    # File lib/fog/clodo.rb, line 10
        def self.authenticate(options)
          clodo_auth_url = options[:clodo_auth_url] || "api.clodo.ru"
          url = clodo_auth_url.match(/^https?:/) ? \
                    clodo_auth_url : 'https://' + clodo_auth_url
          uri = URI.parse(url)
          connection = Fog::Connection.new(url)
          @clodo_api_key  = options[:clodo_api_key]
          @clodo_username = options[:clodo_username]
          response = connection.request({
            :expects  => [200, 204],
            :headers  => {
              'X-Auth-Key'  => @clodo_api_key,
              'X-Auth-User' => @clodo_username
            },
            :host     => uri.host,
            :method   => 'GET',
            :path     =>  (uri.path and not uri.path.empty?) ? uri.path : 'v1.0'
          })
          response.headers.reject do |key, value|
            !['X-Server-Management-Url', 'X-Storage-Url', 'X-CDN-Management-Url', 'X-Auth-Token'].include?(key)
          end

        end