collect-swapstat.sysstat-sar.sh

# Copyright 2015-2020 Rivoreo

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export LC_TIME=C
sar -S "$INTERVAL" | sed -ur -e "/^[0-9]{2}:[0-9]{2}:[0-9]{2}/!d" -e "s/[0-9]{2}:[0-9]{2}:[0-9]{2}.{4}//" | while read -r line; do
	set -- $line
	if [ $# != 5 ]; then
		echo "data error: # $# != 5" 1>&2
		continue
	fi
	[ "$1" = kbswpfree ] && continue
	if [ -n "$INFLUXDB_BASE_URL" ]; then
		http_post "${INFLUXDB_BASE_URL}write?db=$INFLUXDB_DB_NAME" \
			"swapstat,host=$HOSTNAME kbswpfree=$1,kbswpused=$2,swpused_p=$3,kbswpcad=$4,swpcad_p=$5" 1>&2
	fi
	if [ -n "$CARBON_SERVER" ]; then
		printf '%s\n%s\n%s\n%s\n%s\n' \
			"swapstat.$HOSTNAME.kbswpfree $1 -1" \
			"swapstat.$HOSTNAME.kbswpused $2 -1" \
			"swapstat.$HOSTNAME.swpused_p $3 -1" \
			"swapstat.$HOSTNAME.kbswpcad $4 -1" \
			"swapstat.$HOSTNAME.swpcad_p $5 -1"
	fi
done | send_carbon_lines