source4/torture/drs/python/repl_schema.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3 #
   4 # Tests various schema replication scenarios
   5 #
   6 # Copyright (C) Kamen Mazdrashki <kamenim@samba.org> 2010
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 #
  23 # Usage:
  24 #  export DC1=dc1_dns_name
  25 #  export DC2=dc2_dns_name
  26 #  export SUBUNITRUN=$samba4srcdir/scripting/bin/subunitrun
  27 #  PYTHONPATH="$PYTHONPATH:$samba4srcdir/torture/drs/python" $SUBUNITRUN repl_schema -U"$DOMAIN/$DC_USERNAME"%"$DC_PASSWORD"
  28 #
  29
  30 import time
  31 import random
  32
  33 from ldb import (
  34     ERR_NO_SUCH_OBJECT,
  35     LdbError,
  36     SCOPE_BASE,
  37     Message,
  38     FLAG_MOD_ADD,
  39     FLAG_MOD_REPLACE,
  40     )
  41
  42 import drs_base
  43
  44
  45 class DrsReplSchemaTestCase(drs_base.DrsBaseTestCase):
  46
  47     # prefix for all objects created
  48     obj_prefix = None
  49     # current Class or Attribute object id
  50     obj_id = 0
  51
  52     def setUp(self):
  53         super(DrsReplSchemaTestCase, self).setUp()
  54
  55         # initialize objects prefix if not done yet
  56         if self.obj_prefix is None:
  57             t = time.strftime("%s", time.gmtime())
  58             DrsReplSchemaTestCase.obj_prefix = "DrsReplSchema-%s" % t
  59
  60     def tearDown(self):
  61         super(DrsReplSchemaTestCase, self).tearDown()
  62
  63     def _make_obj_names(self, base_name):
  64         '''Try to create a unique name for an object
  65            that is to be added to schema'''
  66         self.obj_id += 1
  67         obj_name = "%s-%d-%s" % (self.obj_prefix, self.obj_id, base_name)
  68         obj_ldn = obj_name.replace("-", "")
  69         obj_dn = "CN=%s,%s" % (obj_name, self.schema_dn)
  70         return (obj_dn, obj_name, obj_ldn)
  71
  72     def _schema_new_class(self, ldb_ctx, base_name, attrs=None):
  73         (class_dn, class_name, class_ldn) = self._make_obj_names(base_name)
  74         rec = {"dn": class_dn,
  75                "objectClass": ["top", "classSchema"],
  76                "cn": class_name,
  77                "lDAPDisplayName": class_ldn,
  78                "governsId": "1.2.840." + str(random.randint(1,100000)) + ".1.5.13",
  79                "instanceType": "4",
  80                "objectClassCategory": "1",
  81                "subClassOf": "top",
  82                "systemOnly": "FALSE"}
  83         # allow overriding/adding attributes
  84         if not attrs is None:
  85             rec.update(attrs)
  86         # add it to the Schema
  87         try:
  88             ldb_ctx.add(rec)
  89         except LdbError, (enum, estr):
  90             self.fail("Adding record failed with %d/%s" % (enum, estr))
  91
  92         self._ldap_schemaUpdateNow(ldb_ctx)
  93         return (rec["lDAPDisplayName"], rec["dn"])
  94
  95     def _schema_new_attr(self, ldb_ctx, base_name, attrs=None):
  96         (attr_dn, attr_name, attr_ldn) = self._make_obj_names(base_name)
  97         rec = {"dn": attr_dn,
  98                "objectClass": ["top", "attributeSchema"],
  99                "cn": attr_name,
 100                "lDAPDisplayName": attr_ldn,
 101                "attributeId": "1.2.841." + str(random.randint(1,100000)) + ".1.5.13",
 102                "attributeSyntax": "2.5.5.12",
 103                "omSyntax": "64",
 104                "instanceType": "4",
 105                "isSingleValued": "TRUE",
 106                "systemOnly": "FALSE"}
 107         # allow overriding/adding attributes
 108         if not attrs is None:
 109             rec.update(attrs)
 110         # add it to the Schema
 111         ldb_ctx.add(rec)
 112         self._ldap_schemaUpdateNow(ldb_ctx)
 113         return (rec["lDAPDisplayName"], rec["dn"])
 114
 115     def _check_object(self, obj_dn):
 116         '''Check if object obj_dn exists on both DCs'''
 117         res_dc1 = self.ldb_dc1.search(base=obj_dn,
 118                                       scope=SCOPE_BASE,
 119                                       attrs=["*"])
 120         self.assertEquals(len(res_dc1), 1,
 121                           "%s doesn't exists on %s" % (obj_dn, self.dnsname_dc1))
 122         try:
 123             res_dc2 = self.ldb_dc2.search(base=obj_dn,
 124                                           scope=SCOPE_BASE,
 125                                           attrs=["*"])
 126         except LdbError, (enum, estr):
 127             if enum == ERR_NO_SUCH_OBJECT:
 128                 self.fail("%s doesn't exists on %s" % (obj_dn, self.dnsname_dc2))
 129             raise
 130         self.assertEquals(len(res_dc2), 1,
 131                           "%s doesn't exists on %s" % (obj_dn, self.dnsname_dc2))
 132
 133     def test_class(self):
 134         """Simple test for classSchema replication"""
 135         # add new classSchema object
 136         (c_ldn, c_dn) = self._schema_new_class(self.ldb_dc1, "cls-S")
 137         # force replication from DC1 to DC2
 138         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, nc_dn=self.schema_dn)
 139         # check object is replicated
 140         self._check_object(c_dn)
 141
 142     def test_classInheritance(self):
 143         """Test inheritance through subClassOf
 144            I think 5 levels of inheritance is pretty decent for now."""
 145         # add 5 levels deep hierarchy
 146         c_dn_list = []
 147         c_ldn_last = None
 148         for i in range(1, 6):
 149             base_name = "cls-I-%02d" % i
 150             (c_ldn, c_dn) = self._schema_new_class(self.ldb_dc1, base_name)
 151             c_dn_list.append(c_dn)
 152             if c_ldn_last:
 153                 # inherit from last class added
 154                 m = Message.from_dict(self.ldb_dc1,
 155                                       {"dn": c_dn,
 156                                        "subClassOf": c_ldn_last},
 157                                       FLAG_MOD_REPLACE)
 158                 self.ldb_dc1.modify(m)
 159             # store last class ldapDisplayName
 160             c_ldn_last = c_ldn
 161         # force replication from DC1 to DC2
 162         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, nc_dn=self.schema_dn)
 163         # check objects are replicated
 164         for c_dn in c_dn_list:
 165             self._check_object(c_dn)
 166
 167     def test_classWithCustomAttribute(self):
 168         """Create new Attribute and a Class,
 169            that has value for newly created attribute.
 170            This should check code path that searches for
 171            AttributeID_id in Schema cache"""
 172         # add new attributeSchema object
 173         (a_ldn, a_dn) = self._schema_new_attr(self.ldb_dc1, "attr-A")
 174         # add a base classSchema class so we can use our new
 175         # attribute in class definition in a sibling class
 176         (c_ldn, c_dn) = self._schema_new_class(self.ldb_dc1, "cls-A",
 177                                                {"systemMayContain": a_ldn})
 178         # add new classSchema object with value for a_ldb attribute
 179         (c_ldn, c_dn) = self._schema_new_class(self.ldb_dc1, "cls-B",
 180                                                {"objectClass": ["top", "classSchema", c_ldn],
 181                                                 a_ldn: "test_classWithCustomAttribute"})
 182         # force replication from DC1 to DC2
 183         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, nc_dn=self.schema_dn)
 184         # check objects are replicated
 185         self._check_object(c_dn)
 186         self._check_object(a_dn)
 187
 188     def test_attribute(self):
 189         """Simple test for attributeSchema replication"""
 190         # add new attributeSchema object
 191         (a_ldn, a_dn) = self._schema_new_attr(self.ldb_dc1, "attr-S")
 192         # force replication from DC1 to DC2
 193         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, nc_dn=self.schema_dn)
 194         # check object is replicated
 195         self._check_object(a_dn)
 196
 197     def test_all(self):
 198         """Basic plan is to create bunch of classSchema
 199            and attributeSchema objects, replicate Schema NC
 200            and then check all objects are replicated correctly"""
 201
 202         # add new classSchema object
 203         (c_ldn, c_dn) = self._schema_new_class(self.ldb_dc1, "cls-A")
 204         # add new attributeSchema object
 205         (a_ldn, a_dn) = self._schema_new_attr(self.ldb_dc1, "attr-A")
 206
 207         # add attribute to the class we have
 208         m = Message.from_dict(self.ldb_dc1,
 209                               {"dn": c_dn,
 210                                "mayContain": a_ldn},
 211                               FLAG_MOD_ADD)
 212         self.ldb_dc1.modify(m)
 213
 214         # force replication from DC1 to DC2
 215         self._net_drs_replicate(DC=self.dnsname_dc2, fromDC=self.dnsname_dc1, nc_dn=self.schema_dn)
 216
 217         # check objects are replicated
 218         self._check_object(c_dn)
 219         self._check_object(a_dn)