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 samba.tests
  37
  38 class DrsFsmoTestCase(samba.tests.TestCase):
  39
  40     # RootDSE msg for DC1
  41     info_dc1 = None
  42     ldb_dc1 = None
  43     # RootDSE msg for DC1
  44     info_dc2 = None
  45     ldb_dc2 = None
  46
  47     def setUp(self):
  48         super(DrsFsmoTestCase, self).setUp()
  49
  50         # we have to wait for the replication before we make the check
  51         self.fsmo_wait_max_time = 20
  52         self.fsmo_wait_sleep_time = 0.2
  53         # connect to DCs singleton
  54         if self.ldb_dc1 is None:
  55             DrsFsmoTestCase.dc1 = samba.tests.env_get_var_value("DC1")
  56             DrsFsmoTestCase.ldb_dc1 = samba.tests.connect_samdb(self.dc1, ldap_only=True)
  57         if self.ldb_dc2 is None:
  58             DrsFsmoTestCase.dc2 = samba.tests.env_get_var_value("DC2")
  59             DrsFsmoTestCase.ldb_dc2 = samba.tests.connect_samdb(self.dc2, ldap_only=True)
  60
  61         # fetch rootDSEs
  62         if self.info_dc1 is None:
  63             ldb = self.ldb_dc1
  64             res = ldb.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"])
  65             self.assertEquals(len(res), 1)
  66             DrsFsmoTestCase.info_dc1 = res[0]
  67         if self.info_dc2 is None:
  68             ldb = self.ldb_dc2
  69             res = ldb.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"])
  70             self.assertEquals(len(res), 1)
  71             DrsFsmoTestCase.info_dc2 = res[0]
  72
  73         # cache some of RootDSE props
  74         self.schema_dn = self.info_dc1["schemaNamingContext"][0]
  75         self.domain_dn = self.info_dc1["defaultNamingContext"][0]
  76         self.config_dn = self.info_dc1["configurationNamingContext"][0]
  77         self.dsServiceName_dc1 = self.info_dc1["dsServiceName"][0]
  78         self.dsServiceName_dc2 = self.info_dc2["dsServiceName"][0]
  79         self.infrastructure_dn = "CN=Infrastructure," + self.domain_dn
  80         self.naming_dn = "CN=Partitions," + self.config_dn
  81         self.rid_dn = "CN=RID Manager$,CN=System," + self.domain_dn
  82
  83         # we will need DCs DNS names for 'net fsmo' command
  84         self.dnsname_dc1 = self.info_dc1["dnsHostName"][0]
  85         self.dnsname_dc2 = self.info_dc2["dnsHostName"][0]
  86
  87     def tearDown(self):
  88         super(DrsFsmoTestCase, self).tearDown()
  89
  90     def _net_fsmo_role_transfer(self, DC, role):
  91         # find out where is samba-tool command
  92         net_cmd = os.path.abspath("./bin/samba-tool")
  93         # make command line credentials string
  94         creds = self.get_credentials()
  95         cmd_line_auth = "-U%s/%s%%%s" % (creds.get_domain(),
  96                                          creds.get_username(), creds.get_password())
  97         # bin/samba-tool fsmo transfer --role=role --host=ldap://DC:389
  98         cmd_line = "%s fsmo transfer --role=%s --host=ldap://%s:389 %s" % (net_cmd, role, DC,
  99                                                                            cmd_line_auth)
 100         ret = os.system(cmd_line)
 101         self.assertEquals(ret, 0, "Transferring role %s to %s has failed!" % (role, DC))
 102
 103     def _wait_for_role_transfer(self, ldb_dc, role_dn, master):
 104         """Wait for role transfer for certain amount of time
 105
 106         :return: (Result=True|False, CurrentMasterDnsName) tuple
 107         """
 108         cur_master = ''
 109         retries = int(self.fsmo_wait_max_time / self.fsmo_wait_sleep_time) + 1
 110         for i in range(0, retries):
 111             # check if master has been transfered
 112             res = ldb_dc.search(role_dn,
 113                                 scope=SCOPE_BASE, attrs=["fSMORoleOwner"])
 114             assert len(res) == 1, "Only one fSMORoleOwner value expected!"
 115             cur_master = res[0]["fSMORoleOwner"][0]
 116             if master == cur_master:
 117                 return (True, cur_master)
 118             # skip last sleep, if no need to wait anymore
 119             if i != (retries - 1):
 120                 # wait a little bit before next retry
 121                 time.sleep(self.fsmo_wait_sleep_time)
 122         return (False, cur_master)
 123
 124     def _role_transfer(self, role, role_dn):
 125         """Triggers transfer of role from DC1 to DC2
 126            and vice versa so the role goes back to the original dc"""
 127         # dc2 gets the role from dc1
 128         print "Testing for %s role transfer from %s to %s" % (role, self.dnsname_dc1, self.dnsname_dc2)
 129
 130         self._net_fsmo_role_transfer(DC=self.dnsname_dc2, role=role)
 131         # check if the role is transfered
 132         (res, master) = self._wait_for_role_transfer(ldb_dc=self.ldb_dc2,
 133                                                      role_dn=role_dn,
 134                                                      master=self.dsServiceName_dc2)
 135         self.assertTrue(res,
 136                         "Transferring %s role to %s has failed, master is: %s!"%(role, self.dsServiceName_dc2, master))
 137
 138         # dc1 gets back the role from dc2
 139         print "Testing for %s role transfer from %s to %s" % (role, self.dnsname_dc2, self.dnsname_dc1)
 140         self._net_fsmo_role_transfer(DC=self.dnsname_dc1, role=role)
 141         # check if the role is transfered
 142         (res, master) = self._wait_for_role_transfer(ldb_dc=self.ldb_dc1,
 143                                                      role_dn=role_dn,
 144                                                      master=self.dsServiceName_dc1)
 145         self.assertTrue(res,
 146                         "Transferring %s role to %s has failed, master is: %s!"%(role, self.dsServiceName_dc1, master))
 147
 148     def test_SchemaMasterTransfer(self):
 149         self._role_transfer(role="schema", role_dn=self.schema_dn)
 150
 151     def test_InfrastructureMasterTransfer(self):
 152         self._role_transfer(role="infrastructure", role_dn=self.infrastructure_dn)
 153
 154     def test_PDCMasterTransfer(self):
 155         self._role_transfer(role="pdc", role_dn=self.domain_dn)
 156
 157     def test_RIDMasterTransfer(self):
 158         self._role_transfer(role="rid", role_dn=self.rid_dn)
 159
 160     def test_NamingMasterTransfer(self):
 161         self._role_transfer(role="naming", role_dn=self.naming_dn)
 162