source4/torture/drs/python/fsmo.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3 #
   4 # Unix SMB/CIFS implementation.
   5 # Copyright (C) Anatoliy Atanasov <anatoliy.atanasov@postpath.com> 2010
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20 #
  21 # Usage:
  22 #  export DC1=dc1_dns_name
  23 #  export DC2=dc2_dns_name
  24 #  export SUBUNITRUN=$samba4srcdir/scripting/bin/subunitrun
  25 #  PYTHONPATH="$PYTHONPATH:$samba4srcdir/torture/drs/python" $SUBUNITRUN fsmo -U"$DOMAIN/$DC_USERNAME"%"$DC_PASSWORD"
  26 #
  27
  28 import sys
  29 import time
  30 import os
  31
  32 sys.path.insert(0, "bin/python")
  33
  34 from ldb import SCOPE_BASE
  35
  36 import drs_base
  37
  38 class DrsFsmoTestCase(drs_base.DrsBaseTestCase):
  39
  40     def setUp(self):
  41         super(DrsFsmoTestCase, self).setUp()
  42
  43         # we have to wait for the replication before we make the check
  44         self.fsmo_wait_max_time = 20
  45         self.fsmo_wait_sleep_time = 0.2
  46
  47         # cache some of RootDSE props
  48         self.dsServiceName_dc1 = self.info_dc1["dsServiceName"][0]
  49         self.dsServiceName_dc2 = self.info_dc2["dsServiceName"][0]
  50         self.infrastructure_dn = "CN=Infrastructure," + self.domain_dn
  51         self.naming_dn = "CN=Partitions," + self.config_dn
  52         self.rid_dn = "CN=RID Manager$,CN=System," + self.domain_dn
  53
  54     def tearDown(self):
  55         super(DrsFsmoTestCase, self).tearDown()
  56
  57     def _net_fsmo_role_transfer(self, DC, role):
  58         # find out where is samba-tool command
  59         net_cmd = os.path.abspath("./bin/samba-tool")
  60         # make command line credentials string
  61         creds = self.get_credentials()
  62         cmd_line_auth = "-U%s/%s%%%s" % (creds.get_domain(),
  63                                          creds.get_username(), creds.get_password())
  64         # bin/samba-tool fsmo transfer --role=role -H ldap://DC:389
  65         cmd_line = "%s fsmo transfer --role=%s -H ldap://%s:389 %s" % (net_cmd, role, DC,
  66                                                                            cmd_line_auth)
  67         ret = os.system(cmd_line)
  68         self.assertEquals(ret, 0, "Transferring role %s to %s has failed!" % (role, DC))
  69
  70     def _wait_for_role_transfer(self, ldb_dc, role_dn, master):
  71         """Wait for role transfer for certain amount of time
  72
  73         :return: (Result=True|False, CurrentMasterDnsName) tuple
  74         """
  75         cur_master = ''
  76         retries = int(self.fsmo_wait_max_time / self.fsmo_wait_sleep_time) + 1
  77         for i in range(0, retries):
  78             # check if master has been transfered
  79             res = ldb_dc.search(role_dn,
  80                                 scope=SCOPE_BASE, attrs=["fSMORoleOwner"])
  81             assert len(res) == 1, "Only one fSMORoleOwner value expected!"
  82             cur_master = res[0]["fSMORoleOwner"][0]
  83             if master == cur_master:
  84                 return (True, cur_master)
  85             # skip last sleep, if no need to wait anymore
  86             if i != (retries - 1):
  87                 # wait a little bit before next retry
  88                 time.sleep(self.fsmo_wait_sleep_time)
  89         return (False, cur_master)
  90
  91     def _role_transfer(self, role, role_dn):
  92         """Triggers transfer of role from DC1 to DC2
  93            and vice versa so the role goes back to the original dc"""
  94         # dc2 gets the role from dc1
  95         print "Testing for %s role transfer from %s to %s" % (role, self.dnsname_dc1, self.dnsname_dc2)
  96
  97         self._net_fsmo_role_transfer(DC=self.dnsname_dc2, role=role)
  98         # check if the role is transfered
  99         (res, master) = self._wait_for_role_transfer(ldb_dc=self.ldb_dc2,
 100                                                      role_dn=role_dn,
 101                                                      master=self.dsServiceName_dc2)
 102         self.assertTrue(res,
 103                         "Transferring %s role to %s has failed, master is: %s!"%(role, self.dsServiceName_dc2, master))
 104
 105         # dc1 gets back the role from dc2
 106         print "Testing for %s role transfer from %s to %s" % (role, self.dnsname_dc2, self.dnsname_dc1)
 107         self._net_fsmo_role_transfer(DC=self.dnsname_dc1, role=role)
 108         # check if the role is transfered
 109         (res, master) = self._wait_for_role_transfer(ldb_dc=self.ldb_dc1,
 110                                                      role_dn=role_dn,
 111                                                      master=self.dsServiceName_dc1)
 112         self.assertTrue(res,
 113                         "Transferring %s role to %s has failed, master is: %s!"%(role, self.dsServiceName_dc1, master))
 114
 115     def test_SchemaMasterTransfer(self):
 116         self._role_transfer(role="schema", role_dn=self.schema_dn)
 117
 118     def test_InfrastructureMasterTransfer(self):
 119         self._role_transfer(role="infrastructure", role_dn=self.infrastructure_dn)
 120
 121     def test_PDCMasterTransfer(self):
 122         self._role_transfer(role="pdc", role_dn=self.domain_dn)
 123
 124     def test_RIDMasterTransfer(self):
 125         self._role_transfer(role="rid", role_dn=self.rid_dn)
 126
 127     def test_NamingMasterTransfer(self):
 128         self._role_transfer(role="naming", role_dn=self.naming_dn)
 129