使用 ETag 更新区域级密钥

使用 ETag 更新区域性 Secret

深入探索

如需查看包含此代码示例的详细文档，请参阅以下内容：

• 使用实体标记实现乐观并发控制

代码示例

Go

如需了解如何安装和使用 Secret Manager 客户端库，请参阅 Secret Manager 客户端库。

如需向 Secret Manager 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

import (
	"context"
	"fmt"
	"io"

	secretmanager "cloud.google.com/go/secretmanager/apiv1"
	"cloud.google.com/go/secretmanager/apiv1/secretmanagerpb"
	"google.golang.org/api/option"
	"google.golang.org/genproto/protobuf/field_mask"
)

// updateSecretWithEtag updates the metadata about an existing secret.
func UpdateRegionalSecretWithEtag(w io.Writer, projectId, locationId, secretId, etag string) error {
	// name := "projects/my-project/locations/my-location/secrets/my-secret"
	// etag := `"123"`

	// Create the client.
	ctx := context.Background()
	//Endpoint to send the request to regional server
	endpoint := fmt.Sprintf("secretmanager.%s.rep.googleapis.com:443", locationId)
	client, err := secretmanager.NewClient(ctx, option.WithEndpoint(endpoint))

	if err != nil {
		return fmt.Errorf("failed to create regional secretmanager client: %w", err)
	}
	defer client.Close()

	name := fmt.Sprintf("projects/%s/locations/%s/secrets/%s", projectId, locationId, secretId)
	// Build the request.
	req := &secretmanagerpb.UpdateSecretRequest{
		Secret: &secretmanagerpb.Secret{
			Name: name,
			Etag: etag,
			Labels: map[string]string{
				"secretmanager": "rocks",
			},
		},
		UpdateMask: &field_mask.FieldMask{
			Paths: []string{"labels"},
		},
	}

	// Call the API.
	result, err := client.UpdateSecret(ctx, req)
	if err != nil {
		return fmt.Errorf("failed to update regional secret: %w", err)
	}
	fmt.Fprintf(w, "Updated regional secret: %s\n", result.Name)
	return nil
}

Java

如需了解如何安装和使用 Secret Manager 客户端库，请参阅 Secret Manager 客户端库。

如需向 Secret Manager 进行身份验证，请设置应用默认凭据。 如需了解详情，请参阅为本地开发环境设置身份验证。

import com.google.cloud.secretmanager.v1.Secret;
import com.google.cloud.secretmanager.v1.SecretManagerServiceClient;
import com.google.cloud.secretmanager.v1.SecretManagerServiceSettings;
import com.google.cloud.secretmanager.v1.SecretName;
import com.google.protobuf.FieldMask;
import com.google.protobuf.util.FieldMaskUtil;
import java.io.IOException;

public class UpdateRegionalSecretWithEtag {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.

    // Your GCP project ID.
    String projectId = "your-project-id";
    // Location of the secret.
    String locationId = "your-location-id";
    // Resource ID of the secret to update.
    String secretId = "your-secret-id";
    // Etag associated with the secret. Quotes should be included as part of the string.
    String etag = "\"1234\"";
    updateRegionalSecretWithEtag(projectId, locationId, secretId, etag);
  }

  // Update an existing secret with etag.
  public static Secret updateRegionalSecretWithEtag(
      String projectId, String locationId, String secretId, String etag)
      throws IOException {

    // Endpoint to call the regional secret manager sever
    String apiEndpoint = String.format("secretmanager.%s.rep.googleapis.com:443", locationId);
    SecretManagerServiceSettings secretManagerServiceSettings =
        SecretManagerServiceSettings.newBuilder().setEndpoint(apiEndpoint).build();

    // Initialize the client that will be used to send requests. This client only needs to be
    // created once, and can be reused for multiple requests.
    try (SecretManagerServiceClient client = 
        SecretManagerServiceClient.create(secretManagerServiceSettings)) {
      // Build the name.
      SecretName secretName = 
          SecretName.ofProjectLocationSecretName(projectId, locationId, secretId);

      // Build the updated secret.
      Secret secret =
          Secret.newBuilder()
              .setName(secretName.toString())
              .setEtag(etag)
              .putLabels("secretmanager", "rocks")
              .build();

      // Build the field mask.
      FieldMask fieldMask = FieldMaskUtil.fromString("labels");

      // Update the secret.
      Secret updatedSecret = client.updateSecret(secret, fieldMask);
      System.out.printf("Updated regional secret %s\n", updatedSecret.getName());

      return updatedSecret;
    }
  }
}

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。