FreeTymeKiyan

HOST=YOUR_ES_HOST
PORT=YOUR_ES_PORT
TO_NODE=DESTINATION_NODE_NAME

curl "http://$HOST:$PORT/_cat/shards" | grep UNAS | awk '{print $1,$2}' | while read var_index var_shard; do 
  curl -XPOST "http://$HOST:$PORT/_cluster/reroute" -d "
    { 
      \"commands\" : [ 
        { 
          \"allocate\" : 

FreeTymeKiyan

# example python script

# pip install requests before using requests
import requests
import json

HOSTNAME="your.elasticsearch.host.com" # hostname
PORT=9200 # port number
NODE_NAME="node001" # node to reroute to