#!/bin/sh

# PROVIDE: zfs_exporter
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf.local or /etc/rc.conf
# to enable this service:
#
# zfs_exporter_enable (bool):          Set to NO by default.
#               Set it to YES to enable zfs_exporter.
# zfs_exporter_user (string):          Set user that zfs_exporter will run under
#               Default is "nobody".
# zfs_exporter_group (string):         Set group that zfs_exporter will run under
#               Default is "nobody".
# zfs_exporter_args (string):          Set extra arguments to pass to zfs_exporter
#               Default is "".
# zfs_exporter_listen_address (string):Set ip:port that zfs_exporter will listen on
#               Default is "0.0.0.0:9145".

. /etc/rc.subr

name=zfs_exporter
rcvar=zfs_exporter_enable

load_rc_config $name

: ${zfs_exporter_enable:="NO"}
: ${zfs_exporter_user:="nobody"}
: ${zfs_exporter_group:="nobody"}
: ${zfs_exporter_args:=""}
: ${zfs_exporter_listen_address:="0.0.0.0:9145"}
: ${zfs_exporter_textfile_dir:="/var/tmp/zfs_exporter"}


pidfile=/var/run/zfs_exporter.pid
command="/usr/sbin/daemon"
procname="/usr/local/bin/zfs-exporter"
address=$(echo $zfs_exporter_listen_address | cut -d: -f1)
port=$(echo $zfs_exporter_listen_address | cut -d: -f2)
command_args="-f -p ${pidfile} -T ${name} \
    /usr/bin/env ROCKET_address=${address} ROCKET_port=${port} \
    ${procname} \
    --listen-address=${zfs_exporter_listen_address} \
    --exporter.textfile.directory=${zfs_exporter_textfile_dir} \
    ${zfs_exporter_args}"

start_precmd=zfs_exporter_startprecmd

zfs_exporter_startprecmd()
{
    if [ ! -e ${pidfile} ]; then
        install \
            -o ${zfs_exporter_user} \
            -g ${zfs_exporter_group} \
            /dev/null ${pidfile};
    fi
}

load_rc_config $name
run_rc_command "$1"