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# Mod Python service functions for Cobbler's public interface
# (aka cool stuff that works with wget)
#
# Copyright 2007 Albert P. Tobey <tobert@gmail.com>
# additions: 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 exceptions
import xmlrpclib
import os
import traceback
import string
import sys
import time
import urlgrabber
def log_exc(apache):
"""
Log active traceback to logfile.
"""
(t, v, tb) = sys.exc_info()
apache.log_error("Exception occured: %s" % t )
apache.log_error("Exception value: %s" % v)
apache.log_error("Exception Info:\n%s" % string.join(traceback.format_list(traceback.extract_tb(tb))))
class CobblerSvc(object):
"""
Interesting mod python functions are all keyed off the parameter
mode, which defaults to index. All options are passed
as parameters into the function.
"""
def __init__(self, server=None, apache=None, req=None):
self.server = server
self.apache = apache
self.remote = None
self.req = req
def __xmlrpc_setup(self):
"""
Sets up the connection to the Cobbler XMLRPC server.
This is the version that does not require logins.
"""
if self.remote is None:
self.remote = xmlrpclib.Server(self.server, allow_none=True)
self.remote.update()
def modes(self):
"""
Returns a list of methods in this object that can be run as web
modes.
"""
retval = list()
for m in dir(self):
func = getattr( self, m )
if hasattr(func, 'exposed') and getattr(func,'exposed'):
retval.append(m)
return retval
def index(self,**args):
return "no mode specified"
def ks(self,profile=None,system=None,REMOTE_ADDR=None,REMOTE_MAC=None,**rest):
"""
Generate kickstart files...
"""
self.__xmlrpc_setup()
data = self.remote.generate_kickstart(profile,system,REMOTE_ADDR,REMOTE_MAC)
return u"%s" % data
def trig(self,mode="?",profile=None,system=None,REMOTE_ADDR=None,**rest):
"""
Hook to call install triggers.
"""
self.__xmlrpc_setup()
ip = REMOTE_ADDR
if profile:
rc = self.remote.run_install_triggers(mode,"profile",profile,ip)
else:
rc = self.remote.run_install_triggers(mode,"system",system,ip)
return str(rc)
def nopxe(self,system=None,**rest):
self.__xmlrpc_setup()
return str(self.remote.disable_netboot(system))
def autodetect(self,**rest):
self.__xmlrpc_setup()
systems = self.remote.get_systems()
# 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.
macinput = rest["REMOTE_MAC"]
if macinput is not None:
# FIXME: will not key off other NICs, problem?
mac = macinput.split()[1].strip()
else:
macinput = "None"
ip = rest["REMOTE_ADDR"]
candidates = []
for x in systems:
for y in x["interfaces"]:
if x["interfaces"][y]["mac_address"].lower() == macinput.lower():
candidates.append(x)
if len(candidates) == 0:
for x in systems:
for y in x["interfaces"]:
if x["interfaces"][y]["ip_address"] == ip:
candidates.append(x)
if len(candidates) == 0:
return "FAILED: no match (%s,%s)" % (ip, macinput)
elif len(candidates) > 1:
return "FAILED: multiple matches"
elif len(candidates) == 1:
return candidates[0]["name"]
def look(self,**rest):
# debug only
return repr(rest)
def findks(self,system=None,profile=None,**rest):
self.__xmlrpc_setup()
serverseg = self.server.replace("http://","")
serverseg = self.server.replace("/cobbler_api","")
name = "?"
type = "system"
if system is not None:
url = "%s/cblr/svc/op/ks/system/%s" % (serverseg, name)
elif profile is not None:
url = "%s/cblr/svc/op/ks/system/%s" % (serverseg, name)
else:
name = self.autodetect(**rest)
if name.startswith("FAILED"):
return "# autodetection %s" % name
url = "%s/cblr/svc/op/ks/system/%s" % (serverseg, name)
try:
return urlgrabber.urlread(url)
except:
return "# kickstart retrieval failed (%s)" % url
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