Setup a Static IP for Ruby SFTP

Learn how to route Ruby SFTP file transfers through a QuotaGuard Static IP proxy.

Prerequisites

# SFTP Gem
gem install net-sftp

Instructions

Run example

QUOTAGUARDSTATIC_URL=... ruby sftp.rb

Be sure to set QUOTAGUARDSTATIC_URL to your Connection URL from the QuotaGuard Dashboard.

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Test in Docker

docker build -t qg-static-ruby-sftp-example .
docker run -e QUOTAGUARDSTATIC_URL=... qg-static-ruby-sftp-example

Code Samples

sftp.rb

#!/usr/bin/env ruby

require 'net/ssh/proxy/http'
require 'net/sftp'
require 'uri'

quotaguard = URI.parse(ENV["QUOTAGUARDSTATIC_URL"])
proxy = Net::SSH::Proxy::HTTP.new(quotaguard.host, quotaguard.port, user: quotaguard.user, password: quotaguard.password)

Net::SFTP.start('test.rebex.net', 'demo', password: 'password', proxy: proxy) do |sftp|
  sftp.download!('readme.txt', 'readme.txt')
end

if File.exists?('readme.txt')
  puts "Downloaded 'readme.txt' successfully"
  puts "   CONTENTS"
  puts "--------------"
  puts File.read('readme.txt')
  puts "--------------"
else
  puts "MISSING 'readme.txt'"
  exit 1
end

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Docker File

FROM ruby:latest

WORKDIR /app/

RUN gem install net-sftp

COPY sftp.rb sftp.rb

ENTRYPOINT [ "ruby", "sftp.rb" ]

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readme.txt

Welcome,

You are connected to an FTP or SFTP server used for testing purposes by Rebex FTP/SSL or Rebex SFTP sample code.
Only read access is allowed and the FTP download speed is limited to 16KBps.

For information about Rebex FTP/SSL, Rebex SFTP and other Rebex .NET components, please visit our website at https://www.rebex.net/

For feedback and support, contact support@rebex.net

Thanks!

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