hda-create-server

#!/usr/bin/env ruby
#
# Amahi Home Server
# Copyright (C) 2007-2009 Amahi Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License v3
# (29 June 2007), as published in the COPYING file.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# file COPYING for more details.
# 
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Amahi
# team at http://www.amahi.org/ under "Contact Us."

require 'optparse'
require 'pp'

SCRIPT_NAME = File.basename($0)

def initscript_file(name, visible_name, user = "apache")
		file = ["#! /bin/sh",
			"#",
			"# #{name}:       Starts the #{visible_name} Daemon",
			"#",
			"# chkconfig: 345 96 03",
			"# description: This is the #{name} daemon, which runs on the amahi server",
			"#",
			"# processname: #{name}",
			"# config: ",
			"",
			"# Source function library.",
			". /etc/init.d/functions",
			"",
			"DAEMON=#{name}",
			"PROGRAM_NAME=\"#{visible_name}\"",
			"PROGRAM_DIR=#{Dir.pwd}",
			"PROGRAM_BIN=$PROGRAM_DIR/server/$DAEMON",
			"LOCKFILE=/var/lock/subsys/$DAEMON",
			"PIDFILE=/var/run/$DAEMON.pid",
			"DAEMON_USER=#{user}",
			"",
			"if [[ ! -e $PROGRAM_DIR ]]; then",
			"    mkdir -p $PROGRAM_DIR",
			"fi",
			"",
			"if [ \"$1\" == 'status' ]; then",
			"    test -x $PROGRAM_BIN || exit 4",
			"else ",
			"    test -x $PROGRAM_BIN || exit 5",
			"fi",
			"",
			"base=${0##*/}",
			"",
			"start() {",
			"    echo -n $\"Starting $PROGRAM_NAME daemon... \"",
			"    daemon --user $DAEMON_USER $PROGRAM_BIN",
			"    RETVAL=$?",
			"    if [ $RETVAL = 0 ]; then",
			"        touch $LOCKFILE",
			"        pidof $DAEMON > $PIDFILE",
			"        success $\"$base startup\"",
			"    else",
			"        failure $\"$base startup\"",
			"    fi",
			"    echo",
			"    return $RETVAL",
			"}",
			"",
			"stop() {",
			"    echo -n $\"Shutting down $PROGRAM_NAME daemon: \"",
			"    killproc $DAEMON",
			"    RETVAL=$?",
			"    [ $RETVAL = 0 ] && success $\"$base shutdown\" || failure $\"$base shutdown\"",
			"    rm -f $LOCKFILE $PIDFILE",
			"    echo",
			"    return $RETVAL",
			"}",
			"",
			"restart() {",
			"    stop",
			"    start",
			"}",
			"",
			"RETVAL=0",
			"",
			"# See how we were called.",
			"case \"$1\" in",
			"  start)",
			"    start",
			"    ;;",
			"  stop)",
			"    stop",
			"    ;;",
			"  status)",
			"    status $DAEMON",
			"    RETVAL=$?",
			"    ;;",
			"  restart)",
			"    restart",
			"    ;;",
			"  condrestart)",
			"    [ ! -f $lockfile ] || restart",
			"    ;;",
			"  *)",
			"    echo $\"Usage: $0 {start|stop|status|restart}\"",
			"    exit 2",
			"        ;;",
			"esac",
			"",
			"exit $RETVAL",
			"" ]
	file.join "\n"
end

class OptParser

	def self.parse(args)
		options = { }
		options[:visible_name] = nil
		options[:service_name] = nil

		opts = OptionParser.new do |opts|
			opts.banner = "Usage: #{SCRIPT_NAME} [options] name"

			opts.separator ""

			opts.on("-n", "--name ServerName", "Name of the server is ServerName.") do |lib|
				options[:visible_name] = lib
				options[:service_name] ||= lib.downcase
			end

			opts.on("-s", "--service servicename", "Name of the service is 'servicename'.") do |lib|
				options[:service_name] = lib
			end

			opts.separator ""

			opts.on("-h", "--help",
				"Show this help message.") { $stderr.puts opts; exit }

		end
		opts.parse!(args)
		options
	end
end

options = OptParser.parse(ARGV)

pp options

puts initscript_file("adito", "OpenVPN ALS")

if options[:visible_name].nil?
	$stderr.puts "error: cannot parse arguments. please run '#{SCRIPT_NAME} -h' for help."
	exit 1
end

exit