Top-like ElasticSearch status script

estop.sh

#!/bin/bash

clear

function header {

    dt=$(date)
    printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
    echo " EStop :: $1 :: Last Update - $dt"
    printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
}

function health {
  while true
  do
     OUT=$(curl -s 'localhost:9200/_cat/health?v&ts=0')
     clear
     header 'Cluster Health'
     echo -ne "$OUT"
     sleep $1
     #tput cuu1
     #tput el
     #tput cuu1
     #tput el
  done
}

function threadpool {
  while true
  do
     OUT=$(curl -s 'localhost:9200/_cat/thread_pool?v&ts=0')
     clear
     header 'Thread Pool'
     echo -ne "$OUT"
     sleep $1
  done
}

function allocation {
  while true
  do
     OUT=$(curl -s 'localhost:9200/_cat/allocation?v&ts=0')
     clear
     header 'Disk Allocation'
     echo -ne "$OUT"
     sleep $1
  done
}

function recovery {
  while true
  do
     OUT=$(curl -s 'localhost:9200/_cat/recovery?v')
     clear
     header 'Recovery'
     echo -ne "$OUT"
     sleep $1
  done
}

if [ "$1" == "health" ]; then
  health $2
elif [ "$1" == "threadpool" ]; then
  threadpool $2
elif [ "$1" == "allocation" ]; then
    allocation $2
elif [ "$1" == "recovery" ]; then
    recovery $2
fi