

文档 AWS SDK 示例 GitHub 存储库中还有更多 [S AWS DK 示例](https://github.com/awsdocs/aws-doc-sdk-examples)。

本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。

# 使用的代码示 AWS Batch 例 AWS SDKs
<a name="batch_code_examples"></a>

以下代码示例向您展示了如何 AWS Batch 使用 AWS 软件开发套件 (SDK)。

*基本功能*是向您展示如何在服务中执行基本操作的代码示例。

*操作*是大型程序的代码摘录，必须在上下文中运行。您可以通过操作了解如何调用单个服务函数，还可以通过函数相关场景的上下文查看操作。

*场景*是向您展示如何通过在一个服务中调用多个函数或与其他 AWS 服务服务结合来完成特定任务的代码示例。

**更多资源**
+  **[AWS Batch 用户指南](https://docs.aws.amazon.com/batch/latest/userguide/what-is-batch.html)** —有关的更多信息 AWS Batch.
+ **[AWS Batch API 参考](https://docs.aws.amazon.com/batch/latest/APIReference/Welcome.html)**-有关所有可用 AWS Batch 操作的详细信息。
+ **[AWS 开发者中心](https://aws.amazon.com/developer/code-examples/?awsf.sdk-code-examples-product=product%23batch)** — 您可以按类别或全文搜索筛选的代码示例。
+ **[AWS SDK 示例](https://github.com/awsdocs/aws-doc-sdk-examples)** — 包含首选语言完整代码的 GitHub 存储库。包括有关设置和运行代码的说明。

**Contents**
+ [基本功能](batch_code_examples_basics.md)
  + [你好 AWS Batch](batch_example_batch_Hello_section.md)
  + [了解基本功能](batch_example_batch_Scenario_section.md)
  + [操作](batch_code_examples_actions.md)
    + [`CreateComputeEnvironment`](batch_example_batch_CreateComputeEnvironment_section.md)
    + [`CreateJobQueue`](batch_example_batch_CreateJobQueue_section.md)
    + [`DeleteComputeEnvironment`](batch_example_batch_DeleteComputeEnvironment_section.md)
    + [`DeleteJobQueue`](batch_example_batch_DeleteJobQueue_section.md)
    + [`DeregisterJobDefinition`](batch_example_batch_DeregisterJobDefinition_section.md)
    + [`DescribeComputeEnvironments`](batch_example_batch_DescribeComputeEnvironments_section.md)
    + [`DescribeJobQueues`](batch_example_batch_DescribeJobQueues_section.md)
    + [`DescribeJobs`](batch_example_batch_DescribeJobs_section.md)
    + [`ListJobsPaginator`](batch_example_batch_ListJobsPaginator_section.md)
    + [`RegisterJobDefinition`](batch_example_batch_RegisterJobDefinition_section.md)
    + [`SubmitJob`](batch_example_batch_SubmitJob_section.md)
    + [`UpdateComputeEnvironment`](batch_example_batch_UpdateComputeEnvironment_section.md)
    + [`UpdateJobQueue`](batch_example_batch_UpdateJobQueue_section.md)
+ [场景](batch_code_examples_scenarios.md)
  + [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md)

# 使用的基本示 AWS Batch 例 AWS SDKs
<a name="batch_code_examples_basics"></a>

以下代码示例说明如何使用 with 的基础 AWS Batch 知识 AWS SDKs。

**Contents**
+ [你好 AWS Batch](batch_example_batch_Hello_section.md)
+ [了解基本功能](batch_example_batch_Scenario_section.md)
+ [操作](batch_code_examples_actions.md)
  + [`CreateComputeEnvironment`](batch_example_batch_CreateComputeEnvironment_section.md)
  + [`CreateJobQueue`](batch_example_batch_CreateJobQueue_section.md)
  + [`DeleteComputeEnvironment`](batch_example_batch_DeleteComputeEnvironment_section.md)
  + [`DeleteJobQueue`](batch_example_batch_DeleteJobQueue_section.md)
  + [`DeregisterJobDefinition`](batch_example_batch_DeregisterJobDefinition_section.md)
  + [`DescribeComputeEnvironments`](batch_example_batch_DescribeComputeEnvironments_section.md)
  + [`DescribeJobQueues`](batch_example_batch_DescribeJobQueues_section.md)
  + [`DescribeJobs`](batch_example_batch_DescribeJobs_section.md)
  + [`ListJobsPaginator`](batch_example_batch_ListJobsPaginator_section.md)
  + [`RegisterJobDefinition`](batch_example_batch_RegisterJobDefinition_section.md)
  + [`SubmitJob`](batch_example_batch_SubmitJob_section.md)
  + [`UpdateComputeEnvironment`](batch_example_batch_UpdateComputeEnvironment_section.md)
  + [`UpdateJobQueue`](batch_example_batch_UpdateJobQueue_section.md)

# 你好 AWS Batch
<a name="batch_example_batch_Hello_section"></a>

以下代码示例展示了如何开始使用 AWS Batch。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
import software.amazon.awssdk.core.client.config.ClientOverrideConfiguration;
import software.amazon.awssdk.core.retry.RetryPolicy;
import software.amazon.awssdk.http.async.SdkAsyncHttpClient;
import software.amazon.awssdk.http.nio.netty.NettyNioAsyncHttpClient;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.batch.BatchAsyncClient;
import software.amazon.awssdk.services.batch.model.JobStatus;
import software.amazon.awssdk.services.batch.model.JobSummary;
import software.amazon.awssdk.services.batch.model.ListJobsRequest;
import software.amazon.awssdk.services.batch.paginators.ListJobsPublisher;
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;

public class HelloBatch {
    private static BatchAsyncClient batchClient;

    public static void main(String[] args) {
        List<JobSummary> jobs = listJobs("my-job-queue");
        jobs.forEach(job ->
            System.out.printf("Job ID: %s, Job Name: %s, Job Status: %s%n",
                job.jobId(), job.jobName(), job.status())
        );
    }

    public static List<JobSummary> listJobs(String jobQueue) {
        if (jobQueue == null || jobQueue.isEmpty()) {
            throw new IllegalArgumentException("Job queue cannot be null or empty");
        }

        ListJobsRequest listJobsRequest = ListJobsRequest.builder()
            .jobQueue(jobQueue)
            .jobStatus(JobStatus.SUCCEEDED)
            .build();

        List<JobSummary> jobSummaries = new ArrayList<>();
        ListJobsPublisher listJobsPaginator = getAsyncClient().listJobsPaginator(listJobsRequest);
        CompletableFuture<Void> future = listJobsPaginator.subscribe(response -> {
            jobSummaries.addAll(response.jobSummaryList());
        });

        future.join();
        return jobSummaries;
    }

    private static BatchAsyncClient getAsyncClient() {
        SdkAsyncHttpClient httpClient = NettyNioAsyncHttpClient.builder()
            .maxConcurrency(100)  // Increase max concurrency to handle more simultaneous connections.
            .connectionTimeout(Duration.ofSeconds(60))  // Set the connection timeout.
            .readTimeout(Duration.ofSeconds(60))  // Set the read timeout.
            .writeTimeout(Duration.ofSeconds(60))  // Set the write timeout.
            .build();

        ClientOverrideConfiguration overrideConfig = ClientOverrideConfiguration.builder()
            .apiCallTimeout(Duration.ofMinutes(2))  // Set the overall API call timeout.
            .apiCallAttemptTimeout(Duration.ofSeconds(90))  // Set the individual call attempt timeout.
            .retryPolicy(RetryPolicy.builder()  // Add a retry policy to handle transient errors.
                .numRetries(3)  // Number of retry attempts.
                .build())
            .build();

        if (batchClient == null) {
            batchClient = BatchAsyncClient.builder()
                .region(Region.US_EAST_1)
                .httpClient(httpClient)
                .overrideConfiguration(overrideConfig)
                .build();
        }
        return batchClient;
    }
}
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[listJobsPaginator](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/listJobsPaginator)*中的。

------

# 学习 AWS Batch 使用 AWS SDK 的基础知识
<a name="batch_example_batch_Scenario_section"></a>

以下代码示例展示了如何：
+ 创建 AWS Batch 计算环境。
+ 检查计算环境的状态。
+ 设置 AWS Batch 作业队列和作业定义。
+ 注册作业定义。
+ 提 AWS Batch 交 Job。
+ 获取适用于作业队列的作业列表。
+ 检查作业的状态。
+ 删除 AWS Batch 资源。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。
运行演示 AWS Batch 功能的交互式场景。  

```
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import software.amazon.awssdk.services.batch.model.BatchException;
import software.amazon.awssdk.services.batch.model.ClientException;
import software.amazon.awssdk.services.batch.model.CreateComputeEnvironmentResponse;
import software.amazon.awssdk.services.batch.model.JobSummary;
import software.amazon.awssdk.services.ec2.Ec2AsyncClient;
import software.amazon.awssdk.services.ec2.model.DescribeSecurityGroupsRequest;
import software.amazon.awssdk.services.ec2.model.DescribeSecurityGroupsResponse;
import software.amazon.awssdk.services.ec2.model.DescribeSubnetsRequest;
import software.amazon.awssdk.services.ec2.model.DescribeSubnetsResponse;
import software.amazon.awssdk.services.ec2.model.DescribeVpcsRequest;
import software.amazon.awssdk.services.ec2.model.Filter;
import software.amazon.awssdk.services.ec2.model.SecurityGroup;
import software.amazon.awssdk.services.ec2.model.Subnet;
import software.amazon.awssdk.services.ec2.model.Vpc;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.UUID;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;

/**
 * Before running this Java V2 code example, set up your development
 * environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 *
 * NOTE
 * This scenario submits a job that pulls a Docker image named echo-text from Amazon ECR to Amazon Fargate.
 *
 * To place this Docker image on Amazon ECR, run the following Basics scenario.
 *
 * https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/ecr
 *
 */
public class BatchScenario {
    public static final String DASHES = new String(new char[80]).replace("\0", "-");

    // Define two stacks used in this Basics Scenario.
    private static final String ROLES_STACK = "RolesStack";
    private static String defaultSubnet;
    private static String defaultSecurityGroup;

    private static final Logger logger = LoggerFactory.getLogger(BatchScenario.class);

    public static void main(String[] args) throws InterruptedException {

        BatchActions batchActions = new BatchActions();
        Scanner scanner = new Scanner(System.in);
        String computeEnvironmentName = "my-compute-environment";
        String jobQueueName = "my-job-queue";
        String jobDefinitionName = "my-job-definition";


        // See the NOTE in this Java code example (at start).
        String dockerImage = "dkr.ecr.us-east-1.amazonaws.com/echo-text:echo-text";

        logger.info("""
            AWS Batch is a fully managed batch processing service that dynamically provisions the required compute 
            resources for batch computing workloads. The Java V2 `BatchAsyncClient` allows 
            developers to automate the submission, monitoring, and management of batch jobs.
                        
            This scenario provides an example of setting up a compute environment, job queue and job definition, 
            and then submitting a job.
            
            This scenario submits a job that pulls a Docker image named echo-text from Amazon ECR to Amazon Fargate.
            
            To place this Docker image on Amazon ECR, run the following Basics scenario.
            
            https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/ecr
            
            Let's get started...
                        
            You have two choices:
            
            1 - Run the entire program.
            2 - Delete an existing Compute Environment (created from a previous execution of 
            this program that did not complete).
            """);

        while (true) {
            String input = scanner.nextLine();
            if (input.trim().equalsIgnoreCase("1")) {
                logger.info("Continuing with the program...");
               // logger.info("");
                break;
            } else if (input.trim().equalsIgnoreCase("2")) {
                String jobQueueARN = String.valueOf(batchActions. describeJobQueueAsync(computeEnvironmentName));
                if (!jobQueueARN.isEmpty()) {
                    batchActions.disableJobQueueAsync(jobQueueARN);
                    countdown(1);
                    batchActions.deleteJobQueueAsync(jobQueueARN);
                }

                try {
                    batchActions.disableComputeEnvironmentAsync(computeEnvironmentName)
                        .exceptionally(ex -> {
                            logger.info("Disable compute environment failed: " + ex.getMessage());
                            return null;
                        })
                        .join();
                } catch (CompletionException ex) {
                    logger.info("Failed to disable compute environment: " + ex.getMessage());
                }
                countdown(2);
                batchActions.deleteComputeEnvironmentAsync(computeEnvironmentName).join();
                return;
            } else {
                // Handle invalid input.
                logger.info("Invalid input. Please try again.");
            }
        }
        System.out.println(DASHES);

        waitForInputToContinue(scanner);
        // Get an AWS Account id used to retrieve the docker image from Amazon ECR.
        // Create a single-element array to store the `accountId` value.
        String[] accId = new String[1];
        CompletableFuture<String> accountIdFuture = batchActions.getAccountId();
        accountIdFuture.thenAccept(accountId -> {
            logger.info("Account ID: " + accountId);
            accId[0] = accountId;
        }).join();

        dockerImage = accId[0]+"."+dockerImage;

        // Get a default subnet and default security associated with the default VPC.
        getSubnetSecurityGroup();

        logger.info("Use AWS CloudFormation to create two IAM roles that are required for this scenario.");
        CloudFormationHelper.deployCloudFormationStack(ROLES_STACK);

        Map<String, String> stackOutputs = CloudFormationHelper.getStackOutputs(ROLES_STACK);
        String batchIAMRole = stackOutputs.get("BatchRoleArn");
        String executionRoleARN = stackOutputs.get("EcsRoleArn");

        logger.info("The IAM role needed to interact with AWS Batch is "+batchIAMRole);
        waitForInputToContinue(scanner);

        logger.info(DASHES);
        logger.info("1. Create a Batch compute environment");
        logger.info("""
            A compute environment is a resource where you can run your batch jobs. 
            After creating a compute environment, you can define job queues and job definitions to submit jobs for 
            execution. 
            
            The benefit of creating a compute environment is it allows you to easily configure and manage the compute 
            resources that will be used to run your Batch jobs. By separating the compute environment from the job definitions,
            you can easily scale your compute resources up or down as needed, without having to modify your job definitions. 
            This makes it easier to manage your Batch workloads and ensures that your jobs have the necessary 
            compute resources to run efficiently.
            """);

        waitForInputToContinue(scanner);
        try {
            CompletableFuture<CreateComputeEnvironmentResponse> future = batchActions.createComputeEnvironmentAsync(computeEnvironmentName, batchIAMRole, defaultSubnet, defaultSecurityGroup);
            CreateComputeEnvironmentResponse response = future.join();
            logger.info("Compute Environment ARN: " + response.computeEnvironmentArn());
        } catch (RuntimeException rte) {
            Throwable cause = rte.getCause();
            if (cause instanceof ClientException batchExceptionEx) {
                String myErrorCode = batchExceptionEx.awsErrorDetails().errorMessage();
                if ("Object already exists".contains(myErrorCode)) {
                    logger.info("The compute environment '" + computeEnvironmentName + "' already exists. Moving on...");
                } else {
                    logger.info("Batch error occurred: {} (Code: {})", batchExceptionEx.getMessage(), batchExceptionEx.awsErrorDetails().errorCode());
                    return;
                }
            } else {
                    logger.info("An unexpected error occurred: {}", (cause != null ? cause.getMessage() : rte.getMessage()));
            }
        }
        waitForInputToContinue(scanner);
        logger.info(DASHES);

        logger.info(DASHES);
        logger.info("2. Check the status of the "+computeEnvironmentName +" Compute Environment.");
        waitForInputToContinue(scanner);
        try {
            CompletableFuture<String> future = batchActions.checkComputeEnvironmentsStatus(computeEnvironmentName);
            String status = future.join();
            logger.info("Compute Environment Status: " + status);

        } catch (RuntimeException rte) {
            Throwable cause = rte.getCause();
            if (cause instanceof ClientException batchExceptionEx) {
                logger.info("Batch error occurred: {} (Code: {})", batchExceptionEx.getMessage(), batchExceptionEx.awsErrorDetails().errorCode());
                return;
            } else {
                logger.info("An unexpected error occurred: " + (cause != null ? cause.getMessage() : rte.getMessage()));
                return;
            }
        }
        waitForInputToContinue(scanner);
        logger.info(DASHES);

        logger.info(DASHES);
        logger.info("3. Create a job queue");
        logger.info("""
             A job queue is an essential component that helps manage the execution of your batch jobs. 
             It acts as a buffer, where jobs are placed and then scheduled for execution based on their 
             priority and the available resources in the compute environment. 
             """);
        waitForInputToContinue(scanner);

        String jobQueueArn = null;
        try {
            CompletableFuture<String> jobQueueFuture = batchActions.createJobQueueAsync(jobQueueName, computeEnvironmentName);
            jobQueueArn = jobQueueFuture.join();
            logger.info("Job Queue ARN: " + jobQueueArn);

        } catch (RuntimeException rte) {
            Throwable cause = rte.getCause();
            if (cause instanceof BatchException batchExceptionEx) {
                String myErrorCode = batchExceptionEx.awsErrorDetails().errorMessage();
                if ("Object already exists".contains(myErrorCode)) {
                    logger.info("The job queue '" + jobQueueName + "' already exists. Moving on...");
                    // Retrieve the ARN of the job queue.
                    CompletableFuture<String> jobQueueArnFuture = batchActions.getJobQueueARN(jobQueueName);
                    jobQueueArn = jobQueueArnFuture.join();
                    logger.info("Job Queue ARN: " + jobQueueArn);
                } else {
                    logger.info("Batch error occurred: {} (Code: {})", batchExceptionEx.getMessage(), batchExceptionEx.awsErrorDetails().errorCode());
                    return;
                }
            } else {
                logger.info("An unexpected error occurred: " + (cause != null ? cause.getMessage() : rte.getMessage()));
                return; // End the execution
            }
        }
        waitForInputToContinue(scanner);
        logger.info(DASHES);

        logger.info("4. Register a Job Definition.");
        logger.info("""
            Registering a job in AWS Batch using the Fargate launch type ensures that all
            necessary parameters, such as the execution role, command to run, and so on
            are specified and reused across multiple job submissions.
            
             The job definition pulls a Docker image from Amazon ECR and executes the Docker image.
            """);

        waitForInputToContinue(scanner);
        String jobARN;
        try {
            String platform = "";
            while (true) {
                logger.info("""
                    On which platform/CPU architecture combination did you build the Docker image?:
                    1. Windows       X86_64
                    2. Mac or Linux  ARM64
                    3. Mac or Linux  X86_64
                                
                    Please select 1, 2, or 3.
                    """);
                String platAns = scanner.nextLine().trim();
                if (platAns.equals("1")) {
                    platform = "X86_64";
                    break; // Exit loop since a valid option is selected
                } else if (platAns.equals("2")) {
                    platform = "ARM64";
                    break; // Exit loop since a valid option is selected
                } else if (platAns.equals("3")) {
                    platform = "X86_64";
                    break; // Exit loop since a valid option is selected
                } else {
                    System.out.println("Invalid input. Please select either 1 or 2.");
                }
            }

            jobARN = batchActions.registerJobDefinitionAsync(jobDefinitionName, executionRoleARN, dockerImage, platform)
                .exceptionally(ex -> {
                    System.err.println("Register job definition failed: " + ex.getMessage());
                    return null;
                })
                .join();
            if (jobARN != null) {
                logger.info("Job ARN: " + jobARN);
            }
        } catch (RuntimeException rte) {
            logger.error("A Batch exception occurred while registering the job: {}", rte.getCause() != null ? rte.getCause().getMessage() : rte.getMessage());
            return;
        }
        logger.info(DASHES);

        logger.info(DASHES);
        logger.info("5. Submit an AWS Batch job from a job definition.");
        waitForInputToContinue(scanner);
        String jobId;
        try {
            jobId = batchActions.submitJobAsync(jobDefinitionName, jobQueueName, jobARN)
                .exceptionally(ex -> {
                    System.err.println("Submit job failed: " + ex.getMessage());
                    return null;
                })
                .join();

            logger.info("The job id is "+jobId);
            logger.info("Let's wait 2 minutes for the job to complete");
            countdown(2);

        } catch (RuntimeException rte) {
            logger.error("A Batch exception occurred while submitting the job: {}", rte.getCause() != null ? rte.getCause().getMessage() : rte.getMessage());
            return;
        }
        waitForInputToContinue(scanner);
        System.out.println(DASHES);

        logger.info(DASHES);
        logger.info("6. Get a list of jobs applicable to the job queue.");

        waitForInputToContinue(scanner);
        try {
            List<JobSummary> jobs = batchActions.listJobsAsync(jobQueueName);
            jobs.forEach(job ->
                logger.info("Job ID: {}, Job Name: {}, Job Status: {}", job.jobId(), job.jobName(), job.status()));

        } catch (RuntimeException rte) {
            logger.info("A Batch exception occurred while submitting the job: {}", rte.getCause() != null ? rte.getCause().getMessage() : rte.getMessage());
            return;
        }

        waitForInputToContinue(scanner);
        logger.info(DASHES);

        logger.info(DASHES);
        logger.info("7. Check the status of job "+jobId);
        waitForInputToContinue(scanner);
        try {
            CompletableFuture<String> future = batchActions.describeJobAsync(jobId);
            String jobStatus = future.join();
            logger.info("Job Status: " + jobStatus);

        } catch (RuntimeException rte) {
            logger.info("A Batch exception occurred while submitting the job: {}", rte.getCause() != null ? rte.getCause().getMessage() : rte.getMessage());
            return;
        }

        waitForInputToContinue(scanner);
        System.out.println(DASHES);

        logger.info("8. Delete Batch resources");
        logger.info(
            """
            When deleting an AWS Batch compute environment, it does not happen instantaneously. 
            There is typically a delay, similar to some other AWS resources. 
            AWS Batch starts the deletion process.
            """);
        logger.info("Would you like to delete the AWS Batch resources such as the compute environment? (y/n)");
        String delAns = scanner.nextLine().trim();
        if (delAns.equalsIgnoreCase("y")) {
            logger.info("You selected to delete the AWS ECR resources.");
            logger.info("First, we will deregister the Job Definition.");
            waitForInputToContinue(scanner);
            try {
                batchActions.deregisterJobDefinitionAsync(jobARN)
                    .exceptionally(ex -> {
                        logger.info("Deregister job definition failed: " + ex.getMessage());
                        return null;
                    })
                    .join();
                logger.info(jobARN + " was deregistered");
            } catch (RuntimeException rte) {
                logger.error("A Batch exception occurred: {}", rte.getCause() != null ? rte.getCause().getMessage() : rte.getMessage());
                return;
            }

            logger.info("Second, we will disable and then delete the Job Queue.");
            waitForInputToContinue(scanner);
            try {
                batchActions.disableJobQueueAsync(jobQueueArn)
                    .exceptionally(ex -> {
                        logger.info("Disable job queue failed: " + ex.getMessage());
                        return null;
                    })
                    .join();
                logger.info(jobQueueArn + " was disabled");
            } catch (RuntimeException rte) {
                logger.info("A Batch exception occurred: {}", rte.getCause() != null ? rte.getCause().getMessage() : rte.getMessage());
                return;
            }

            batchActions.waitForJobQueueToBeDisabledAsync(jobQueueArn);
            try {
                CompletableFuture<Void> future = batchActions.waitForJobQueueToBeDisabledAsync(jobQueueArn);
                future.join();
                logger.info("Job queue is now disabled.");
            } catch (RuntimeException rte) {
                logger.info("A Batch exception occurred: {}", rte.getCause() != null ? rte.getCause().getMessage() : rte.getMessage());
                return;
            }

            waitForInputToContinue(scanner);
            try {
                batchActions.deleteJobQueueAsync(jobQueueArn);
                logger.info(jobQueueArn +" was deleted");
            } catch (RuntimeException rte) {
                logger.info("A Batch exception occurred: {}", rte.getCause() != null ? rte.getCause().getMessage() : rte.getMessage());
                return;
            }
            logger.info("Let's wait 2 minutes for the job queue to be deleted");
            countdown(2);
            waitForInputToContinue(scanner);

            logger.info("Third, we will delete the Compute Environment.");
            waitForInputToContinue(scanner);
            try {
                batchActions.disableComputeEnvironmentAsync(computeEnvironmentName)
                    .exceptionally(ex -> {
                        System.err.println("Disable compute environment failed: " + ex.getMessage());
                        return null;
                    })
                    .join();
                logger.info("Compute environment disabled") ;
            } catch (RuntimeException rte) {
                logger.info("A Batch exception occurred: {}", rte.getCause() != null ? rte.getCause().getMessage() : rte.getMessage());
                return;
            }

            batchActions.checkComputeEnvironmentsStatus(computeEnvironmentName).thenAccept(state -> {
                logger.info("Current State: " + state);
            }).join();

            logger.info("Lets wait 1 min for the compute environment to be deleted");
            countdown(1);

            try {
                batchActions.deleteComputeEnvironmentAsync(computeEnvironmentName).join();
                logger.info(computeEnvironmentName +" was deleted.");

            } catch (RuntimeException rte) {
                logger.info("A Batch exception occurred: {}", rte.getCause() != null ? rte.getCause().getMessage() : rte.getMessage());
                return;
            }
            waitForInputToContinue(scanner);
            CloudFormationHelper.destroyCloudFormationStack(ROLES_STACK);
        }

        logger.info(DASHES);
        logger.info("This concludes the AWS Batch SDK scenario");
        logger.info(DASHES);
    }

    private static void waitForInputToContinue(Scanner scanner) {
        while (true) {
            logger.info("");
            logger.info("Enter 'c' followed by <ENTER> to continue:");
            String input = scanner.nextLine();

            if (input.trim().equalsIgnoreCase("c")) {
                logger.info("Continuing with the program...");
                logger.info("");
                break;
            } else {
                // Handle invalid input.
                logger.info("Invalid input. Please try again.");
            }
        }
    }

    public static void countdown(int minutes) throws InterruptedException {
        int seconds = 0;
        for (int i = minutes * 60 + seconds; i >= 0; i--) {
            int displayMinutes = i / 60;
            int displaySeconds = i % 60;
            System.out.print(String.format("\r%02d:%02d", displayMinutes, displaySeconds));
            Thread.sleep(1000); // Wait for 1 second
        }
        logger.info("Countdown complete!");
    }

    private static void getSubnetSecurityGroup() {
        try (Ec2AsyncClient ec2Client = Ec2AsyncClient.create()) {
            CompletableFuture<Vpc> defaultVpcFuture = ec2Client.describeVpcs(DescribeVpcsRequest.builder()
                            .filters(Filter.builder()
                                    .name("is-default")
                                    .values("true")
                                    .build())
                            .build())
                    .thenApply(response -> response.vpcs().stream()
                            .findFirst()
                            .orElseThrow(() -> new RuntimeException("Default VPC not found")));

            CompletableFuture<String> defaultSubnetFuture = defaultVpcFuture
                    .thenCompose(vpc -> ec2Client.describeSubnets(DescribeSubnetsRequest.builder()
                                    .filters(Filter.builder()
                                                    .name("vpc-id")
                                                    .values(vpc.vpcId())
                                                    .build(),
                                            Filter.builder()
                                                    .name("default-for-az")
                                                    .values("true")
                                                    .build())
                                    .build())
                            .thenApply(DescribeSubnetsResponse::subnets)
                            .thenApply(subnets -> subnets.stream()
                                    .findFirst()
                                    .map(Subnet::subnetId)
                                    .orElseThrow(() -> new RuntimeException("No default subnet found"))));

            CompletableFuture<String> defaultSecurityGroupFuture = defaultVpcFuture
                    .thenCompose(vpc -> ec2Client.describeSecurityGroups(DescribeSecurityGroupsRequest.builder()
                                    .filters(Filter.builder()
                                                    .name("group-name")
                                                    .values("default")
                                                    .build(),
                                            Filter.builder()
                                                    .name("vpc-id")
                                                    .values(vpc.vpcId())
                                                    .build())
                                    .build())
                            .thenApply(DescribeSecurityGroupsResponse::securityGroups)
                            .thenApply(securityGroups -> securityGroups.stream()
                                    .findFirst()
                                    .map(SecurityGroup::groupId)
                                    .orElseThrow(() -> new RuntimeException("No default security group found"))));

            defaultSubnet = defaultSubnetFuture.join();
            defaultSecurityGroup = defaultSecurityGroupFuture.join();
        }
    }
}
```
 AWS Batch SDK 方法的包装器类。  

```
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import software.amazon.awssdk.core.client.config.ClientOverrideConfiguration;
import software.amazon.awssdk.core.retry.RetryPolicy;
import software.amazon.awssdk.http.async.SdkAsyncHttpClient;
import software.amazon.awssdk.http.nio.netty.NettyNioAsyncHttpClient;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.batch.BatchAsyncClient;
import software.amazon.awssdk.services.batch.BatchClient;
import software.amazon.awssdk.services.batch.model.AssignPublicIp;
import software.amazon.awssdk.services.batch.model.BatchException;
import software.amazon.awssdk.services.batch.model.CEState;
import software.amazon.awssdk.services.batch.model.CEType;
import software.amazon.awssdk.services.batch.model.CRType;
import software.amazon.awssdk.services.batch.model.ComputeEnvironmentOrder;
import software.amazon.awssdk.services.batch.model.ComputeResource;
import software.amazon.awssdk.services.batch.model.ContainerProperties;
import software.amazon.awssdk.services.batch.model.CreateComputeEnvironmentRequest;
import software.amazon.awssdk.services.batch.model.CreateComputeEnvironmentResponse;
import software.amazon.awssdk.services.batch.model.CreateJobQueueRequest;
import software.amazon.awssdk.services.batch.model.DeleteComputeEnvironmentRequest;
import software.amazon.awssdk.services.batch.model.DeleteComputeEnvironmentResponse;
import software.amazon.awssdk.services.batch.model.DeleteJobQueueRequest;
import software.amazon.awssdk.services.batch.model.DeleteJobQueueResponse;
import software.amazon.awssdk.services.batch.model.DeregisterJobDefinitionRequest;
import software.amazon.awssdk.services.batch.model.DeregisterJobDefinitionResponse;
import software.amazon.awssdk.services.batch.model.DescribeComputeEnvironmentsRequest;
import software.amazon.awssdk.services.batch.model.DescribeComputeEnvironmentsResponse;
import software.amazon.awssdk.services.batch.model.DescribeJobQueuesRequest;
import software.amazon.awssdk.services.batch.model.DescribeJobQueuesResponse;
import software.amazon.awssdk.services.batch.model.DescribeJobsRequest;
import software.amazon.awssdk.services.batch.model.DescribeJobsResponse;
import software.amazon.awssdk.services.batch.model.JQState;
import software.amazon.awssdk.services.batch.model.JobDefinitionType;
import software.amazon.awssdk.services.batch.model.JobDetail;
import software.amazon.awssdk.services.batch.model.JobQueueDetail;
import software.amazon.awssdk.services.batch.model.JobStatus;
import software.amazon.awssdk.services.batch.model.JobSummary;
import software.amazon.awssdk.services.batch.model.ListJobsRequest;
import software.amazon.awssdk.services.batch.model.RegisterJobDefinitionResponse;
import software.amazon.awssdk.services.batch.model.NetworkConfiguration;
import software.amazon.awssdk.services.batch.model.PlatformCapability;
import software.amazon.awssdk.services.batch.model.RegisterJobDefinitionRequest;
import software.amazon.awssdk.services.batch.model.ResourceRequirement;
import software.amazon.awssdk.services.batch.model.ResourceType;
import software.amazon.awssdk.services.batch.model.RuntimePlatform;
import software.amazon.awssdk.services.batch.model.SubmitJobRequest;
import software.amazon.awssdk.services.batch.model.CreateJobQueueResponse;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.atomic.AtomicBoolean;
import software.amazon.awssdk.auth.credentials.EnvironmentVariableCredentialsProvider;
import software.amazon.awssdk.services.batch.model.SubmitJobResponse;
import software.amazon.awssdk.services.batch.model.UpdateComputeEnvironmentRequest;
import software.amazon.awssdk.services.batch.model.UpdateComputeEnvironmentResponse;
import software.amazon.awssdk.services.batch.model.UpdateJobQueueRequest;
import software.amazon.awssdk.services.batch.model.UpdateJobQueueResponse;
import software.amazon.awssdk.services.batch.paginators.ListJobsPublisher;
import software.amazon.awssdk.services.sts.StsAsyncClient;
import software.amazon.awssdk.services.sts.model.GetCallerIdentityResponse;

public class BatchActions {
    private static BatchAsyncClient batchClient;

    private static final Logger logger = LoggerFactory.getLogger(BatchActions.class);

    private static BatchAsyncClient getAsyncClient() {
        if (batchClient == null) {
            SdkAsyncHttpClient httpClient = NettyNioAsyncHttpClient.builder()
                .maxConcurrency(100)
                .connectionTimeout(Duration.ofSeconds(60))
                .readTimeout(Duration.ofSeconds(60))
                .writeTimeout(Duration.ofSeconds(60))
                .build();

            ClientOverrideConfiguration overrideConfig = ClientOverrideConfiguration.builder()
                .apiCallTimeout(Duration.ofMinutes(2))
                .apiCallAttemptTimeout(Duration.ofSeconds(90))
                .retryPolicy(RetryPolicy.builder()
                    .numRetries(3)
                    .build())
                .build();

            batchClient = BatchAsyncClient.builder()
                .region(Region.US_EAST_1)
                .httpClient(httpClient)
                .overrideConfiguration(overrideConfig)
                .build();
        }
        return batchClient;
    }

    /**
     * Asynchronously creates a new compute environment in AWS Batch.
     *
     * @param computeEnvironmentName the name of the compute environment to create
     * @param batchIAMRole the IAM role to be used by the compute environment
     * @param subnet the subnet ID to be used for the compute environment
     * @param secGroup the security group ID to be used for the compute environment
     * @return a {@link CompletableFuture} representing the asynchronous operation, which will complete with the
     *         {@link CreateComputeEnvironmentResponse} when the compute environment has been created
     * @throws BatchException if there is an error creating the compute environment
     * @throws RuntimeException if there is an unexpected error during the operation
     */
    public CompletableFuture<CreateComputeEnvironmentResponse> createComputeEnvironmentAsync(
        String computeEnvironmentName, String batchIAMRole, String subnet, String secGroup) {
        CreateComputeEnvironmentRequest environmentRequest = CreateComputeEnvironmentRequest.builder()
            .computeEnvironmentName(computeEnvironmentName)
            .type(CEType.MANAGED)
            .state(CEState.ENABLED)
            .computeResources(ComputeResource.builder()
                .type(CRType.FARGATE)
                .maxvCpus(256)
                .subnets(Collections.singletonList(subnet))
                .securityGroupIds(Collections.singletonList(secGroup))
                .build())
            .serviceRole(batchIAMRole)
            .build();

        CompletableFuture<CreateComputeEnvironmentResponse> response = getAsyncClient().createComputeEnvironment(environmentRequest);
        response.whenComplete((resp, ex) -> {
            if (ex != null) {
               String errorMessage = "Unexpected error occurred: " + ex.getMessage();
               throw new RuntimeException(errorMessage, ex);
            }
        });

        return response;
    }

    public CompletableFuture<DeleteComputeEnvironmentResponse> deleteComputeEnvironmentAsync(String computeEnvironmentName) {
        DeleteComputeEnvironmentRequest deleteComputeEnvironment = DeleteComputeEnvironmentRequest.builder()
            .computeEnvironment(computeEnvironmentName)
            .build();

        return getAsyncClient().deleteComputeEnvironment(deleteComputeEnvironment)
            .whenComplete((response, ex) -> {
                if (ex != null) {
                    Throwable cause = ex.getCause();
                    if (cause instanceof BatchException) {
                        throw new RuntimeException(cause);
                    } else {
                        throw new RuntimeException("Unexpected error: " + cause.getMessage(), cause);
                    }
                }
            });
    }

    /**
     * Checks the status of the specified compute environment.
     *
     * @param computeEnvironmentName the name of the compute environment to check
     * @return a CompletableFuture containing the status of the compute environment, or "ERROR" if an exception occurs
     */
    public CompletableFuture<String> checkComputeEnvironmentsStatus(String computeEnvironmentName) {
        if (computeEnvironmentName == null || computeEnvironmentName.isEmpty()) {
            throw new IllegalArgumentException("Compute environment name cannot be null or empty");
        }

        DescribeComputeEnvironmentsRequest environmentsRequest = DescribeComputeEnvironmentsRequest.builder()
            .computeEnvironments(computeEnvironmentName)
            .build();

        CompletableFuture<DescribeComputeEnvironmentsResponse> response = getAsyncClient().describeComputeEnvironments(environmentsRequest);
        response.whenComplete((resp, ex) -> {
            if (ex != null) {
                String errorMessage = "Unexpected error occurred: " + ex.getMessage();
                throw new RuntimeException(errorMessage, ex);
            }
        });

        return response.thenApply(resp -> resp.computeEnvironments().stream()
            .map(env -> env.statusAsString())
            .findFirst()
            .orElse("UNKNOWN"));
    }

    /**
     * Creates a job queue asynchronously.
     *
     * @param jobQueueName the name of the job queue to create
     * @param computeEnvironmentName the name of the compute environment to associate with the job queue
     * @return a CompletableFuture that completes with the Amazon Resource Name (ARN) of the job queue
     */
    public CompletableFuture<String> createJobQueueAsync(String jobQueueName, String computeEnvironmentName) {
        if (jobQueueName == null || jobQueueName.isEmpty()) {
            throw new IllegalArgumentException("Job queue name cannot be null or empty");
        }
        if (computeEnvironmentName == null || computeEnvironmentName.isEmpty()) {
            throw new IllegalArgumentException("Compute environment name cannot be null or empty");
        }

        CreateJobQueueRequest request = CreateJobQueueRequest.builder()
            .jobQueueName(jobQueueName)
            .priority(1)
            .computeEnvironmentOrder(ComputeEnvironmentOrder.builder()
                .computeEnvironment(computeEnvironmentName)
                .order(1)
                .build())
            .build();

        CompletableFuture<CreateJobQueueResponse> response = getAsyncClient().createJobQueue(request);
        response.whenComplete((resp, ex) -> {
            if (ex != null) {
                String errorMessage = "Unexpected error occurred: " + ex.getMessage();
                throw new RuntimeException(errorMessage, ex);
            }
        });

        return response.thenApply(CreateJobQueueResponse::jobQueueArn);
    }

    /**
     * Asynchronously lists the jobs in the specified job queue with the given job status.
     *
     * @param jobQueue the name of the job queue to list jobs from
     * @return a List<JobSummary> that contains the jobs that succeeded
     */
    public List<JobSummary> listJobsAsync(String jobQueue) {
        if (jobQueue == null || jobQueue.isEmpty()) {
            throw new IllegalArgumentException("Job queue cannot be null or empty");
        }

        ListJobsRequest listJobsRequest = ListJobsRequest.builder()
            .jobQueue(jobQueue)
            .jobStatus(JobStatus.SUCCEEDED)  // Filter jobs by status.
            .build();

        List<JobSummary> jobSummaries = new ArrayList<>();
        ListJobsPublisher listJobsPaginator = getAsyncClient().listJobsPaginator(listJobsRequest);
        CompletableFuture<Void> future = listJobsPaginator.subscribe(response -> {
            jobSummaries.addAll(response.jobSummaryList());
        });
        future.join();
        return jobSummaries;
    }

    /**
     * Registers a new job definition asynchronously in AWS Batch.
     * <p>
     * When using Fargate as the compute environment, it is crucial to set the
     * {@link NetworkConfiguration} with {@link AssignPublicIp#ENABLED} to
     * ensure proper networking configuration for the Fargate tasks. This
     * allows the tasks to communicate with external services, access the
     * internet, or communicate within a VPC.
     *
     * @param jobDefinitionName the name of the job definition to be registered
     * @param executionRoleARN the ARN (Amazon Resource Name) of the execution role
     *                         that provides permissions for the containers in the job
     * @param cpuArch a value of either X86_64 or ARM64 required for the service call
     * @return a CompletableFuture that completes with the ARN of the registered
     *         job definition upon successful execution, or completes exceptionally with
     *         an error if the registration fails
     */
    public CompletableFuture<String> registerJobDefinitionAsync(String jobDefinitionName, String executionRoleARN, String image, String cpuArch) {
        NetworkConfiguration networkConfiguration = NetworkConfiguration.builder()
                .assignPublicIp(AssignPublicIp.ENABLED)
                .build();

        ContainerProperties containerProperties = ContainerProperties.builder()
                .image(image)
                .executionRoleArn(executionRoleARN)
                .resourceRequirements(
                        Arrays.asList(
                                ResourceRequirement.builder()
                                        .type(ResourceType.VCPU)
                                        .value("1")
                                        .build(),
                                ResourceRequirement.builder()
                                        .type(ResourceType.MEMORY)
                                        .value("2048")
                                        .build()
                        )
                )
                .networkConfiguration(networkConfiguration)
               .runtimePlatform(b -> b
                        .cpuArchitecture(cpuArch)
                        .operatingSystemFamily("LINUX"))
                .build();

        RegisterJobDefinitionRequest request = RegisterJobDefinitionRequest.builder()
                .jobDefinitionName(jobDefinitionName)
                .type(JobDefinitionType.CONTAINER)
                .containerProperties(containerProperties)
                .platformCapabilities(PlatformCapability.FARGATE)
                .build();

        CompletableFuture<String> future = new CompletableFuture<>();
        getAsyncClient().registerJobDefinition(request)
                .thenApply(RegisterJobDefinitionResponse::jobDefinitionArn)
                .whenComplete((result, ex) -> {
                    if (ex != null) {
                        future.completeExceptionally(ex);
                    } else {
                        future.complete(result);
                    }
                });

        return future;
    }

    /**
     * Deregisters a job definition asynchronously.
     *
     * @param jobDefinition the name of the job definition to be deregistered
     * @return a CompletableFuture that completes when the job definition has been deregistered
     * or an exception has occurred
     */
    public CompletableFuture<DeregisterJobDefinitionResponse> deregisterJobDefinitionAsync(String jobDefinition) {
        DeregisterJobDefinitionRequest jobDefinitionRequest = DeregisterJobDefinitionRequest.builder()
            .jobDefinition(jobDefinition)
            .build();

        CompletableFuture<DeregisterJobDefinitionResponse> responseFuture = getAsyncClient().deregisterJobDefinition(jobDefinitionRequest);
        responseFuture.whenComplete((response, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Unexpected error occurred: " + ex.getMessage(), ex);
            }
        });

        return responseFuture;
    }

    /**
     * Disables the specified job queue asynchronously.
     *
     * @param jobQueueArn the Amazon Resource Name (ARN) of the job queue to be disabled
     * @return a {@link CompletableFuture} that completes when the job queue update operation is complete,
     *         or completes exceptionally if an error occurs during the operation
     */
    public CompletableFuture<Void> disableJobQueueAsync(String jobQueueArn) {
        UpdateJobQueueRequest updateRequest = UpdateJobQueueRequest.builder()
            .jobQueue(jobQueueArn)
            .state(JQState.DISABLED)
            .build();

        CompletableFuture<UpdateJobQueueResponse> responseFuture = getAsyncClient().updateJobQueue(updateRequest);
        return responseFuture.whenComplete((updateResponse, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Failed to update job queue: " + ex.getMessage(), ex);
            }
        }).thenApply(updateResponse -> null);
    }

    /**
     * Deletes a Batch job queue asynchronously.
     *
     * @param jobQueueArn The Amazon Resource Name (ARN) of the job queue to delete.
     * @return A CompletableFuture that represents the asynchronous deletion of the job queue.
     *         The future completes when the job queue has been successfully deleted or if an error occurs.
     *         If successful, the future will be completed with a {@code Void} value.
     *         If an error occurs, the future will be completed exceptionally with the thrown exception.
     */
    public CompletableFuture<Void> deleteJobQueueAsync(String jobQueueArn) {
        DeleteJobQueueRequest deleteRequest = DeleteJobQueueRequest.builder()
            .jobQueue(jobQueueArn)
            .build();

        CompletableFuture<DeleteJobQueueResponse> responseFuture = getAsyncClient().deleteJobQueue(deleteRequest);
        return responseFuture.whenComplete((deleteResponse, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Failed to delete job queue: " + ex.getMessage(), ex);
            }
        }).thenApply(deleteResponse -> null);
    }

    /**
     * Asynchronously describes the job queue associated with the specified compute environment.
     *
     * @param computeEnvironmentName the name of the compute environment to find the associated job queue for
     * @return a {@link CompletableFuture} that, when completed, contains the job queue ARN associated with the specified compute environment
     * @throws RuntimeException if the job queue description fails
     */
    public CompletableFuture<String> describeJobQueueAsync(String computeEnvironmentName) {
        DescribeJobQueuesRequest describeJobQueuesRequest = DescribeJobQueuesRequest.builder()
            .build();

        CompletableFuture<DescribeJobQueuesResponse> responseFuture = getAsyncClient().describeJobQueues(describeJobQueuesRequest);
        return responseFuture.whenComplete((describeJobQueuesResponse, ex) -> {
            if (describeJobQueuesResponse != null) {
                String jobQueueARN;
                for (JobQueueDetail jobQueueDetail : describeJobQueuesResponse.jobQueues()) {
                    for (ComputeEnvironmentOrder computeEnvironmentOrder : jobQueueDetail.computeEnvironmentOrder()) {
                        String computeEnvironment = computeEnvironmentOrder.computeEnvironment();
                        String name = getComputeEnvironmentName(computeEnvironment);
                        if (name.equals(computeEnvironmentName)) {
                            jobQueueARN = jobQueueDetail.jobQueueArn();
                            logger.info("Job queue ARN associated with the compute environment: " + jobQueueARN);
                        }
                    }
                }
            } else {
                throw new RuntimeException("Failed to describe job queue: " + ex.getMessage(), ex);
            }
        }).thenApply(describeJobQueuesResponse -> {
            String jobQueueARN = "";
            for (JobQueueDetail jobQueueDetail : describeJobQueuesResponse.jobQueues()) {
                for (ComputeEnvironmentOrder computeEnvironmentOrder : jobQueueDetail.computeEnvironmentOrder()) {
                    String computeEnvironment = computeEnvironmentOrder.computeEnvironment();
                    String name = getComputeEnvironmentName(computeEnvironment);
                    if (name.equals(computeEnvironmentName)) {
                        jobQueueARN = jobQueueDetail.jobQueueArn();
                    }
                }
            }
            return jobQueueARN;
        });
    }

    /**
     * Disables the specified compute environment asynchronously.
     *
     * @param computeEnvironmentName the name of the compute environment to disable
     * @return a CompletableFuture that completes when the compute environment is disabled
     */
    public CompletableFuture<UpdateComputeEnvironmentResponse> disableComputeEnvironmentAsync(String computeEnvironmentName) {
        UpdateComputeEnvironmentRequest updateRequest = UpdateComputeEnvironmentRequest.builder()
            .computeEnvironment(computeEnvironmentName)
            .state(CEState.DISABLED)
            .build();

        CompletableFuture<UpdateComputeEnvironmentResponse> responseFuture = getAsyncClient().updateComputeEnvironment(updateRequest);
        responseFuture.whenComplete((response, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Failed to disable compute environment: " + ex.getMessage(), ex);
            }
        });

        return responseFuture;
    }

    /**
     * Submits a job asynchronously to the AWS Batch service.
     *
     * @param jobDefinitionName the name of the job definition to use
     * @param jobQueueName the name of the job queue to submit the job to
     * @param jobARN the Amazon Resource Name (ARN) of the job definition
     * @return a CompletableFuture that, when completed, contains the job ID of the submitted job
     */
    public CompletableFuture<String> submitJobAsync(String jobDefinitionName, String jobQueueName, String jobARN) {
        SubmitJobRequest jobRequest = SubmitJobRequest.builder()
            .jobDefinition(jobARN)
            .jobName(jobDefinitionName)
            .jobQueue(jobQueueName)
            .build();

        CompletableFuture<SubmitJobResponse> responseFuture = getAsyncClient().submitJob(jobRequest);
        responseFuture.whenComplete((response, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Unexpected error occurred: " + ex.getMessage(), ex);
            }
        });

        return responseFuture.thenApply(SubmitJobResponse::jobId);
    }

    /**
     * Asynchronously retrieves the status of a specific job.
     *
     * @param jobId the ID of the job to retrieve the status for
     * @return a CompletableFuture that completes with the job status
     */
    public CompletableFuture<String> describeJobAsync(String jobId) {
        DescribeJobsRequest describeJobsRequest = DescribeJobsRequest.builder()
            .jobs(jobId)
            .build();

        CompletableFuture<DescribeJobsResponse> responseFuture = getAsyncClient().describeJobs(describeJobsRequest);
        return responseFuture.whenComplete((response, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Unexpected error occurred: " + ex.getMessage(), ex);
            }
        }).thenApply(response -> response.jobs().get(0).status().toString());
    }

    /**
     * Disables the specific job queue using the asynchronous Java client.
     *
     * @param jobQueueArn the Amazon Resource Name (ARN) of the job queue to wait for
     * @return a {@link CompletableFuture} that completes when the job queue is disabled
     */
    public CompletableFuture<Void> waitForJobQueueToBeDisabledAsync(String jobQueueArn) {
        AtomicBoolean isDisabled = new AtomicBoolean(false);
        return CompletableFuture.runAsync(() -> {
            while (!isDisabled.get()) {
                DescribeJobQueuesRequest describeRequest = DescribeJobQueuesRequest.builder()
                    .jobQueues(jobQueueArn)
                    .build();

                CompletableFuture<DescribeJobQueuesResponse> responseFuture = getAsyncClient().describeJobQueues(describeRequest);
                responseFuture.whenComplete((describeResponse, ex) -> {
                    if (describeResponse != null) {
                        for (JobQueueDetail jobQueue : describeResponse.jobQueues()) {
                            if (jobQueue.jobQueueArn().equals(jobQueueArn) && jobQueue.state() == JQState.DISABLED) {
                                isDisabled.set(true);
                                break;
                            }
                        }
                    } else {
                        throw new RuntimeException("Error describing job queues", ex);
                    }
                }).join();

                if (!isDisabled.get()) {
                    try {
                        logger.info("Waiting for job queue to be disabled...");
                        Thread.sleep(5000);
                    } catch (InterruptedException e) {
                        Thread.currentThread().interrupt();
                        throw new RuntimeException("Thread interrupted while waiting for job queue to be disabled", e);
                    }
                }
            }
        }).whenComplete((result, throwable) -> {
            if (throwable != null) {
                throw new RuntimeException("Error while waiting for job queue to be disabled", throwable);
            }
        });
    }

    public CompletableFuture<String> getJobQueueARN(String jobQueueName) {
        // Describe the job queue asynchronously
        CompletableFuture<DescribeJobQueuesResponse> describeJobQueuesFuture = batchClient.describeJobQueues(
            DescribeJobQueuesRequest.builder()
                .jobQueues(jobQueueName)
                .build()
        );

        // Handle the asynchronous response and return the Job Queue ARN in the CompletableFuture<String>
        CompletableFuture<String> jobQueueArnFuture = new CompletableFuture<>();
        describeJobQueuesFuture.whenComplete((response, error) -> {
            if (error != null) {
                if (error instanceof BatchException) {
                    logger.info("Batch error: " + ((BatchException) error).awsErrorDetails().errorMessage());
                } else {
                    logger.info("Error describing job queue: " + error.getMessage());
                }
                jobQueueArnFuture.completeExceptionally(new RuntimeException("Failed to retrieve Job Queue ARN", error));
            } else {
                if (response.jobQueues().isEmpty()) {
                    jobQueueArnFuture.completeExceptionally(new RuntimeException("Job queue not found: " + jobQueueName));
                } else {
                    // Assuming only one job queue is returned for the given name
                    String jobQueueArn = response.jobQueues().get(0).jobQueueArn();
                    jobQueueArnFuture.complete(jobQueueArn);
                }
            }
        });

        return jobQueueArnFuture;
    }

    private static String getComputeEnvironmentName(String computeEnvironment) {
        String[] parts = computeEnvironment.split("/");
        if (parts.length == 2) {
            return parts[1];
        }
        return null;
    }

    public CompletableFuture<String> getAccountId() {
        StsAsyncClient stsAsyncClient = StsAsyncClient.builder()
            .region(Region.US_EAST_1)
            .build();

        return stsAsyncClient.getCallerIdentity()
            .thenApply(GetCallerIdentityResponse::account);
    }


}
```
+ 有关 API 详细信息，请参阅《AWS SDK for Java 2.x API Reference》**中的以下主题。
  + [CreateComputeEnvironment](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/CreateComputeEnvironment)
  + [CreateJobQueue](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/CreateJobQueue)
  + [DeleteComputeEnvironment](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DeleteComputeEnvironment)
  + [DeleteJobQueue](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DeleteJobQueue)
  + [DeregisterJobDefinition](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DeregisterJobDefinition)
  + [DescribeComputeEnvironments](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DescribeComputeEnvironments)
  + [DescribeJobQueues](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DescribeJobQueues)
  + [DescribeJobs](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DescribeJobs)
  + [ListJobsPaginator](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/ListJobsPaginator)
  + [RegisterJobDefinition](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/RegisterJobDefinition)
  + [SubmitJob](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/SubmitJob)
  + [UpdateComputeEnvironment](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/UpdateComputeEnvironment)
  + [UpdateJobQueue](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/UpdateJobQueue)

------

# AWS Batch 使用的操作 AWS SDKs
<a name="batch_code_examples_actions"></a>

以下代码示例演示了如何使用执行单个 AWS Batch 操作 AWS SDKs。每个示例都包含一个指向的链接 GitHub，您可以在其中找到有关设置和运行代码的说明。

这些摘录调用 AWS Batch API，是大型程序的代码摘录，这些程序必须在上下文中运行。您可以在[AWS Batch 使用场景 AWS SDKs](batch_code_examples_scenarios.md)中结合上下文查看操作。

 以下示例仅包括最常用的操作。有关完整列表，请参阅 [AWS Batch API 参考](https://docs.aws.amazon.com/batch/latest/APIReference/Welcome.html)。

**Topics**
+ [`CreateComputeEnvironment`](batch_example_batch_CreateComputeEnvironment_section.md)
+ [`CreateJobQueue`](batch_example_batch_CreateJobQueue_section.md)
+ [`DeleteComputeEnvironment`](batch_example_batch_DeleteComputeEnvironment_section.md)
+ [`DeleteJobQueue`](batch_example_batch_DeleteJobQueue_section.md)
+ [`DeregisterJobDefinition`](batch_example_batch_DeregisterJobDefinition_section.md)
+ [`DescribeComputeEnvironments`](batch_example_batch_DescribeComputeEnvironments_section.md)
+ [`DescribeJobQueues`](batch_example_batch_DescribeJobQueues_section.md)
+ [`DescribeJobs`](batch_example_batch_DescribeJobs_section.md)
+ [`ListJobsPaginator`](batch_example_batch_ListJobsPaginator_section.md)
+ [`RegisterJobDefinition`](batch_example_batch_RegisterJobDefinition_section.md)
+ [`SubmitJob`](batch_example_batch_SubmitJob_section.md)
+ [`UpdateComputeEnvironment`](batch_example_batch_UpdateComputeEnvironment_section.md)
+ [`UpdateJobQueue`](batch_example_batch_UpdateJobQueue_section.md)

# `CreateComputeEnvironment`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_CreateComputeEnvironment_section"></a>

以下代码示例演示如何使用 `CreateComputeEnvironment`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**创建具有按需型实例的托管计算环境**  
此示例创建一个托管计算环境，具有按需启动的特定 C4 实例类型。计算环境称为 C4 OnDemand。  
命令:  

```
aws batch create-compute-environment --cli-input-json file://<path_to_json_file>/C4OnDemand.json
```
JSON 文件格式：  

```
{
  "computeEnvironmentName": "C4OnDemand",
  "type": "MANAGED",
  "state": "ENABLED",
  "computeResources": {
    "type": "EC2",
    "minvCpus": 0,
    "maxvCpus": 128,
    "desiredvCpus": 48,
    "instanceTypes": [
      "c4.large",
      "c4.xlarge",
      "c4.2xlarge",
      "c4.4xlarge",
      "c4.8xlarge"
    ],
    "subnets": [
      "subnet-220c0e0a",
      "subnet-1a95556d",
      "subnet-978f6dce"
    ],
    "securityGroupIds": [
      "sg-cf5093b2"
    ],
    "ec2KeyPair": "id_rsa",
    "instanceRole": "ecsInstanceRole",
    "tags": {
      "Name": "Batch Instance - C4OnDemand"
    }
  },
  "serviceRole": "arn:aws:iam::012345678910:role/AWSBatchServiceRole"
}
```
输出：  

```
{
    "computeEnvironmentName": "C4OnDemand",
    "computeEnvironmentArn": "arn:aws:batch:us-east-1:012345678910:compute-environment/C4OnDemand"
}
```
**创建具有竞价型实例托管计算环境**  
此示例创建一个具有 M4 实例类型的托管计算环境，在竞价出价等于或低于该实例类型按需价格的 20% 时启动。计算环境称为 M4Spot。  
命令:  

```
aws batch create-compute-environment --cli-input-json file://<path_to_json_file>/M4Spot.json
```
JSON 文件格式：  

```
{
  "computeEnvironmentName": "M4Spot",
  "type": "MANAGED",
  "state": "ENABLED",
  "computeResources": {
    "type": "SPOT",
    "spotIamFleetRole": "arn:aws:iam::012345678910:role/aws-ec2-spot-fleet-role",
    "minvCpus": 0,
    "maxvCpus": 128,
    "desiredvCpus": 4,
    "instanceTypes": [
      "m4"
    ],
    "bidPercentage": 20,
    "subnets": [
      "subnet-220c0e0a",
      "subnet-1a95556d",
      "subnet-978f6dce"
    ],
    "securityGroupIds": [
      "sg-cf5093b2"
    ],
    "ec2KeyPair": "id_rsa",
    "instanceRole": "ecsInstanceRole",
    "tags": {
      "Name": "Batch Instance - M4Spot"
    }
  },
  "serviceRole": "arn:aws:iam::012345678910:role/AWSBatchServiceRole"
}
```
输出：  

```
{
    "computeEnvironmentName": "M4Spot",
    "computeEnvironmentArn": "arn:aws:batch:us-east-1:012345678910:compute-environment/M4Spot"
}
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[CreateComputeEnvironment](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/create-compute-environment.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Asynchronously creates a new compute environment in AWS Batch.
     *
     * @param computeEnvironmentName the name of the compute environment to create
     * @param batchIAMRole the IAM role to be used by the compute environment
     * @param subnet the subnet ID to be used for the compute environment
     * @param secGroup the security group ID to be used for the compute environment
     * @return a {@link CompletableFuture} representing the asynchronous operation, which will complete with the
     *         {@link CreateComputeEnvironmentResponse} when the compute environment has been created
     * @throws BatchException if there is an error creating the compute environment
     * @throws RuntimeException if there is an unexpected error during the operation
     */
    public CompletableFuture<CreateComputeEnvironmentResponse> createComputeEnvironmentAsync(
        String computeEnvironmentName, String batchIAMRole, String subnet, String secGroup) {
        CreateComputeEnvironmentRequest environmentRequest = CreateComputeEnvironmentRequest.builder()
            .computeEnvironmentName(computeEnvironmentName)
            .type(CEType.MANAGED)
            .state(CEState.ENABLED)
            .computeResources(ComputeResource.builder()
                .type(CRType.FARGATE)
                .maxvCpus(256)
                .subnets(Collections.singletonList(subnet))
                .securityGroupIds(Collections.singletonList(secGroup))
                .build())
            .serviceRole(batchIAMRole)
            .build();

        CompletableFuture<CreateComputeEnvironmentResponse> response = getAsyncClient().createComputeEnvironment(environmentRequest);
        response.whenComplete((resp, ex) -> {
            if (ex != null) {
               String errorMessage = "Unexpected error occurred: " + ex.getMessage();
               throw new RuntimeException(errorMessage, ex);
            }
        });

        return response;
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[CreateComputeEnvironment](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/CreateComputeEnvironment)*中的。

------

# `CreateJobQueue`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_CreateJobQueue_section"></a>

以下代码示例演示如何使用 `CreateJobQueue`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**创建包含单一计算环境的低优先级作业队列**  
此示例创建了一个名为的作业队列 LowPriority ，该队列使用 M4Spot 计算环境。  
命令:  

```
aws batch create-job-queue --cli-input-json file://<path_to_json_file>/LowPriority.json
```
JSON 文件格式：  

```
{
  "jobQueueName": "LowPriority",
  "state": "ENABLED",
  "priority": 10,
  "computeEnvironmentOrder": [
    {
      "order": 1,
      "computeEnvironment": "M4Spot"
    }
  ]
}
```
输出：  

```
{
    "jobQueueArn": "arn:aws:batch:us-east-1:012345678910:job-queue/LowPriority",
    "jobQueueName": "LowPriority"
}
```
**创建包含两个计算环境的高优先级作业队列**  
此示例创建了一个名为的作业队列 HighPriority ，该队列使用阶数为 1 的 C4 OnDemand 计算环境和阶数为 2 的 M4Spot 计算环境。调度器将首先尝试在 C4 OnDemand 计算环境中放置作业。  
命令:  

```
aws batch create-job-queue --cli-input-json file://<path_to_json_file>/HighPriority.json
```
JSON 文件格式：  

```
{
  "jobQueueName": "HighPriority",
  "state": "ENABLED",
  "priority": 1,
  "computeEnvironmentOrder": [
    {
      "order": 1,
      "computeEnvironment": "C4OnDemand"
    },
    {
      "order": 2,
      "computeEnvironment": "M4Spot"
    }
  ]
}
```
输出：  

```
{
    "jobQueueArn": "arn:aws:batch:us-east-1:012345678910:job-queue/HighPriority",
    "jobQueueName": "HighPriority"
}
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[CreateJobQueue](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/create-job-queue.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Creates a job queue asynchronously.
     *
     * @param jobQueueName the name of the job queue to create
     * @param computeEnvironmentName the name of the compute environment to associate with the job queue
     * @return a CompletableFuture that completes with the Amazon Resource Name (ARN) of the job queue
     */
    public CompletableFuture<String> createJobQueueAsync(String jobQueueName, String computeEnvironmentName) {
        if (jobQueueName == null || jobQueueName.isEmpty()) {
            throw new IllegalArgumentException("Job queue name cannot be null or empty");
        }
        if (computeEnvironmentName == null || computeEnvironmentName.isEmpty()) {
            throw new IllegalArgumentException("Compute environment name cannot be null or empty");
        }

        CreateJobQueueRequest request = CreateJobQueueRequest.builder()
            .jobQueueName(jobQueueName)
            .priority(1)
            .computeEnvironmentOrder(ComputeEnvironmentOrder.builder()
                .computeEnvironment(computeEnvironmentName)
                .order(1)
                .build())
            .build();

        CompletableFuture<CreateJobQueueResponse> response = getAsyncClient().createJobQueue(request);
        response.whenComplete((resp, ex) -> {
            if (ex != null) {
                String errorMessage = "Unexpected error occurred: " + ex.getMessage();
                throw new RuntimeException(errorMessage, ex);
            }
        });

        return response.thenApply(CreateJobQueueResponse::jobQueueArn);
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[CreateJobQueue](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/CreateJobQueue)*中的。

------

# `DeleteComputeEnvironment`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_DeleteComputeEnvironment_section"></a>

以下代码示例演示如何使用 `DeleteComputeEnvironment`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**删除计算环境**  
此示例删除了 P2 OnDemand 计算环境。  
命令:  

```
aws batch delete-compute-environment --compute-environment P2OnDemand
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[DeleteComputeEnvironment](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/delete-compute-environment.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    public CompletableFuture<DeleteComputeEnvironmentResponse> deleteComputeEnvironmentAsync(String computeEnvironmentName) {
        DeleteComputeEnvironmentRequest deleteComputeEnvironment = DeleteComputeEnvironmentRequest.builder()
            .computeEnvironment(computeEnvironmentName)
            .build();

        return getAsyncClient().deleteComputeEnvironment(deleteComputeEnvironment)
            .whenComplete((response, ex) -> {
                if (ex != null) {
                    Throwable cause = ex.getCause();
                    if (cause instanceof BatchException) {
                        throw new RuntimeException(cause);
                    } else {
                        throw new RuntimeException("Unexpected error: " + cause.getMessage(), cause);
                    }
                }
            });
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DeleteComputeEnvironment](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DeleteComputeEnvironment)*中的。

------

# `DeleteJobQueue`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_DeleteJobQueue_section"></a>

以下代码示例演示如何使用 `DeleteJobQueue`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**删除作业队列**  
此示例删除 GPGPU 作业队列。  
命令:  

```
aws batch delete-job-queue --job-queue GPGPU
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[DeleteJobQueue](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/delete-job-queue.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Deletes a Batch job queue asynchronously.
     *
     * @param jobQueueArn The Amazon Resource Name (ARN) of the job queue to delete.
     * @return A CompletableFuture that represents the asynchronous deletion of the job queue.
     *         The future completes when the job queue has been successfully deleted or if an error occurs.
     *         If successful, the future will be completed with a {@code Void} value.
     *         If an error occurs, the future will be completed exceptionally with the thrown exception.
     */
    public CompletableFuture<Void> deleteJobQueueAsync(String jobQueueArn) {
        DeleteJobQueueRequest deleteRequest = DeleteJobQueueRequest.builder()
            .jobQueue(jobQueueArn)
            .build();

        CompletableFuture<DeleteJobQueueResponse> responseFuture = getAsyncClient().deleteJobQueue(deleteRequest);
        return responseFuture.whenComplete((deleteResponse, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Failed to delete job queue: " + ex.getMessage(), ex);
            }
        }).thenApply(deleteResponse -> null);
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DeleteJobQueue](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DeleteJobQueue)*中的。

------

# `DeregisterJobDefinition`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_DeregisterJobDefinition_section"></a>

以下代码示例演示如何使用 `DeregisterJobDefinition`。

操作示例是大型程序的代码摘录，必须在上下文中运行。在以下代码示例中，您可以查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**注销作业定义**  
此示例注销名为 sleep10 的作业定义。  
命令:  

```
aws batch deregister-job-definition --job-definition sleep10
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[DeregisterJobDefinition](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/deregister-job-definition.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Deregisters a job definition asynchronously.
     *
     * @param jobDefinition the name of the job definition to be deregistered
     * @return a CompletableFuture that completes when the job definition has been deregistered
     * or an exception has occurred
     */
    public CompletableFuture<DeregisterJobDefinitionResponse> deregisterJobDefinitionAsync(String jobDefinition) {
        DeregisterJobDefinitionRequest jobDefinitionRequest = DeregisterJobDefinitionRequest.builder()
            .jobDefinition(jobDefinition)
            .build();

        CompletableFuture<DeregisterJobDefinitionResponse> responseFuture = getAsyncClient().deregisterJobDefinition(jobDefinitionRequest);
        responseFuture.whenComplete((response, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Unexpected error occurred: " + ex.getMessage(), ex);
            }
        });

        return responseFuture;
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DeregisterJobDefinition](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DeregisterJobDefinition)*中的。

------

# `DescribeComputeEnvironments`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_DescribeComputeEnvironments_section"></a>

以下代码示例演示如何使用 `DescribeComputeEnvironments`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**描述计算环境**  
此示例描述了 P2 OnDemand 计算环境。  
命令:  

```
aws batch describe-compute-environments --compute-environments P2OnDemand
```
输出：  

```
{
    "computeEnvironments": [
        {
            "status": "VALID",
            "serviceRole": "arn:aws:iam::012345678910:role/AWSBatchServiceRole",
            "computeEnvironmentArn": "arn:aws:batch:us-east-1:012345678910:compute-environment/P2OnDemand",
            "computeResources": {
                "subnets": [
                    "subnet-220c0e0a",
                    "subnet-1a95556d",
                    "subnet-978f6dce"
                ],
                "tags": {
                    "Name": "Batch Instance - P2OnDemand"
                },
                "desiredvCpus": 48,
                "minvCpus": 0,
                "instanceTypes": [
                    "p2"
                ],
                "securityGroupIds": [
                    "sg-cf5093b2"
                ],
                "instanceRole": "ecsInstanceRole",
                "maxvCpus": 128,
                "type": "EC2",
                "ec2KeyPair": "id_rsa"
            },
            "statusReason": "ComputeEnvironment Healthy",
            "ecsClusterArn": "arn:aws:ecs:us-east-1:012345678910:cluster/P2OnDemand_Batch_2c06f29d-d1fe-3a49-879d-42394c86effc",
            "state": "ENABLED",
            "computeEnvironmentName": "P2OnDemand",
            "type": "MANAGED"
        }
    ]
}
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[DescribeComputeEnvironments](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/describe-compute-environments.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Checks the status of the specified compute environment.
     *
     * @param computeEnvironmentName the name of the compute environment to check
     * @return a CompletableFuture containing the status of the compute environment, or "ERROR" if an exception occurs
     */
    public CompletableFuture<String> checkComputeEnvironmentsStatus(String computeEnvironmentName) {
        if (computeEnvironmentName == null || computeEnvironmentName.isEmpty()) {
            throw new IllegalArgumentException("Compute environment name cannot be null or empty");
        }

        DescribeComputeEnvironmentsRequest environmentsRequest = DescribeComputeEnvironmentsRequest.builder()
            .computeEnvironments(computeEnvironmentName)
            .build();

        CompletableFuture<DescribeComputeEnvironmentsResponse> response = getAsyncClient().describeComputeEnvironments(environmentsRequest);
        response.whenComplete((resp, ex) -> {
            if (ex != null) {
                String errorMessage = "Unexpected error occurred: " + ex.getMessage();
                throw new RuntimeException(errorMessage, ex);
            }
        });

        return response.thenApply(resp -> resp.computeEnvironments().stream()
            .map(env -> env.statusAsString())
            .findFirst()
            .orElse("UNKNOWN"));
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DescribeComputeEnvironments](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DescribeComputeEnvironments)*中的。

------

# `DescribeJobQueues`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_DescribeJobQueues_section"></a>

以下代码示例演示如何使用 `DescribeJobQueues`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**描述作业队列**  
此示例描述了 HighPriority 任务队列。  
命令:  

```
aws batch describe-job-queues --job-queues HighPriority
```
输出：  

```
{
    "jobQueues": [
        {
            "status": "VALID",
            "jobQueueArn": "arn:aws:batch:us-east-1:012345678910:job-queue/HighPriority",
            "computeEnvironmentOrder": [
                {
                    "computeEnvironment": "arn:aws:batch:us-east-1:012345678910:compute-environment/C4OnDemand",
                    "order": 1
                }
            ],
            "statusReason": "JobQueue Healthy",
            "priority": 1,
            "state": "ENABLED",
            "jobQueueName": "HighPriority"
        }
    ]
}
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[DescribeJobQueues](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/describe-job-queues.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Asynchronously describes the job queue associated with the specified compute environment.
     *
     * @param computeEnvironmentName the name of the compute environment to find the associated job queue for
     * @return a {@link CompletableFuture} that, when completed, contains the job queue ARN associated with the specified compute environment
     * @throws RuntimeException if the job queue description fails
     */
    public CompletableFuture<String> describeJobQueueAsync(String computeEnvironmentName) {
        DescribeJobQueuesRequest describeJobQueuesRequest = DescribeJobQueuesRequest.builder()
            .build();

        CompletableFuture<DescribeJobQueuesResponse> responseFuture = getAsyncClient().describeJobQueues(describeJobQueuesRequest);
        return responseFuture.whenComplete((describeJobQueuesResponse, ex) -> {
            if (describeJobQueuesResponse != null) {
                String jobQueueARN;
                for (JobQueueDetail jobQueueDetail : describeJobQueuesResponse.jobQueues()) {
                    for (ComputeEnvironmentOrder computeEnvironmentOrder : jobQueueDetail.computeEnvironmentOrder()) {
                        String computeEnvironment = computeEnvironmentOrder.computeEnvironment();
                        String name = getComputeEnvironmentName(computeEnvironment);
                        if (name.equals(computeEnvironmentName)) {
                            jobQueueARN = jobQueueDetail.jobQueueArn();
                            logger.info("Job queue ARN associated with the compute environment: " + jobQueueARN);
                        }
                    }
                }
            } else {
                throw new RuntimeException("Failed to describe job queue: " + ex.getMessage(), ex);
            }
        }).thenApply(describeJobQueuesResponse -> {
            String jobQueueARN = "";
            for (JobQueueDetail jobQueueDetail : describeJobQueuesResponse.jobQueues()) {
                for (ComputeEnvironmentOrder computeEnvironmentOrder : jobQueueDetail.computeEnvironmentOrder()) {
                    String computeEnvironment = computeEnvironmentOrder.computeEnvironment();
                    String name = getComputeEnvironmentName(computeEnvironment);
                    if (name.equals(computeEnvironmentName)) {
                        jobQueueARN = jobQueueDetail.jobQueueArn();
                    }
                }
            }
            return jobQueueARN;
        });
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DescribeJobQueues](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DescribeJobQueues)*中的。

------

# `DescribeJobs`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_DescribeJobs_section"></a>

以下代码示例演示如何使用 `DescribeJobs`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**描述任务**  
以下 `describe-jobs` 示例描述具有指定作业 ID 的作业。  

```
aws batch describe-jobs \
    --jobs bcf0b186-a532-4122-842e-2ccab8d54efb
```
输出：  

```
{
    "jobs": [
        {
            "status": "SUBMITTED",
            "container": {
                "mountPoints": [],
                "image": "busybox",
                "environment": [],
                "vcpus": 1,
                "command": [
                    "sleep",
                    "60"
                ],
                "volumes": [],
                "memory": 128,
                "ulimits": []
            },
            "parameters": {},
            "jobDefinition": "arn:aws:batch:us-east-1:012345678910:job-definition/sleep60:1",
            "jobQueue": "arn:aws:batch:us-east-1:012345678910:job-queue/HighPriority",
            "jobId": "bcf0b186-a532-4122-842e-2ccab8d54efb",
            "dependsOn": [],
            "jobName": "example",
            "createdAt": 1480483387803
        }
    ]
}
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[DescribeJobs](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/describe-jobs.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Asynchronously retrieves the status of a specific job.
     *
     * @param jobId the ID of the job to retrieve the status for
     * @return a CompletableFuture that completes with the job status
     */
    public CompletableFuture<String> describeJobAsync(String jobId) {
        DescribeJobsRequest describeJobsRequest = DescribeJobsRequest.builder()
            .jobs(jobId)
            .build();

        CompletableFuture<DescribeJobsResponse> responseFuture = getAsyncClient().describeJobs(describeJobsRequest);
        return responseFuture.whenComplete((response, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Unexpected error occurred: " + ex.getMessage(), ex);
            }
        }).thenApply(response -> response.jobs().get(0).status().toString());
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DescribeJobs](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/DescribeJobs)*中的。

------

# 与 AWS SDK `ListJobsPaginator` 配合使用
<a name="batch_example_batch_ListJobsPaginator_section"></a>

以下代码示例演示了如何使用 `ListJobsPaginator`。

操作示例是大型程序的代码摘录，必须在上下文中运行。在以下代码示例中，您可以查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Asynchronously lists the jobs in the specified job queue with the given job status.
     *
     * @param jobQueue the name of the job queue to list jobs from
     * @return a List<JobSummary> that contains the jobs that succeeded
     */
    public List<JobSummary> listJobsAsync(String jobQueue) {
        if (jobQueue == null || jobQueue.isEmpty()) {
            throw new IllegalArgumentException("Job queue cannot be null or empty");
        }

        ListJobsRequest listJobsRequest = ListJobsRequest.builder()
            .jobQueue(jobQueue)
            .jobStatus(JobStatus.SUCCEEDED)  // Filter jobs by status.
            .build();

        List<JobSummary> jobSummaries = new ArrayList<>();
        ListJobsPublisher listJobsPaginator = getAsyncClient().listJobsPaginator(listJobsRequest);
        CompletableFuture<Void> future = listJobsPaginator.subscribe(response -> {
            jobSummaries.addAll(response.jobSummaryList());
        });
        future.join();
        return jobSummaries;
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[ListJobsPaginator](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/ListJobsPaginator)*中的。

------

# `RegisterJobDefinition`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_RegisterJobDefinition_section"></a>

以下代码示例演示如何使用 `RegisterJobDefinition`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**注册作业定义**  
此示例为一个简单容器作业注册作业定义。  
命令:  

```
aws batch register-job-definition --job-definition-name sleep30 --type container --container-properties '{ "image": "busybox", "vcpus": 1, "memory": 128, "command": [ "sleep", "30"]}'
```
输出：  

```
{
    "jobDefinitionArn": "arn:aws:batch:us-east-1:012345678910:job-definition/sleep30:1",
    "jobDefinitionName": "sleep30",
    "revision": 1
}
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[RegisterJobDefinition](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/register-job-definition.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Registers a new job definition asynchronously in AWS Batch.
     * <p>
     * When using Fargate as the compute environment, it is crucial to set the
     * {@link NetworkConfiguration} with {@link AssignPublicIp#ENABLED} to
     * ensure proper networking configuration for the Fargate tasks. This
     * allows the tasks to communicate with external services, access the
     * internet, or communicate within a VPC.
     *
     * @param jobDefinitionName the name of the job definition to be registered
     * @param executionRoleARN the ARN (Amazon Resource Name) of the execution role
     *                         that provides permissions for the containers in the job
     * @param cpuArch a value of either X86_64 or ARM64 required for the service call
     * @return a CompletableFuture that completes with the ARN of the registered
     *         job definition upon successful execution, or completes exceptionally with
     *         an error if the registration fails
     */
    public CompletableFuture<String> registerJobDefinitionAsync(String jobDefinitionName, String executionRoleARN, String image, String cpuArch) {
        NetworkConfiguration networkConfiguration = NetworkConfiguration.builder()
                .assignPublicIp(AssignPublicIp.ENABLED)
                .build();

        ContainerProperties containerProperties = ContainerProperties.builder()
                .image(image)
                .executionRoleArn(executionRoleARN)
                .resourceRequirements(
                        Arrays.asList(
                                ResourceRequirement.builder()
                                        .type(ResourceType.VCPU)
                                        .value("1")
                                        .build(),
                                ResourceRequirement.builder()
                                        .type(ResourceType.MEMORY)
                                        .value("2048")
                                        .build()
                        )
                )
                .networkConfiguration(networkConfiguration)
               .runtimePlatform(b -> b
                        .cpuArchitecture(cpuArch)
                        .operatingSystemFamily("LINUX"))
                .build();

        RegisterJobDefinitionRequest request = RegisterJobDefinitionRequest.builder()
                .jobDefinitionName(jobDefinitionName)
                .type(JobDefinitionType.CONTAINER)
                .containerProperties(containerProperties)
                .platformCapabilities(PlatformCapability.FARGATE)
                .build();

        CompletableFuture<String> future = new CompletableFuture<>();
        getAsyncClient().registerJobDefinition(request)
                .thenApply(RegisterJobDefinitionResponse::jobDefinitionArn)
                .whenComplete((result, ex) -> {
                    if (ex != null) {
                        future.completeExceptionally(ex);
                    } else {
                        future.complete(result);
                    }
                });

        return future;
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[RegisterJobDefinition](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/RegisterJobDefinition)*中的。

------

# `SubmitJob`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_SubmitJob_section"></a>

以下代码示例演示如何使用 `SubmitJob`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**提交作业**  
此示例向作业队列提交了一个名为 example 的简单容器 HighPriority 作业。  
命令:  

```
aws batch submit-job --job-name example --job-queue HighPriority  --job-definition sleep60
```
输出：  

```
{
    "jobName": "example",
    "jobId": "876da822-4198-45f2-a252-6cea32512ea8"
}
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[SubmitJob](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/submit-job.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Submits a job asynchronously to the AWS Batch service.
     *
     * @param jobDefinitionName the name of the job definition to use
     * @param jobQueueName the name of the job queue to submit the job to
     * @param jobARN the Amazon Resource Name (ARN) of the job definition
     * @return a CompletableFuture that, when completed, contains the job ID of the submitted job
     */
    public CompletableFuture<String> submitJobAsync(String jobDefinitionName, String jobQueueName, String jobARN) {
        SubmitJobRequest jobRequest = SubmitJobRequest.builder()
            .jobDefinition(jobARN)
            .jobName(jobDefinitionName)
            .jobQueue(jobQueueName)
            .build();

        CompletableFuture<SubmitJobResponse> responseFuture = getAsyncClient().submitJob(jobRequest);
        responseFuture.whenComplete((response, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Unexpected error occurred: " + ex.getMessage(), ex);
            }
        });

        return responseFuture.thenApply(SubmitJobResponse::jobId);
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[SubmitJob](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/SubmitJob)*中的。

------

# `UpdateComputeEnvironment`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_UpdateComputeEnvironment_section"></a>

以下代码示例演示如何使用 `UpdateComputeEnvironment`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**更新计算环境**  
此示例禁用 P2 OnDemand 计算环境，因此可以将其删除。  
命令:  

```
aws batch update-compute-environment --compute-environment P2OnDemand --state DISABLED
```
输出：  

```
{
    "computeEnvironmentName": "P2OnDemand",
    "computeEnvironmentArn": "arn:aws:batch:us-east-1:012345678910:compute-environment/P2OnDemand"
}
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[UpdateComputeEnvironment](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/update-compute-environment.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Disables the specified compute environment asynchronously.
     *
     * @param computeEnvironmentName the name of the compute environment to disable
     * @return a CompletableFuture that completes when the compute environment is disabled
     */
    public CompletableFuture<UpdateComputeEnvironmentResponse> disableComputeEnvironmentAsync(String computeEnvironmentName) {
        UpdateComputeEnvironmentRequest updateRequest = UpdateComputeEnvironmentRequest.builder()
            .computeEnvironment(computeEnvironmentName)
            .state(CEState.DISABLED)
            .build();

        CompletableFuture<UpdateComputeEnvironmentResponse> responseFuture = getAsyncClient().updateComputeEnvironment(updateRequest);
        responseFuture.whenComplete((response, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Failed to disable compute environment: " + ex.getMessage(), ex);
            }
        });

        return responseFuture;
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[UpdateComputeEnvironment](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/UpdateComputeEnvironment)*中的。

------

# `UpdateJobQueue`与 AWS SDK 或 CLI 配合使用
<a name="batch_example_batch_UpdateJobQueue_section"></a>

以下代码示例演示如何使用 `UpdateJobQueue`。

操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文：
+  [了解基本功能](batch_example_batch_Scenario_section.md) 
+  [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md) 

------
#### [ CLI ]

**AWS CLI**  
**更新作业队列**  
此示例禁用作业队列，以便将其删除。  
命令:  

```
aws batch update-job-queue --job-queue GPGPU --state DISABLED
```
输出：  

```
{
    "jobQueueArn": "arn:aws:batch:us-east-1:012345678910:job-queue/GPGPU",
    "jobQueueName": "GPGPU"
}
```
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[UpdateJobQueue](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/batch/update-job-queue.html)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/batch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
    /**
     * Disables the specified job queue asynchronously.
     *
     * @param jobQueueArn the Amazon Resource Name (ARN) of the job queue to be disabled
     * @return a {@link CompletableFuture} that completes when the job queue update operation is complete,
     *         or completes exceptionally if an error occurs during the operation
     */
    public CompletableFuture<Void> disableJobQueueAsync(String jobQueueArn) {
        UpdateJobQueueRequest updateRequest = UpdateJobQueueRequest.builder()
            .jobQueue(jobQueueArn)
            .state(JQState.DISABLED)
            .build();

        CompletableFuture<UpdateJobQueueResponse> responseFuture = getAsyncClient().updateJobQueue(updateRequest);
        return responseFuture.whenComplete((updateResponse, ex) -> {
            if (ex != null) {
                throw new RuntimeException("Failed to update job queue: " + ex.getMessage(), ex);
            }
        }).thenApply(updateResponse -> null);
    }
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[UpdateJobQueue](https://docs.aws.amazon.com/goto/SdkForJavaV2/batch-2016-08-10/UpdateJobQueue)*中的。

------

# AWS Batch 使用场景 AWS SDKs
<a name="batch_code_examples_scenarios"></a>

以下代码示例向您展示了如何在中 AWS Batch 实现常见场景 AWS SDKs。这些场景向您展示了如何通过在其中调用多个函数 AWS Batch 或与其他函数组合来完成特定任务 AWS 服务。每个场景都包含完整源代码的链接，您可以在其中找到有关如何设置和运行代码的说明。

场景以中等水平的经验为目标，可帮助您结合具体环境了解服务操作。

**Topics**
+ [Batch 和 Fargate 入门](batch_example_fargate_GettingStarted_section.md)

# 使用 Fargate 的 Batch 和 Fargate 入门
<a name="batch_example_fargate_GettingStarted_section"></a>

以下代码示例展示了如何：
+ 为 ECS 任务创建 IAM 执行角色
+ 创建托管式 Fargate 计算环境
+ 创建具有优先级设置的作业队列
+ 为容器化工作负载注册作业定义
+ 提交并监控批量作业执行
+ 在 CloudWatch 日志中查看任务输出
+ 按正确的依赖项顺序清理资源

------
#### [ Bash ]

**AWS CLI 使用 Bash 脚本**  
 还有更多相关信息 GitHub。在 [Sample developer tutorials](https://github.com/aws-samples/sample-developer-tutorials/tree/main/tuts/011-getting-started-batch-fargate) 存储库中查找完整示例，了解如何进行设置和运行。

```
#!/bin/bash

# AWS Batch Fargate Getting Started Script - Fixed Version
# This script demonstrates creating AWS Batch resources with Fargate orchestration
#
# HIGH SEVERITY FIXES APPLIED:
# 1. Added IAM role propagation delay after role creation
# 2. Added resource state validation before deletion attempts

set -e  # Exit on any error

# Configuration
SCRIPT_NAME="batch-fargate-tutorial"
LOG_FILE="${SCRIPT_NAME}-$(date +%Y%m%d-%H%M%S).log"
RANDOM_SUFFIX=$(openssl rand -hex 6)
COMPUTE_ENV_NAME="batch-fargate-compute-${RANDOM_SUFFIX}"
JOB_QUEUE_NAME="batch-fargate-queue-${RANDOM_SUFFIX}"
JOB_DEF_NAME="batch-fargate-jobdef-${RANDOM_SUFFIX}"
JOB_NAME="batch-hello-world-${RANDOM_SUFFIX}"
ROLE_NAME="BatchEcsTaskExecutionRole-${RANDOM_SUFFIX}"
TRUST_POLICY_FILE="batch-trust-policy-${RANDOM_SUFFIX}.json"

# Array to track created resources for cleanup
CREATED_RESOURCES=()

# Logging function
log() {
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
}

# Error handling function
handle_error() {
    log "ERROR: Script failed at line $1"
    log "Attempting to clean up resources created so far..."
    cleanup_resources
    exit 1
}

# Set up error handling
trap 'handle_error $LINENO' ERR

# Function to wait for resource to be ready
wait_for_compute_env() {
    local env_name=$1
    log "Waiting for compute environment $env_name to be VALID..."
    
    while true; do
        local status=$(aws batch describe-compute-environments \
            --compute-environments "$env_name" \
            --query 'computeEnvironments[0].status' \
            --output text 2>/dev/null || echo "NOT_FOUND")
        
        if [ "$status" = "VALID" ]; then
            log "Compute environment $env_name is ready"
            break
        elif [ "$status" = "INVALID" ] || [ "$status" = "NOT_FOUND" ]; then
            log "ERROR: Compute environment $env_name failed to create properly"
            return 1
        fi
        
        log "Compute environment status: $status. Waiting 10 seconds..."
        sleep 10
    done
}

# Function to wait for job queue to be ready
wait_for_job_queue() {
    local queue_name=$1
    log "Waiting for job queue $queue_name to be VALID..."
    
    while true; do
        local state=$(aws batch describe-job-queues \
            --job-queues "$queue_name" \
            --query 'jobQueues[0].state' \
            --output text 2>/dev/null || echo "NOT_FOUND")
        
        if [ "$state" = "ENABLED" ]; then
            log "Job queue $queue_name is ready"
            break
        elif [ "$state" = "DISABLED" ] || [ "$state" = "NOT_FOUND" ]; then
            log "ERROR: Job queue $queue_name failed to create properly"
            return 1
        fi
        
        log "Job queue state: $state. Waiting 10 seconds..."
        sleep 10
    done
}

# Function to wait for job completion
wait_for_job() {
    local job_id=$1
    log "Waiting for job $job_id to complete..."
    
    while true; do
        local status=$(aws batch describe-jobs \
            --jobs "$job_id" \
            --query 'jobs[0].status' \
            --output text 2>/dev/null || echo "NOT_FOUND")
        
        if [ "$status" = "SUCCEEDED" ]; then
            log "Job $job_id completed successfully"
            break
        elif [ "$status" = "FAILED" ]; then
            log "ERROR: Job $job_id failed"
            return 1
        fi
        
        log "Job status: $status. Waiting 30 seconds..."
        sleep 30
    done
}

# FIXED: Added function to wait for resource state before deletion
wait_for_resource_state() {
    local resource_type=$1
    local resource_name=$2
    local expected_state=$3
    local max_attempts=30
    local attempt=0
    
    log "Waiting for $resource_type $resource_name to reach state: $expected_state"
    
    while [ $attempt -lt $max_attempts ]; do
        local current_state=""
        
        case $resource_type in
            "JOB_QUEUE")
                current_state=$(aws batch describe-job-queues \
                    --job-queues "$resource_name" \
                    --query 'jobQueues[0].state' \
                    --output text 2>/dev/null || echo "NOT_FOUND")
                ;;
            "COMPUTE_ENV")
                current_state=$(aws batch describe-compute-environments \
                    --compute-environments "$resource_name" \
                    --query 'computeEnvironments[0].status' \
                    --output text 2>/dev/null || echo "NOT_FOUND")
                ;;
        esac
        
        if [ "$current_state" = "$expected_state" ]; then
            log "$resource_type $resource_name is now in state: $expected_state"
            return 0
        fi
        
        log "$resource_type $resource_name state: $current_state (waiting for $expected_state)"
        sleep 10
        ((attempt++))
    done
    
    log "WARNING: $resource_type $resource_name did not reach expected state after $max_attempts attempts"
    return 1
}

# Cleanup function
cleanup_resources() {
    log "Starting cleanup of created resources..."
    
    # Clean up in reverse order of creation
    for ((i=${#CREATED_RESOURCES[@]}-1; i>=0; i--)); do
        local resource="${CREATED_RESOURCES[i]}"
        local resource_type=$(echo "$resource" | cut -d: -f1)
        local resource_name=$(echo "$resource" | cut -d: -f2)
        
        log "Cleaning up $resource_type: $resource_name"
        
        case $resource_type in
            "JOB_QUEUE")
                # FIXED: Validate state before deletion
                aws batch update-job-queue --job-queue "$resource_name" --state DISABLED 2>/dev/null || true
                wait_for_resource_state "JOB_QUEUE" "$resource_name" "DISABLED" || true
                aws batch delete-job-queue --job-queue "$resource_name" 2>/dev/null || true
                ;;
            "COMPUTE_ENV")
                # FIXED: Validate state before deletion
                aws batch update-compute-environment --compute-environment "$resource_name" --state DISABLED 2>/dev/null || true
                wait_for_resource_state "COMPUTE_ENV" "$resource_name" "DISABLED" || true
                aws batch delete-compute-environment --compute-environment "$resource_name" 2>/dev/null || true
                ;;
            "IAM_ROLE")
                aws iam detach-role-policy --role-name "$resource_name" --policy-arn "arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy" 2>/dev/null || true
                aws iam delete-role --role-name "$resource_name" 2>/dev/null || true
                ;;
            "FILE")
                rm -f "$resource_name" 2>/dev/null || true
                ;;
        esac
    done
    
    log "Cleanup completed"
}

# Main script execution
main() {
    log "Starting AWS Batch Fargate tutorial script - Fixed Version"
    log "Log file: $LOG_FILE"
    
    # Get AWS account ID
    log "Getting AWS account ID..."
    ACCOUNT_ID=$(aws sts get-caller-identity --query Account --output text)
    log "Account ID: $ACCOUNT_ID"
    
    # Get default VPC and subnets
    log "Getting default VPC and subnets..."
    DEFAULT_VPC=$(aws ec2 describe-vpcs \
        --filters "Name=is-default,Values=true" \
        --query 'Vpcs[0].VpcId' \
        --output text)
    
    if [ "$DEFAULT_VPC" = "None" ] || [ "$DEFAULT_VPC" = "null" ]; then
        log "ERROR: No default VPC found. Please create a VPC first."
        exit 1
    fi
    
    log "Default VPC: $DEFAULT_VPC"
    
    # Get subnets in the default VPC
    SUBNETS=$(aws ec2 describe-subnets \
        --filters "Name=vpc-id,Values=$DEFAULT_VPC" \
        --query 'Subnets[*].SubnetId' \
        --output text)
    
    if [ -z "$SUBNETS" ]; then
        log "ERROR: No subnets found in default VPC"
        exit 1
    fi
    
    # Convert tab/space-separated subnets to JSON array format
    SUBNET_ARRAY=$(echo "$SUBNETS" | tr '\t ' '\n' | sed 's/^/"/;s/$/"/' | paste -sd ',' -)
    log "Subnets: $SUBNETS"
    log "Subnet array: [$SUBNET_ARRAY]"
    
    # Get default security group for the VPC
    DEFAULT_SG=$(aws ec2 describe-security-groups \
        --filters "Name=vpc-id,Values=$DEFAULT_VPC" "Name=group-name,Values=default" \
        --query 'SecurityGroups[0].GroupId' \
        --output text)
    
    if [ "$DEFAULT_SG" = "None" ] || [ "$DEFAULT_SG" = "null" ]; then
        log "ERROR: No default security group found in VPC"
        exit 1
    fi
    
    log "Default security group: $DEFAULT_SG"
    
    # Step 1: Create IAM execution role
    log "Step 1: Creating IAM execution role..."
    
    # Create trust policy document
    cat > "$TRUST_POLICY_FILE" << EOF
{
  "Version":"2012-10-17",		 	 	 
  "Statement": [
    {
      "Effect": "Allow",
      "Principal": {
        "Service": "ecs-tasks.amazonaws.com"
      },
      "Action": "sts:AssumeRole"
    }
  ]
}
EOF
    CREATED_RESOURCES+=("FILE:$TRUST_POLICY_FILE")
    
    # Create the role
    aws iam create-role \
        --role-name "$ROLE_NAME" \
        --assume-role-policy-document "file://$TRUST_POLICY_FILE"
    CREATED_RESOURCES+=("IAM_ROLE:$ROLE_NAME")
    
    # Attach policy
    aws iam attach-role-policy \
        --role-name "$ROLE_NAME" \
        --policy-arn "arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy"
    
    log "IAM role created: $ROLE_NAME"
    
    # FIXED: Wait for IAM role propagation
    log "Waiting for IAM role propagation (15 seconds)..."
    sleep 15
    
    # Step 2: Create compute environment
    log "Step 2: Creating Fargate compute environment..."
    
    aws batch create-compute-environment \
        --compute-environment-name "$COMPUTE_ENV_NAME" \
        --type MANAGED \
        --state ENABLED \
        --compute-resources "{
            \"type\": \"FARGATE\",
            \"maxvCpus\": 256,
            \"subnets\": [$SUBNET_ARRAY],
            \"securityGroupIds\": [\"$DEFAULT_SG\"]
        }"
    CREATED_RESOURCES+=("COMPUTE_ENV:$COMPUTE_ENV_NAME")
    
    # Wait for compute environment to be ready
    wait_for_compute_env "$COMPUTE_ENV_NAME"
    
    # Step 3: Create job queue
    log "Step 3: Creating job queue..."
    
    aws batch create-job-queue \
        --job-queue-name "$JOB_QUEUE_NAME" \
        --state ENABLED \
        --priority 900 \
        --compute-environment-order order=1,computeEnvironment="$COMPUTE_ENV_NAME"
    CREATED_RESOURCES+=("JOB_QUEUE:$JOB_QUEUE_NAME")
    
    # Wait for job queue to be ready
    wait_for_job_queue "$JOB_QUEUE_NAME"
    
    # Step 4: Create job definition
    log "Step 4: Creating job definition..."
    
    aws batch register-job-definition \
        --job-definition-name "$JOB_DEF_NAME" \
        --type container \
        --platform-capabilities FARGATE \
        --container-properties "{
            \"image\": \"busybox\",
            \"resourceRequirements\": [
                {\"type\": \"VCPU\", \"value\": \"0.25\"},
                {\"type\": \"MEMORY\", \"value\": \"512\"}
            ],
            \"command\": [\"echo\", \"hello world\"],
            \"networkConfiguration\": {
                \"assignPublicIp\": \"ENABLED\"
            },
            \"executionRoleArn\": \"arn:aws:iam::${ACCOUNT_ID}:role/${ROLE_NAME}\"
        }"
    
    log "Job definition created: $JOB_DEF_NAME"
    
    # Step 5: Submit job
    log "Step 5: Submitting job..."
    
    JOB_ID=$(aws batch submit-job \
        --job-name "$JOB_NAME" \
        --job-queue "$JOB_QUEUE_NAME" \
        --job-definition "$JOB_DEF_NAME" \
        --query 'jobId' \
        --output text)
    
    log "Job submitted with ID: $JOB_ID"
    
    # Step 6: Wait for job completion and view output
    log "Step 6: Waiting for job completion..."
    wait_for_job "$JOB_ID"
    
    # Get log stream name
    log "Getting job logs..."
    LOG_STREAM=$(aws batch describe-jobs \
        --jobs "$JOB_ID" \
        --query 'jobs[0].attempts[0].taskProperties.containers[0].logStreamName' \
        --output text)
    
    if [ "$LOG_STREAM" != "None" ] && [ "$LOG_STREAM" != "null" ]; then
        log "Log stream: $LOG_STREAM"
        log "Job output:"
        aws logs get-log-events \
            --log-group-name "/aws/batch/job" \
            --log-stream-name "$LOG_STREAM" \
            --query 'events[*].message' \
            --output text | tee -a "$LOG_FILE"
    else
        log "No log stream available for job"
    fi
    
    log "Tutorial completed successfully!"
    
    # Show created resources
    echo ""
    echo "==========================================="
    echo "CREATED RESOURCES"
    echo "==========================================="
    echo "The following resources were created:"
    for resource in "${CREATED_RESOURCES[@]}"; do
        echo "  - $resource"
    done
    echo ""
    echo "==========================================="
    echo "CLEANUP CONFIRMATION"
    echo "==========================================="
    echo "Do you want to clean up all created resources? (y/n): "
    read -r CLEANUP_CHOICE
    
    if [[ "$CLEANUP_CHOICE" =~ ^[Yy]$ ]]; then
        cleanup_resources
        log "All resources have been cleaned up"
    else
        log "Resources left intact. You can clean them up manually later."
        echo "To clean up manually, run the following commands:"
        echo "aws batch update-job-queue --job-queue $JOB_QUEUE_NAME --state DISABLED"
        echo "aws batch delete-job-queue --job-queue $JOB_QUEUE_NAME"
        echo "aws batch update-compute-environment --compute-environment $COMPUTE_ENV_NAME --state DISABLED"
        echo "aws batch delete-compute-environment --compute-environment $COMPUTE_ENV_NAME"
        echo "aws iam detach-role-policy --role-name $ROLE_NAME --policy-arn arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy"
        echo "aws iam delete-role --role-name $ROLE_NAME"
    fi
}

# Run main function
main "$@"
```
+ 有关 API 详细信息，请参阅《AWS CLI 命令参考》**中的以下主题。
  + [CreateComputeEnvironment](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/CreateComputeEnvironment)
  + [CreateJobQueue](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/CreateJobQueue)
  + [DeleteComputeEnvironment](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/DeleteComputeEnvironment)
  + [DeleteJobQueue](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/DeleteJobQueue)
  + [DescribeComputeEnvironments](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/DescribeComputeEnvironments)
  + [DescribeJobQueues](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/DescribeJobQueues)
  + [DescribeJobs](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/DescribeJobs)
  + [RegisterJobDefinition](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/RegisterJobDefinition)
  + [SubmitJob](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/SubmitJob)
  + [UpdateComputeEnvironment](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/UpdateComputeEnvironment)
  + [UpdateJobQueue](https://docs.aws.amazon.com/goto/aws-cli/batch-2016-08-10/UpdateJobQueue)

------