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Librerie client di Storage Transfer Service

Questa pagina mostra come iniziare a utilizzare le librerie client di Cloud per l'API Google Storage Transfer. Scopri di più sulle librerie client per le API Cloud, incluse le librerie client delle API di Google precedenti, in Informazioni sulle librerie client.

Per informazioni sull'aggiornamento dalla libreria client delle API di Google alla libreria client Cloud descritta in questa pagina, consulta la guida alla migrazione di Storage Transfer Service.

Installazione della libreria client

C++

Per ulteriori informazioni sull'installazione della libreria C++, consulta la guida Configurare un ambiente di sviluppo C++.

C#

Per ulteriori informazioni, vedi Configurare un ambiente di sviluppo C#.

Se utilizzi Visual Studio 2017 o versioni successive, apri una finestra del gestore dei pacchetti nuget e digita quanto segue:

Install-Package Google.Cloud.StorageTransfer.V1

Se utilizzi gli strumenti dell'interfaccia a riga di comando .NET Core per installare le dipendenze, esegui il seguente comando:

dotnet add package Google.Cloud.StorageTransfer.V1

Go

Per ulteriori informazioni, consulta Configurare un ambiente di sviluppo Go.

go get cloud.google.com/go/storagetransfer

Java

Per ulteriori informazioni, consulta Configurare un ambiente di sviluppo Java.

Se utilizzi Maven, aggiungi quanto segue al file pom.xml:

<dependency>
    <groupId>com.google.cloud</groupId>
    <artifactId>google-cloud-storage-transfer</artifactId>
    <version>0.2.3</version>
</dependency>

Se utilizzi Gradle senza BOM, aggiungi quanto segue alle dipendenze:

implementation 'com.google.cloud:google-cloud-storage-transfer:0.2.3'

Node.js

Per ulteriori informazioni, consulta la sezione Configurazione di un ambiente di sviluppo Node.js.

npm install --save @google-cloud/storage-transfer

PHP

Per ulteriori informazioni, consulta Utilizzare PHP su Google Cloud.

composer require google/cloud

Python

Per ulteriori informazioni, consulta Configurare un ambiente di sviluppo Python.

pip install --upgrade google-cloud-storage-transfer

Ruby

Per ulteriori informazioni, vedi Configurare un ambiente di sviluppo Ruby.

gem install google-cloud-storage_transfer

Configurazione dell'autenticazione

Quando utilizzi le librerie client, utilizzi le Credenziali predefinite dell'applicazione per autenticarti. Per ulteriori informazioni, consulta Autenticazione mediante librerie client.

Utilizzo della libreria client

Gli esempi riportati di seguito mostrano come utilizzare la libreria client.

Prima di utilizzare questi esempi, segui le istruzioni riportate in Configurazione dell'accesso per impostare le autorizzazioni richieste.

C++

Per scoprire come installare e utilizzare la libreria client per Storage Transfer Service, consulta Librerie client di Storage Transfer Service.

Per autenticarti a Storage Transfer Service, configura le Credenziali predefinite dell'applicazione. Per ulteriori informazioni, consulta Configurare l'autenticazione per un ambiente di sviluppo locale.


#include "google/cloud/storagetransfer/v1/storage_transfer_client.h"
#include <iostream>
#include <string>

int main(int argc, char* argv[]) try {
  if (argc != 2) {
    std::cerr << "Usage: " << argv[0] << " project-id\n";
    return 1;
  }

  namespace storagetransfer = ::google::cloud::storagetransfer_v1;
  auto client = storagetransfer::StorageTransferServiceClient(
      storagetransfer::MakeStorageTransferServiceConnection());

  ::google::storagetransfer::v1::ListTransferJobsRequest request;
  request.set_filter(R"""({"projectId": ")""" + std::string{argv[1]} + "\"}");
  for (auto r : client.ListTransferJobs(request)) {
    if (!r) throw std::move(r).status();
    std::cout << r->DebugString() << "\n";
  }

  return 0;
} catch (google::cloud::Status const& status) {
  std::cerr << "google::cloud::Status thrown: " << status << "\n";
  return 1;
}

C#

Per scoprire come installare e utilizzare la libreria client per Storage Transfer Service, consulta Librerie client di Storage Transfer Service. Per ulteriori informazioni, consulta la documentazione di riferimento dell'API C# Storage Transfer Service.

using System;
using Google.Cloud.StorageTransfer.V1;

namespace StorageTransfer.Samples
{
    public class QuickstartSample
    {
        public TransferJob Quickstart(
            // Your Google Cloud Project ID
            string projectId = "my-project-id",
            // The GCS bucket to transfer data from
            string sourceBucket = "my-source-bucket",
            // The GCS bucket to transfer data to
            string sinkBucket = "my-sink-bucket")
        {
            TransferJob transferJob = new TransferJob
            {
                ProjectId = projectId,
                TransferSpec = new TransferSpec
                {
                    GcsDataSink = new GcsData { BucketName = sourceBucket },
                    GcsDataSource = new GcsData { BucketName = sinkBucket }
                },
                Status = TransferJob.Types.Status.Enabled
            };

            StorageTransferServiceClient client = StorageTransferServiceClient.Create();
            TransferJob response = client.CreateTransferJob(new CreateTransferJobRequest { TransferJob = transferJob });
            client.RunTransferJob(new RunTransferJobRequest
            {
                JobName = response.Name,
                ProjectId = projectId
            });

            Console.WriteLine($"Created and ran transfer job from {sourceBucket} to {sinkBucket} with name {response.Name}");

            return response;
        }
    }
}

Go

import (
	"context"
	"fmt"
	"io"

	storagetransfer "cloud.google.com/go/storagetransfer/apiv1"
	"cloud.google.com/go/storagetransfer/apiv1/storagetransferpb"
)

// quickstart creates and runs a transfer job between two GCS buckets.
func quickstart(w io.Writer, projectID string, sourceGCSBucket string, sinkGCSBucket string) (*storagetransferpb.TransferJob, error) {
	// Your Google Cloud Project ID
	// projectID := "my-project-id"

	// The name of the GCS bucket to transfer data from
	// sourceGCSBucket := "my-source-bucket"

	// The name of the GCS bucket to transfer data to
	// sinkGCSBucket := "my-sink-bucket"
	ctx := context.Background()
	client, err := storagetransfer.NewClient(ctx)
	if err != nil {
		return nil, fmt.Errorf("storagetransfer.NewClient: %w", err)
	}
	defer client.Close()

	req := &storagetransferpb.CreateTransferJobRequest{
		TransferJob: &storagetransferpb.TransferJob{
			ProjectId: projectID,
			TransferSpec: &storagetransferpb.TransferSpec{
				DataSource: &storagetransferpb.TransferSpec_GcsDataSource{
					GcsDataSource: &storagetransferpb.GcsData{BucketName: sourceGCSBucket}},
				DataSink: &storagetransferpb.TransferSpec_GcsDataSink{
					GcsDataSink: &storagetransferpb.GcsData{BucketName: sinkGCSBucket}},
			},
			Status: storagetransferpb.TransferJob_ENABLED,
		},
	}
	resp, err := client.CreateTransferJob(ctx, req)
	if err != nil {
		return nil, fmt.Errorf("failed to create transfer job: %w", err)
	}
	if _, err = client.RunTransferJob(ctx, &storagetransferpb.RunTransferJobRequest{
		ProjectId: projectID,
		JobName:   resp.Name,
	}); err != nil {
		return nil, fmt.Errorf("failed to run transfer job: %w", err)
	}

	fmt.Fprintf(w, "Created and ran transfer job from %v to %v with name %v", sourceGCSBucket, sinkGCSBucket, resp.Name)
	return resp, nil
}

Java

import com.google.storagetransfer.v1.proto.StorageTransferServiceClient;
import com.google.storagetransfer.v1.proto.TransferProto.CreateTransferJobRequest;
import com.google.storagetransfer.v1.proto.TransferProto.RunTransferJobRequest;
import com.google.storagetransfer.v1.proto.TransferTypes.GcsData;
import com.google.storagetransfer.v1.proto.TransferTypes.TransferJob;
import com.google.storagetransfer.v1.proto.TransferTypes.TransferSpec;

public class QuickstartSample {
  /** Quickstart sample using transfer service to transfer from one GCS bucket to another. */
  public static void main(String[] args) throws Exception {
    // TODO(developer): Replace these variables before running the sample.

    // Your Google Cloud Project ID
    String projectId = "your-project-id";

    // The name of the source GCS bucket to transfer objects from
    String gcsSourceBucket = "your-source-gcs-source-bucket";

    // The name of the  GCS bucket to transfer  objects to
    String gcsSinkBucket = "your-sink-gcs-bucket";

    quickStartSample(projectId, gcsSourceBucket, gcsSinkBucket);
  }

  public static void quickStartSample(
      String projectId, String gcsSourceBucket, String gcsSinkBucket) throws Exception {

    // Initialize client that will be used to send requests. This client only needs to be created
    // once, and can be reused for multiple requests. After completing all of your requests, call
    // the "close" method on the client to safely clean up any remaining background resources,
    // or use "try-with-close" statement to do this automatically.
    try (StorageTransferServiceClient storageTransfer = StorageTransferServiceClient.create()) {

      TransferJob transferJob =
          TransferJob.newBuilder()
              .setProjectId(projectId)
              .setTransferSpec(
                  TransferSpec.newBuilder()
                      .setGcsDataSource(GcsData.newBuilder().setBucketName(gcsSourceBucket))
                      .setGcsDataSink(GcsData.newBuilder().setBucketName(gcsSinkBucket)))
              .setStatus(TransferJob.Status.ENABLED)
              .build();

      TransferJob response =
          storageTransfer.createTransferJob(
              CreateTransferJobRequest.newBuilder().setTransferJob(transferJob).build());

      storageTransfer
          .runTransferJobAsync(
              RunTransferJobRequest.newBuilder()
                  .setProjectId(projectId)
                  .setJobName(response.getName())
                  .build())
          .get();
      System.out.println(
          "Created and ran transfer job between two GCS buckets with name " + response.getName());
    }
  }
}

Node.js


// Imports the Google Cloud client library
const {
  StorageTransferServiceClient,
} = require('@google-cloud/storage-transfer');

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// Your project id
// const projectId = 'my-project'

// The ID of the GCS bucket to transfer data from
// const gcsSourceBucket = 'my-source-bucket'

// The ID of the GCS bucket to transfer data to
// const gcsSinkBucket = 'my-sink-bucket'

// Creates a client
const client = new StorageTransferServiceClient();

/**
 * Creates a one-time transfer job.
 */
async function quickstart() {
  // Creates a request to transfer from the source bucket to
  // the sink bucket
  const createRequest = {
    transferJob: {
      projectId: projectId,
      transferSpec: {
        gcsDataSource: {bucketName: gcsSourceBucket},
        gcsDataSink: {bucketName: gcsSinkBucket},
      },
      status: 'ENABLED',
    },
  };

  // Runs the request and creates the job
  const [transferJob] = await client.createTransferJob(createRequest);

  const runRequest = {
    jobName: transferJob.name,
    projectId: projectId,
  };
  await client.runTransferJob(runRequest);

  console.log(
    `Created and ran a transfer job from ${gcsSourceBucket} to ${gcsSinkBucket} with name ${transferJob.name}`
  );
}

quickstart();

PHP

use Google\Cloud\StorageTransfer\V1\Client\StorageTransferServiceClient;
use Google\Cloud\StorageTransfer\V1\CreateTransferJobRequest;
use Google\Cloud\StorageTransfer\V1\GcsData;
use Google\Cloud\StorageTransfer\V1\RunTransferJobRequest;
use Google\Cloud\StorageTransfer\V1\TransferJob;
use Google\Cloud\StorageTransfer\V1\TransferJob\Status;
use Google\Cloud\StorageTransfer\V1\TransferSpec;

/**
 * Creates and runs a transfer job between two GCS buckets
 *
 * @param string $projectId Your Google Cloud project ID.
 * @param string $sourceGcsBucketName The name of the GCS bucket to transfer objects from.
 * @param string $sinkGcsBucketName The name of the GCS bucket to transfer objects to.
 */
function quickstart($projectId, $sourceGcsBucketName, $sinkGcsBucketName)
{
    // $project = 'my-project-id';
    // $sourceGcsBucketName = 'my-source-bucket';
    // $sinkGcsBucketName = 'my-sink-bucket';
    $transferJob = new TransferJob([
        'project_id' => $projectId,
        'transfer_spec' => new TransferSpec([
            'gcs_data_sink' => new GcsData(['bucket_name' => $sourceGcsBucketName]),
            'gcs_data_source' => new GcsData(['bucket_name' => $sourceGcsBucketName])
        ]),
        'status' => Status::ENABLED
    ]);

    $client = new StorageTransferServiceClient();
    $request = (new CreateTransferJobRequest())
        ->setTransferJob($transferJob);
    $response = $client->createTransferJob($request);
    $request2 = (new RunTransferJobRequest())
        ->setJobName($response->getName())
        ->setProjectId($projectId);
    $client->runTransferJob($request2);

    printf('Created and ran transfer job from %s to %s with name %s ' . PHP_EOL, $sourceGcsBucketName, $sinkGcsBucketName, $response->getName());
}

Python

from google.cloud import storage_transfer


def create_one_time_transfer(
    project_id: str = "my_project_id",
    source_bucket: str = "my_source_bucket",
    sink_bucket: str = "my_sink_bucket",
):
    """Creates a one-time transfer job."""

    client = storage_transfer.StorageTransferServiceClient()

    # The ID of the Google Cloud Platform Project that owns the job
    # project_id = 'my-project-id'

    # Google Cloud Storage source bucket name
    # source_bucket = 'my-gcs-source-bucket'

    # Google Cloud Storage destination bucket name
    # sink_bucket = 'my-gcs-destination-bucket'

    transfer_job_request = storage_transfer.CreateTransferJobRequest(
        {
            "transfer_job": {
                "project_id": project_id,
                "status": storage_transfer.TransferJob.Status.ENABLED,
                "transfer_spec": {
                    "gcs_data_source": {
                        "bucket_name": source_bucket,
                    },
                    "gcs_data_sink": {
                        "bucket_name": sink_bucket,
                    },
                },
            }
        }
    )

    transfer_job = client.create_transfer_job(transfer_job_request)
    client.run_transfer_job({"job_name": transfer_job.name, "project_id": project_id})

    print(f"Created and ran transfer job: {transfer_job.name}")

Ruby

def quickstart project_id:, gcs_source_bucket:, gcs_sink_bucket:
  # Your Google Cloud Project ID
  # project_id = "your-project_id"

  # The name of the source GCS bucket to transfer objects from
  # gcs_source_bucket = "your-source-gcs-source-bucket"

  # The name of the  GCS bucket to transfer objects to
  # gcs_sink_bucket = "your-sink-gcs-bucket"

  require "google/cloud/storage_transfer"

  transfer_job = {
    project_id: project_id,
    transfer_spec: {
      gcs_data_source: {
        bucket_name: gcs_source_bucket
      },
      gcs_data_sink: {
        bucket_name: gcs_sink_bucket
      }
    },
    status: :ENABLED
  }

  client = Google::Cloud::StorageTransfer.storage_transfer_service

  transfer_job_response = client.create_transfer_job transfer_job: transfer_job

  run_request = {
    project_id: project_id,
    job_name: transfer_job_response.name
  }
  client.run_transfer_job run_request

  puts "Created and ran transfer job between #{gcs_source_bucket} and #{gcs_sink_bucket} with name #{transfer_job_response.name}"
end

Utilizzo della libreria client con l'editor di Cloud Shell

Java

Per seguire le indicazioni dettagliate per questa attività direttamente nella console Google Cloud, fai clic su Procedura guidata:

Procedura guidata

Node.js

Per seguire le indicazioni dettagliate per questa attività direttamente nella console Google Cloud, fai clic su Procedura guidata:

Procedura guidata

Python

Per seguire le indicazioni dettagliate per questa attività direttamente nella console Google Cloud, fai clic su Procedura guidata:

Librerie client di Storage Transfer Service

Installazione della libreria client

C++

C#

Go

Java

Node.js

PHP

Python

Ruby

Configurazione dell'autenticazione

Utilizzo della libreria client

C++

C#

Go

Java

Node.js

PHP

Python

Ruby

Utilizzo della libreria client con l'editor di Cloud Shell

Java

Node.js

Python

Risorse aggiuntive

C++

C#

Go

Java

Node.js

PHP

Python

Ruby