freebsd-ports/net-mgmt/telegraf/files/telegraf.in

#!/bin/sh
# $FreeBSD$

# PROVIDE: telegraf
# REQUIRE: DAEMON NETWORKING
# BEFORE: LOGIN
# KEYWORD: shutdown

# Add the following lines to /etc/rc.conf to enable telegrafb:
# telegraf_enable="YES"
#
# telegraf_enable (bool):	Set to YES to enable telegraf
#				Default: NO
# telegraf_conf (str):		telegraf configuration file
#				Default: ${PREFIX}/etc/telegraf.conf
# telegraf_flags (str):		Extra flags passed to telegraf

. /etc/rc.subr

name="telegraf"
rcvar=telegraf_enable
load_rc_config $name

: ${telegraf_enable:="NO"}
: ${telegraf_flags:=""}
: ${telegraf_conf:="%%PREFIX%%/etc/${name}.conf"}

# daemon
start_precmd=telegraf_prestart
pidfile="/var/run/${name}.pid"
command=/usr/sbin/daemon
command_args="-crP ${pidfile} %%PREFIX%%/bin/${name} ${telegraf_flags} -config=${telegraf_conf} 2>> /var/log/telegraf.log"

telegraf_prestart() {
# Have to empty rc_flags so they don't get passed to daemon(8)
        rc_flags=""
}

run_rc_command "$1"