#!/bin/sh

# PROVIDE: collectd_exporter
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf.local or /etc/rc.conf
# to enable this service:
#
# collectd_exporter_enable (bool):          Set to NO by default.
#               Set it to YES to enable collectd_exporter.
# collectd_exporter_user (string):          Set user that collectd_exporter will run under
#               Default is "nobody".
# collectd_exporter_group (string):         Set group that collectd_exporter will run under
#               Default is "nobody".
# collectd_exporter_args (string):          Set extra arguments to pass to collectd_exporter
#               Default is "".
# collectd_exporter_listen_address (string):Set ip:port that collectd_exporter will listen on
#               Default is ":9103".
# collectd_exporter_collectd_listen_address (string):Set ip:port that collectd_exporter will listen on
#               Default is ":25826".

. /etc/rc.subr

name=collectd_exporter
rcvar=collectd_exporter_enable

load_rc_config $name

: ${collectd_exporter_enable:="NO"}
: ${collectd_exporter_user:="nobody"}
: ${collectd_exporter_group:="nobody"}
: ${collectd_exporter_args:=""}
: ${collectd_exporter_log_file:="/var/log/collectd_exporter.log"}
: ${collectd_exporter_listen_address:=":9103"}
: ${collectd_exporter_collectd_listen_address:=":25826"}

pidfile=/var/run/collectd_exporter.pid
command="/usr/sbin/daemon"
procname="%%PREFIX%%/bin/prometheus-collectd-exporter"
command_args="-p ${pidfile} /usr/bin/env ${procname} \
    --collectd.listen-address=${collectd_exporter_collectd_listen_address} \
    --web.listen-address=${collectd_exporter_listen_address} \
    ${collectd_exporter_args} >> ${collectd_exporter_log_file} 2>&1"

start_precmd=collectd_exporter_startprecmd

collectd_exporter_startprecmd()
{
    if [ ! -e ${pidfile} ]; then
        install \
            -o ${collectd_exporter_user} \
            -g ${collectd_exporter_group} \
            /dev/null ${pidfile};
    fi
    if [ ! -e ${collectd_exporter_log_file} ]; then
        install \
            -o ${collectd_exporter_user} \
            -g ${collectd_exporter_group} \
            -m 640 \
            /dev/null ${collectd_exporter_log_file};
    fi
}

load_rc_config $name
run_rc_command "$1"