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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Unix SMB/CIFS implementation.
# Copyright (C) Anatoliy Atanasov <anatoliy.atanasov@postpath.com> 2010
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
# Usage:
# export DC1=dc1_dns_name
# export DC2=dc2_dns_name
# export SUBUNITRUN=$samba4srcdir/scripting/bin/subunitrun
# PYTHONPATH="$PYTHONPATH:$samba4srcdir/torture/drs/python" $SUBUNITRUN fsmo -U"$DOMAIN/$DC_USERNAME"%"$DC_PASSWORD"
#
import sys
import time
import os
sys.path.append("bin/python")
from ldb import SCOPE_BASE
import samba.tests
class DrsFsmoTestCase(samba.tests.TestCase):
# RootDSE msg for DC1
info_dc1 = None
ldb_dc1 = None
# RootDSE msg for DC1
info_dc2 = None
ldb_dc2 = None
def setUp(self):
super(DrsFsmoTestCase, self).setUp()
# we have to wait for the replication before we make the check
self.fsmo_wait_max_time = 20
self.fsmo_wait_sleep_time = 0.2
# connect to DCs singleton
if self.ldb_dc1 is None:
DrsFsmoTestCase.dc1 = samba.tests.env_get_var_value("DC1")
DrsFsmoTestCase.ldb_dc1 = samba.tests.connect_samdb(self.dc1, ldap_only=True)
if self.ldb_dc2 is None:
DrsFsmoTestCase.dc2 = samba.tests.env_get_var_value("DC2")
DrsFsmoTestCase.ldb_dc2 = samba.tests.connect_samdb(self.dc2, ldap_only=True)
# fetch rootDSEs
if self.info_dc1 is None:
ldb = self.ldb_dc1
res = ldb.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"])
self.assertEquals(len(res), 1)
DrsFsmoTestCase.info_dc1 = res[0]
if self.info_dc2 is None:
ldb = self.ldb_dc2
res = ldb.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"])
self.assertEquals(len(res), 1)
DrsFsmoTestCase.info_dc2 = res[0]
# cache some of RootDSE props
self.schema_dn = self.info_dc1["schemaNamingContext"][0]
self.domain_dn = self.info_dc1["defaultNamingContext"][0]
self.config_dn = self.info_dc1["configurationNamingContext"][0]
self.dsServiceName_dc1 = self.info_dc1["dsServiceName"][0]
self.dsServiceName_dc2 = self.info_dc2["dsServiceName"][0]
self.infrastructure_dn = "CN=Infrastructure," + self.domain_dn
self.naming_dn = "CN=Partitions," + self.config_dn
self.rid_dn = "CN=RID Manager$,CN=System," + self.domain_dn
# we will need DCs DNS names for 'net fsmo' command
self.dnsname_dc1 = self.info_dc1["dnsHostName"][0]
self.dnsname_dc2 = self.info_dc2["dnsHostName"][0]
pass
def tearDown(self):
super(DrsFsmoTestCase, self).tearDown()
def _net_fsmo_role_transfer(self, DC, role):
# find out where is samba-tool command
net_cmd = os.path.abspath("./bin/samba-tool")
# make command line credentials string
creds = self.get_credentials()
cmd_line_auth = "-U%s/%s%%%s" % (creds.get_domain(),
creds.get_username(), creds.get_password())
# bin/samba-tool fsmo transfer --role=role --host=ldap://DC:389
cmd_line = "%s fsmo transfer --role=%s --host=ldap://%s:389 %s" % (net_cmd, role, DC,
cmd_line_auth)
ret = os.system(cmd_line)
self.assertEquals(ret, 0, "Transferring role %s to %s has failed!" % (role, DC))
pass
def _wait_for_role_transfer(self, ldb_dc, role_dn, master):
"""Wait for role transfer for certain amount of time
:return: (Result=True|False, CurrentMasterDnsName) tuple
"""
cur_master = ''
retries = int(self.fsmo_wait_max_time / self.fsmo_wait_sleep_time) + 1
for i in range(0, retries):
# check if master has been transfered
res = ldb_dc.search(role_dn,
scope=SCOPE_BASE, attrs=["fSMORoleOwner"])
assert len(res) == 1, "Only one fSMORoleOwner value expected!"
cur_master = res[0]["fSMORoleOwner"][0]
if master == cur_master:
return (True, cur_master)
# skip last sleep, if no need to wait anymore
if i != (retries - 1):
# wait a little bit before next retry
time.sleep(self.fsmo_wait_sleep_time)
return (False, cur_master)
def _role_transfer(self, role, role_dn):
"""Triggers transfer of role from DC1 to DC2
and vice versa so the role goes back to the original dc"""
# dc2 gets the role from dc1
print "Testing for %s role transfer from %s to %s" % (role, self.dnsname_dc1, self.dnsname_dc2)
self._net_fsmo_role_transfer(DC=self.dnsname_dc2, role=role)
# check if the role is transfered
(res, master) = self._wait_for_role_transfer(ldb_dc=self.ldb_dc2,
role_dn=role_dn,
master=self.dsServiceName_dc2)
self.assertTrue(res,
"Transferring %s role to %s has failed, master is: %s!"%(role, self.dsServiceName_dc2, master))
# dc1 gets back the role from dc2
print "Testing for %s role transfer from %s to %s" % (role, self.dnsname_dc2, self.dnsname_dc1)
self._net_fsmo_role_transfer(DC=self.dnsname_dc1, role=role)
# check if the role is transfered
(res, master) = self._wait_for_role_transfer(ldb_dc=self.ldb_dc1,
role_dn=role_dn,
master=self.dsServiceName_dc1)
self.assertTrue(res,
"Transferring %s role to %s has failed, master is: %s!"%(role, self.dsServiceName_dc1, master))
pass
def test_SchemaMasterTransfer(self):
self._role_transfer(role="schema", role_dn=self.schema_dn)
pass
def test_InfrastructureMasterTransfer(self):
self._role_transfer(role="infrastructure", role_dn=self.infrastructure_dn)
pass
def test_PDCMasterTransfer(self):
self._role_transfer(role="pdc", role_dn=self.domain_dn)
pass
def test_RIDMasterTransfer(self):
self._role_transfer(role="rid", role_dn=self.rid_dn)
pass
def test_NamingMasterTransfer(self):
self._role_transfer(role="naming", role_dn=self.naming_dn)
pass
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