mirror of https://github.com/perkeep/perkeep.git
71 lines
2.4 KiB
Go
71 lines
2.4 KiB
Go
// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cloud_test
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import (
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"io/ioutil"
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"cloud.google.com/go/datastore"
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"golang.org/x/net/context"
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"golang.org/x/oauth2/google"
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"google.golang.org/api/option"
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)
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func Example_applicationDefaultCredentials() {
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ctx := context.Background()
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// Use Google Application Default Credentials to authorize and authenticate the client.
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// More information about Application Default Credentials and how to enable is at
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// https://developers.google.com/identity/protocols/application-default-credentials.
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//
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// This is the recommended way of authorizing and authenticating.
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//
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// Note: The example uses the datastore client, but the same steps apply to
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// the other client libraries underneath this package.
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client, err := datastore.NewClient(ctx, "project-id")
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if err != nil {
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// TODO: handle error.
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}
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// Use the client.
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_ = client
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}
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func Example_serviceAccount() {
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// Warning: The better way to use service accounts is to set GOOGLE_APPLICATION_CREDENTIALS
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// and use the Application Default Credentials.
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ctx := context.Background()
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// Use a JSON key file associated with a Google service account to
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// authenticate and authorize.
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// Go to https://console.developers.google.com/permissions/serviceaccounts to create
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// and download a service account key for your project.
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//
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// Note: The example uses the datastore client, but the same steps apply to
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// the other client libraries underneath this package.
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key, err := ioutil.ReadFile("/path/to/service-account-key.json")
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if err != nil {
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// TODO: handle error.
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}
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cfg, err := google.JWTConfigFromJSON(key, datastore.ScopeDatastore)
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if err != nil {
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// TODO: handle error.
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}
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client, err := datastore.NewClient(
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ctx, "project-id", option.WithTokenSource(cfg.TokenSource(ctx)))
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if err != nil {
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// TODO: handle error.
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}
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// Use the client.
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_ = client
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}
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