SHOUTcast auto-restart script to restart SHOUTcast DNAS server automatically on failure. Can be tested with --test flag

shoutcast-autorestart.sh

#!/bin/bash
#
# SHOUTcast auto-restart script.
# Copyright 2020 Charlie Britton
#
# Run this script as a cronjob, setting BASEDIR to the SHOUTcast directory and
# the sc_serv binary and config files below.
#
# Example cron config logging everything:
# * * * * * /path/to/this/file >> /var/log/shoutcast-autorestart.log >> /var/log/shoutcast-autorestart.log
#
# Example cron config logging just errors:
# * * * * * /root/sc-server/shoutcast-autorestart.sh 2>>/var/log/shoutcast-autorestart.log

# Directory SHOUTcast is in
BASEDIR=$(dirname "$0")

# Binary path
BINARY=$BASEDIR/sc_serv

# Config path
CONFIG=$BASEDIR/sc_serv.conf

echo -e "$(date --iso=s -u) [INFO] Running SHOUTcast auto-restart script now. Copyright 2020 Charlie Britton"

# Kills SHOUTcast then runs the rest of the script.
if [[ $* == *--test* ]]
then

  echo "$(date --iso=s -u) [TEST] Attempting to kill SHOUTcast."

  # Logic if SHOUTcast is running
  if [[ `pgrep sc_serv` != "" ]]
  then

    echo "$(date --iso=s -u) [TEST] sc_serv is running. Killing now."
    kill -9 $(pidof sc_serv)
    sleep 1

    # Check it has exited
    if [[ `pgrep sc_serv` != "" ]]
    then
      echo "$(date --iso=s -u) [TEST] sc_serv shouldn't be running, but it is! Exiting with status 1"
      exit 1
    fi

  # Lgoic if SHOUTcast already stopped
  else

    echo "$(date --iso=s -u) [TEST] sc_serv already stopped. Continuing execution."

  fi

  echo -e "$(date --iso=s -u) [TEST] Beginning normal script now.\n"

fi

RESULT=`pgrep sc_serv`

if [[ $RESULT == "" ]];
then

  echo -e "$(date --iso=s -u) [WARN] sc_serv not running!" 1>&2;
  echo -e "$(date --iso=s -u) [INFO] Running $BINARY daemon $CONFIG now." 1>&2;
  printf "$(date --iso=s -u) [INFO] "
  $BINARY daemon $CONFIG

else

  echo "$(date --iso=s -u) [INFO] sc_serv is running PID: $RESULT)."

fi