Backup script

gistfile1.txt

#!/bin/bash


REMOTE=server.com
REMOTE_PATH=/mnt/backup
DATE=$(date +%F)

LOCAL_PATH="/home/cactus /etc"
LOCAL_EXCLUDE=/etc/cron.daily/backup_exclude

remote () {
  ssh $REMOTE $@
}

do_backup() {
	echo 'Do backup'
	remote mkdir $REMOTE_PATH/$DATE

	rsync -az --progress --exclude-from=$LOCAL_EXCLUDE --link-dest=$REMOTE_PATH/current $LOCAL_PATH  $REMOTE:$REMOTE_PATH/$DATE

	remote unlink $REMOTE_PATH/current
	remote ln -s $REMOTE_PATH/$DATE $REMOTE_PATH/current
	remote "find $REMOTE_PATH -maxdepth 1 -type d -mtime +100 -exec rm -rf {} \;"
}


do_error() {
	echo "ERROR: host $REMOTE offline"
}

if ping -c 1 $REMOTE &> /dev/null
   then do_backup
   else do_error
fi