Node-RED FreeBSD RC Script

node-red

#!/bin/sh
#
# PROVIDE: nodered
# REQUIRE: LOGIN
# KEYWORD: shutdown

# Author: Andrew Pearson (apearson.io)
# Version: 1.0.2

# Description:
#    This script runs Node-RED as a service under the supplied user on boot

# How to use:
#    Place this file in /usr/local/etc/rc.d/
#    Add nodered_enable="YES" to /etc/rc.config
#    (Optional) To run as non-root, add nodered_runAs="node-red" to /etc/rc.config
#    (Optional) To pass Node-RED args, add nodered_args="" to /etc/rc.config

# Freebsd rc library
. /etc/rc.subr

# General Info
name="nodered"            # Safe name of program
program_name="node-red"   # Name of exec
title="Node-RED"          # Title to display in top/htop

# RC.config vars
load_rc_config $name      # Loading rc config vars
: ${nodered_enable="NO"}  # Default: Do not enable Node-RED
: ${nodered_runAs="root"} # Default: Run Node-RED as root

# Freebsd Setup
rcvar=nodered_enable                   # Enables the rc.conf YES/NO flag
pidfile="/var/run/${program_name}.pid" # File that allows the system to keep track of node-red status

# Env Setup
export HOME=$( getent passwd "$nodered_runAs" | cut -d: -f6 ) # Gets the home directory of the runAs user

# Command Setup
exec_path="/usr/local/bin/${program_name}" # Path to the node-red exec, /usr/local/bin/ when installed globally
output_file="/var/log/${program_name}.log" # Path to Node-RED output file

# Command
command="/usr/sbin/daemon"
command_args="-r -t ${title} -u ${nodered_runAs} -o ${output_file} -P ${pidfile} ${exec_path} ${nodered_args}"

# Loading Config
load_rc_config ${name}
run_rc_command "$1"