列出作业

列出特定位置的 Batch 作业。注意：作业的位置可能与作业的运行位置不同。

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：

• 查看工作和任务

代码示例

C++

如需了解详情，请参阅 Batch C++ API 参考文档。

如需向 Batch 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。

#include "google/cloud/batch/v1/batch_client.h"

  [](std::string const& project_id, std::string const& location_id) {
    auto const parent = "projects/" + project_id + "/locations/" + location_id;
    // Initialize a client and issue the request.
    auto client = google::cloud::batch_v1::BatchServiceClient(
        google::cloud::batch_v1::MakeBatchServiceConnection());
    int i = 0;
    for (auto job : client.ListJobs(parent)) {
      if (!job) throw std::move(job).status();
      std::cout << "Job[" << i++ << "]  " << job->DebugString() << "\n";
    }
  }

Go

如需了解详情，请参阅 Batch Go API 参考文档。

如需向 Batch 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"

	batch "cloud.google.com/go/batch/apiv1"
	"cloud.google.com/go/batch/apiv1/batchpb"
	"google.golang.org/api/iterator"
)

// Lists all jobs in the given project and region
func listJobs(w io.Writer, projectID, region string) error {
	// projectID := "your_project_id"
	// region := "us-central1"

	ctx := context.Background()
	batchClient, err := batch.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("NewClient: %w", err)
	}
	defer batchClient.Close()

	req := &batchpb.ListJobsRequest{
		Parent: fmt.Sprintf("projects/%s/locations/%s", projectID, region),
	}

	var jobs []*batchpb.Job
	it := batchClient.ListJobs(ctx, req)

	for {
		job, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return fmt.Errorf("unable to list jobs: %w", err)
		}
		jobs = append(jobs, job)
	}

	fmt.Fprintf(w, "Jobs: %v\n", jobs)

	return nil
}

Java

如需了解详情，请参阅 Batch Java API 参考文档。

如需向 Batch 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.batch.v1.BatchServiceClient;
import com.google.cloud.batch.v1.Job;
import java.io.IOException;

public class ListJobs {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    // Project ID or project number of the Cloud project you want to use.
    String projectId = "YOUR_PROJECT_ID";

    // Name of the region hosting the jobs.
    String region = "europe-central2";

    listJobs(projectId, region);
  }

  // Get a list of all jobs defined in given region.
  public static void listJobs(String projectId, String region) throws IOException {
    // 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 `batchServiceClient.close()` method on the client to safely
    // clean up any remaining background resources.
    try (BatchServiceClient batchServiceClient = BatchServiceClient.create()) {

      // Construct the parent path of the job.
      String parent = String.format("projects/%s/locations/%s", projectId, region);

      for (Job job : batchServiceClient.listJobs(parent).iterateAll()) {
        System.out.println(job.getName());
      }
      System.out.println("Listed all batch jobs.");
    }
  }
}

Node.js

如需了解详情，请参阅 Batch Node.js API 参考文档。

如需向 Batch 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。

/**
 * TODO(developer): Uncomment and replace these variables before running the sample.
 */
// const projectId = 'YOUR_PROJECT_ID';
/**
 * The region that hosts the job.
 */
// const region = 'us-central-1';

// Imports the Batch library
const batchLib = require('@google-cloud/batch');

// Instantiates a client
const batchClient = new batchLib.v1.BatchServiceClient();

async function callListJobs() {
  // Construct request
  const request = {
    parent: `projects/${projectId}/locations/${region}`,
  };

  // Run request
  const iterable = await batchClient.listJobsAsync(request);
  for await (const response of iterable) {
    console.log(response);
  }
}

await callListJobs();

Python

如需了解详情，请参阅 Batch Python API 参考文档。

如需向 Batch 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。

from __future__ import annotations

from collections.abc import Iterable

from google.cloud import batch_v1


def list_jobs(project_id: str, region: str) -> Iterable[batch_v1.Job]:
    """
    Get a list of all jobs defined in given region.

    Args:
        project_id: project ID or project number of the Cloud project you want to use.
        region: name of the region hosting the jobs.

    Returns:
        An iterable collection of Job object.
    """
    client = batch_v1.BatchServiceClient()

    return client.list_jobs(parent=f"projects/{project_id}/locations/{region}")

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。