#!/sbin/runscript
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

: ${COLLECTD_PIDFILE:='/var/run/collectd/collectd.pid'}
: ${COLLECTD_CFGFILE:='/etc/collectd.conf'}
: ${COLLECTD_NICELVL:='5'}
: ${COLLECTD_USER:='collectd'}

extra_started_commands="${opts} configtest"

depend() {
	use net
}

configtest() {
	ebegin "Checking ${SVCNAME} configuration"
	checkconfig
	eend $?
}

checkconfig() {
	if [[ $(sed '/^$\|^#/d' ${COLLECTD_CFGFILE} | grep -c 'LoadPlugin\w\+oracle') != 0 ]] ; then
		if [[ -e /etc/env.d/50oracle-instantclient-basic ]] ; then
			source /etc/env.d/50oracle-instantclient-basic
		        export ORACLE_HOME
		        export TNS_ADMIN
		else
			ewarn "Unable to set Oracle environment, Oracle plugin wont work"
		fi
	fi

	/usr/sbin/collectd -t -C "${COLLECTD_CFGFILE}" 1>/dev/null 2>&1
	ret=$?
	if [ $ret -ne 0 ]; then
		eerror "${SVCNAME} has detected an error in your setup:"
		/usr/sbin/collectd -t -C "${COLLECTD_CFGFILE}"
	fi

	return $ret
}

start() {
	checkconfig || return 1
	[ -d /var/run/collectd ] || mkdir /var/run/collectd && chown collectd:collectd /var/run/collectd

	ebegin "Starting collectd"
	start-stop-daemon --start --user "${COLLECTD_USER}:collectd" \
		--nicelevel "${COLLECTD_NICELVL}" --exec /usr/sbin/collectd -- \
			-P "${COLLECTD_PIDFILE}" -C "${COLLECTD_CFGFILE}"
	eend $? "Failed to start collectd"
}

stop() {
	ebegin "Stopping collectd"
	start-stop-daemon --stop \
		--pidfile "${COLLECTD_PIDFILE}"
	eend $? "Failed to stop collectd"
}