Schedule CPU utilization of your cryptocurrency miner around your personal computer use patterns

xmr-mining-scheduler.sh

#!/bin/bash

#
# usage: $0 <cpu-threads>
#
# i use this script to schedule times of day when my computer is not in use can max out cpu on the miner
#
# example cron entries:
#		00 06 * * *    /path/to/xmr-mining-scheduler.sh 3
#		00	 23 * * *    /path/to/xmr-mining-scheduler.sh 4

## config

MinerProcName='xmr-stak-cpu'
MinerBinPath="${HOME}/pkg/xmr-stak-cpu/bin/xmr-stak-cpu"
MinerPidPath="${HOME}/pkg/xmr-stak-cpu/run/${MinerProcName}.pid"
# whether or not to fork the miner to the background
MinerFork=0

MinerThreads=$1
# feel free to tweak this to your system
case $MinerThreads in
[3])
	MinerConfPath="${HOME}/pkg/xmr-stak-cpu/conf/config.txt"
	;;
[4])
	MinerConfPath="${HOME}/pkg/xmr-stak-cpu/conf/config-allcores.txt"
	;;
*)
	echo "Invalid number of threads! Please choose either 3 or 4"
	exit 1
	;;
esac

## end config

## functions

function kill-pid () {
	if [ $1 ] ; then
		echo 'Sending sigterm'
	        kill -15 $1
	        sleep 2
	       	[ "`pgrep $MinerProcName`" ] && { echo 'Sending sighup' ; pkill -9 $1 ; sleep 1 ; }
	fi
}

## kill old miner process
# if the pid file exists
if [ -e $MinerPidPath ] ; then
	MinerPid=`cat $MinerPidPath`
	# try to kill the pid if its still running
	if [[ "$MinerPid" && -d /proc/${MinerPid} ]] ; then
		kill-pid $MinerPid
	# otherwise, check for a different pid for the same miner
	else
                MinerPid=`pgrep $MinerProcName`
		# kill if running
                [ "$MinerPid" ] && { kill-pid $MinerPid ; } || { echo 'Miner not running' ; }
	fi
# if the pid file doesnt exist
else
	MinerPid=`pgrep $MinerProcName`
	# kill if running
	[ "$MinerPid" ] && { kill-pid $MinerPid ; } || { echo 'Miner not running' ; }
fi

## launch replacement process
echo 'Launcing miner'
[[ $MinerFork -eq 1 ]] { $MinerBinPath $MinerConfPath 2>&1 > /dev/null & ; } || { $MinerBinPath $MinerConfPath } 

## if the miner is forked, store the pid

# store pid
sleep 1
MinerPid=`pgrep $MinerProcName`
if [ "$MinerPid" ] ; then
	echo $MinerPid > $MinerPidPath
else
	echo "Something went wrong. Miner may not have started"
	rm $MinerPidPath
fi

#eof