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diff --git a/templates/checkbackups.sh b/templates/checkbackups.sh
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+++ b/templates/checkbackups.sh
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+#!/bin/sh
+
+# This script is designed to check a backup directory populated with
+# subdirectories named after hosts, within which there are backups of various
+# types.
+#
+# Example:
+# /home/backup:
+# foo.example.com
+# 
+# foo.example.com:
+# rdiff-backup .ssh
+#
+# rdiff-backup:
+# root home rdiff-backup-data usr var
+#
+# There are heuristics to determine the backup type. Currently, the following
+# types are supported:
+#
+# rdiff-backup: assumes there is a rdiff-backup/rdiff-backup-data/backup.log file
+# duplicity: assumes there is a dup subdirectory, checks the latest file
+# dump files: assumes there is a dump subdirectory, checks the latest file
+#
+# This script returns output suitable for send_nsca to send the results to
+# nagios and should therefore be used like this:
+#
+# checkbackups.sh | send_nsca -H nagios.example.com
+
+# XXX: taken from utils.sh from nagios-plugins-basic
+STATE_OK=0
+STATE_WARNING=1
+STATE_CRITICAL=2
+STATE_UNKNOWN=3
+STATE_DEPENDENT=4
+
+backupdir="<%= real_backupdir -%>"
+
+# XXX: this should be a complete backup registry instead
+hosts=`ls $backupdir`
+stampfile=$backupdir/.stamp
+
+cd $backupdir
+for host in $hosts; do
+	flag=""
+	type="unknown"
+	if [ -d $host ]; then
+		# guess the backup type and find a proper stamp file to compare
+		# XXX: this doesn't check if the backup was actually successful
+		# XXX: the backup type should be part of the machine registry
+		if [ -d $host/rdiff-backup ]; then
+			flag=$host/rdiff-backup/rdiff-backup-data/backup.log
+			type="rdiff"
+		elif [ -d $host/dump ]; then
+			flag="$host/dump/`ls -tr $host/dump | tail -1`"
+			type="dump"
+		elif [ -d $host/dup ]; then
+			flag="$host/dup/`ls -tr $host/dup | tail -1`"
+			type="duplicity"
+		else
+			printf "$host\tbackups\t$STATE_UNKNOWN\tUNKNOWN unknown system\n"
+			continue
+		fi
+		touch -t `date +%Y%m%d0000.00` $stampfile
+		date=`ls -l $flag | awk '{print $6 " " $7}'`
+		if [ $flag -nt $stampfile ]; then
+			printf "$host\tbackups\t$STATE_OK\tOK timestamp $date\n"
+		else
+			printf "$host\tbackups\t$STATE_CRITICAL\tCRITICAL timestamp $date\n"
+		fi
+	else
+		printf "$host\tbackups\t$STATE_UNKNOWN\tUNKNOWN timestamp no directory\n"
+	fi
+done