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-rwxr-xr-xsource4/scripting/bin/upgradeprovision58
1 files changed, 46 insertions, 12 deletions
diff --git a/source4/scripting/bin/upgradeprovision b/source4/scripting/bin/upgradeprovision
index e95977a258..23980cd3da 100755
--- a/source4/scripting/bin/upgradeprovision
+++ b/source4/scripting/bin/upgradeprovision
@@ -560,18 +560,52 @@ def check_diff_name(newpaths,paths,creds,session,basedn,names,ischema):
sam_ldb.transaction_start()
- empty = ldb.Message()
- message(SIMPLE,"There are %d missing objects"%(len(listMissing)))
- for dn in listMissing:
- reference = newsam_ldb.search(expression="dn=%s"%(str(dn)),base=basedn, scope=SCOPE_SUBTREE,controls=["search_options:1:2"])
- delta = sam_ldb.msg_diff(empty,reference[0])
- for att in hashAttrNotCopied.keys():
- delta.remove(att)
- for att in backlinked:
- delta.remove(att)
- delta.dn = dn
-
- sam_ldb.add(delta,["relax:0"])
+ err_num = 0
+ err_msg = ""
+ while len(listMissing) > 0:
+ listMissing2 = []
+
+ empty = ldb.Message()
+ message(SIMPLE,"There are still %d objects missing"%(len(listMissing)))
+
+ for dn in listMissing:
+ reference = newsam_ldb.search(expression="dn=%s" % (str(dn)),
+ base=basedn, scope=SCOPE_SUBTREE,
+ controls=["search_options:1:2"])
+ delta = sam_ldb.msg_diff(empty,reference[0])
+ for att in hashAttrNotCopied.keys():
+ delta.remove(att)
+ for att in backlinked:
+ delta.remove(att)
+ delta.dn = dn
+
+ try:
+ sam_ldb.add(delta,["relax:0"])
+ # This is needed here since otherwise the
+ # "replmd_meta_data" module doesn't see the
+ # updated data
+ sam_ldb.transaction_commit()
+ sam_ldb.transaction_start()
+ except LdbError, (num, msg):
+ # An exception can happen if a linked object
+ # doesn't exist which can happen if it is also
+ # to be added
+ err_num = num
+ err_msg = msg
+ listMissing2.append(dn)
+
+ if len(listMissing2) == len(listMissing):
+ # We couldn't add any object in this iteration ->
+ # we have to resign and hope that the user manually
+ # fixes the damage
+
+ message(ERROR, "The script isn't capable to do the upgrade fully automatically!")
+ message(ERROR, "Often this happens when important system objects moved their location. Please look for them (for example doable using the displayed 'sAMAccountName' attribute), backup if personally changed and remove them.")
+ message(ERROR, "Reinvoke this script and reapply eventual modifications done before. It is possible to get this error more than once (for each problematic object).")
+
+ raise LdbError(err_num, err_msg)
+
+ listMissing = listMissing2
changed = 0
for dn in listPresent: