backup.sh

# TO_FOLDER=/something
# FROM=/your-es-installation

DATE=`date +%Y-%m-%d_%H-%M`
TO=$TO_FOLDER/$DATE/
echo "rsync from $FROM to $TO"
# the first times rsync can take a bit long - do not disable flusing
rsync -a $FROM $TO

# now disable flushing and do one manual flushing
$SCRIPTS/es-flush-disable.sh true
$SCRIPTS/es-flush.sh
# ... and sync again
rsync -a $FROM $TO

$SCRIPTS/es-flush-disable.sh false

# now remove too old backups
rm -rf `find $TO_FOLDER -maxdepth 1 -mtime +7` &> /dev/null

es-flush-disable.sh

# true or false
DISABLE=$1
curl -XPUT 'localhost:9200/_settings' -d '{
   "index" : {
      "translog.disable_flush" : "'$DISABLE'"
   }
}'

es-flush.sh

curl -XPOST 'localhost:9200/_flush'

print-settings.sh

curl -XGET 'localhost:9200/_settings?pretty=true'