From: hsiang41 <rick.chen@prophetstor.com>
Date: Sun, 20 Jan 2019 13:22:24 +0000 (+0800)
Subject: mgr/diskprediction_cloud: fix divide by zero when total_size is 0
X-Git-Tag: v14.1.0~323^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F26045%2Fhead;p=ceph.git

mgr/diskprediction_cloud: fix divide by zero when total_size is 0

Fix devide by zero when total_size is o.

Ref ticket: https://tracker.ceph.com/issues/37736

Signed-off-by: Rick Chen <rick.chen@prophetstor.com>
---

diff --git a/src/pybind/mgr/diskprediction_cloud/common/clusterdata.py b/src/pybind/mgr/diskprediction_cloud/common/clusterdata.py
index 41997a36300e..45add6937643 100644
--- a/src/pybind/mgr/diskprediction_cloud/common/clusterdata.py
+++ b/src/pybind/mgr/diskprediction_cloud/common/clusterdata.py
@@ -261,7 +261,10 @@ class ClusterAPI(object):
         total_size = round(float(ceph_stats.get('total_bytes', 0)) / GB)
         avail_size = round(float(ceph_stats.get('total_avail_bytes', 0)) / GB, 2)
         raw_used_size = round(float(ceph_stats.get('total_used_bytes', 0)) / GB, 2)
-        raw_used_percent = round(float(raw_used_size) / float(total_size) * 100, 2)
+        if total_size != 0:
+            raw_used_percent = round(float(raw_used_size) / float(total_size) * 100, 2)
+        else:
+            raw_used_percent = 0
         return {'total_size': total_size, 'avail_size': avail_size, 'raw_used_size': raw_used_size,
                 'used_percent': raw_used_percent}