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-rwxr-xr-xsource4/scripting/bin/upgradeprovision20
1 files changed, 20 insertions, 0 deletions
diff --git a/source4/scripting/bin/upgradeprovision b/source4/scripting/bin/upgradeprovision
index 1c70e377ae..e2ee8d053f 100755
--- a/source4/scripting/bin/upgradeprovision
+++ b/source4/scripting/bin/upgradeprovision
@@ -189,6 +189,23 @@ def get_paths(targetdir=None,smbconf=None):
paths = provision_paths_from_lp(lp,"foo")
return paths
+
+def sanitychecks(credentials,session_info,names,paths):
+ sam_ldb = Ldb(paths.samdb, session_info=session, credentials=creds,lp=lp,options=["modules:samba_dsdb"])
+ # First update the SD for the rootdn
+ sam_ldb.set_session_info(session)
+ res = sam_ldb.search(expression="objectClass=ntdsdsa",base=str(names.configdn), scope=SCOPE_SUBTREE,attrs=["dn"],controls=["search_options:1:2"])
+ if len(res) == 0:
+ print "No DC found, your provision is most probalby hardly broken !"
+ return 0
+ elif len(res) != 1:
+ print "Found %d domain controllers, for the moment upgradeprovision is not able to handle upgrade on \
+domain with more than one DC, please demote the other DC before upgrading"%len(res)
+ return 0
+ else:
+ return 1
+
+
# This function guesses (fetches) informations needed to make a fresh provision
# from the current provision
# It includes: realm, workgroup, partitions, netbiosname, domain guid, ...
@@ -891,6 +908,9 @@ def setup_path(file):
# Guess all the needed names (variables in fact) from the current
# provision.
names = guess_names_from_current_provision(creds,session,paths)
+if not sanitychecks(creds,session,names,paths):
+ print "Sanity checks for the upgrade fails, checks messages and correct it before rerunning upgradeprovision"
+ sys.exit(1)
# Let's see them
print_names(names)
# With all this information let's create a fresh new provision used as reference