ssh_tunneling_wp.rb

#! /usr/bin/env ruby
require 'rubygems'
require 'net/ssh'
require "net/ssh/gateway"


# Terminal equivalent
# #ssh -R0.0.0.0:9999:localhost:3000 sid@abc.idyllic-software.com
puts "Enter the remote server name you wish to forward your local port to: (staging.example.com)"
remote_host = gets.chomp
puts "Enter the remote port you wish your local app to be available on - on the remote server (ex: 9999)"
remote_port = gets.chomp
puts "Enter remote server user to ssh with"
remote_user = gets.chomp
puts "Enter local port to forward"
local_port = gets.chomp

remote_host = "abc.idyllic-software.com" if remote_host.empty? || remote_host.nil?
remote_port = 9999 if remote_port.empty? || remote_port.nil?
remote_user = "sid" if remote_user.empty? || remote_user.nil?
local_port  = 3000 if local_port.empty? || local_port.nil?
gateway = Net::SSH::Gateway.new(remote_host, remote_user)

puts "Forwarding 127.0.0.1:#{local_port} to #{remote_host}:#{remote_port}"
#remote_host = "abc.idyllic-software.com"
Net::SSH.start(remote_host, remote_user) do |ssh|
    puts "Connecting..."
    #puts ssh.inspect
  	ssh.logger.sev_threshold = Logger::Severity::DEBUG
  	#remote forward from remote 127.0.0.1:3000 to 0.0.0.0:9999 established
  	ssh.forward.remote(local_port, '127.0.0.1', remote_port, remote_host) 
  	ssh.loop { true }
end