QNAP scripts

cronitor-run.sh

#!/bin/bash
#####################################################################
# Monitoring script for use with QNAP boxes and cronitor.io.
#####################################################################

DATA_DIR="/share/MD0_DATA"
RUN_DIR="/share/MD0_DATA/homes/admin/run"
uptime_save="$RUN_DIR"/uptime_cronitor
monitorid="QbBI8O"
cronitor_run_url="https://cronitor.link/$monitorid/run"
cronitor_complete_url="https://cronitor.link/$monitorid/complete"
cronitor_fail_url="https://cronitor.link/$monitorid/fail"

AWK=/bin/awk
CAT=/bin/cat
CP=/bin/cp
CUT=/bin/cut
DF=/bin/df
WGET=/usr/bin/wget

#####################################################################
function humanize_uptime() {
	echo "$1" | "$AWK" '{
		fmt="%dd%02dh%02dm\n";
		d=int($1/(3600*24));
		h=int($1%(3600*24)/3600);
		m=int($1%3600/60);
		printf(fmt, d, h, m)
	}'
}

function uptime_diff() {
	echo "$1 $2" | "$AWK" '{
		diff = $1 - $2;
		print diff;
		if (diff < 0) { exit 1; }
		else { exit 0; }
	}'
}
#####################################################################

# first run = initialize
if ! [ -f "$uptime_save" ]; then
	"$CAT" /proc/uptime > "$uptime_save"
fi

# get and update uptimes
uptime_before=$("$CUT" -d\  -f1 < "$uptime_save")
"$CAT" /proc/uptime > "$uptime_save"
uptime_now=$("$CUT" -d\  -f1 < "$uptime_save")

# get info
storage=$("$DF" -h "$DATA_DIR" | "$AWK" 'END{print "capacity:"$2 " used:"$3 " available:"$4}')
uptime="uptime:$(humanize_uptime "$uptime_now")"

# initial ping
"$WGET" -q -O /dev/null -T 10 "$cronitor_run_url"?msg="$uptime $storage" || true
sleep 5

# check diff and do actions
uptime_diff "$uptime_now" "$uptime_before" > /dev/null
if [ "$?" -eq 0 ]; then
	"$WGET" -q -O /dev/null -T 10 "$cronitor_complete_url"?msg="ok" || true
else
	uptime_before_fail=$(humanize_uptime "$uptime_before")
	"$WGET" -q -O /dev/null -T 10 "$cronitor_fail_url"?msg="failed after $uptime_before_fail" || true
fi