234 lines
9.5 KiB
Python
234 lines
9.5 KiB
Python
# Copyright 2012 OpenStack Foundation
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# Copyright 2013 IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import fixtures
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import ldappool
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import mock
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from keystone.common import provider_api
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import keystone.conf
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from keystone.identity.backends import ldap
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from keystone.identity.backends.ldap import common as common_ldap
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from keystone.tests import unit
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from keystone.tests.unit import fakeldap
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from keystone.tests.unit import test_backend_ldap
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CONF = keystone.conf.CONF
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PROVIDERS = provider_api.ProviderAPIs
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class LdapPoolCommonTestMixin(object):
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"""LDAP pool specific common tests used here and in live tests."""
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def cleanup_pools(self):
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common_ldap.PooledLDAPHandler.connection_pools.clear()
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def test_handler_with_use_pool_enabled(self):
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# by default use_pool and use_auth_pool is enabled in test pool config
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user_ref = PROVIDERS.identity_api.get_user(self.user_foo['id'])
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self.user_foo.pop('password')
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self.assertDictEqual(self.user_foo, user_ref)
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handler = common_ldap._get_connection(CONF.ldap.url, use_pool=True)
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self.assertIsInstance(handler, common_ldap.PooledLDAPHandler)
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@mock.patch.object(common_ldap.KeystoneLDAPHandler, 'connect')
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@mock.patch.object(common_ldap.KeystoneLDAPHandler, 'simple_bind_s')
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def test_handler_with_use_pool_not_enabled(self, bind_method,
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connect_method):
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self.config_fixture.config(group='ldap', use_pool=False)
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self.config_fixture.config(group='ldap', use_auth_pool=True)
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self.cleanup_pools()
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user_api = ldap.UserApi(CONF)
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handler = user_api.get_connection(user=None, password=None,
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end_user_auth=True)
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# use_auth_pool flag does not matter when use_pool is False
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# still handler is non pool version
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self.assertIsInstance(handler.conn, common_ldap.PythonLDAPHandler)
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@mock.patch.object(common_ldap.KeystoneLDAPHandler, 'connect')
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@mock.patch.object(common_ldap.KeystoneLDAPHandler, 'simple_bind_s')
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def test_handler_with_end_user_auth_use_pool_not_enabled(self, bind_method,
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connect_method):
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# by default use_pool is enabled in test pool config
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# now disabling use_auth_pool flag to test handler instance
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self.config_fixture.config(group='ldap', use_auth_pool=False)
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self.cleanup_pools()
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user_api = ldap.UserApi(CONF)
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handler = user_api.get_connection(user=None, password=None,
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end_user_auth=True)
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self.assertIsInstance(handler.conn, common_ldap.PythonLDAPHandler)
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# For end_user_auth case, flag should not be false otherwise
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# it will use, admin connections ldap pool
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handler = user_api.get_connection(user=None, password=None,
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end_user_auth=False)
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self.assertIsInstance(handler.conn, common_ldap.PooledLDAPHandler)
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def test_pool_size_set(self):
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# get related connection manager instance
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ldappool_cm = self.conn_pools[CONF.ldap.url]
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self.assertEqual(CONF.ldap.pool_size, ldappool_cm.size)
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def test_pool_retry_max_set(self):
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# get related connection manager instance
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ldappool_cm = self.conn_pools[CONF.ldap.url]
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self.assertEqual(CONF.ldap.pool_retry_max, ldappool_cm.retry_max)
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def test_pool_retry_delay_set(self):
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# just make one identity call to initiate ldap connection if not there
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PROVIDERS.identity_api.get_user(self.user_foo['id'])
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# get related connection manager instance
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ldappool_cm = self.conn_pools[CONF.ldap.url]
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self.assertEqual(CONF.ldap.pool_retry_delay, ldappool_cm.retry_delay)
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def test_pool_use_tls_set(self):
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# get related connection manager instance
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ldappool_cm = self.conn_pools[CONF.ldap.url]
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self.assertEqual(CONF.ldap.use_tls, ldappool_cm.use_tls)
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def test_pool_timeout_set(self):
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# get related connection manager instance
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ldappool_cm = self.conn_pools[CONF.ldap.url]
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self.assertEqual(CONF.ldap.pool_connection_timeout,
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ldappool_cm.timeout)
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def test_pool_use_pool_set(self):
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# get related connection manager instance
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ldappool_cm = self.conn_pools[CONF.ldap.url]
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self.assertEqual(CONF.ldap.use_pool, ldappool_cm.use_pool)
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def test_pool_connection_lifetime_set(self):
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# get related connection manager instance
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ldappool_cm = self.conn_pools[CONF.ldap.url]
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self.assertEqual(CONF.ldap.pool_connection_lifetime,
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ldappool_cm.max_lifetime)
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def test_max_connection_error_raised(self):
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who = CONF.ldap.user
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cred = CONF.ldap.password
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# get related connection manager instance
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ldappool_cm = self.conn_pools[CONF.ldap.url]
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ldappool_cm.size = 2
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# 3rd connection attempt should raise Max connection error
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with ldappool_cm.connection(who, cred) as _: # conn1
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with ldappool_cm.connection(who, cred) as _: # conn2
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try:
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with ldappool_cm.connection(who, cred) as _: # conn3
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_.unbind_s()
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self.fail()
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except Exception as ex:
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self.assertIsInstance(ex,
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ldappool.MaxConnectionReachedError)
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ldappool_cm.size = CONF.ldap.pool_size
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def test_pool_size_expands_correctly(self):
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who = CONF.ldap.user
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cred = CONF.ldap.password
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# get related connection manager instance
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ldappool_cm = self.conn_pools[CONF.ldap.url]
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ldappool_cm.size = 3
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def _get_conn():
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return ldappool_cm.connection(who, cred)
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# Open 3 connections first
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with _get_conn() as _: # conn1
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self.assertEqual(1, len(ldappool_cm))
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with _get_conn() as _: # conn2
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self.assertEqual(2, len(ldappool_cm))
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with _get_conn() as _: # conn2
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_.unbind_ext_s()
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self.assertEqual(3, len(ldappool_cm))
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# Then open 3 connections again and make sure size does not grow
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# over 3
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with _get_conn() as _: # conn1
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self.assertEqual(1, len(ldappool_cm))
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with _get_conn() as _: # conn2
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self.assertEqual(2, len(ldappool_cm))
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with _get_conn() as _: # conn3
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_.unbind_ext_s()
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self.assertEqual(3, len(ldappool_cm))
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def test_password_change_with_pool(self):
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old_password = self.user_sna['password']
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self.cleanup_pools()
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# authenticate so that connection is added to pool before password
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# change
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with self.make_request():
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user_ref = PROVIDERS.identity_api.authenticate(
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user_id=self.user_sna['id'],
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password=self.user_sna['password'])
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self.user_sna.pop('password')
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self.user_sna['enabled'] = True
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self.assertUserDictEqual(self.user_sna, user_ref)
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new_password = 'new_password'
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user_ref['password'] = new_password
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PROVIDERS.identity_api.update_user(user_ref['id'], user_ref)
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# now authenticate again to make sure new password works with
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# connection pool
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with self.make_request():
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user_ref2 = PROVIDERS.identity_api.authenticate(
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user_id=self.user_sna['id'],
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password=new_password)
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user_ref.pop('password')
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self.assertUserDictEqual(user_ref, user_ref2)
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# Authentication with old password would not work here as there
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# is only one connection in pool which get bind again with updated
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# password..so no old bind is maintained in this case.
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with self.make_request():
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self.assertRaises(AssertionError,
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PROVIDERS.identity_api.authenticate,
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user_id=self.user_sna['id'],
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password=old_password)
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class LDAPIdentity(LdapPoolCommonTestMixin,
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test_backend_ldap.LDAPIdentity,
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unit.TestCase):
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"""Executes tests in existing base class with pooled LDAP handler."""
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def setUp(self):
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self.useFixture(fixtures.MockPatchObject(
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common_ldap.PooledLDAPHandler, 'Connector', fakeldap.FakeLdapPool))
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super(LDAPIdentity, self).setUp()
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self.addCleanup(self.cleanup_pools)
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# storing to local variable to avoid long references
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self.conn_pools = common_ldap.PooledLDAPHandler.connection_pools
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# super class loads db fixtures which establishes ldap connection
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# so adding dummy call to highlight connection pool initialization
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# as its not that obvious though its not needed here
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PROVIDERS.identity_api.get_user(self.user_foo['id'])
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def config_files(self):
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config_files = super(LDAPIdentity, self).config_files()
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config_files.append(unit.dirs.tests_conf('backend_ldap_pool.conf'))
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return config_files
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