SSH Tunneling in Ruby by John Nunemaker

gistfile1.rb

# from http://railstips.org/blog/archives/2011/04/19/ssh-tunneling-in-ruby/

require 'net/ssh/gateway'

gateway = Net::SSH::Gateway.new('<myremotehostorip.com>', '<remote_user>')

# Open port 27018 to forward to 127.0.0.1:27017
# on the remote host provided above
gateway.open('127.0.0.1', 27017, 27018)

# Connect to local port set in previous statement
conn = Mongo::Connection.new('127.0.0.1', 27018)

# Just printing out stats to show that it works
puts conn.db('<database_name>').stats.inspect

gateway.shutdown!