DescribeJob 搭配 AWS SDK 或 CLI 使用

下列程式碼範例示範如何使用 DescribeJob。

動作範例是大型程式的程式碼摘錄，必須在內容中執行。您可以在下列程式碼範例的內容中看到此動作：

• 了解基本概念

CLI

AWS CLI

描述 Amazon S3 批次操作任務

以下describe-job提供指定批次操作任務的組態參數和狀態。

aws s3control describe-job \
    --account-id 123456789012 \
    --job-id 93735294-df46-44d5-8638-6356f335324e

輸出：

{
    "Job": {
        "TerminationDate": "2019-10-03T21:49:53.944Z",
        "JobId": "93735294-df46-44d5-8638-6356f335324e",
        "FailureReasons": [],
        "Manifest": {
            "Spec": {
                "Fields": [
                    "Bucket",
                    "Key"
                ],
                "Format": "S3BatchOperations_CSV_20180820"
            },
            "Location": {
                "ETag": "69f52a4e9f797e987155d9c8f5880897",
                "ObjectArn": "arn:aws:s3:::employee-records-logs/inv-report/7a6a9be4-072c-407e-85a2-ec3e982f773e.csv"
            }
        },
        "Operation": {
            "S3PutObjectTagging": {
                "TagSet": [
                    {
                        "Value": "true",
                        "Key": "confidential"
                    }
                ]
            }
        },
        "RoleArn": "arn:aws:iam::123456789012:role/S3BatchJobRole",
        "ProgressSummary": {
            "TotalNumberOfTasks": 8,
            "NumberOfTasksFailed": 0,
            "NumberOfTasksSucceeded": 8
        },
        "Priority": 42,
        "Report": {
            "ReportScope": "AllTasks",
            "Format": "Report_CSV_20180820",
            "Enabled": true,
            "Prefix": "batch-op-create-job",
            "Bucket": "arn:aws:s3:::employee-records-logs"
        },
        "JobArn": "arn:aws:s3:us-west-2:123456789012:job/93735294-df46-44d5-8638-6356f335324e",
        "CreationTime": "2019-10-03T21:48:48.048Z",
        "Status": "Complete"
    }
}

• 如需 API 的詳細資訊，請參閱《AWS CLI 命令參考》中的 DescribeVpcs。

Java

SDK for Java 2.x

注意

GitHub 上提供更多範例。尋找完整範例，並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

    /**
     * Asynchronously describes the specified job.
     *
     * @param jobId     the ID of the job to describe
     * @param accountId the ID of the AWS account associated with the job
     * @return a {@link CompletableFuture} that completes when the job description is available
     * @throws RuntimeException if an error occurs while describing the job
     */
    public CompletableFuture<Void> describeJobAsync(String jobId, String accountId) {
        DescribeJobRequest jobRequest = DescribeJobRequest.builder()
            .jobId(jobId)
            .accountId(accountId)
            .build();

        return getAsyncClient().describeJob(jobRequest)
            .thenAccept(response -> {
                System.out.println("Job ID: " + response.job().jobId());
                System.out.println("Description: " + response.job().description());
                System.out.println("Status: " + response.job().statusAsString());
                System.out.println("Role ARN: " + response.job().roleArn());
                System.out.println("Priority: " + response.job().priority());
                System.out.println("Progress Summary: " + response.job().progressSummary());

                // Print out details about the job manifest.
                JobManifest manifest = response.job().manifest();
                System.out.println("Manifest Location: " + manifest.location().objectArn());
                System.out.println("Manifest ETag: " + manifest.location().eTag());

                // Print out details about the job operation.
                JobOperation operation = response.job().operation();
                if (operation.s3PutObjectTagging() != null) {
                    System.out.println("Operation: S3 Put Object Tagging");
                    System.out.println("Tag Set: " + operation.s3PutObjectTagging().tagSet());
                }

                // Print out details about the job report.
                JobReport report = response.job().report();
                System.out.println("Report Bucket: " + report.bucket());
                System.out.println("Report Prefix: " + report.prefix());
                System.out.println("Report Format: " + report.format());
                System.out.println("Report Enabled: " + report.enabled());
                System.out.println("Report Scope: " + report.reportScopeAsString());
            })
            .exceptionally(ex -> {
                System.err.println("Failed to describe job: " + ex.getMessage());
                throw new RuntimeException(ex);
            });
    }

• 如需 API 詳細資訊，請參閱AWS SDK for Java 2.x 《 API 參考》中的 DescribeJob。