dashboard: use inst.short_hostname instead of inst.primary_host.hostname

circle/dashboard/templates/dashboard/index-vm.html

@@ -25,7 +25,7 @@
           <i class="fa {{ i.get_status_icon }}" title="{{ i.get_status_display }}"></i>
           {{ i.name }}
         </span>
-        <small class="text-muted"> {{ i.primary_host.hostname }}</small>
+        <small class="text-muted"> {{ i.short_hostname }}</small>
         <div class="pull-right dashboard-vm-favourite" data-vm="{{ i.pk }}">
           {% if i.fav %}
             <i class="fa fa-star text-primary title-favourite" title="{% trans "Unfavourite" %}"></i>

circle/dashboard/views.py

@@ -1883,7 +1883,7 @@ class VmList(LoginRequiredMixin, FilterMixin, ListView):
                 'pk': i.pk,
                 'name': i.name,
                 'icon': i.get_status_icon(),
-                'host': "" if not i.primary_host else i.primary_host.hostname,
+                'host': i.short_hostname,
                 'status': i.get_status_display(),
                 'fav': i.pk in favs,
             } for i in instances]