# HG changeset patch # User Christian Arnold # Date 1309437848 -7200 # Node ID 6f49d13a20aa158b1ca8d995012837b59da5b8ce import to mercurial diff -r 000000000000 -r 6f49d13a20aa .hgignore --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.hgignore Thu Jun 30 14:44:08 2011 +0200 @@ -0,0 +1,8 @@ +syntax: glob +*.swp +debian/files +check_mem + +syntax: regexp +(build|configure)-stamp$ +debian/nagios-plugin-mem[./] diff -r 000000000000 -r 6f49d13a20aa .perltidy --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.perltidy Thu Jun 30 14:44:08 2011 +0200 @@ -0,0 +1,2 @@ +--paren-tightness=2 +--square-bracket-tightness=2 diff -r 000000000000 -r 6f49d13a20aa Makefile --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Makefile Thu Jun 30 14:44:08 2011 +0200 @@ -0,0 +1,22 @@ +SCRIPTS = check_mem +CLEANFILES = ${SCRIPTS} +DESTDIR = +prefix = /usr + +plugindir = ${prefix}/lib/nagios/plugins/ius + +.PHONY: all clean install + +all: ${SCRIPTS} + +clean: + -rm -f ${CLEANFILES} + +install: all + install -d -m 0755 ${DESTDIR}/${plugindir} + install -m 0755 $(SCRIPTS) ${DESTDIR}/${plugindir}/ + +%: %.pl + @perl -c $< + @cp -f $< $@ + @chmod +x $@ diff -r 000000000000 -r 6f49d13a20aa check_mem.pl --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/check_mem.pl Thu Jun 30 14:44:08 2011 +0200 @@ -0,0 +1,177 @@ +#! /usr/bin/perl -w + +# Copyright (C) 2011 Christian Arnold +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +# +# Christian Arnold + +use 5.010; +use strict; +use File::Basename; +use Getopt::Long; +use Pod::Usage; + +delete @ENV{ grep /^LC_/ => keys %ENV }; +$ENV{LANG} = "C"; +$ENV{LC_ALL} = "C"; + +sub version($$); +sub get_meminfo(); +sub report($$$$); + +my %ERRORS = ( + OK => 0, + WARNING => 1, + CRITICAL => 2, + UNKNOWN => 3, + DEPENDENT => 4 +); + +my $ME = basename $0; +my $NAME = "MEM"; +my $VERSION = "0.1"; + +my %opt = ( + warning => 70, + critical => 90 +); + +MAIN: { + Getopt::Long::Configure('bundling'); + GetOptions( + "w|warning=i" => \$opt{warning}, + "c|critical=i" => \$opt{critical}, + "h|help" => sub { pod2usage( -verbose => 1, -exitval => $ERRORS{OK} ) }, + "m|man" => sub { pod2usage( -verbose => 2, -exitval => $ERRORS{OK} ) }, + "V|version" => sub { version( $ME, $VERSION ); exit $ERRORS{OK}; } + ) or pod2usage( -verbose => 1, -exitval => $ERRORS{CRITICAL} ); + + my ( $percent, $total, $used, $free ) = get_meminfo(); + report( $percent, $total, $used, $free ); +} + +sub report($$$$) { + my ( $percent, $total, $used, $free ) = @_; + + if ( $percent >= $opt{critical} ) { + say +"$NAME CRITICAL: $percent\% used memory - total: $total MB, used: $used MB, free: $free MB|MemUsed=$percent\%;$opt{warning};$opt{critical}"; + exit $ERRORS{CRITICAL}; + } + if ( $percent >= $opt{warning} ) { + say +"$NAME WARNING: $percent\% used memory - total: $total MB, used: $used MB, free: $free MB|MemUsed=$percent\%;$opt{warning};$opt{critical}"; + exit $ERRORS{WARNING}; + } + say +"$NAME OK: $percent\% used memory - total: $total MB, used: $used MB, free: $free MB|MemUsed=$percent\%;$opt{warning};$opt{critical}"; + exit $ERRORS{OK}; +} + +sub get_meminfo() { + my ( $total, $free, $used, $percent ); + my $file = '/proc/meminfo'; + + open( FH, $file ) + or say "$NAME CRITICAL: $file - $!." and exit $ERRORS{CRITICAL}; + + while () { + /^MemTotal:\s+(?[\d.]+)/ + and $total = ( sprintf( "%.0f", $+{total} / 1024 ) ) + and next; + /^MemFree:\s+(?[\d.]+)/ + and $free = ( sprintf( "%.0f", $+{free} / 1024 ) ) + and last; + } + close(FH); + + $used = ( $total - $free ); + $percent = ( sprintf( "%.0f", ( $used / $total ) * 100 ) ); + + return ( $percent, $total, $used, $free ); +} + +sub version($$) { + my ( $progname, $version ) = @_; + + say <<_VERSION; +$progname version $version +Copyright (C) 2011 by Christian Arnold and Schlittermann internet & unix support. + +$ME comes with ABSOLUTELY NO WARRANTY. This is free software, +and you are welcome to redistribute it under certain conditions. +See the GNU General Public Licence for details. +_VERSION +} + +__END__ + +=head1 NAME + +check_mem - nagios plugin to check memory usage + +=head1 SYNOPSIS + +check_mem [B<-w>|B<--warning> I] [B<-c>|B<--critical> I] + +check_mem [B<-h>|B<--help>] + +check_mem [B<-m>|B<--man>] + +check_mem [B<-v>|B<--version>] + +=head1 OPTIONS + +=over + +=item B<-w>|B<--warning> I + +Exit with WARNING status if memory usage in percent exceeds this value (default: 70) + +=item B<-c>|B<--critical> I + +Exit with CRITICAL status if memory usage in percent exceeds this value (default: 90) + +=item B<-h>|B<--help> + +Print detailed help screen. + +=item B<-m>|B<--man> + +Print manual page. + +=item B<-V>|B<--version> + +Print version information. + +=back + +=head1 DESCRIPTION + +This nagios plugin check the memory usage. + +=head1 VERSION + +This man page is current for version 0.1 of B. + +=head1 AUTHOR + +Written by Christian Arnold L + +=head1 COPYRIGHT + +Copyright (C) 2011 by Christian Arnold and Schlittermann internet & unix support. +This is free software, and you are welcome to redistribute it under certain conditions. +See the GNU General Public Licence for details. diff -r 000000000000 -r 6f49d13a20aa debian/changelog --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/debian/changelog Thu Jun 30 14:44:08 2011 +0200 @@ -0,0 +1,5 @@ +nagios-plugin-mem (0.1) lenny squeeze; urgency=low + + * Initial Release. + + -- Christian Arnold Thu, 30 Jun 2011 14:27:52 +0200 diff -r 000000000000 -r 6f49d13a20aa debian/compat --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/debian/compat Thu Jun 30 14:44:08 2011 +0200 @@ -0,0 +1,1 @@ +7 diff -r 000000000000 -r 6f49d13a20aa debian/control --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/debian/control Thu Jun 30 14:44:08 2011 +0200 @@ -0,0 +1,13 @@ +Source: nagios-plugin-mem +Section: net +Priority: extra +Maintainer: Christian Arnold +Build-Depends: debhelper (>= 7.0.50~) +Standards-Version: 3.8.4 +Homepage: https://keller.schlittermann.de/hg/ius/nagios/nagios-plugin-mem/ + +Package: nagios-plugin-mem +Architecture: all +Depends: perl-base, perl-doc +Description: nagios plugin to check the memory usage + This nagios plugin checks the percent memory usage of the system. diff -r 000000000000 -r 6f49d13a20aa debian/copyright --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/debian/copyright Thu Jun 30 14:44:08 2011 +0200 @@ -0,0 +1,39 @@ +This work was packaged for Debian by: + + Christian Arnold on Thu, 30 Jun 2011 14:27:52 +0200 + +It was downloaded from: + + https://keller.schlittermann.de/hg/ius/nagios/nagios-plugin-mem/ + +Upstream Author(s): + + Christian Arnold + +Copyright: + + Copyright (C) 2011 Schlittermann internet & unix support + +License: + + 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 3 of the License, or + (at your option) any later version. + + This package 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, see . + +On Debian systems, the complete text of the GNU General +Public License version 3 can be found in "/usr/share/common-licenses/GPL-3". + +The Debian packaging is: + + Copyright (C) 2011 Christian Arnold + +and is licensed under the GPL version 3, see above. diff -r 000000000000 -r 6f49d13a20aa debian/docs diff -r 000000000000 -r 6f49d13a20aa debian/rules --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/debian/rules Thu Jun 30 14:44:08 2011 +0200 @@ -0,0 +1,13 @@ +#!/usr/bin/make -f +# -*- makefile -*- +# Sample debian/rules that uses debhelper. +# This file was originally written by Joey Hess and Craig Small. +# As a special exception, when this file is copied by dh-make into a +# dh-make output file, you may use that output file without restriction. +# This special exception was added by Craig Small in version 0.37 of dh-make. + +# Uncomment this to turn on verbose mode. +#export DH_VERBOSE=1 + +%: + dh $@ diff -r 000000000000 -r 6f49d13a20aa debian/source/format --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/debian/source/format Thu Jun 30 14:44:08 2011 +0200 @@ -0,0 +1,1 @@ +3.0 (native)