This is a simple script that will run against a local elasticsearch instance and search for one index name and rename it to another index name. rename-indexes.sh oldname newname

rename-indexes.sh

#!/bin/bash
for i in `/usr/bin/curl -s 'http://localhost:9200/_cat/indices?v' 2>&1 | grep $1 | awk '{print $3}'`
do
        echo "Starting on $i"
        NEWFILE=$( echo $i | sed "s/$1-/$2-/")
        echo -n "Converting $i to $NEWFILE ..."
        STATUSCODE=$(/usr/bin/curl -o /dev/null -s --write-out "%{http_code}" -i -H "Accept: application/json" -H "Content-Type: application/json" -X POST -d "{\"source\":{\"index\":\"$i\"},\"dest\":{\"index\":\"$NEWFILE\"}}" http://localhost:9200/_reindex )
        if test $STATUSCODE -eq 200; then
                echo " done."
                echo -n "Deleting $i..."
                RETURNCODE=$(/usr/bin/curl -o /dev/null -s --write-out "%{http_code}" -i -X DELETE http://localhost:9200/$i)
                if test $RETURNCODE -eq 200; then
                        echo " done."
                else
                        echo " failed."
                fi
        fi
done