Start to rework provision for LDAP backends

This is the start of the rework of the provision script to handle an
LDAP backend correctly.  For example, we must not set the 'tdb
modules' against an LDAP backend such as OpenLDAP that handles subtree
renames.

Andrew Bartlett
(This used to be commit e462a107d3bafcc546ca4d53dcc8eb32e4280745)

diff --git a/source4/scripting/python/samba/__init__.py b/source4/scripting/python/samba/__init__.py
index 8d5f4250c957ec53860faeecea90daa64dcf5b33..e91b320c073ad6ec8a05b82b24cf6db5db3d2f80 100644 (file)
--- a/source4/scripting/python/samba/__init__.py
+++ b/source4/scripting/python/samba/__init__.py
@@ -147,7 +147,12 @@ class Ldb(ldb.Ldb):
             k = 0
             while ++k < 10 and (previous_remaining != current_remaining):
                 # and the rest
-                res2 = self.search(basedn, ldb.SCOPE_SUBTREE, "(|(objectclass=*)(distinguishedName=*))", ["distinguishedName"])
+                try:
+                    res2 = self.search(basedn, ldb.SCOPE_SUBTREE, "(|(objectclass=*)(distinguishedName=*))", ["distinguishedName"])
+                except ldb.LdbError, (LDB_ERR_NO_SUCH_OBJECT, _):
+                    # Ignore missing dn errors
+                    return
+
                 previous_remaining = current_remaining
                 current_remaining = len(res2)
                 for msg in res2:

diff --git a/source4/scripting/python/samba/provision.py b/source4/scripting/python/samba/provision.py
index ea2feb981bbfb3ea378cf30b1bfaa1e776199d34..b140071f41f5307680d453b42a345e1c222eb743 100644 (file)
--- a/source4/scripting/python/samba/provision.py
+++ b/source4/scripting/python/samba/provision.py
@@ -341,12 +341,21 @@ def setup_samdb_partitions(samdb_path, setup_path, message, lp, session_info,
        
     if ldap_backend_type == "fedora-ds":
         backend_modules = ["nsuniqueid", "paged_searches"]
+        # We can handle linked attributes here, as we don't have directory-side subtree operations
+        tdb_modules_list = ["linked_attributes"]
     elif ldap_backend_type == "openldap":
         backend_modules = ["normalise", "entryuuid", "paged_searches"]
+        # OpenLDAP handles subtree renames, so we don't want to do any of these things
+        tdb_modules_list = None
     elif serverrole == "domain controller":
         backend_modules = ["repl_meta_data"]
     else:
         backend_modules = ["objectguid"]
+
+    if tdb_modules_list is None:
+        tdb_modules_list_as_string = ""
+    else:
+        tdb_modules_list_as_string = ","+",".join(tdb_modules_list)
         
     samdb.transaction_start()
     try:
@@ -362,7 +371,7 @@ def setup_samdb_partitions(samdb_path, setup_path, message, lp, session_info,
                 "CONFIGDN_MOD": "naming_fsmo,instancetype",
                 "DOMAINDN_MOD": "pdc_fsmo,password_hash,instancetype",
                 "MODULES_LIST": ",".join(modules_list),
-                "TDB_MODULES_LIST": ","+",".join(tdb_modules_list),
+                "TDB_MODULES_LIST": tdb_modules_list_as_string,
                 "MODULES_LIST2": ",".join(modules_list2),
                 "BACKEND_MOD": ",".join(backend_modules),
         })