network: success messages for host actions

network/views.py

@@ -618,6 +618,11 @@ def remove_host_group(request, **kwargs):
     # for post we actually remove the group from the host
     elif request.method == "POST":
         host.groups.remove(group)
+        messages.success(request, _("Successfully removed %(host)s from "
+                                    "%(group)s group!" % {
+                                        'host': host,
+                                        'group': group
+                                    }))
         return redirect(reverse_lazy('network.host',
                                      kwargs={'pk': kwargs['pk']}))
 
@@ -628,4 +633,9 @@ def add_host_group(request, **kwargs):
         host = Host.objects.get(pk=kwargs['pk'])
         group = Group.objects.get(pk=group_pk)
         host.groups.add(group)
+        messages.success(request, _("Successfully added %(host)s to group "
+                                    "%(group)s!" % {
+                                        'host': host,
+                                        'group': group
+                                    }))
         return redirect(reverse_lazy('network.host', kwargs=kwargs))