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authorMatthieu Patou <mat@matws.net>2009-09-18 15:55:57 +0400
committerMatthias Dieter Wallnöfer <mwallnoefer@yahoo.de>2009-09-18 16:30:20 +0200
commit11a7842854c0be8c427a2dbf0a8fc3761cda6298 (patch)
tree8987f87b8b28079acfb0bf15b26c4d578c0ce447 /source4/scripting/bin/reorgldb.py
parent89f5df6fa7cca1aaec81e29b8777bab5b4068003 (diff)
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python: create a script for reorgnizing an LDB file.
This script helps to reclaim waisted place.
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+#!/usr/bin/python
+#
+# Copyright (C) Matthieu Patou <mat@matws.net> 2009
+# This script realize an offline reorganisation of an LDB
+# file it helps to reduce (sometime drastically) the
+# size of LDB files.
+import sys
+import optparse
+import os
+sys.path.insert(0, "bin/python")
+
+import samba
+from samba.credentials import DONT_USE_KERBEROS
+from samba.auth import system_session
+from samba import Ldb, substitute_var, valid_netbios_name, check_all_substituted
+from ldb import SCOPE_SUBTREE, SCOPE_ONELEVEL, SCOPE_BASE, LdbError
+import ldb
+import samba.getopt as options
+from samba.samdb import SamDB
+from samba import param
+from samba.provision import ProvisionPaths, ProvisionNames,provision_paths_from_lp, Schema
+
+parser = optparse.OptionParser("provision [options]")
+sambaopts = options.SambaOptions(parser)
+parser.add_option_group(sambaopts)
+parser.add_option_group(options.VersionOptions(parser))
+credopts = options.CredentialsOptions(parser)
+parser.add_option_group(credopts)
+parser.add_option("--database", type="string", metavar="FILE",
+ help="LDB to reorganize")
+opts = parser.parse_args()[0]
+lp = sambaopts.get_loadparm()
+smbconf = lp.configfile
+
+if not opts.database:
+ print "Parameter database is mandatory"
+ sys.exit(1)
+creds = credopts.get_credentials(lp)
+creds.set_kerberos_state(DONT_USE_KERBEROS)
+session = system_session()
+empty = ldb.Message()
+newname="%s.new"%(opts.database)
+if os.path.exists(newname):
+ os.remove(newname)
+old_ldb = Ldb(opts.database, session_info=session, credentials=creds,lp=lp)
+new_ldb = Ldb(newname,session_info=session, credentials=creds,lp=lp)
+
+new_ldb.transaction_start()
+res = old_ldb.search(expression="(dn=*)",base="", scope=SCOPE_SUBTREE)
+for i in range(0,len(res)):
+ if str(res[i].dn) == "@BASEINFO":
+ continue
+ if str(res[i].dn).startswith("@INDEX:"):
+ continue
+ delta = new_ldb.msg_diff(empty,res[i])
+ delta.dn = res[i].dn
+ delta.remove("distinguishedName")
+ new_ldb.add(delta)
+
+new_ldb.transaction_commit()