From ea5cf7ce05f295c34d0fca194ed7d8691f1e04ab Mon Sep 17 00:00:00 2001 From: Andrew Bartlett Date: Tue, 20 Apr 2010 11:48:51 +1000 Subject: s4:provision Pass in the invoication ID and NTDS Settings DN to Schema() By putting these values into the cache on the LDB, this reduces some of the noise in provision, particularly with the LDAP backend. Andrew Bartlett --- source4/scripting/python/samba/provision.py | 10 +++++----- source4/scripting/python/samba/samdb.py | 20 +++++++++++++++++--- source4/scripting/python/samba/schema.py | 12 +++++++++--- 3 files changed, 31 insertions(+), 11 deletions(-) (limited to 'source4/scripting/python') diff --git a/source4/scripting/python/samba/provision.py b/source4/scripting/python/samba/provision.py index f2004878c1..0757a72556 100644 --- a/source4/scripting/python/samba/provision.py +++ b/source4/scripting/python/samba/provision.py @@ -871,10 +871,9 @@ def setup_samdb(path, setup_path, session_info, provision_backend, lp, if schema is None: schema = Schema(setup_path, domainsid, schemadn=names.schemadn, serverdn=names.serverdn) - # Load the database, but importantly, use Ldb not SamDB as we don't want to - # load the global schema - samdb = Ldb(session_info=session_info, - credentials=provision_backend.credentials, lp=lp) + # Load the database, but don's load the global schema and don't connect quite yet + samdb = SamDB(session_info=session_info, url=None, auto_connect=False, + credentials=provision_backend.credentials, lp=lp, global_schema=False) message("Pre-loading the Samba 4 and AD schema") @@ -901,6 +900,7 @@ def setup_samdb(path, setup_path, session_info, provision_backend, lp, samdb.set_domain_sid(str(domainsid)) samdb.set_invocation_id(invocationid) + samdb.set_ntds_settings_dn("CN=NTDS Settings,%s" % names.serverdn) message("Adding DomainDN: %s" % names.domaindn) @@ -1236,7 +1236,7 @@ def provision(setup_dir, message, session_info, ldapi_url = "ldapi://%s" % urllib.quote(paths.s4_ldapi_path, safe="") - schema = Schema(setup_path, domainsid, schemadn=names.schemadn, + schema = Schema(setup_path, domainsid, invocationid=invocationid, schemadn=names.schemadn, serverdn=names.serverdn) if backend_type == "ldb": diff --git a/source4/scripting/python/samba/samdb.py b/source4/scripting/python/samba/samdb.py index d41b3ec637..dd3824db0c 100644 --- a/source4/scripting/python/samba/samdb.py +++ b/source4/scripting/python/samba/samdb.py @@ -37,9 +37,11 @@ class SamDB(samba.Ldb): """The SAM database.""" def __init__(self, url=None, lp=None, modules_dir=None, session_info=None, - credentials=None, flags=0, options=None, global_schema=True): + credentials=None, flags=0, options=None, global_schema=True, auto_connect=True): self.lp = lp - if url is None: + if not auto_connect: + url = None + elif url is None and lp is not None: url = lp.get("sam database") super(SamDB, self).__init__(url=url, lp=lp, modules_dir=modules_dir, @@ -50,7 +52,10 @@ class SamDB(samba.Ldb): dsdb.dsdb_set_global_schema(self) def connect(self, url=None, flags=0, options=None): - super(SamDB, self).connect(url=self.lp.private_path(url), flags=flags, + if self.lp is not None: + url = self.lp.private_path(url) + + super(SamDB, self).connect(url=url, flags=flags, options=options) def domain_dn(self): @@ -261,6 +266,15 @@ accountExpires: %u "Get the invocation_id id" return dsdb.samdb_ntds_invocation_id(self) + def set_ntds_settings_dn(self, ntds_settings_dn): + """Set the NTDS Settings DN, as would be returned on the dsServiceName rootDSE attribute + + This allows the DN to be set before the database fully exists + + :param ntds_settings_dn: The new DN to use + """ + dsdb.samdb_set_ntds_settings_dn(self, ntds_settings_dn) + invocation_id = property(get_invocation_id, set_invocation_id) domain_sid = property(get_domain_sid, set_domain_sid) diff --git a/source4/scripting/python/samba/schema.py b/source4/scripting/python/samba/schema.py index 092dfe6719..1777c6559c 100644 --- a/source4/scripting/python/samba/schema.py +++ b/source4/scripting/python/samba/schema.py @@ -26,6 +26,7 @@ from base64 import b64encode from ms_schema import read_ms_schema from samba.dcerpc import security from samba import read_and_sub_file, substitute_var, check_all_substituted +from samba.samdb import SamDB from samba import Ldb from samba.ndr import ndr_pack from ldb import SCOPE_SUBTREE, SCOPE_ONELEVEL @@ -52,7 +53,7 @@ def get_schema_descriptor(domain_sid): class Schema(object): - def __init__(self, setup_path, domain_sid, schemadn=None, + def __init__(self, setup_path, domain_sid, invocationid=None, schemadn=None, serverdn=None, files=None, prefixmap=None): """Load schema for the SamDB from the AD schema files and samba4_schema.ldif @@ -65,7 +66,12 @@ class Schema(object): """ self.schemadn = schemadn - self.ldb = Ldb() + self.ldb = SamDB(global_schema=False) + if serverdn is not None: + self.ldb.set_ntds_settings_dn("CN=NTDS Settings,%s" % serverdn) + if invocationid is not None: + self.ldb.set_invocation_id(invocationid) + self.schema_data = read_ms_schema( setup_path('ad-schema/MS-AD_Schema_2K8_R2_Attributes.txt'), setup_path('ad-schema/MS-AD_Schema_2K8_R2_Classes.txt')) @@ -100,7 +106,7 @@ class Schema(object): self.ldb.set_schema_from_ldif(prefixmap_ldif, self.schema_data) def write_to_tmp_ldb(self, schemadb_path): - self.ldb.connect(schemadb_path) + self.ldb.connect(url=schemadb_path) self.ldb.transaction_start() try: self.ldb.add_ldif("""dn: @ATTRIBUTES -- cgit