createPid-bash

#!/bin/bash
# this script creates a pid file for running coral processes
# this script can only be run by coral user

# create pid directory
PIDDIR=~/pids
mkdir -p $PIDDIR

# check coral user ID 
CORALUID=$(id -u coral)

# list out the coral processes that are active and running
PROCESSES="$(systemctl -t service | grep coral-  | grep running | grep -v autopilot | grep -v httpd |  awk '{ print $1 }' | sed 's/coral-//' | sed  's/.service//')"

# PROCESSES is a string of running processes in multiple lines, each of which should be an element. Hence using mapfile
mapfile -t PROCESSES_ARRAY <<< "$PROCESSES"

# loop through the processes and create a pid file for each of them
for p in "${PROCESSES_ARRAY[@]}"; do
  pgrep -f "$p" -U "$CORALUID" > $PIDDIR/"$p".pid
done