collect-iostat.sysv-sar.sh

#!/bin/sh

# Copyright 2015-2020 Rivoreo

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# the following conditions:

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# included in all copies or substantial portions of the Software.

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if [ -z "${PROGRAM_DIR+set}" ]; then
	echo "You should not run this script directly" 1>&2
	exit 255
fi
count=2147483646
export LC_TIME=C
while sar -b "$INTERVAL" $count; do sleep 0; done | sed -ur -e "/^[0-9]{2}:[0-9]{2}:[0-9]{2}/!d" -e "s/[0-9]{2}:[0-9]{2}:[0-9]{2} //" | while read -r line; do
	set -- $line
	if [ $# != 8 ]; then
		echo "data error: # $# != 8" 1>&2
		continue
	fi
	[ "$1" = bread/s ] && continue
	if [ -n "$INFLUXDB_BASE_URL" ]; then
		http_post "${INFLUXDB_BASE_URL}write?db=$INFLUXDB_DB_NAME" \
			"iostat,host=$HOSTNAME,device=all rtps=$1,wtps=$4,raw_read_rate=$7,raw_write_rate=$8" 1>&2
	fi
	if [ -n "$CARBON_SERVER" ]; then
		printf '%s\n%s\n%s\n%s\n' \
			"iostat.$HOSTNAME.all.rtps $1 -1" \
			"iostat.$HOSTNAME.all.wtps $4 -1" \
			"iostat.$HOSTNAME.all.raw_read_rate $7 -1" \
			"iostat.$HOSTNAME.all.raw_write_rate $8 -1"
	fi
done | send_carbon_lines