new checks
This commit is contained in:
Moritz Rudert (helios)
parent
46ef150932
commit
9e5842723d
27
check_git_status
Executable file
27
check_git_status
Executable file
@ -0,0 +1,27 @@
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#!/bin/sh
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# Copyright © 2010 by Daniel Friesel <derf@chaosdorf.de>
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# License: WTFPL:
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# 0. You just DO WHAT THE FUCK YOU WANT TO.
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#
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# You probably need to run this check via sudo. For /etc,
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# > nagios ALL=(root) NOPASSWD: /usr/local/lib/nagios/plugins/check_git_status /etc
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# should do the job.
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REPO="${1}"
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if [ -z "${REPO}" -o ! -d "${REPO}" ]
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then
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echo 'No repo specified or no such repo';
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exit 3
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fi
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cd "${REPO}" || exit 3
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if [ -z "$(git ls-files --modified --deleted --others --exclude-standard)" ]
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then
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echo "No uncommited changes in ${REPO}"
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exit 0
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else
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echo "Uncommited changes in ${REPO}"
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exit 1
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fi
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111
check_libs
111
check_libs
@ -1,6 +1,7 @@
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#!/usr/bin/suidperl
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#!/usr/bin/perl -w
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# Copyright (C) 2005, 2006, 2007, 2008 Peter Palfrader <peter@palfrader.org>
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# Copyright (C) 2005, 2006, 2007, 2008, 2012 Peter Palfrader <peter@palfrader.org>
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# 2012 Uli Martens <uli@youam.net>
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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@ -24,13 +25,12 @@
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use strict;
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use English;
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use Getopt::Long;
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use List::Util qw(sum);
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$ENV{'PATH'} = '/bin:/sbin:/usr/bin:/usr/sbin';
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delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
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my $LSOF = '/usr/bin/lsof';
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my $VERSION = '0.0.0';
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my $LSOF = '/usr/bin/lsof -F0';
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my $VERSION = '0.2012042101';
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# nagios exit codes
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my $OK = 0;
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@ -39,6 +39,7 @@ my $CRITICAL = 2;
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my $UNKNOWN = 3;
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my $params;
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my $config;
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Getopt::Long::config('bundling');
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@ -50,22 +51,59 @@ sub dief {
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if (!GetOptions (
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'--help' => \$params->{'help'},
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'--version' => \$params->{'version'},
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'--quiet' => \$params->{'quiet'},
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'--verbose' => \$params->{'verbose'},
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'--config=s' => \$params->{'config'},
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)) {
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dief ("$PROGRAM_NAME: Usage: $PROGRAM_NAME [--help|--version] [--verbose]\n");
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dief ("$PROGRAM_NAME: Usage: $PROGRAM_NAME [--help|--version] [--verbose] [--quiet] [--config=<CONFIGFILE>]\n");
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};
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if ($params->{'help'}) {
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print "$PROGRAM_NAME: Usage: $PROGRAM_NAME [--help|--version] [--verbose]\n";
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print "$PROGRAM_NAME: Usage: $PROGRAM_NAME [--help|--version] [--verbose] [--quiet] [--config=<CONFIGFILE>]\n";
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print "Reports processes that are linked against libraries that no longer exist.\n";
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print "The optional config file can specify ignore rules - see the sample config file.\n";
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exit (0);
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};
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if ($params->{'version'}) {
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print "nagios-check-libs $VERSION\n";
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print "nagios check for availability of debian (security) updates\n";
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print "Copyright (c) 2005 Peter Palfrader <peter\@palfrader.org>\n";
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print "Copyright (c) 2005, 2006, 2007, 2008, 2012 Peter Palfrader <peter\@palfrader.org>\n";
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exit (0);
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};
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if (! defined $params->{'config'}) {
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$params->{'config'} = '/etc/nagios/check_libs.cfg';
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} elsif (! -e $params->{'config'}) {
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dief("Config file $params->{'config'} does not exist.\n");
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}
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if (-e $params->{'config'}) {
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eval "use YAML::Syck; 1" or dief "you need YAML::Syck (libyaml-syck-perl) to load a config file";
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open(my $fh, '<', $params->{'config'}) or dief "Cannot open config file $params->{'config'}: $!";
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$config = LoadFile($fh);
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close($fh);
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if (!(ref($config) eq "HASH")) {
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dief("Loaded config is not a hash!\n");
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}
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} else {
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$config = {
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'ignorelist' => [
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'$path =~ m#^/proc/#',
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'$path =~ m#^/var/tmp/#',
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'$path =~ m#^/SYS#',
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'$path =~ m#^/drm$# # xserver stuff',
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'$path =~ m#^/dev/zero#',
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'$path =~ m#^/dev/shm/#',
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]
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};
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}
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if (! exists $config->{'ignorelist'}) {
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$config->{'ignorelist'} = [];
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} elsif (! (ref($config->{'ignorelist'}) eq 'ARRAY')) {
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dief("Config->ignorelist is not an array!\n");
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}
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my %processes;
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sub getPIDs($$) {
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@ -78,7 +116,7 @@ sub getProcs($) {
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return join(', ', map { $_.' ('.getPIDs($user, $_).')' } (sort {$a cmp $b} keys %{ $processes{$user} }));
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};
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sub getUsers() {
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return join("\n", (map { $_.": ".getProcs($_) } (sort {$a cmp $b} keys %processes)));
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return join('; ', (map { $_.': '.getProcs($_) } (sort {$a cmp $b} keys %processes)));
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};
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sub inVserver() {
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my ($f, $key);
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@ -104,48 +142,57 @@ sub inVserver() {
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my $INVSERVER = inVserver();
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print STDERR "Running $LSOF -n\n" if $params->{'verbose'};
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open (LSOF, "$LSOF +c 0 -n|") or dief ("Cannot run $LSOF -n: $!\n");
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open (LSOF, "$LSOF -n|") or dief ("Cannot run $LSOF -n: $!\n");
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my @lsof=<LSOF>;
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close LSOF;
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if ($CHILD_ERROR) { # program failed
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dief("$LSOF +c 0 -n returned with non-zero exit code: ".($CHILD_ERROR / 256)."\n");
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dief("$LSOF -n returned with non-zero exit code: ".($CHILD_ERROR / 256)."\n");
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};
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my $sum = 0;
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my ($process, $pid, $user);
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LINE: for my $line (@lsof) {
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if ( $line =~ /^p/ ) {
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my %fields = map { m/^(.)(.*)$/ ; $1 => $2 } grep { defined $_ and length $_ >1} split /\0/, $line;
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$process = $fields{c};
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$pid = $fields{p};
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$user = $fields{L};
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next;
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}
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for my $line (@lsof) {
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if ($line =~ m/\.dpkg-/ || $line =~ m/path inode=/ || $line =~ m/ DEL /) {
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unless ( $line =~ /^f/ ) {
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dief("UNKNOWN strange line read from lsof\n");
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# don't print it because it contains NULL characters...
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}
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# XXX Hotfix: Arch Linux lsof seems to print two PIDs sometimes
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$line =~ s/^\S+\s+\d+\K\s+\d+//;
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my %fields = map { m/^(.)(.*)$/ ; $1 => $2 } grep { defined $_ and length $_ >1} split /\0/, $line;
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my ($process, $pid, $user, undef, undef, undef, undef, $path, $rest) = split /\s+/, $line;
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next if $path =~ m#^/proc/#;
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next if $path =~ m#^/var/tmp/#;
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next if $path =~ m#^/SYS#;
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next if $path =~ m#^/dev/zero#;
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next if $path =~ m#^/dev/shm/#;
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next if $path =~ m#^/home/#;
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next if $path =~ m#^/var/kunden/mail/#;
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my $fd = $fields{f};
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my $inode = $fields{i};
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my $path = $fields{n};
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if ($path =~ m/\.dpkg-/ || $path =~ m/\(deleted\)/ || $path =~ /path inode=/ || $fd eq 'DEL') {
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for my $i (@{$config->{'ignorelist'}}) {
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my $ignore = eval($i);
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next LINE if $ignore;
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}
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next if ($INVSERVER && ($process eq 'init') && ($pid == 1) && ($user eq 'root'));
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#$processes{$user}->{$process} = [] unless defined $processes{$user}->{$process};
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if ($processes{$user}->{$process}->{$pid} == 0) {
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$sum++;
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};
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if ( $params->{'verbose'} ) {
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print STDERR "adding $process($pid) because of [$path]:\n";
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print STDERR $line;
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}
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$processes{$user}->{$process}->{$pid} = 1;
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};
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};
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my $message;
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my $message='';
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my $exit = $OK;
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if (keys %processes) {
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$exit = $WARNING;
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$message = "WARNING - ".$sum." processes are using old libs\nThe following processes have libs linked that were upgraded:\n". getUsers();
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$message = 'The following processes have libs linked that were upgraded: '. getUsers()."\n";
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} else {
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$message = 'No upgraded libs linked in running processes';
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$message = "No upgraded libs linked in running processes\n" unless $params->{'quiet'};
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};
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print $message,"\n";
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print $message;
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exit $exit;
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9
check_libs.cfg
Normal file
9
check_libs.cfg
Normal file
@ -0,0 +1,9 @@
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---
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ignorelist:
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- '$path =~ m#^/proc/#'
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- '$path =~ m#^/var/tmp/#'
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- '$path =~ m#^/SYS#'
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- '$path =~ m#^/drm$# # xserver stuff'
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- '$path =~ m#^/dev/zero#'
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- '$path =~ m#^/dev/shm/#'
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# vim:syn=yaml
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@ -2,26 +2,26 @@
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declare status=0
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distribution=`lsb_release -is`
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release=`lsb_release -cs`
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if ! which lsb_release >/dev/null; then
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status=1
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status=3
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error=""
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else
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distribution="$(lsb_release -is)"
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release="$(lsb_release -cs)"
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case "$distribution" in
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Debian)
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case "$release" in
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bo)
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status=1
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status=2
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error="EOL of $release is absolutely expired."
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;;
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rex)
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status=1
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status=2
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error="EOL of $release is absolutely expired."
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;;
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buzz)
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status=1
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status=2
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error="EOL of $release is absolutely expired."
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;;
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hamm)
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@ -49,7 +49,7 @@ else
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status=0
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;;
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*)
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status=1
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status=3
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error="Release ($release) unknown in script."
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;;
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esac
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@ -105,7 +105,7 @@ else
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exp_date="20170401"
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;;
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*)
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status=1
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status=3
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error="Release ($release) unknown in script."
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;;
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esac
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@ -117,7 +117,7 @@ else
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error="ArchLinux is a rolling release distribution. So no release updates are required."
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;;
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*)
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status=1
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status=3
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error="Distribution ($distribution) unknown in script."
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;;
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esac
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@ -128,7 +128,7 @@ fi
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if [ $status -eq 0 ]; then
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if [ -n "$exp_date" ]; then
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if [ "$exp_date" -lt "$(date +%Y%m%d)" ]; then
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status=1
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status=2
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error="EOL of $release has expired ($(date -d "$exp_date" +%d.%m.%Y))."
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else
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error="EOL of $release has not expired ($(date -d "$exp_date" +%d.%m.%Y))."
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32
check_nodejs_freshness
Executable file
32
check_nodejs_freshness
Executable file
@ -0,0 +1,32 @@
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#!/bin/bash
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node_homepage="http://nodejs.org/download/"
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node_bin="node"
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[ -n "$1" ] && node_bin="$1"
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error=""
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local_version="$($node_bin -v 2>/dev/null)"
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remote_version="$(wget -q -O - -- $node_homepage | grep 'Current version:' | sed -e 's/<[a-zA-Z\/][^>]*>//g' | sed 's/^ *//g' | sed 's/ $//g' | awk '{ print $3 }')"
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if [ -z "$local_version" ]; then
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error="could not determine local node.js version"
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errcode=1
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elif [ -z "$remote_version" ]; then
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error="could not determine remote node.js version"
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errcode=1
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else
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if [ "$local_version" != "$remote_version" ]; then
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error="local node.js version is not up to date ($local_version vs. $remote_version)"
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errcode=2
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fi
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fi
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if [ "$error" != "" ]; then
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echo -e "ERROR: $error"
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exit $errcode
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else
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echo "OK: local node.js version is up to date"
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exit 0
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fi
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17
check_rkhunter
Executable file
17
check_rkhunter
Executable file
@ -0,0 +1,17 @@
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#!/bin/bash
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if [ ! -f /etc/rkhunter.conf ]; then
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error="rkhunter.conf not found. So probably rkhunter is not installed!"
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status=1
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else
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error="rkhunter.conf found. So rkhunter is installed."
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status=0
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fi
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if [ "$status" -eq 0 ]; then
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echo "[OK] $error"
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else
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echo "[CRITICAL] $error"
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fi
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exit "$status"
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@ -1,13 +0,0 @@
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#!/bin/bash
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port=31182
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. /usr/lib/nagios/plugins/utils.sh
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if lsof -i -n -P | grep jsvc | grep $port | grep -q ESTABLISHED; then
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echo "[OK]"
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exit $STATE_OK
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else
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echo "[CRITICAL] not connected"
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exit $STATE_CRITICAL
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fi
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