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#!/usr/bin/env python
# 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.
# based on:
# Cobbler ks-serving script
# July 5 2007
# Adam Wolf <adamwolf@feelslikeburning.com>
# http://feelslikeburning.com/projects/live-cd-restoring-with-cobbler/
import cgi
import cgitb
import time
import os
import sys
import socket
import xmlrpclib
COBBLER_BASE = "/var/www/cobbler"
XMLRPC_SERVER = "http://127.0.0.1:25151"
#----------------------------------------------------------------------
class ServerProxy(xmlrpclib.ServerProxy):
def __init__(self, url=None):
xmlrpclib.ServerProxy.__init__(self, url, allow_none=True)
#----------------------------------------------------------------------
def parse_query():
form = cgi.parse()
if form.has_key("system"):
name = form["system"][0]
type = "system"
elif form.has_key("profile"):
name = form["profile"][0]
type = "profile"
else:
type = "system"
name = autodetect()
return (name,type)
#----------------------------------------------------------------------
def autodetect():
# connect to cobblerd and get the list of systems
try:
xmlrpc_server = ServerProxy(XMLRPC_SERVER)
systems = xmlrpc_server.get_systems()
except:
print "# could not contact cobblerd at %s" % XMLRPC_SERVER
sys.exit(1)
# if kssendmac was in the kernel options line, see
# if a system can be found matching the MAC address. This
# is more specific than an IP match.
if os.environ.has_key("HTTP_X_RHN_PROVISIONING_MAC_0"):
# FIXME: will not key off other NICs
devicepair = os.environ["HTTP_X_RHN_PROVISIONING_MAC_0"]
mac = devicepair.split()[1].strip()
# mac is the macaddress of the first nic reported by anaconda
candidates = [system['name'] for system in systems if system['mac_address'].lower() == mac.lower()]
if len(candidates) == 0:
print "# no system entries with MAC %s found" % mac
print "# trying IP lookup"
elif len(candidates) > 1:
print "# multiple system entries with MAC %s found" % mac
sys.exit(1)
elif len(candidates) == 1:
print "# kickstart matched by MAC: %s" % mac
return candidates[0]
# attempt to match by the IP.
ip = os.environ["REMOTE_ADDR"]
candidates = [system['name'] for system in systems if system['ip_address'] == ip]
if len(candidates) == 0:
print "# no system entries with ip %s found" % ip
sys.exit(1)
elif len(candidates) > 1:
print "# multiple system entries with ip %s found" % ip
sys.exit(1)
elif len(candidates) == 1:
return candidates[0]
#----------------------------------------------------------------------
def serve_file(name):
# never hurts to be safe...
name = name.replace("/","")
name = name.replace("..","")
name = name.replace(";","")
if type == "system":
ks_path = "%s/kickstarts_sys/%s/ks.cfg" % (COBBLER_BASE, name)
elif type == "profile":
ks_path = "%s/kickstarts/%s/ks.cfg" % (COBBLER_BASE, name)
if not os.path.exists(ks_path):
print "# no such cobbler object"
sys.exit(1)
try:
ksfile = open(ks_path)
except:
print "# Cannot open file %s" % ks_path
sys.exit(1)
for line in ksfile:
print line.strip()
ksfile.close()
#----------------------------------------------------------------------
def header():
print "Content-type: text/plain"
print
print "# kickstart managed by Cobbler -- http://cobbler.et.redhat.com"
print "# served on %s" % time.ctime()
#----------------------------------------------------------------------
if __name__ == "__main__":
cgitb.enable(format='text')
header()
(name, type) = parse_query()
print "# %s %s" % (type,name)
print "# requestor ip = %s" % os.environ["REMOTE_ADDR"]
print "# ============================="
print " "
serve_file(name)
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