From 09407c878d1849bba2dc8a53fe860f1ca342d062 Mon Sep 17 00:00:00 2001
From: qgarnier <garnier.quentin@gmail.com>
Date: Mon, 12 Jul 2021 16:13:10 +0200
Subject: [PATCH] fix(linux/local): storage mode calc (#2957)

---
 centreon-plugins/os/linux/local/mode/storage.pm | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/centreon-plugins/os/linux/local/mode/storage.pm b/centreon-plugins/os/linux/local/mode/storage.pm
index 41e70d30b..26d6604a9 100644
--- a/centreon-plugins/os/linux/local/mode/storage.pm
+++ b/centreon-plugins/os/linux/local/mode/storage.pm
@@ -89,8 +89,8 @@ sub custom_usage_calc {
     $self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
     $self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_total'};
     $self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'};
-    $self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used};
-    $self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
+    $self->{result_values}->{free} = $options{new_datas}->{$self->{instance} . '_free'};
+    $self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / ($self->{result_values}->{used} + $self->{result_values}->{free});
     $self->{result_values}->{prct_free} = 100 - $self->{result_values}->{prct_used};
 
     return 0;
@@ -105,7 +105,7 @@ sub set_counters {
     
     $self->{maps_counters}->{disks} = [
         { label => 'usage', set => {
-                key_values => [ { name => 'display' }, { name => 'used' }, { name => 'total' } ],
+                key_values => [ { name => 'display' }, { name => 'used' }, { name => 'free' }, { name => 'total' } ],
                 closure_custom_calc => $self->can('custom_usage_calc'),
                 closure_custom_output => $self->can('custom_usage_output'),
                 closure_custom_perfdata => $self->can('custom_usage_perfdata'),
@@ -159,8 +159,14 @@ sub manage_selection {
         next if (defined($self->{option_results}->{filter_mountpoint}) && $self->{option_results}->{filter_mountpoint} ne '' &&
             $mount !~ /$self->{option_results}->{filter_mountpoint}/);
 
-        $size *= 1024;
-        $self->{disks}->{$mount} = { display => $mount, fs => $fs, type => $type, total => $size, used => $used * 1024 };
+        $self->{disks}->{$mount} = {
+            display => $mount,
+            fs => $fs,
+            type => $type,
+            total => $size * 1024,
+            used => $used * 1024,
+            free => $available * 1024
+        };
     }
 
     if (scalar(keys %{$self->{disks}}) <= 0) {