collect-memstat.atop-sar.sh

#!/bin/sh

# Copyright 2015-2020 Rivoreo

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# a copy of this software and associated documentation files (the
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# without limitation the rights to use, copy, modify, merge, publish,
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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 "${PROGRAM_DIR+set}" ]; then
	echo "You should not run this script directly" 1>&2
	exit 255
fi
export LC_TIME=C
atopsar -m "$INTERVAL" | sed -ur -e 1,5d -e "s/^.{9}//" | while read -r line; do
	set -- $line
	if [ $# -lt 6 ]; then
		echo "data error: # $# less then 6" 1>&2
		continue
	fi
	[ "$1" = memtotal ] && continue
	[ "${1%M}" = "$1" ] && continue
	[ "${2%M}" = "$2" ] && continue
	memfree_mib="${2%M}"
	wired_mib="${3%M}"
	cached_mib="${4%M}"
	inactive_mib="${5%M}"
	active_mib="${6%M}"
	if [ -n "$INFLUXDB_BASE_URL" ]; then
		http_post "${INFLUXDB_BASE_URL}write?db=$INFLUXDB_DB_NAME" \
			"memstat,host=$HOSTNAME memfree_mib=$memfree_mib,wired_mib=$wired_mib,cached_mib=$cached_mib,inactive_mib=$inactive_mib,active_mib=$active_mib"
	fi
	if [ -n "$CARBON_SERVER" ]; then
		printf '%s\n%s\n%s\n%s\n%s\n' \
			"memstat.$HOSTNAME.memfree_mib $memfree_mib -1" \
			"memstat.$HOSTNAME.wired_mib $wired_mib -1" \
			"memstat.$HOSTNAME.cached_mib $cached_mib -1" \
			"memstat.$HOSTNAME.inactive_mib $inactive_mib -1" \
			"memstat.$HOSTNAME.active_mib $active_mib -1"
	fi
done | send_carbon_lines