From 1a79ba80ae245dee132d6813e719ac6bbf1e4e7d Mon Sep 17 00:00:00 2001
From: garnier-quentin <garnier.quentin@gmail.com>
Date: Fri, 28 Jun 2019 16:04:13 +0200
Subject: [PATCH] enhance docker container

---
 cloud/docker/restapi/mode/containerusage.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cloud/docker/restapi/mode/containerusage.pm b/cloud/docker/restapi/mode/containerusage.pm
index d3e931050..fc1769918 100644
--- a/cloud/docker/restapi/mode/containerusage.pm
+++ b/cloud/docker/restapi/mode/containerusage.pm
@@ -250,7 +250,8 @@ sub manage_selection {
             write_io => $write_io,
             cpu_total_usage => $result->{$container_id}->{Stats}->{cpu_stats}->{cpu_usage}->{total_usage},
             cpu_system_usage => $result->{$container_id}->{Stats}->{cpu_stats}->{system_cpu_usage},
-            cpu_number => scalar(@{$result->{$container_id}->{Stats}->{cpu_stats}->{cpu_usage}->{percpu_usage}}),
+            cpu_number => defined($result->{$container_id}->{Stats}->{cpu_stats}->{cpu_usage}->{percpu_usage}) ?
+                scalar(@{$result->{$container_id}->{Stats}->{cpu_stats}->{cpu_usage}->{percpu_usage}}) : 1,
             memory_usage => $result->{$container_id}->{Stats}->{memory_stats}->{usage},
             memory_total => $result->{$container_id}->{Stats}->{memory_stats}->{limit},
         };