--- /dev/null
+# Copyright 2013 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'faraday'
+require 'signet/oauth_2/client'
+
+module Google
+ class APIClient
+ class ComputeServiceAccount < Signet::OAuth2::Client
+ def fetch_access_token(options={})
+ options[:connection] ||= Faraday.default_connection
+ response = options[:connection].get 'http://metadata/computeMetadata/v1beta1/instance/service-accounts/default/token'
+ Signet::OAuth2.parse_json_credentials(response.body)
+ end
+ end
+ end
+end
require 'google/api_client/auth/pkcs12'
require 'google/api_client/auth/jwt_asserter'
require 'google/api_client/auth/key_utils'
+require 'google/api_client/auth/compute_service_account'
end
end
+describe Google::APIClient::ComputeServiceAccount do
+ include ConnectionHelpers
+
+ it 'should query metadata server' do
+ conn = stub_connection do |stub|
+ stub.get('/computeMetadata/v1beta1/instance/service-accounts/default/token') do |env|
+ env.url.host.should == 'metadata'
+ [200, {}, '{
+ "access_token" : "1/abcdef1234567890",
+ "token_type" : "Bearer",
+ "expires_in" : 3600
+ }']
+ end
+ end
+ service_account = Google::APIClient::ComputeServiceAccount.new
+ auth = service_account.fetch_access_token!({ :connection => conn })
+ auth.should_not == nil?
+ auth["access_token"].should == "1/abcdef1234567890"
+ conn.verify
+ end
+end