From e664b0eb57a39396ea7beec172f9f9de30b9d598 Mon Sep 17 00:00:00 2001
From: Radomir Dopieralski <openstack@sheep.art.pl>
Date: Mon, 2 Mar 2015 12:00:57 +0100
Subject: [PATCH] Avoid division by zero when calculating distribution

In case when there are no nodes.

Change-Id: I20ae51f3d47d1605b4da9fd3610744a0c8907d91
---
 tuskar_boxes/overview/views.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tuskar_boxes/overview/views.py b/tuskar_boxes/overview/views.py
index 2a50e32..c1022f1 100644
--- a/tuskar_boxes/overview/views.py
+++ b/tuskar_boxes/overview/views.py
@@ -162,8 +162,11 @@ class IndexView(views.IndexView):
             for node in nodes:
                 distribution[node['role_name']] += 1
             for role in data['roles']:
-                role['distribution'] = int(float(distribution[role['name']]) /
-                                           len(nodes) * 100)
+                if nodes:
+                    role['distribution'] = int(
+                        float(distribution[role['name']]) / len(nodes) * 100)
+                else:
+                    role['distribution'] = 0
 
             if api_base.is_service_enabled(request, 'metering'):
                 for role in data['roles']: