files/rrdcached.init

rrdcached.init (text/plain), 2.39 KB, created by YiKai on 2014-05-27 10:23:08 UTC

#!/sbin/runscript
# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

run_dir=${run_dir:-/run/rrdcached}
pidfile=${run_dir}/${SVCNAME}.pid

user=${user:-rrdcached}
group=${group:-rrdcached}

write_timeout=${write_timeout:-300}
flush_timeout=${flush_timeout:-3600}
write_threads=${write_threads:-4}
journal_dir=${journal_dir:-"/var/lib/rrdcached/journal"}
flush_when_shutdown=${flush_when_shutdown:-"yes"}
output_dir=${output_dir:-"/var/lib/rrdcached/db"}
restrict_to_output_dir=${restrict_to_output_dir:-"no"};
other_rrdcached_args=${other_rrdcached_args:-""}

command="/usr/bin/rrdcached"
command_args="${other_rrdcached_args}	\
		-p ${pidfile} 		\
		-w ${write_timeout} 	\
		-f ${flush_timeout}	\
		-t ${write_threads}	\
		-j ${journal_dir}	\
		-b ${output_dir}"
start_stop_daemon_args="--quiet --user ${user}:${group}"
description="RRDtool data caching daemon"


depend() {
	need localmount net
	use logger
}

_eval_var() {
	local i=$1
	eval " 	address=\${address${i}}
		gid=\${gid${i}:-"rrdcached"}
		mode=\${mode${i}:-"660"}
		commands=\${commands${i}:-""}"
}

_parse_confd() {
	if [ -n "${write_delay}" ]; then
		command_args="${command_args} -z ${write_delay}"
	fi
	if yesno "${flush_when_shutdown}" ; then
		command_args="${command_args} -F"
	fi
	if yesno "${restrict_to_output_dir}" ; then
		command_args="${command_args} -B"
	fi
	local idx=`set | grep address | awk -F "=" '{print $1}' | sed 's/address//'`
	for i in ${idx}; do
		_eval_var ${i}
		# set gid in start_post function
		command_args="-m ${mode} -P ${commands} -l ${address} ${command_args}"
		einfo "  binding address: ${address}"
		einfo "            group: ${gid}"
		einfo "             mode: ${mode}"
		einfo "         commands: ${commands}"
	done
}

start_pre() {
	checkpath -d -m 0755 -o "${user}":"${group}" "${run_dir}"
	if [ ! -f ${config_file} ]; then
		eerror "Missing configuration file ${config_file}"
		return 1
	fi

	_parse_confd
}

start_post() {
	# if rrdcached run as non-privilege user
	# rrdcached: failed to set socket group permissions (Operation not permitted)
	local idx=`set | grep address | awk -F "=" '{print $1}' | sed 's/address//'`
	for i in ${idx}; do
		_eval_var ${i}
		if [[ "${address}" == unix:* ]] ; then
			local path=`echo ${address} | awk -F ":" '{print $2}'`
			ewaitfile 10 ${path}
			ret=$?
			[ $ret -eq 0 ] || return ${ret}
			chgrp ${gid} ${path}
		fi
	done
}