Handle LDAP errors in sync

files/gitlab-ldap-sync.py

@@ -54,7 +54,11 @@ def connect_ldap(host, port, encryption, ca_file, bind_dn, bind_passwd):
 	old_search = conn.search
 	def search(*args, **kwargs):
 		kwargs.update({'attributes': [ldap3.ALL_ATTRIBUTES, ldap3.ALL_OPERATIONAL_ATTRIBUTES]})
-		return old_search(*args, **kwargs)
+		ret = old_search(*args, **kwargs)
+		result_code = conn.result['result']
+		if result_code != 0:
+			raise Exception(f'LDAP SEARCH failed with result code {result_code}')
+		return ret
 	conn.search = search
 	return conn