#!/bin/sh

# $FreeBSD: head/net-mgmt/ping_exporter/files/ping_exporter.in 531015 2020-04-07 14:39:51Z zi $
#
# PROVIDE: ping_exporter
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf.local or /etc/rc.conf
# to enable this service:
#
# ping_exporter_enable (bool):          Set to NO by default.
#               Set it to YES to enable ping_exporter.
# ping_exporter_user (string):          Set user that ping_exporter will run under
#               Default is "nobody".
# ping_exporter_group (string):         Set group that ping_exporter will run under
#               Default is "nobody".
# ping_exporter_args (string):          Set extra arguments to pass to ping_exporter
#               Default is "".
# ping_exporter_listen_address (string):Set ip:port that ping_exporter will listen on
#               Default is "localhost:9427".
# ping_exporter_config (string):        Set configuration file of ping_exporter
#               Default is "%%PREFIX%%/etc/ping_exporter.yml".

. /etc/rc.subr

name=ping_exporter
desc="Ping exporter for use with Prometheus"
rcvar=ping_exporter_enable

load_rc_config $name

: ${ping_exporter_enable:=NO}
: ${ping_exporter_user:=nobody}
: ${ping_exporter_group:=nobody}
: ${ping_exporter_listen_address=localhost:9427}
: ${ping_exporter_config="%%PREFIX%%/etc/ping_exporter.yml"}

required_files="${ping_exporter_config}"
pidfile=/var/run/ping_exporter.pid
command=/usr/sbin/daemon
procname="%%PREFIX%%/bin/ping_exporter"
command_args="-p ${pidfile} -t ${name} -T ${name} -S \
    /usr/bin/env ${procname} \
    -web.listen-address ${ping_exporter_listen_address} \
    -config.path ${ping_exporter_config} \
    ${ping_exporter_args} 2>&1"

start_precmd=ping_exporter_startprecmd

ping_exporter_startprecmd()
{
    if [ ! -e ${pidfile} ]; then
        install -o ${ping_exporter_user} -g ${ping_exporter_group} /dev/null ${pidfile};
    else
        chown ${ping_exporter_user}:${ping_exporter_group} ${pidfile};
    fi
}

run_rc_command "$1"