create-indices.sh

#!/bin/bash
OLD_CLUSTER=localhost:9201
NEW_CLUSTER=localhost:9202
OLD_CLUSTER_SERVICE=logging-elastic-service-old:9200
indices=$(curl $OLD_CLUSTER/_cat/indices | awk '{ print $3 }')
for index in $indices ; do
 # get your indices prefix, write this regex to grasp your indices but skip .kibana index
 if ! [[ $index =~ ^log.*$ ]]; then
  continue
 fi
 printf "\n=====Creating index mapping for ${index}=====\n"
 # Don't forget to add your mapping into the payload
 curl -XPUT "${NEW_CLUSTER}/${index}" -H 'content-type: application/json' -d '{"settings":{"number_of_shards":2,"number_of_replicas":1},"mappings":{<<YOUR_MAPPING_GORES_HERE>>}}'
done