| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // 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. |
| |
| package cloud_test |
| |
| import ( |
| "cloud.google.com/go/datastore" |
| "golang.org/x/net/context" |
| "google.golang.org/api/option" |
| ) |
| |
| func Example_applicationDefaultCredentials() { |
| ctx := context.Background() |
| // Use Google Application Default Credentials to authorize and authenticate the client. |
| // More information about Application Default Credentials and how to enable is at |
| // https://developers.google.com/identity/protocols/application-default-credentials. |
| // |
| // This is the recommended way of authorizing and authenticating. |
| // |
| // Note: The example uses the datastore client, but the same steps apply to |
| // the other client libraries underneath this package. |
| client, err := datastore.NewClient(ctx, "project-id") |
| if err != nil { |
| // TODO: handle error. |
| } |
| // Use the client. |
| _ = client |
| } |
| |
| func Example_serviceAccountFile() { |
| // Warning: The better way to use service accounts is to set GOOGLE_APPLICATION_CREDENTIALS |
| // and use the Application Default Credentials. |
| ctx := context.Background() |
| // Use a JSON key file associated with a Google service account to |
| // authenticate and authorize. |
| // Go to https://console.developers.google.com/permissions/serviceaccounts to create |
| // and download a service account key for your project. |
| // |
| // Note: The example uses the datastore client, but the same steps apply to |
| // the other client libraries underneath this package. |
| client, err := datastore.NewClient(ctx, |
| "project-id", |
| option.WithServiceAccountFile("/path/to/service-account-key.json")) |
| if err != nil { |
| // TODO: handle error. |
| } |
| // Use the client. |
| _ = client |
| } |