Package: nagios-plugins-contrib Version: 15.20150818 Severity: normal Tags: patch
Hello, The output of free doesn't anymore contain the "buffers/cache" line breaking the check_memory plugin. The attached patch uses instead the new "available" column to calculate the free memory as it seems to be a better estimation of free (usable) memory. Regards Simon -- + privacy is necessary + using gnupg http://gnupg.org + public key id: 0x92FEFDB7E44C32F9
--- check_memory.orig 2015-08-18 18:17:21.000000000 +0200 +++ check_memory 2015-11-29 15:14:07.493644046 +0100 @@ -104,12 +104,23 @@ or $np->nagios_exit('CRITICAL', "Could not run $FREECMD"); warn("Output from $FREECMD:\n") if ($verbose > 1); -my ($used, $free); +my $new_format = 0; +my ($total, $used, $free); while (<RESULT>) { warn(" $_") if ($verbose > 1); - next unless (m#^\-/\+\ buffers/cache:\s*(\d+)\s+(\d+)#); - $used = $1; - $free = $2; + # New `free` output from procps doesn't provide "buffers/cache" anymore, but + # provides a better estimate of available memory ("available" column). + $new_format = 1 if m{^\s+total\s+used\s+free\s+shared\s+buff/cache\s+available$}; + + if ($new_format and /^Mem:\s+(\d+)\s+\d+\s+\d+\s+\d+\s+\d+\s+(\d+)$/) { + $total = $1; + $free = $2; # available column + $used = $total - $free; # used is everything which is not available + } elsif (m#^\-/\+\ buffers/cache:\s*(\d+)\s+(\d+)#) { + $used = $1; + $free = $2; + $total = $used + $free; + } } close(RESULT); @@ -117,7 +128,6 @@ $np->nagios_exit('CRITICAL', "Unable to interpret $FREECMD output") if (!defined($free)); -my $total = $used + $free; if (defined($warning) && $warning =~ /^\d+%$/) { if ($warning) { $warning =~ s/%//;
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