r")
except:
raise CX(_("error reading template: %s") % template_file)
template_data = ""
template_data = f2.read()
f2.close()
# use a simple counter for generating generic names where a hostname
# is not available
counter = 0
# we used to just loop through each system, but now we must loop
# through each network interface of each system.
dhcp_tags = { "default": {} }
elilo = "/elilo-3.6-ia64.efi"
yaboot = "/yaboot-1.3.14"
for system in self.systems:
if not system.is_management_supported(cidr_ok=False):
continue
profile = system.get_conceptual_parent()
distro = profile.get_conceptual_parent()
# if distro is None then the profile is really an image
# record!
for (name, interface) in system.interfaces.iteritems():
# this is really not a per-interface setting
# but we do this to make the templates work
# without upgrade
interface["gateway"] = system.gateway
mac = interface["mac_address"]
if interface["interface_type"] in ("slave","bond_slave","bridge_slave","bonded_bridge_slave"):
if interface["interface_master"] not in system.interfaces:
# Can't write DHCP entry; master interface does not
# exist
continue
ip = system.interfaces[interface["interface_master"]]["ip_address"]
interface["ip_address"] = ip
host = system.interfaces[interface["interface_master"]]["dns_name"]
else:
ip = interface["ip_address"]
host = interface["dns_name"]
if distro is not None:
interface["distro"] = distro.to_datastruct()
if mac is None or mac == "":
# can't write a DHCP entry for this system
continue
counter = counter + 1
# the label the entry after the hostname if possible
if host is not None and host != "":
if name != "eth0":
interface["name"] = "%s-%s" % (host,name)
else:
interface["name"] = "%s" % (host)
else:
interface["name"] = "generic%d" % counter
# add references to the system, profile, and distro
# for use in the template
if blender_cache.has_key(system.name):
blended_system = blender_cache[system.name]
else:
blended_system = utils.blender( self.api, False, system )
blender_cache[system.name] = blended_system
interface["next_server"] = blended_system["server"]
interface["netboot_enabled"] = blended_system["netboot_enabled"]
interface["hostname"] = blended_system["hostname"]
interface["owner"] = blended_system["name"]
interface["enable_gpxe"] = blended_system["enable_gpxe"]
if not interface["netboot_enabled"] and interface['static']:
continue
interface["filename"] = "/pxelinux.0"
# can't use pxelinux.0 anymore
if distro is not None:
if distro.arch == "ia64":
interface["filename"] = elilo
elif distro.arch.startswith("ppc"):
interface["filename"] = yaboot
dhcp_tag = interface["dhcp_tag"]
if dhcp_tag == "":
dhcp_tag = "default"
if not dhcp_tags.has_key(dhcp_tag):
dhcp_tags[dhcp_tag] = {
mac: interface
}
else:
dhcp_tags[dhcp_tag][mac] = interface
# we are now done with the looping through each interface of each system
metadata = {
"date" : time.asctime(time.gmtime()),
"cobbler_server" : "%s:%s" % (self.settings.server,self.settings.http_port),
"next_server" : self.settings.next_server,
"elilo" : elilo,
"yaboot" : yaboot,
"dhcp_tags" : dhcp_tags
}
if self.logger is not None:
self.logger.info("generating %s" % self.settings_file)
self.templar.render(template_data, metadata, self.settings_file, None)
def regen_ethers(self):
pass # ISC/BIND do not use this
def get_manager(config,logger):
return IscManager(config,logger)
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