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#!/bin/bash
## this is to automate the amanda setup
## variables used.
SERVICE=bluelight
FREQ=-weekly # frequence of the backup
MOUNTPOINT1=/media/backup-data # mountpoint for holding
MOUNTPOINT2=/media/backup-data2 # mountpoint for backup
TAPE=`echo ${SERVICE}${FREQ} | tr [a-z] [A-Z]`
## create the directory structure for the folders to keep the backup
mkdir ${MOUNTPOINT1}/amanda ${MOUNTPOINT1}/amanda/holding ${MOUNTPOINT1}/amanda/holding/${SERVICE}${FREQ}
chown backup.disk -R ${MOUNTPOINT2}/amanda/*
chown backup.disk -R ${MOUNTPOINT1}/amanda/*
## create the config in /etc/amanda
mkdir /etc/amanda/${SERVICE}${FREQ}
touch /etc/amanda/${SERVICE}${FREQ}/amanda.conf
touch /etc/amanda/${SERVICE}${FREQ}/disklist
chown -R backup.backup /etc/amanda/${SERVICE}${FREQ}
## The config files
cat << EOF > /etc/amanda/${SERVICE}${FREQ}/amanda.conf
org "Bluelight"
mailto "bluelight@auroville.org.in"
dumpcycle 28
runspercycle 4
runtapes 15
tapecycle 60
dumpuser "backup"
tpchanger "chg-disk" # a virtual tape changer
tapedev "file:/media/backup-data2/amanda/vtapes/bluelight-weekly"
changerfile "/var/lib/amanda/bluelight-weekly/changerfile"
labelstr "BLUELIGHT-WEEKLY-.*"
#label_new_tapes "BLUELIGHT-WEEKLY-%%"
tapetype DVD_SIZED_DISK
logdir "/var/lib/amanda/bluelight-weekly"
infofile "/var/lib/amanda/bluelight-weekly/curinfo"
indexdir "/var/lib/amanda/bluelight-weekly/index"
tapelist "/var/lib/amanda/bluelight-weekly/tapelist"
holdingdisk hd1 {
 directory "/media/backup-data/amanda/holding/bluelight-weekly"
}
define dumptype comp-tar {
 program "GNUTAR"
 compress fast
 index yes
# record no # Important! avoid interfering with production runs
} 
define dumptype user-tar-span {
 comp-tar
 tape_splitsize 445 MB
 holdingdisk no
 split_diskbuffer "/media/backup-data/amanda/holding/diskbuffer"
 fallback_splitsize 100M
 comment "tape-spanning user partitions dumped with tar"
 compress none
}
define dumptype user-tar-span-home {
 user-tar-span
 comment "exluding all the unwanted things from /home"
 exclude list "/etc/exclude-list"
 compress none
}
define tapetype DVD_SIZED_DISK {
 filemark 4 KB
 length 4482 MB
}
EOF

## create the disklist
cat <<EOF > /etc/amanda/${SERVICE}${FREQ}/disklist
rose.bluelight.av /etc user-tar-span
rose.bluelight.av /root user-tar-span
rose.bluelight.av /var user-tar-span
#192.168.10.12 /home/aufilduweb/data/Entreprises/Auroville/ user-tar-span
#
#192.168.10.12 /var/www/./programming /var/www {
# user-tar-span
## auth "bsdtcp"
# include "./meeting"
# include "./act"
# include "./mm_visitor_access"
#} 2
#this section is for everything in /home
######
rose.bluelight.av /home/./bharathy /home/ {
 user-tar-span-home 
 include "./bharathy"
} 1
rose.bluelight.av /home/./juergen /home/ {
 user-tar-span-home 
 include "./juergen"
} 1
rose.bluelight.av /home/./resources /home/ {
 user-tar-span-home 
 include "./resources"
} 1
rose.bluelight.av /home/./rest /home/ {
 user-tar-span-home 
 exclude append "./bharathy"
 exclude append "./juergen"
 exclude append "./resources"
 exclude append "./backup"
 exclude append "./backup_services"
 exclude append "./rdiff-backup"
 exclude append "./classes"
 exclude append "./joy"
 exclude append "./sincerity"
 exclude append "./surrender"
 exclude append "./music"
} 1
######
EOF

## as the backup user create all the virtual tapes and label them
su backup -c "mkdir ${MOUNTPOINT2}/amanda/vtapes/${SERVICE}${FREQ}"
for i in `seq 30`; do su backup -c "mkdir ${MOUNTPOINT2}/amanda/vtapes/${SERVICE}${FREQ}/slot$i"; done
cd ${MOUNTPOINT2}/amanda/vtapes/${SERVICE}${FREQ} && ln -s slot1 data

## create the tapelist
su backup -c "mkdir /var/lib/amanda/${SERVICE}${FREQ}"
su backup -c "touch /var/lib/amanda/${SERVICE}${FREQ}/tapelist"

## label the tapes
for i in `seq 30`; do su backup -c "/usr/sbin/amlabel ${SERVICE}${FREQ} ${TAPE}-$i slot $i"; done
[ -d /root/scripts ] || mkdir /root/scripts

## create the starting script
cat <<EOF > /root/scripts/amanda-${SERVICE}${FREQ}-backup
#!/bin/bash
su backup -c "/usr/sbin/amdump ${SERVICE}${FREQ}"
sleep 20
# if the machine should stay on after the backup create a file in / called no
# ie touch /no
if [ -f /no ]
then
 rm -f /no
 exit 0
else
 /sbin/halt
fi
exit 0
EOF
chmod +x /root/scripts/amanda-${SERVICE}${FREQ}-backup
exit 0

 # m h dom mon dow command
17 12 * * 1-4 /root/scripts/backup-bluelight
17 12 * * 5 /root/scripts/backup-bluelight-weekly

amrecover bluelight-weekly

AMRECOVER Version 2.5.2p1. Contacting server on localhost ...