#!/bin/sh

# PROVIDE: nuke
# REQUIRE: DAEMON NETWORKING
# KEYWORD: shutdown

# Add the following lines to /etc/rc.conf.local or /etc/rc.conf to enable nuke:
# nuke_enable (bool):        Set to "NO" by default.
#                              Set it to "YES" to enable nuke.
# nuke_user (user):          Set to "www" by default.
#                              User to run nuke as.
# nuke_group (group):        Set to "www" by default.
#                              Group to run nuke as.
# nuke_bin (str):            Set to "/usr/local/bin/nuke" by default.
#                              Location of the nuke binary
# nuke_args (str):           Set to "" by default.
#                              Extra flags passed to nuke.
# nuke_env (str):            Set to "" by default.
#                              List of environment variables to be set before starting..
# nuke_env_file (str):       Set to "/etc/nuke.env" by default.
#                              Location of a file containing environment variables.
#
# Closely follows the init script from https://cgit.freebsd.org/ports/tree/www/go-anubis/files/anubis.in
# with a couple of adjustments for more flexible environment variable handling

. /etc/rc.subr

name=nuke
rcvar=nuke_enable

load_rc_config ${name}

: ${nuke_enable="NO"}
: ${nuke_user="www"}
: ${nuke_group="www"}
: ${nuke_bin="/usr/local/bin/nuke"}
: ${nukeargs=""}
: ${nuke_env=""}
: ${nuke_env_file="/etc/nuke.env"}

pidfile=/var/run/${name}.pid
daemon_pidfile=/var/run/${name}-daemon.pid
command=/usr/sbin/daemon
procname=${nuke_bin}
logfile=/var/log/${name}.log
command_args="-c -f -R 5 -r -T ${name} -p ${pidfile} -P ${daemon_pidfile} -o ${logfile} ${procname} ${nuke_args}"
start_precmd=nuke_startprecmd
stop_postcmd=nuke_stoppostcmd

nuke_startprecmd () {
    if [ ! -e ${logfile} ]; then
        install -o ${nuke_user} -g ${nuke_group} /dev/null ${logfile}
    fi
    if [ ! -e ${daemon_pidfile} ]; then
        install -o ${nuke_user} -g ${nuke_group} /dev/null ${daemon_pidfile}
    fi
    if [ ! -e ${pidfile} ]; then
        install -o ${nuke_user} -g ${nuke_group} /dev/null ${pidfile}
    fi
}

nuke_stoppostcmd() {
    if [ -f "${daemon_pidfile}" ]; then
        pids=$( pgrep -F ${daemon_pidfile} 2>&1 )
        _err=$?
        [ ${_err} -eq 0 ] && kill -9 ${pids}
    fi
}


run_rc_command "$1"