dashboard: link base template of instance

Also fixing a dog issue

circle/dashboard/templates/dashboard/vm-detail/home.html

@@ -94,7 +94,13 @@
       <dt>{% trans "Template" %}:</dt>
       <dd>
         {% if instance.template %}
+          {% if can_link_template %}
+          <a href="{{ instance.template.get_absolute_url }}">
             {{ instance.template.name }}
+          </a>
+          {% else %}
+            {{ instance.template.name }}
+          {% endif %}
         {% else %}
           -
         {% endif %}

circle/dashboard/views.py

@@ -336,7 +336,7 @@ class VmDetailView(CheckedDetailView):
 
         # resources forms
         can_edit = (
-            instance in Instance.get_objects_with_level("owner", user)
+            instance.has_level(user, "owner")
             and self.request.user.has_perm("vm.change_resources"))
         context['resources_form'] = VmResourcesForm(
             can_edit=can_edit, instance=instance)
@@ -349,6 +349,12 @@ class VmDetailView(CheckedDetailView):
         context['can_change_resources'] = self.request.user.has_perm(
             "vm.change_resources")
 
+        # can link template
+        context['can_link_template'] = (
+            instance.template.has_level(user, "operator")
+            if instance.template else False
+        )
+
         return context
 
     def post(self, request, *args, **kwargs):