source4/scripting/bin/findprovisionusnranges

   1 #!/usr/bin/env python
   2 #
   3 # Helper for determining USN ranges created of modified by provision and
   4 # upgradeprovision.
   5 # Copyright (C) Matthieu Patou <mat@matws.net> 2009-2011
   6 #
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 import sys
  23 import optparse
  24 sys.path.insert(0, "bin/python")
  25
  26 from samba.credentials import DONT_USE_KERBEROS
  27 from samba.auth import system_session
  28 from samba import Ldb
  29 import ldb
  30
  31 import samba.getopt as options
  32 from samba import param
  33 from samba.upgradehelpers import get_paths, print_provision_ranges, findprovisionrange
  34 from samba.ndr import ndr_unpack
  35 from samba.dcerpc import misc
  36
  37 parser = optparse.OptionParser("provision [options]")
  38 sambaopts = options.SambaOptions(parser)
  39 parser.add_option_group(sambaopts)
  40 parser.add_option_group(options.VersionOptions(parser))
  41 parser.add_option("--storedir", type="string", help="Directory where to store result files")
  42 credopts = options.CredentialsOptions(parser)
  43 parser.add_option_group(credopts)
  44 opts = parser.parse_args()[0]
  45 lp = sambaopts.get_loadparm()
  46 smbconf = lp.configfile
  47
  48 creds = credopts.get_credentials(lp)
  49 creds.set_kerberos_state(DONT_USE_KERBEROS)
  50 session = system_session()
  51 paths = get_paths(param, smbconf=smbconf)
  52 basedn="DC=" + lp.get("realm").replace(".",",DC=")
  53 samdb = Ldb(paths.samdb, session_info=session, credentials=creds,lp=lp)
  54
  55 res = samdb.search(base="", scope=ldb.SCOPE_BASE, attrs=["dsServiceName"])
  56
  57 invocation = None
  58 if res and len(res) == 1 and res[0]["dsServiceName"] != None:
  59     dn = ldb.Dn(samdb, str(res[0]["dsServiceName"]))
  60     res = samdb.search(base=str(dn), scope=ldb.SCOPE_BASE, attrs=["invocationId"],
  61                         controls=["search_options:1:2"])
  62
  63     if res and len(res) == 1 and res[0]["invocationId"]:
  64         invocation = str(ndr_unpack(misc.GUID, res[0]["invocationId"][0]))
  65     else:
  66         print "Unable to find invocation ID"
  67         sys.exit(1)
  68 else:
  69     print "Unable to find attribute dsServiceName in rootDSE"
  70     sys.exit(1)
  71
  72 minobj = 5
  73 (hash_id, nb_obj) = findprovisionrange(samdb, basedn)
  74 print "Here is a list of changes that modified more than %d objects in 1 minute." % minobj
  75 print "Usually changes made by provision and upgradeprovision are those who affect a couple"\
  76         " of hundred of objects or more"
  77 print "Total number of objects: %d" % nb_obj
  78 print
  79
  80 print_provision_ranges(hash_id, minobj, opts.storedir, str(paths.samdb), invocation)