salt# cat /usr/local/etc/rc.d/salt-master 
#!/bin/sh

#
# Salt Master startup script
#
# PROVIDE: salt-master
# REQUIRE: LOGIN
# KEYWORD: shutdown

# Add the following to /etc/rc.conf[.local] to enable this service
#
# salt_master_enable="YES"
#

. /etc/rc.subr

name="salt-master"
rcvar="salt_master_enable"

load_rc_config ${name}

: ${salt_master_enable:="NO"}

command="/usr/local/bin/${name}"
pidfile="/var/run/${name}.pid"
required_files="/usr/local/etc/salt/master"
command_args="-c ${required_files} -d"

run_rc_command "$1"

-----

salt# tail /etc/rc.conf 
sendmail_enable="NO"
sendmail_submit_enable="NO"
sendmail_outbound_enable="NO"
sendmail_msp_queue_enable="NO"

# Bring up sshd, it takes some time and uses some entropy on first startup
# sshd_enable="YES"

salt_master_enable="YES"
salt_minion_enable="YES"

-----

salt# /usr/local/etc/rc.d/salt-master start
/usr/local/etc/rc.d/salt-master: WARNING: run_rc_command: cannot run -master_program
salt# /usr/local/etc/rc.d/salt-minion start
/usr/local/etc/rc.d/salt-minion: WARNING: run_rc_command: cannot run -minion_program