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#!/bin/zsh
setopt no_unset extended_glob
H=${COLLECTD_HOSTNAME:-$HOST}
INTERVAL=${COLLECTD_INTERVAL:-10}

putval(){
	printf 'PUTVAL %s/%s/gauge-%s N:%s\n' "$@" || exit $?
}

a() {
	awk '
BEGIN{
	FS=": "
}
function putval(name, val) {
	printf "PUTVAL %s/zsv-%s/gauge-%s N:%f\n", H, $3, name, val
}
/^(ok|timeout): (run|down|finish): /{
	sub(/\(pid [0-9]*\) /,"",$4)
	sub(/s.*/,"",$4)
	sub(/.*\//,"",$3)
	putval("ok", $1 == "ok" ? 1 : 0)
	putval("uptime", $2 == "run" ? $4 : -$4)
}
' "$@" || exit $?
}

while sleep $INTERVAL; do
	sv check /run/service/*(N) | a H=$H

	for d in /etc/vservers/*(/N); do
		vs=$d:t
		vserver $vs running
		up=$?
		putval $H exe-vserver ${vs}_running $up
		if (($up == 0)); then
			vserver $vs exec /bin/sh -c 'sv check /run/service/*' | a H=$vs.$H
		fi
	done
done