LinuxGSM/functions/fn_monitor

#!/bin/bash
# LGSM fn_monitor function
# Author: Daniel Gibbs
# Website: http://danielgibbs.co.uk
# Version: 080214

# Description: Monitors server by checking for running proccesses
# then passes to fn_monitor_query.

local modulename="Monitor"

fn_monitor_teamspeak3(){
fn_rootcheck
fn_syscheck
fn_logmanager
fn_printfail "Monitor is checking ${servicename}: ${servername}"
fn_scriptlog "Monitor is checking ${servername}"
sleep 0.5
fn_runcheck
fn_printwarn "Monitor detected ${servername} had stopped!\n"
fn_scriptlog "Monitor detected ${servername} had stopped!"
sleep 1
fn_status
if [ "${ts3status}" = "Server seems to have died" ]; then
	fn_printinfo "${servername} Server seems to have died"
	fn_scriptlog "${servername} Server seems to have died"
	failurereason="Server seems to have died"
elif [ "${ts3status}" = "No server running (ts3server.pid is missing)" ]; then
	fn_printinfo "${servername} No server running (ts3server.pid is missing)"
	fn_scriptlog "${servername} No server running (ts3server.pid is missing)"
	failurereason="No server running (ts3server.pid is missing)"
else
	fn_printinfo "${servername} Unknown error"
	fn_scriptlog "${servername} Unknown error"
	failurereason="Unknown error"
fi
sleep 0.5
echo -en "\n"
if [ "${emailnotification}" = "on" ]; then
	subject="${servicename} Monitor - Restarting ${servername}"
	actiontaken="restarted ${servername}"
	fn_emailnotification
fi
sleep 0.5
echo -en "\n"
fn_restartserver
}

fn_monitor_tmux(){
fn_check_root
fn_check_systemdir
fn_check_ip
fn_details_config
fn_printdots "${servername}"
fn_scriptlog "${servername}"
sleep 1
if [ ! -f "${lockselfname}" ]; then
	fn_printinfo "Disabled: No lock file found"
	fn_scriptlog "Disabled: No lock file found"
	sleep 1
	echo -en "\n"
	echo "To enable monitor run ${selfname} start"
	exit
fi
updatecheck=$(ps -ef|grep "${selfname} update"|grep -v grep|wc -l)
if [ "${updatecheck}" = "0" ]; then
	fn_printdots "Checking session: CHECKING"
	fn_scriptlog "Checking session: CHECKING"
	sleep 1
	tmuxwc=$(tmux list-sessions 2>&1|awk '{print $1}'|grep -v failed|grep -E "^${servicename}:"|wc -l)
	if [ "${tmuxwc}" -eq 1 ]; then
		fn_printok "Checking session: OK"
		fn_scriptlog "Checking session: OK"
		sleep 1
		echo -en "\n"
		fn_monitor_query
		exit
	else
		fn_printfail "Checking session: FAIL"
		fn_scriptlog "Checking session: FAIL"
		sleep 1
		echo -en "\n"
		if [ "${emailnotification}" = "on" ]; then
			subject="${servicename} Monitor - Starting ${servername}"
			failurereason="${servicename} process not running"
			actiontaken="${servicename} has been restarted"
			fn_email
		fi
		fn_scriptlog "Monitor is starting ${servername}"
		fn_start
	fi
else
	fn_printinfonl "SteamCMD is currently checking for updates"
	fn_scriptlog "SteamCMD is currently checking for updates"
	sleep 1
	fn_printinfonl "When update is complete ${servicename} will start"
	fn_scriptlog "When update is complete ${servicename} will start"
	sleep 1
fi
}

if [ "${gamename}" == "Teamspeak 3" ]; then
	fn_monitor_teamspeak3
else
	fn_monitor_tmux
fi