Marius van Witzenburg We fight for our survival, we fight!

#!/bin/sh
sh /backup/run &

#!/bin/sh
# WD ShareSpace sync script v1.1
# By Marius van Witzenburg <info@kitara.nl>
# http://kitara.nl
#
# Works with busybox 1.1.1 and newer versions.
#
 
# Settings
source="192.168.8.4"
target="192.168.8.9"
mailto="info@kitara.nl"
mailfrom="noreply@kitara.nl"
daemon="yes"
force="no"
waittime=5
maxlogs=48
beforetime=6
aftertime=20
 
#
# DO NOT CHANGE BELOW!
#
PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/sbin
PID=$$
rarg="-aWvz"
 
curdir=`pwd`
cd /backup/
 
echo ${PID} > /backup/run.pid
cleanup() {
    rm /backup/key
    cd ${curdir}
    ssh -ax root@${target} "test -f /backup/rsyncd.pid && kill `cat /backup/rsyncd.pid`"
    return $?
}
s_hup() {
    logger -s -p daemon.notice -t 'backup' "*** SIGHUP! Ignoring... ***"
    #exit $?
}
s_int() {
    logger -s -p daemon.notice -t 'backup' "*** SIGINT! Exiting... ***"
    cleanup 
    echo -e "From: ${mailfrom}nTo: ${mailto}nSubject: ShareSpace backup.nnSIGINT! Exiting..." | /usr/sbin/msmtp ${mailto}
    rm /backup/run.pid
    kill ${JOB}
    exit $? 
}
s_term() {
    logger -s -p daemon.notice -t 'backup' "*** SIGTERM! Exiting... ***"
    cleanup
    echo -e "From: ${mailfrom}nTo: ${mailto}nSubject: ShareSpace backup.nnSIGTERM! Exiting..." | /usr/sbin/msmtp ${mailto}
    rm /backup/run.pid
    kill ${JOB}
    exit $?
}
 
trap s_hup SIGHUP
trap s_int SIGINT
trap s_term SIGTERM
 
if [ "${daemon}" = "yes" ]
then
    logger -s -p daemon.notice -t 'backup' "Having a rest for the first run..."
    sleep 30 &
    JOB=$!
    wait ${JOB}
fi
 
while [ "true" ]
do
    # Time to backup?
    hour=`date "+%H"`
    if [ "${hour}" -lt "${beforetime}" ] || [ "$hour" -gt "${aftertime}" ]
    then
        # Change the 1 to 1-3 depending on which load you want
        loadavg=`uptime | sed 's/.*average: ([0-9]).*/1/g'`
        if [ "${loadavg}" -eq 0 ] || [ "${force}" = "yes" ]
        then
            alive=`ssh -ax -q -q -o "BatchMode=yes" -o "ConnectTimeout 5" root@${target} "echo 2>&1" && return 0 || echo 1`
            if [ "${alive}" -eq 0 ]
            then
                user=`echo $(head /dev/urandom)$(date +%Y%m%d%H%M%S%N) | md5sum | uuencode -m -| sed -n 2p | cut -c3-43 | cut -c1-${1:-16}`
                sleep 1
                pass=`echo $(head /dev/urandom)$(date +%Y%m%d%H%M%S%N) | md5sum | uuencode -m -| sed -n 2p | cut -c3-43 | cut -c1-${1:-16}`
                echo ${pass} > /backup/key
 
                test -d /backup/log || mkdir /backup/log
                test -d /backup/server || mkdir /backup/server
 
                test -f /backup/log/run.${maxlogs} && rm -f /backup/log/run.${maxlogs}
                lcur=${maxlogs}
                while [ ${lcur} -gt 1 ]
                do
                    lpre=${lcur}
                    lcur=`expr ${lcur} - 1`
                    test -f /backup/log/run.${lcur}.gz && mv /backup/log/run.${lcur}.gz /backup/log/run.${lpre}.gz
                done
                test -f /backup/log/run && mv /backup/log/run /backup/log/run.1
                test -f /backup/log/run.1 && gzip /backup/log/run.1
 
                touch /backup/log/run
 
                logger -s -p daemon.notice -t 'backup' "Creating rsync server configuration"
 
                cat > /backup/server/rsyncd.conf < <EOF
pid file = /backup/rsyncd.pid
 
[shares]
path = /shares/
comment = Rsync Server
uid = root
gid = jewab
use chroot = no
read only = no
list = no
auth users = ${user}
secrets file = /backup/rsync.users
EOF
 
                cat > /backup/server/rsync.users < <EOF
${user}:${pass}
EOF
 
                cat > /backup/server/start < <EOF
#!/bin/sh
rsync --daemon --config=/backup/rsyncd.conf &
EOF
 
                # Transfer server files
                rsync -e 'ssh -ax' ${rarg} --timeout=30 --delete /backup/server/ ${target}:/backup/ >> /backup/log/run 2>&1 &
                JOB=$!
                wait ${JOB}
 
                # Start rsync server
                ssh -ax root@${target} "sh /backup/start > /dev/null 2>&1; exit"
                JOB=$!
                wait ${JOB}
 
                # Sync internal shares and exclude usb shares
                logger -s -p daemon.notice -t 'backup' "Syncing internal shares..."
                rsync ${rarg} --timeout=60 --password-file=/backup/key --exclude="/usb[1-3]-1share1" --delete /shares/ rsync://${user}@${target}/shares/ >> /backup/log/run 2>&1 &
                JOB=$!
                wait ${JOB}
                tail -2 /backup/log/run | logger -s -p daemon.info -t 'backup'
 
                # Sync usb shares if connected
                for x in `ssh -ax root@${target} ls -l /shares/| grep "^d" | awk '{ print $9 }'`
                do
                    if [ ! -z "`expr ${x} : '(usb[0-9]-[0-9]share[0-9])'`" ]
                    then
                        if [ -d "/shares/${x}/" ]
                            then
                            logger -s -p daemon.notice -t 'backup' "Syncing ${x}..."
                            rsync ${rarg} --timeout=60 --password-file=/backup/key --delete /shares/${x}/ rsync://${user}@${target}/shares/${x}/ >> /backup/log/run 2>&1 &
                            JOB=$!
                            wait ${JOB}
                            tail -2 /backup/log/run | logger -s -p daemon.info -t 'backup'
                        fi
                    fi
                done
 
                sleep 5
 
                echo -e "From: ${mailfrom}nTo: ${mailto}nSubject: ShareSpace backup.nnCycle finished..." | /usr/sbin/msmtp ${mailto}
 
                # Shutdown rsync server
                cleanup
            else
                logger -s -p daemon.notice -t 'backup' "No access to '${target}' - aborting"
            fi
        else
            logger -s -p daemon.notice -t 'backup' "Load average on '${source}' is ${loadavg} - aborting"
        fi
    else
        logger -s -p daemon.notice -t 'backup' "Not the time to make backups - sleeping"
    fi
 
    # Daemonize or stop?
    if [ "${daemon}" != "yes" ]
    then
        logger -s -p daemon.notice -t 'backup' "Backup finished"
        break
    fi
 
    # Cycle
    logger -s -p daemon.notice -t 'backup' "Waiting for cycle (${waittime} minutes)..."
    sleep `expr ${waittime} * 60` &
    JOB=$!
    wait ${JOB}
    logger -s -p daemon.notice -t 'backup' "Running cycle..."
done
 
# EOF

#!/usr/local/bin/bash
#
# Sync backup system on ShareSpace drive
#
 
ip="192.168.8.4"
 
# Fix permissions
find /backup/sharespace/ -type d -exec chmod 700 '{}' ; 
find /backup/sharespace/ -type f -exec chmod 600 '{}' ; 
 
echo "-- Shutting down current backup"
ssh -ax root@${ip} "test -f /backup/run.pid && kill `cat /backup/run.pid`"
sleep 15
echo "-- Syncing new files"
rsync -e 'ssh -ax' -aWv --timeout=30 --exclude '.svn' --delete --delete-excluded /backup/sharespace/ root@${ip}:/backup/
echo "-- Restarting backup"
ssh -ax root@${ip} "sh /backup/ssh-wrapper > /dev/null 2>&1; exit"
 
# EOF