From 1e2387474a449452b78520b9ad96a8b4b5e99722 Mon Sep 17 00:00:00 2001 From: Harald Pfeiffer Date: Wed, 17 Apr 2019 19:07:19 +0200 Subject: initial commit of source fetch --- .../check_memory/Makefile | 1 + .../check_memory/check_memory | 154 +++++++++++++++++++++ .../check_memory/control | 9 ++ .../check_memory/copyright | 16 +++ 4 files changed, 180 insertions(+) create mode 100644 nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/Makefile create mode 100644 nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/check_memory create mode 100644 nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/control create mode 100644 nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/copyright (limited to 'nagios-plugins-contrib-24.20190301~bpo9+1/check_memory') diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/Makefile b/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/Makefile new file mode 100644 index 0000000..23f8a8f --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/Makefile @@ -0,0 +1 @@ +include ../common.mk diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/check_memory b/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/check_memory new file mode 100644 index 0000000..bf46711 --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/check_memory @@ -0,0 +1,154 @@ +#!/usr/bin/perl +# +# check_memory - Check free(1) data against given tresholds +# +# Copyright (C) 2007 Thomas Guyot-Sionnest +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# + + +use strict; +use warnings; +use vars qw($PROGNAME $VERSION $FREECMD $UNIT); +use Nagios::Plugin; + +$PROGNAME = "check_memory"; +$VERSION = '1.0.1'; +$FREECMD = '/usr/bin/free'; +$UNIT = 'M'; + +my $np = Nagios::Plugin->new( + usage => "Usage: %s [ -w ] [ -c ]\n" + . ' [ -u ]', + version => $VERSION, + plugin => $PROGNAME, + blurb => 'Check free(1) data against given tresholds', + timeout => 30, +); + +$np->add_arg( + spec => 'warning|w=s', + help => "-w, --warning=THRESHOLD[%]\n" + . " Warning threshold (in bytes or percent) for free memory. See\n" + . " http://nagiosplug.sourceforge.net/developer-guidelines.html#THRESHOLDFORMAT\n" + . " for the threshold format. Alternatively this can be defined as a percentage\n" + . ' of minimum free memory (warning and critical must be in the same format).', + required => 0, +); + +$np->add_arg( + spec => 'critical|c=s', + help => "-c, --critical=THRESHOLD[%]\n" + . " Critical threshold (in bytes or percent) for free memory. See\n" + . " http://nagiosplug.sourceforge.net/developer-guidelines.html#THRESHOLDFORMAT\n" + . " for the threshold format. Alternatively this can be defined as a percentage\n" + . ' of minimum free memory (warning and critical must be in the same format).', + required => 0, +); + +$np->add_arg( + spec => 'unit|u=s', + help => "-u, --unit=UNIT\n" + . " Unit to use for human-redeable output. Can be 'b', 'K' 'M' or 'G' for\n" + . " bytes, KiB, MiB or GiB respectively (default: '$UNIT').", + default => $UNIT, + required => 0, +); + +$np->getopts; + +# Assign, then check args + +my $multiple; +my $unit = $np->opts->unit; +if ($unit eq 'M') { + $multiple = 1024 * 1024; +} elsif ( $unit eq 'K') { + $multiple = 1024; +} elsif ( $unit eq 'b') { + $multiple = 1; +} elsif ( $unit eq 'G') { + $multiple = 1024 * 1024 * 1024; +} else { + $np->nagios_exit('UNKNOWN', "Unit must be one of 'b', 'K', 'M' or 'G', case-sensitive."); +} +my $verbose = $np->opts->verbose; + +# Would better fit later but doing it here validates thresholds +my $warning = $np->opts->warning; +my $critical = $np->opts->critical; +$np->set_thresholds( + warning => ((defined($warning) && $warning !~ /^\d+%$/) ? $warning : undef), + critical => ((defined($critical) && $critical !~ /^\d+%$/) ? $critical : undef), +); + +# Better safe than sorry +alarm $np->opts->timeout; + +# We always get bytes, then calculate units ourselves +warn("Running: '$FREECMD -b'\n") if ($verbose); +open(RESULT, "$FREECMD -b |") + or $np->nagios_exit('CRITICAL', "Could not run $FREECMD"); + +warn("Output from $FREECMD:\n") if ($verbose > 1); +my ($used, $free); +while () { + warn(" $_") if ($verbose > 1); + next unless (m#^\-/\+\ buffers/cache:\s*(\d+)\s+(\d+)#); + $used = $1; + $free = $2; +} + +close(RESULT); +alarm(0); + +$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/%//; + $warning = $total / 100 * $warning; + $warning .= ':'; + } + warn("Calculated threshold (from percentage): warn=>$warning\n") if ($verbose); +} + +if (defined($critical) && $critical =~ /^\d+%$/) { + if ($critical) { + $critical =~ s/%//; + $critical = $total / 100 * $critical; + $critical .= ':'; + } + warn("Calculated threshold (from percentage): crit=>$critical\n") if ($verbose); +} + +$np->set_thresholds( + warning => $warning, + critical => $critical, +); + +$np->add_perfdata( + label => "free", + value => $free, + uom => 'b', + threshold => $np->threshold, +); + +my $freeprint = int($free/$multiple); + +$np->nagios_exit($np->check_threshold($free), "$freeprint$unit free"); + diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/control b/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/control new file mode 100644 index 0000000..e201421 --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/control @@ -0,0 +1,9 @@ +Homepage: https://github.com/dermoth/misc-code/blob/master/nagios/plugins/check_memory +Watch: https://raw.github.com/dermoth/misc-code/master/nagios/plugins/check_memory VERSION = '([0-9.]+)'; +Uploaders: Bernd Zeimetz +Description: plugin to check for free memory + This plugin excludes the system cache and buffer, because + on some system with very stable memory usage it is perfectly + normal for system cache to fill in all available memory. +Recommends: libmonitoring-plugin-perl | libnagios-plugin-perl (>= 0.31) +Version: 1.0.1 diff --git a/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/copyright b/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/copyright new file mode 100644 index 0000000..cbdadcf --- /dev/null +++ b/nagios-plugins-contrib-24.20190301~bpo9+1/check_memory/copyright @@ -0,0 +1,16 @@ +Copyright (C) 2007 Thomas Guyot-Sionnest + +This program is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, +MA 02110-1301 USA. -- cgit v1.2.3