Check graph before modification.

This will not lead to side effects like recursive reindexation.

master/bt5/vifib_slapos_core/WorkflowTemplateItem/portal_workflow/instance_slap_interface_workflow/scripts/RequesterInstance_request.xml

@@ -190,11 +190,12 @@ assert predecessor_list == uniq_predecessor_list, "%s != %s" % (predecessor_list
 \n
 # update graph to reflect requested operation\n
 graph[requester_instance.getUid()] = requester_instance.getPredecessorUidList() + [request_software_instance.getUid()]\n
-requester_instance.edit(predecessor_list=predecessor_list)\n
 \n
 # check if all elements are still connected and if there is no cycle\n
 request_software_instance.checkConnected(graph, hosting_subscription.getUid())\n
 request_software_instance.checkNotCyclic(graph)\n
+\n
+requester_instance.edit(predecessor_list=predecessor_list)\n
 
 
 ]]></string> </value>

master/bt5/vifib_slapos_core/bt/revision

-31
\ No newline at end of file
+32
\ No newline at end of file