SftpUploader

sftp_uploader.rb

class SftpUploader
  def upload!(local_filename, remote_filename)
    raise "#{local_filename} not readable" unless File.exist?(local_filename)
    connect do |sftp|
      dirs = File.dirname(remote_filename).split('/')
      dir_to_create = credentials.path
      dirs.each do |dir|
        dir_to_create = File.join(dir_to_create, dir)
        sftp.mkdir(dir_to_create)
      end

      remote_path = File.join(credentials.path, remote_filename)
      sftp.upload!(local_filename, remote_path)
    end
  end

  def connect(&block)
    Net::SFTP.start('host', 'pass') do |sftp|
      block.call(sftp)
    end
  end

end