Graphite's Carbon Relay init script written for OpenRC

carbon-relay.openrc

#!/sbin/openrc-run
# 2020-08-10: @markizano
# Written by inference from https://wiki.gentoo.org/wiki/Handbook:X86/Working/Initscripts
#   and https://gist.github.com/robinwl/5ec20144364557b83d90

user=${CARBON_USER:-graphite}
group=${CARBON_GROUP:-apps}

description="An init script for Graphite's carbon-cache daemon."

pidfile=${CARBON_PIDFILE:-"/run/carbon-relay.pid"}
command="${CARBON_BIN:-"/usr/local/bin/carbon-relay.py"}"
command_args="--syslog --umask=0022 --config=${CARBON_CONFIGFILE:-"/etc/carbon/carbon-relay.conf"} --pidfile=${pidfile}"

start_stop_daemon_args=${CARBON_SSDARGS:-"--wait 1000"}
retry=${CARBON_TERMTIMEOUT:-"TERM/60/KILL/5"}

depend() {
	need net
	use dns logger netmount
}

stop_post() {
	rm -f ${pidfile}
}

start() {
	ebegin "Starting ${DAEMON:-"carbon-relay"}"
	${command} ${command_args} start
	eend $? "failed"
}

stop() {
	ebegin "Stopping ${DAEMON:-"carbon-relay"}"
	${command} ${command_args} stop
	eend $? "failed"
}

status() {
	ebegin "Checking ${DAEMON:-"carbon-relay"}"
	${command} ${command_args} status
	eend $? ""
}