--- /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[./]
--- /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
--- /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 $@
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/check_mem.pl Thu Jun 30 14:44:08 2011 +0200
@@ -0,0 +1,177 @@
+#! /usr/bin/perl -w
+
+# Copyright (C) 2011 Christian Arnold
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Christian Arnold <arnold@schlittermann.de>
+
+use 5.010;
+use strict;
+use File::Basename;
+use Getopt::Long;
+use Pod::Usage;
+
+delete @ENV{ grep /^LC_/ => keys %ENV };
+$ENV{LANG} = "C";
+$ENV{LC_ALL} = "C";
+
+sub version($$);
+sub get_meminfo();
+sub report($$$$);
+
+my %ERRORS = (
+ OK => 0,
+ WARNING => 1,
+ CRITICAL => 2,
+ UNKNOWN => 3,
+ DEPENDENT => 4
+);
+
+my $ME = basename $0;
+my $NAME = "MEM";
+my $VERSION = "0.1";
+
+my %opt = (
+ warning => 70,
+ critical => 90
+);
+
+MAIN: {
+ Getopt::Long::Configure('bundling');
+ GetOptions(
+ "w|warning=i" => \$opt{warning},
+ "c|critical=i" => \$opt{critical},
+ "h|help" => sub { pod2usage( -verbose => 1, -exitval => $ERRORS{OK} ) },
+ "m|man" => sub { pod2usage( -verbose => 2, -exitval => $ERRORS{OK} ) },
+ "V|version" => sub { version( $ME, $VERSION ); exit $ERRORS{OK}; }
+ ) or pod2usage( -verbose => 1, -exitval => $ERRORS{CRITICAL} );
+
+ my ( $percent, $total, $used, $free ) = get_meminfo();
+ report( $percent, $total, $used, $free );
+}
+
+sub report($$$$) {
+ my ( $percent, $total, $used, $free ) = @_;
+
+ if ( $percent >= $opt{critical} ) {
+ say
+"$NAME CRITICAL: $percent\% used memory - total: $total MB, used: $used MB, free: $free MB|MemUsed=$percent\%;$opt{warning};$opt{critical}";
+ exit $ERRORS{CRITICAL};
+ }
+ if ( $percent >= $opt{warning} ) {
+ say
+"$NAME WARNING: $percent\% used memory - total: $total MB, used: $used MB, free: $free MB|MemUsed=$percent\%;$opt{warning};$opt{critical}";
+ exit $ERRORS{WARNING};
+ }
+ say
+"$NAME OK: $percent\% used memory - total: $total MB, used: $used MB, free: $free MB|MemUsed=$percent\%;$opt{warning};$opt{critical}";
+ exit $ERRORS{OK};
+}
+
+sub get_meminfo() {
+ my ( $total, $free, $used, $percent );
+ my $file = '/proc/meminfo';
+
+ open( FH, $file )
+ or say "$NAME CRITICAL: $file - $!." and exit $ERRORS{CRITICAL};
+
+ while (<FH>) {
+ /^MemTotal:\s+(?<total>[\d.]+)/
+ and $total = ( sprintf( "%.0f", $+{total} / 1024 ) )
+ and next;
+ /^MemFree:\s+(?<free>[\d.]+)/
+ and $free = ( sprintf( "%.0f", $+{free} / 1024 ) )
+ and last;
+ }
+ close(FH);
+
+ $used = ( $total - $free );
+ $percent = ( sprintf( "%.0f", ( $used / $total ) * 100 ) );
+
+ return ( $percent, $total, $used, $free );
+}
+
+sub version($$) {
+ 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<integer>] [B<-c>|B<--critical> I<integer>]
+
+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<integer>
+
+Exit with WARNING status if memory usage in percent exceeds this value (default: 70)
+
+=item B<-c>|B<--critical> I<integer>
+
+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<check_mem>.
+
+=head1 AUTHOR
+
+Written by Christian Arnold L<arnold@schlittermann.de>
+
+=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.
--- /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 <arnold@schlittermann.de> Thu, 30 Jun 2011 14:27:52 +0200
--- /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
--- /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 <arnold@schlittermann.de>
+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.
--- /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 <arnold@schlittermann.de> 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 <arnold@schlittermann.de>
+
+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 <http://www.gnu.org/licenses/>.
+
+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 <arnold@schlittermann.de>
+
+and is licensed under the GPL version 3, see above.
--- /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 $@
--- /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)