Oneflow is not shown in the Sunstone

Is this a clean installation? By default you should see Instances/Services and Templates/Services.

If you don’t, it may be because you customized or used an old view.yaml file. See here for more information:
http://docs.opennebula.org/5.0/deployment/sunstone_setup/suns_views.html#defining-a-new-opennebula-sunstone-view-or-customizing-an-existing-one