Backup BIND zone files to S3

Backup zone files to s3

#!/bin/sh
# Any copyright is dedicated to the Public Domain.
# http://creativecommons.org/publicdomain/zero/1.0/
#### BEGIN CONFIG ####

# Make a temp file for list of file to backup
# Chroot breaks the ability to just backup the directory
OF=$(mktemp /tmp/tar_config.XXXX) || { echo "Can't get temp file"; exit 1; }
LIST=$OF

#Who to email
NOTIFY="some@email.tld"

# set dates for backup rotation
NOWDATE=`date +%Y-%m-%d-%H`
# set backup directory variables
SRCDIR='/tmp'
DESTDIR='named_config'
S3CONF='/root/.s3cfg-file'
BUCKET='s3-bucket-name'

#commands
TARCMD='/bin/tar -czf'
TARFAIL='mail -s 'Tar Creation has failed' ${NOTIFY} </dev/null'
S3CMD='/usr/bin/s3cmd --mime-type=application/x-gzip -c ${S3CONF}'
S3FAIL='mail -a /tmp/named_config-${NOWDATE}.tar.gz -s 'DNS Backup File, s3 put failed' ${NOTIFY} </dev/null'

#### END CONFIG ###

doBackup(){
	# Make a list of files to backup
	# Chroot breaks the ability to just backup the directory
	##This for loop looks for reverse zonefiles, zone file for domain, and dns-sec keys wildcards accepted##
	for i in $(ls -l /var/named/{*.arpa,domain.tld,K*} | awk {'print $9'}); do echo "${i}" >> $LIST;done
	$TARCMD $SRCDIR/named_config-$NOWDATE.tar.gz -T $LIST || $TARFAIL
}

putBackup(){
	$S3CMD put $SRCDIR/named_config-$NOWDATE.tar.gz s3://$BUCKET/$DESTDIR/ || $S3FAIL
}

#Not needed for now. Currently using S3 bucket policy for rotation
#This nicely removes 1 week old files
#delS3Backup(){
#	LASTDATE=$(date +%Y-%m-%d-$H --date='1 week ago')
#	$S3CMD del --recursive s3://$BUCKET/$DESTDIR/named_config-$LASTDATE.tar.gz
#}
cleanTemp(){
	rm -f /tmp/tar_config.*; rm -f /tmp/named_config-*
}

#doBackup && putBackup && delS3Backup && cleanTemp
doBackup && putBackup && cleanTemp