PM2 Graceful Reload - Halt Release if errors in code

pm2-graceful-reload.sh

#!/bin/bash
RED='\033[0;31m'
NC='\033[0m' # No Color
printf "I ${RED}love${NC} Github\n "
# Assumption: PM2 running in cluster mode with atleast 2 instances, Instance ID's: 1, 2 name: api

echo -e  "\n\n1. #################### Reseting Restart counters in PM2"
pm2 reset api

PID=1
echo -e "\n\n2. #################### Restarting PM2 id $PID"
pm2 reload "$PID"

pm2 ls

echo -e "\n\n3. #################### Sleeping for 15 seconds"
sleep 15s
echo -e "\n\n4. #################### 15 seconds completed"

echo  -e "\n\n5. Checking process app1(id:$PID) is greacefully reloaded. ?"
STATUS=$(pm2 describe "$PID" | grep online)

echo -e "\n\n6. Response from - pm2 describe $PID | grep online"
echo "$STATUS";

if [ ! -z "$STATUS" ];
then 
	echo -e "\n\n6. Process not restarting all threads";
  pm2 reload api
else 
  # stoping process if not comes online within 15 seconds
  pm2 stop "$PID";	
  echo -e "\n\n${RED}7. Process is not online. release failed${NC}"; 
fi