#!/bin/sh

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

#
# Add the following lines to /etc/rc.conf.local or /etc/rc.conf
# to enable this service:
#
# access_log_exporter_enable (bool):         Set to NO by default.
#                                            Set it to YES to enable access_log_exporter.
# access_log_config (string):                Set to %%ETCDIR%%/config.yaml
#                                            Set it to the path of desired config file
# access_log_exporter_user (string):         Set user that access_log_exporter will run under
#                                            Default is "www".
# access_log_exporter_group (string):        Set group that access_log_exporter will run under
#                                            Default is "www".
# access_log_exporter_syslog_priority (str): Set to "info" by default.
#                                            Set it to priority to be used by syslog
# access_log_exporter_syslog_facility (str): Set to "daemon" by default.
#                                            Set it to facility to be used by syslog
# access_log_exporter_syslog_tag (str):      Set to "access-log-exporter" by default.
#                                            Set it to tag to be used by syslog

. /etc/rc.subr

name=access_log_exporter
desc="Prometheus exporter of webserver logs into metrics"
rcvar=access_log_exporter_enable

load_rc_config $name

: ${access_log_exporter_enable:=NO}
: ${access_log_exporter_config:=%%ETCDIR%%/config.yaml}
: ${access_log_exporter_user:=www}
: ${access_log_exporter_group:=www}
: ${access_log_exporter_syslog_priority=info}
: ${access_log_exporter_syslog_facility=daemon}
: ${access_log_exporter_syslog_tag=access-log-exporter}

pidfile="/var/run/${name}.pid"
command=/usr/sbin/daemon
procname="%%PREFIX%%/bin/access-log-exporter"
command_args="-S -m 3 \
	-l ${access_log_exporter_syslog_facility} \
	-s ${access_log_exporter_syslog_priority} \
	-t ${name} \
	-T ${access_log_exporter_syslog_tag} \
	-p ${pidfile} \
	/usr/bin/env ${procname} \
		--config ${access_log_exporter_config} \
		${access_log_exporter_args}"

start_precmd=${name}_startprecmd
extra_commands=reload

access_log_exporter_startprecmd()
{
    if [ ! -e ${pidfile} ]; then
        install \
            -o ${access_log_exporter_user} \
            -g ${access_log_exporter_group} \
            /dev/null ${pidfile};
    fi
}

run_rc_command "$1"