diff options
Diffstat (limited to 'source4/dsdb/tests/python/ad_dc_performance.py')
| -rw-r--r-- | source4/dsdb/tests/python/ad_dc_performance.py | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/source4/dsdb/tests/python/ad_dc_performance.py b/source4/dsdb/tests/python/ad_dc_performance.py new file mode 100644 index 0000000..b8863b5 --- /dev/null +++ b/source4/dsdb/tests/python/ad_dc_performance.py @@ -0,0 +1,340 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- + +import optparse +import sys +sys.path.insert(0, 'bin/python') + +import os +import samba +import samba.getopt as options +import random +import tempfile +import shutil +import time + +from samba.netcmd.main import samba_tool + +# We try to use the test infrastructure of Samba 4.3+, but if it +# doesn't work, we are probably in a back-ported patch and trying to +# run on 4.1 or something. +# +# Don't copy this horror into ordinary tests -- it is special for +# performance tests that want to apply to old versions. +try: + from samba.tests.subunitrun import SubunitOptions, TestProgram + ANCIENT_SAMBA = False +except ImportError: + ANCIENT_SAMBA = True + samba.ensure_external_module("testtools", "testtools") + samba.ensure_external_module("subunit", "subunit/python") + from subunit.run import SubunitTestRunner + import unittest + +from samba.samdb import SamDB +from samba.auth import system_session +from ldb import Message, MessageElement, Dn, LdbError +from ldb import FLAG_MOD_ADD, FLAG_MOD_DELETE +from ldb import SCOPE_SUBTREE + +parser = optparse.OptionParser("ad_dc_performance.py [options] <host>") +sambaopts = options.SambaOptions(parser) +parser.add_option_group(sambaopts) +parser.add_option_group(options.VersionOptions(parser)) + +if not ANCIENT_SAMBA: + subunitopts = SubunitOptions(parser) + parser.add_option_group(subunitopts) + +# use command line creds if available +credopts = options.CredentialsOptions(parser) +parser.add_option_group(credopts) +opts, args = parser.parse_args() + + +if len(args) < 1: + parser.print_usage() + sys.exit(1) + +host = args[0] + +lp = sambaopts.get_loadparm() +creds = credopts.get_credentials(lp) + +random.seed(1) + + +class PerfTestException(Exception): + pass + + +BATCH_SIZE = 1000 +N_GROUPS = 5 + + +class GlobalState(object): + next_user_id = 0 + n_groups = 0 + next_linked_user = 0 + next_relinked_user = 0 + next_linked_user_3 = 0 + next_removed_link_0 = 0 + + +class UserTests(samba.tests.TestCase): + + def add_if_possible(self, *args, **kwargs): + """In these tests sometimes things are left in the database + deliberately, so we don't worry if we fail to add them a second + time.""" + try: + self.ldb.add(*args, **kwargs) + except LdbError: + pass + + def setUp(self): + super(UserTests, self).setUp() + self.state = GlobalState # the class itself, not an instance + self.lp = lp + self.ldb = SamDB(host, credentials=creds, + session_info=system_session(lp), lp=lp) + self.base_dn = self.ldb.domain_dn() + self.ou = "OU=pid%s,%s" % (os.getpid(), self.base_dn) + self.ou_users = "OU=users,%s" % self.ou + self.ou_groups = "OU=groups,%s" % self.ou + self.ou_computers = "OU=computers,%s" % self.ou + + for dn in (self.ou, self.ou_users, self.ou_groups, + self.ou_computers): + self.add_if_possible({ + "dn": dn, + "objectclass": "organizationalUnit"}) + + def tearDown(self): + super(UserTests, self).tearDown() + + def test_00_00_do_nothing(self): + # this gives us an idea of the overhead + pass + + def _prepare_n_groups(self, n): + self.state.n_groups = n + for i in range(n): + self.add_if_possible({ + "dn": "cn=g%d,%s" % (i, self.ou_groups), + "objectclass": "group"}) + + def _add_users(self, start, end): + for i in range(start, end): + self.ldb.add({ + "dn": "cn=u%d,%s" % (i, self.ou_users), + "objectclass": "user"}) + + def _test_join(self): + tmpdir = tempfile.mkdtemp() + if '://' in host: + server = host.split('://', 1)[1] + else: + server = host + result = samba_tool('domain', 'join', + creds.get_realm(), + "dc", "-U%s%%%s" % (creds.get_username(), + creds.get_password()), + '--targetdir=%s' % tmpdir, + '--server=%s' % server) + self.assertIsNone(result) + + shutil.rmtree(tmpdir) + + def _test_unindexed_search(self): + expressions = [ + ('(&(objectclass=user)(description=' + 'Built-in account for adminstering the computer/domain))'), + '(description=Built-in account for adminstering the computer/domain)', + '(objectCategory=*)', + '(samaccountname=Administrator*)' + ] + for expression in expressions: + t = time.time() + for i in range(10): + self.ldb.search(self.ou, + expression=expression, + scope=SCOPE_SUBTREE, + attrs=['cn']) + print('%d %s took %s' % (i, expression, + time.time() - t), file=sys.stderr) + + def _test_indexed_search(self): + expressions = ['(objectclass=group)', + '(samaccountname=Administrator)' + ] + for expression in expressions: + t = time.time() + for i in range(100): + self.ldb.search(self.ou, + expression=expression, + scope=SCOPE_SUBTREE, + attrs=['cn']) + print('%d runs %s took %s' % (i, expression, + time.time() - t), file=sys.stderr) + + def _test_add_many_users(self, n=BATCH_SIZE): + s = self.state.next_user_id + e = s + n + self._add_users(s, e) + self.state.next_user_id = e + + test_00_00_join_empty_dc = _test_join + + test_00_01_adding_users_1000 = _test_add_many_users + test_00_02_adding_users_2000 = _test_add_many_users + test_00_03_adding_users_3000 = _test_add_many_users + + test_00_10_join_unlinked_dc = _test_join + test_00_11_unindexed_search_3k_users = _test_unindexed_search + test_00_12_indexed_search_3k_users = _test_indexed_search + + def _link_user_and_group(self, u, g): + m = Message() + m.dn = Dn(self.ldb, "CN=g%d,%s" % (g, self.ou_groups)) + m["member"] = MessageElement("cn=u%d,%s" % (u, self.ou_users), + FLAG_MOD_ADD, "member") + self.ldb.modify(m) + + def _unlink_user_and_group(self, u, g): + user = "cn=u%d,%s" % (u, self.ou_users) + group = "CN=g%d,%s" % (g, self.ou_groups) + m = Message() + m.dn = Dn(self.ldb, group) + m["member"] = MessageElement(user, FLAG_MOD_DELETE, "member") + self.ldb.modify(m) + + def _test_link_many_users(self, n=BATCH_SIZE): + self._prepare_n_groups(N_GROUPS) + s = self.state.next_linked_user + e = s + n + for i in range(s, e): + g = i % N_GROUPS + self._link_user_and_group(i, g) + self.state.next_linked_user = e + + test_01_01_link_users_1000 = _test_link_many_users + test_01_02_link_users_2000 = _test_link_many_users + test_01_03_link_users_3000 = _test_link_many_users + + def _test_link_many_users_offset_1(self, n=BATCH_SIZE): + s = self.state.next_relinked_user + e = s + n + for i in range(s, e): + g = (i + 1) % N_GROUPS + self._link_user_and_group(i, g) + self.state.next_relinked_user = e + + test_02_01_link_users_again_1000 = _test_link_many_users_offset_1 + test_02_02_link_users_again_2000 = _test_link_many_users_offset_1 + test_02_03_link_users_again_3000 = _test_link_many_users_offset_1 + + test_02_10_join_partially_linked_dc = _test_join + test_02_11_unindexed_search_partially_linked_dc = _test_unindexed_search + test_02_12_indexed_search_partially_linked_dc = _test_indexed_search + + def _test_link_many_users_3_groups(self, n=BATCH_SIZE, groups=3): + s = self.state.next_linked_user_3 + e = s + n + self.state.next_linked_user_3 = e + for i in range(s, e): + g = (i + 2) % groups + if g not in (i % N_GROUPS, (i + 1) % N_GROUPS): + self._link_user_and_group(i, g) + + test_03_01_link_users_again_1000_few_groups = _test_link_many_users_3_groups + test_03_02_link_users_again_2000_few_groups = _test_link_many_users_3_groups + test_03_03_link_users_again_3000_few_groups = _test_link_many_users_3_groups + + def _test_remove_links_0(self, n=BATCH_SIZE): + s = self.state.next_removed_link_0 + e = s + n + self.state.next_removed_link_0 = e + for i in range(s, e): + g = i % N_GROUPS + self._unlink_user_and_group(i, g) + + test_04_01_remove_some_links_1000 = _test_remove_links_0 + test_04_02_remove_some_links_2000 = _test_remove_links_0 + test_04_03_remove_some_links_3000 = _test_remove_links_0 + + # back to using _test_add_many_users + test_05_01_adding_users_after_links_4000 = _test_add_many_users + + # reset the link count, to replace the original links + def test_06_01_relink_users_1000(self): + self.state.next_linked_user = 0 + self._test_link_many_users() + + test_06_02_link_users_2000 = _test_link_many_users + test_06_03_link_users_3000 = _test_link_many_users + test_06_04_link_users_4000 = _test_link_many_users + test_06_05_link_users_again_4000 = _test_link_many_users_offset_1 + test_06_06_link_users_again_4000_few_groups = _test_link_many_users_3_groups + + test_07_01_adding_users_after_links_5000 = _test_add_many_users + + def _test_link_random_users_and_groups(self, n=BATCH_SIZE, groups=100): + self._prepare_n_groups(groups) + for i in range(n): + u = random.randrange(self.state.next_user_id) + g = random.randrange(groups) + try: + self._link_user_and_group(u, g) + except LdbError: + pass + + test_08_01_link_random_users_100_groups = _test_link_random_users_and_groups + test_08_02_link_random_users_100_groups = _test_link_random_users_and_groups + + test_10_01_unindexed_search_full_dc = _test_unindexed_search + test_10_02_indexed_search_full_dc = _test_indexed_search + test_11_02_join_full_dc = _test_join + + def test_20_01_delete_50_groups(self): + for i in range(self.state.n_groups - 50, self.state.n_groups): + self.ldb.delete("cn=g%d,%s" % (i, self.ou_groups)) + self.state.n_groups -= 50 + + def _test_delete_many_users(self, n=BATCH_SIZE): + e = self.state.next_user_id + s = max(0, e - n) + self.state.next_user_id = s + for i in range(s, e): + self.ldb.delete("cn=u%d,%s" % (i, self.ou_users)) + + test_21_01_delete_users_5000_lightly_linked = _test_delete_many_users + test_21_02_delete_users_4000_lightly_linked = _test_delete_many_users + test_21_03_delete_users_3000 = _test_delete_many_users + + def test_22_01_delete_all_groups(self): + for i in range(self.state.n_groups): + self.ldb.delete("cn=g%d,%s" % (i, self.ou_groups)) + self.state.n_groups = 0 + + test_23_01_delete_users_after_groups_2000 = _test_delete_many_users + test_23_00_delete_users_after_groups_1000 = _test_delete_many_users + + test_24_02_join_after_cleanup = _test_join + + +if "://" not in host: + if os.path.isfile(host): + host = "tdb://%s" % host + else: + host = "ldap://%s" % host + + +if ANCIENT_SAMBA: + runner = SubunitTestRunner() + if not runner.run(unittest.TestLoader().loadTestsFromTestCase( + UserTests)).wasSuccessful(): + sys.exit(1) + sys.exit(0) +else: + TestProgram(module=__name__, opts=subunitopts) |