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// Copyright 2019 Google LLC
//
// 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
//
// https://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 overview contains Google Cloud authentication overview snippets.
// https://cloud.google.com/docs/authentication/
package overview
// [START auth_overview_api_key]
import (
"context"
"fmt"
"cloud.google.com/go/pubsub"
"google.golang.org/api/option"
)
// apiKey shows how to use an API key to authenticate.
func apiKey() error {
client, err := pubsub.NewClient(context.Background(), "your-project-id", option.WithAPIKey("api-key-string"))
if err != nil {
return fmt.Errorf("pubsub.NewClient: %v", err)
}
// Use the authenticated client.
_ = client
return nil
}
// [END auth_overview_api_key]
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