collect-loadavg.linux-procfs.sh

#!/bin/sh

# Copyright 2015-2020 Rivoreo

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if [ -z "${PROGRAM_DIR+set}" ]; then
	echo "You should not run this script directly" 1>&2
	exit 255
fi

[ -n "$LINPROCFS" ] && [ -f "$LINPROCFS/loadavg" ] && proc_loadavg_file="$LINPROCFS/loadavg" || proc_loadavg_file=/proc/loadavg
while true; do
	eval "`sed -r -e 's/^/avg1m=/' -e 's/ /;avg5m=/' -e 's/ /;avg15m=/' -e 's/ .+//' \"$proc_loadavg_file\"`" || exit 1
	if [ -n "$INFLUXDB_BASE_URL" ]; then
		http_post "${INFLUXDB_BASE_URL}write?db=$INFLUXDB_DB_NAME" \
			"loadavg,host=$HOSTNAME avg1m=$avg1m,avg5m=$avg5m,avg15m=$avg15m" 1>&2
	fi
	if [ -n "$CARBON_SERVER" ]; then
		printf '%s\n%s\n%s\n' \
			"loadavg.$HOSTNAME.avg1m $avg1m -1" \
			"loadavg.$HOSTNAME.avg5m $avg5m -1" \
			"loadavg.$HOSTNAME.avg15m $avg15m -1"
	fi
	sleep "$INTERVAL"
done | send_carbon_lines