# File lib/fog/bluebox/requests/compute/create_block.rb, line 21
        def create_block(product_id, template_id, location_id, options = {})

          unless options.has_key?(:password) || options.has_key?(:ssh_key)
            raise ArgumentError, 'Either password or ssh_key must be supplied'
          end

          query = {
            'product'  => product_id,
            'template' => template_id,
            'location' => location_id
          }

          body = URI.encode options.map {|k,v| "#{k}=#{v}"}.join('&')

          request(
            :expects  => 200,
            :method   => 'POST',
            :path     => '/api/blocks.json',
            :query    => query,
            :body     => URI.encode(body)
          )
        end