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Benjamin Renard 2013-08-20 16:15:39 +02:00
commit 41291a8d0d

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check_backuppc Executable file
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#!/usr/bin/perl
#
# check_backuppc: a Nagios plugin to check the status of BackupPC
#
# Tested against BackupPC 3.2.1 and Nagios 3
# <http://backuppc.sourceforge.net>
# <http://nagios.org>
#
# AUTHORS
# Benjamin Renard <brenard@easter-eggs.com>
#
# Fork from check_backuppc 1.1.0 write by Seneca Cunningham
# <tetragon@users.sourceforge.net>.
#
# COPYRIGHT
# Copyright (C) 2013 Easter-eggs
#
# 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;
no utf8;
# Nagios
use lib "/usr/lib/nagios/plugins";
use utils qw(%ERRORS $TIMEOUT);
use POSIX qw(strftime difftime);
use Getopt::Long;
Getopt::Long::Configure('bundling');
# BackupPC
use lib "/usr/share/backuppc/lib";
use BackupPC::Lib;
my $version = '1.1.1';
my $warnDaysOld = 2;
my $critDaysOld = 7;
my $verbose = 0;
my $opt_V = 0;
my $opt_h = 0;
my $goodOpt = 0;
my @ownerOnly;
my @hostsDesired;
my @hostsExcluded;
# Process options
$goodOpt = GetOptions(
'v+' => \$verbose, 'verbose+' => \$verbose,
'c=f' => \$critDaysOld, 'critical=f' => \$critDaysOld,
'w=f' => \$warnDaysOld, 'warning=f' => \$warnDaysOld,
'o=s' => \@ownerOnly, 'owner=s' => \@ownerOnly,
'V' => \$opt_V, 'version' => \$opt_V,
'h' => \$opt_h, 'help' => \$opt_h,
'H=s' => \@hostsDesired, 'hostname=s' => \@hostsDesired,
'x=s' => \@hostsExcluded, 'exclude=s' => \@hostsExcluded);
@hostsDesired = () if $#hostsDesired < 0;
@hostsExcluded = () if $#hostsExcluded < 0;
if ($opt_V)
{
print "check_backuppc - " . $version . "\n";
exit $ERRORS{'OK'};
}
if ($opt_h or not $goodOpt)
{
print "check_backuppc - " . $version . "\n";
print "A Nagios plugin to check on BackupPC backup status.\n\n";
print "Options:\n";
print " --hostname,-H only check the specified host\n";
print " --exclude,-x do not check the specified host\n";
print " --owner,-o do only hosts of specified user\n";
print " --warning,-w days old of last good backup to cause a warning\n";
print " --critical,-c days old of last good backup to be critical\n";
print " --verbose,-v increase verbosity\n";
print " --version,-V display plugin version\n";
print " --help,-h display this message\n\n";
exit $ERRORS{'OK'} if $goodOpt;
exit $ERRORS{'UNKNOWN'};
}
if ($warnDaysOld > $critDaysOld)
{
print("BACKUPPC UNKNOWN - Warning threshold must be <= critical\n");
exit $ERRORS{'UNKNOWN'};
}
# Connect to BackupPC
my $server;
if (!($server = BackupPC::Lib->new))
{
print "BACKUPPC CRITICAL - Couldn't connect to BackupPC\n";
exit $ERRORS{'CRITICAL'};
}
my %Conf = $server->Conf();
$server->ChildInit();
my $err = $server->ServerConnect($Conf{ServerHost}, $Conf{ServerPort});
if ($err)
{
print("BACKUPPC UNKNOWN - Can't connect to server ($err)\n");
exit $ERRORS{'UNKNOWN'};
}
my %Status;
# query the BackupPC server for host status
my $status_raw = $server->ServerMesg('status hosts');
my $hosts_infos = $server->HostInfoRead();
# undump the output... BackupPC uses Data::Dumper
eval $status_raw;
# check the dumped output
my $hostCount = 0;
my $errorLevel='OK';
foreach my $host (@hostsDesired, @hostsExcluded)
{
if (not grep {/$host/} keys(%Status))
{
print("BACKUPPC UNKNOWN - Unknown host ($host)\n");
exit $ERRORS{'UNKNOWN'};
}
}
my @problems;
# host status checks
foreach my $host (sort(keys(%Status)))
{
next if $host =~ /^ /;
my $owner = $hosts_infos->{$host}->{user};
next if (@ownerOnly and not grep {/$owner/} @ownerOnly);
my %host_conf = %{$server->ConfigDataRead($host)};
next if ( $host_conf{BackupsDisable} );
next if (@hostsDesired and not grep {/$host/} @hostsDesired);
next if (@hostsExcluded and grep {/$host/} @hostsExcluded);
next if ($Status{$host}{'type'} eq 'archive');
$hostCount++;
# Debug
if ($verbose == 2)
{
print "Host $host state " . $Status{$host}{'state'} . "\n";
print " with reason: " . $Status{$host}{'reason'} . "\n";
print " with error: " . $Status{$host}{'error'} . "\n";
print " with owner: $owner\n\n";
}
# Check host error
if ($Status{$host}{'error'})
{
# Check connectivity errors with greater care
if ($Status{$host}{'error'} ne 'ping too slow' &&
$Status{$host}{'error'} ne 'no ping response' &&
$Status{$host}{'error'} ne 'no ping response' &&
$Status{$host}{'error'} ne 'host not found' &&
$Status{$host}{'reason'} !~ /Reason_restore_failed/) {
push @problems, "$host error : ".$Status{$host}{'error'}." / ".$Status{$host}{'reason'};
next;
}
}
# Check last good backup time
my $difftime=difftime(time(), $Status{$host}{'lastGoodBackupTime'});
my $diffdays=$difftime/(3600 * 24);
$Status{$host}{'lastGoodBackupTime'} = $Status{$host}{'startTime'} if (not $Status{$host}{'lastGoodBackupTime'});
if ($difftime > ($critDaysOld * 3600 * 24))
{
push @problems, "$host : last good backup have ".sprintf("%.1f",$diffdays)." days";
$errorLevel='CRITICAL';
}
elsif ($difftime > ($warnDaysOld * 3600 * 24))
{
push @problems, "$host : last good backup have ".sprintf("%.1f",$diffdays)." days";
$errorLevel='WARNING' if ($errorLevel eq 'OK');
}
}
my $problemTxt="";
if (scalar(@problems) > 0) {
if ($verbose > 0) {
foreach my $pbl (@problems) {
if ($problemTxt ne "") {
$problemTxt.=" , ";
}
else {
$problemTxt=" ( ";
}
$problemTxt.=$pbl;
}
$problemTxt.=" )";
}
else {
$problemTxt=" (".scalar(@problems)." problems)";
}
}
print "BACKUPPC $errorLevel$problemTxt\n";
exit $ERRORS{$errorLevel};