diff options
| -rwxr-xr-x | nagios-check-apt-updates | 150 | ||||
| -rwxr-xr-x | nagios-check-raid.pl | 121 |
2 files changed, 271 insertions, 0 deletions
diff --git a/nagios-check-apt-updates b/nagios-check-apt-updates new file mode 100755 index 0000000..7bdc718 --- /dev/null +++ b/nagios-check-apt-updates @@ -0,0 +1,150 @@ +#!/usr/bin/perl -Tw + +# nagios check for debian (security) updates, +# based on net-snmp glue to security updates via apt-get. +# Copyright (C) 2004 SILVER SERVER Gmbh +# Copyright (C) 2004 Peter Palfrader +# +# 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 English; +use Getopt::Long; + +$ENV{'PATH'} = '/bin:/sbin:/usr/bin:/usr/sbin'; +delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'}; + + +my $VERSION = '0.0.1'; +my $APT = '/usr/bin/apt-get'; +my $USE_SUDO = 1; +my $params; + +# nagios exit codes +my $OK = 0; +my $WARNING = 1; +my $CRITICAL = 2; +my $UNKNOWN = 3; + +$params->{'chroots'} = []; +Getopt::Long::config('bundling'); +if (!GetOptions ( + '--help' => \$params->{'help'}, + '--version' => \$params->{'version'}, + '--sudo' => \$params->{'sudo'}, + '--nosudo' => \$params->{'nosudo'}, + '--verbose' => \$params->{'verbose'}, + '--chroot=s' => $params->{'chroots'}, + )) { + die ("$PROGRAM_NAME: Usage: $PROGRAM_NAME [--help|--version] [--sudo|--nosudo] [--verbose]\n"); +}; +if ($params->{'help'}) { + print "$PROGRAM_NAME: Usage: $PROGRAM_NAME [--help|--version] [--sudo|--nosudo] [--verbose]\n"; + print "Reports packages to upgrade, updating the list if necessary.\n"; + print "\n"; + print " --help Print this short help.\n"; + print " --version Report version number.\n"; + print " --sudo Use sudo to call apt-get (default).\n"; + print " --nosudo Do not use sudo to call apt-get.\n"; + print " --verbose Be a little verbose.\n"; + exit (0); +}; +if ($params->{'version'}) { + print "nagios-check-apt-updates $VERSION\n"; + print "nagios check for availability of debian (security) updates\n"; + print "Copyright (c) 2004 SILVER SERVER Gmbh\n"; + print "Copyright (c) 2004 Peter Palfrader <peter\@palfrader.org>\n"; + exit (0); +}; +if ($params->{'sudo'} && $params->{'nosudo'}) { + die ("$PROGRAM_NAME: --sudo and --nosudo are mutually exclusive.\n"); +}; +if ($params->{'sudo'}) { + $USE_SUDO = 1; +}; +if ($params->{'nosudo'}) { + $USE_SUDO = 0; +}; +if (scalar @{$params->{'chroots'}} == 0) { + $params->{'chroots'} = ['/']; +}; + +$SIG{'__DIE__'} = sub { + print STDERR @_; + exit $UNKNOWN; +}; + +# Make sure chroot paths are nice; +my @chroots = (); +for my $root (@{$params->{'chroots'}}) { + if ($root =~ m#^(/[a-zA-Z0-9/.-]*)$#) { + push @chroots, $1; + } else { + die ("Chroot path $root is not nice.\n"); + }; +}; + +my @updates_security; +my @updates_other; + +for my $root (@chroots) { + my $pre_command = ($root ne '/') ? "chroot $root " : ''; + $pre_command = ($USE_SUDO ? 'sudo ' : '').$pre_command; + + print STDERR "Running $APT update in $root\n" if $params->{'verbose'}; + open (UPDATE, "$pre_command$APT update|") or die ("Cannot run $APT update in $root: $!\n"); + my @ignore=<UPDATE>; + close UPDATE; + if ($CHILD_ERROR) { # program failed + die("$APT update returned with non-zero exit code in $root: ".($CHILD_ERROR / 256)."\n"); + }; + + print STDERR "Running $APT --simulate upgrade | sort -u in $root\n" if $params->{'verbose'}; + open (TODO, "$pre_command$APT --simulate upgrade | sort -u |") or die ("Cannot run $APT --simulate upgrade | sort -u in $root: $!\n"); + my @lines=<TODO>; + close TODO; + if ($CHILD_ERROR) { # program failed + die("$APT --simulate upgrade | sort -u returned with non-zero exit code in $root: ".($CHILD_ERROR / 256)."\n"); + }; + + print STDERR "Processing information for $root\n" if $params->{'verbose'}; + for my $line (@lines) { + if ($line =~ m/^Inst\s+(\S+)\s+/) { + my $package = $1; + if ($line =~ m/^Inst\s+\S+\s+.*security/i) { + push @updates_security, $package.($root ne '/' ? "($root)" : ''); + } else { + push @updates_other, $package.($root ne '/' ? "($root)" : ''); + }; + } + } +}; + +my $exit = $OK; + +my $updateinfo; +if (@updates_security) { + $updateinfo .= 'Security updates ('.(scalar @updates_security).'): '.join(', ', @updates_security)."; "; + $exit = $CRITICAL; +}; +if (@updates_other) { + $updateinfo .= 'Other Updates ('.(scalar @updates_other).'): '.join(', ', @updates_other)."; "; +}; +$updateinfo = 'No updates available' unless defined $updateinfo; + + +print $updateinfo,"\n"; +exit $exit; diff --git a/nagios-check-raid.pl b/nagios-check-raid.pl new file mode 100755 index 0000000..1aa49d1 --- /dev/null +++ b/nagios-check-raid.pl @@ -0,0 +1,121 @@ +#!/usr/bin/perl -w +# ------------------------------------------------------------------------------ +# File Name: chech_raid.pl +# Author: Thomas Nilsen - Norway +# Date: 14/06/2003 +# Version: 0.1 +# Description: This script will check to see if any software raid +# devices are down. +# Email: thomas.nilsen@doc-s.co.uk +# WWW: www.doc-s.co.uk +# ------------------------------------------------------------------------------ +# Copyright 2003 (c) Thomas Nilsen +# Credits go to Ethan Galstad for coding Nagios +# License GPL +# ------------------------------------------------------------------------------ +# Date Author Reason +# ---- ------ ------ +# 05/10/2005 PETER Palfrader Make it work without that 'use util (vars)' +# 14/06/2003 TN Initial Release +# - Format of mdstat assumed to be "2 line" per +# device with [??] on the second line. +# ------------------------------------------------------------------------------ + +use strict; +use warnings; +use Getopt::Long;; +use vars qw($opt_V $opt_h $opt_t $opt_F $PROGNAME); +use lib '/usr/local/nagios/libexec/'; +my $TIMEOUT=15; +my %ERRORS = ( OK => 0, WARNING => 1, CRITICAL => 2, UNKNOWN => -1 ); + + +$PROGNAME="check_raid"; + +sub print_help (); +sub print_usage (); + +$ENV{'PATH'}=''; +$ENV{'BASH_ENV'}=''; +$ENV{'ENV'}=''; +my ( $line, $prevline, $stat, $state ,@device, $msg, $status, $timeout); + +$stat="/proc/mdstat"; + +#Option checking +Getopt::Long::Configure('bundling'); +$status = GetOptions( + "V" => \$opt_V, "version" => \$opt_V, + "h" => \$opt_h, "help" => \$opt_h, + "F" => \$opt_F, "filename" => \$opt_F, + "t" => \$opt_t, "timeout" => \$opt_t); +# Version +if ($opt_V) { + print($PROGNAME,': $Revision: 0.1 $'); + exit $ERRORS{'OK'}; +} +# Help +if ($opt_h) { + print_help(); + exit $ERRORS{'OK'}; +} +# Filename supplied +if ($opt_F) { + $opt_F = shift; + $stat = $1 if ($opt_F =~ /^(.*)$/); + + if ( ! -r $stat ) { + print "Invalid mdstat file: $opt_F\n"; + exit $ERRORS{'UNKNOWN'}; + } +} + +$timeout = $TIMEOUT; +($opt_t) && ($opt_t =~ /^([0-9]+)$/) && ($timeout = $1); + +# Just in case of problems, let's not hang Nagios +$SIG{'ALRM'} = sub { + print ("ERROR: No response (alarm)\n"); + exit $ERRORS{'UNKNOWN'}; +}; +alarm($timeout); + +# Start checking the file... +open (FH, $stat); +$state = $ERRORS{'OK'}; +$msg =""; + +# Now check the mdstat file.. +while (<FH>) { + $line= $_; + if( $line =~ / \[_|_\]|U_|_U /) { + $state = $ERRORS{'CRITICAL'}; + @device = split(/ /,$prevline); + $msg = $msg . $device[0] . ": - "; + } + $prevline = $line; +} +close (FH); + +if ( $state == $ERRORS{'CRITICAL'} ) { + print "CRITICAL - Device(s) $msg have failed\n"; +} elsif ( $state == $ERRORS{'OK'} ) + { print "OK - All devices are online\n"; } +exit $state; + + +sub print_usage () { + print "Usage: $PROGNAME -t <timeout> -F <filename>\n"; +} + +sub print_help () { + print_revision($PROGNAME,'$Revision: 0.1 $'); + print "Copyright (c) 2003 Thomas Nilsen/Karl DeBisschop\n"; + print "\n"; + print_usage(); + print "Checks the mdstat file for errors on any configured software raid.\n +-t ( --timeout=INTEGER) + Seconds before script times out (default: 10)\n +-F ( --filename=FILE) + Full path and name to mdstat file (usually '/proc/mdstat') \n\n"; +} |