列出可用的位置

此代码段列出了所有可创建资源的可用 Google Cloud 位置。使用此命令可确定用于预配新集群或其他资源的有效区域和可用区。

代码示例

Go

如需向 AlloyDB 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。

//go:build examples

package main

import (
	"context"

	alloydb "cloud.google.com/go/alloydb/apiv1"
	"google.golang.org/api/iterator"
	locationpb "google.golang.org/genproto/googleapis/cloud/location"
)

func main() {
	ctx := context.Background()
	// This snippet has been automatically generated and should be regarded as a code template only.
	// It will require modifications to work:
	// - It may require correct/in-range values for request initialization.
	// - It may require specifying regional endpoints when creating the service client as shown in:
	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
	c, err := alloydb.NewAlloyDBAdminClient(ctx)
	if err != nil {
		// TODO: Handle error.
	}
	defer c.Close()

	req := &locationpb.ListLocationsRequest{
		// TODO: Fill request struct fields.
		// See https://pkg.go.dev/google.golang.org/genproto/googleapis/cloud/location#ListLocationsRequest.
	}
	it := c.ListLocations(ctx, req)
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			// TODO: Handle error.
		}
		// TODO: Use resp.
		_ = resp

		// If you need to access the underlying RPC response,
		// you can do so by casting the `Response` as below.
		// Otherwise, remove this line. Only populated after
		// first call to Next(). Not safe for concurrent access.
		_ = it.Response.(*locationpb.ListLocationsResponse)
	}
}

Java

如需向 AlloyDB 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.alloydb.v1.AlloyDBAdminClient;
import com.google.cloud.location.ListLocationsRequest;
import com.google.cloud.location.Location;

public class SyncListLocations {

  public static void main(String[] args) throws Exception {
    syncListLocations();
  }

  public static void syncListLocations() throws Exception {
    // This snippet has been automatically generated and should be regarded as a code template only.
    // It will require modifications to work:
    // - It may require correct/in-range values for request initialization.
    // - It may require specifying regional endpoints when creating the service client as shown in
    // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
    try (AlloyDBAdminClient alloyDBAdminClient = AlloyDBAdminClient.create()) {
      ListLocationsRequest request =
          ListLocationsRequest.newBuilder()
              .setName("name3373707")
              .setFilter("filter-1274492040")
              .setPageSize(883849137)
              .setPageToken("pageToken873572522")
              .build();
      for (Location element : alloyDBAdminClient.listLocations(request).iterateAll()) {
        // doThingsWith(element);
      }
    }
  }
}

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。