Add basic sql backup script

This script is currently only for racknerd host, and needs to be
altered for others, as well as having the password removed.

backup/backup_sql.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# TODO: Use a password file instead of passing password to script
+
+SERVER=racknerd
+BACKUPDIR=/home/nathan/backups/$SERVER
+DATE=$(date +%Y%m%d)
+DBS="$(mysql -u admin -ppassword -Bse 'show databases' | egrep -v '^Database$|hold$' | grep -v 'performance_schema\|information_schema\|mysql')"
+REMOTE=nathan@alphavps.aney.co.uk
+REMOTEBACKUP=~/backups/sql/$SERVER
+
+for DB in ${DBS[@]};
+do 
+	mkdir -p $BACKUPDIR/$DB
+	# Take the backup
+	mysqldump -u admin -ppassword $DB > $BACKUPDIR/$DB/${DB}_${DATE}
+	# tarball the backup
+	# Change the directory, to prevent backup to all path
+	cd $BACKUPDIR
+	tar -zcf $DB/${DB}_${DATE}.gz $DB/${DB}_${DATE}
+	# remove untarballed
+	rm $BACKUPDIR/$DB/${DB}_${DATE}
+
+	ssh nathan@alphavps.aney.co.uk mkdir -p $REMOTEBACKUP/$DB 
+	scp $BACKUPDIR/$DB/${DB}_${DATE}.gz nathan@alphavps.aney.co.uk:$REMOTEBACKUP/$DB
+done
+