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HuaweiCloudDeveloper/huaweicloud-RFS-DeployStackDemo-java

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README
Apache-2.0

资源编排服务中通过资源栈创建和删除VPC资源(java版本)

功能介绍

华为云提供了AOS服务端SDK,您可以直接集成服务端SDK来调用资源编排的相关API,从而实现对资源的快速操作。 该示例展示了如何通过Java语言版本AOS SDK使用资源栈快速创建您的资源。

前置条件

  • 1.参考华为云开发工具包(SDK)引入AOS Java SDK
  • 2.要使用华为云Java SDK,您需要拥有云账号以及该账号对应的Access Key(AK)和 Secret Access Key(SK)。请在华为云控制台“我的凭证-访问密钥”页面上创建和查看您的AK&SK。更多信息请查看访问密钥
    • Aos SDK期望用户主动传入project_id,若未传入project_id,Aos SDK将选择您对应region下默认项目的project_id。更多信息请查看IAM基本概念
  • 3.获取您期望使用的目标终端节点
  • 4.预先准备您的模板文件(HCL语法文本描述文件,支持tf、tf.json、zip包文件格式,用于描述您的云资源)
  • 5.华为云AOS Java SDK 需要运行在Java 1.8及以上版本。

SDK获取和安装

使用maven安装华为云Aos Java SDK:

<dependency>
    <groupId>com.huaweicloud.sdk</groupId>
    <artifactId>huaweicloud-sdk-aos</artifactId>
    <version>3.1.49</version>
</dependency>

示例代码

声明您的Access Key、Secret Key、VPC资源的HCL语法模板以及您的资源栈名称。

    // 认证用的ak和sk硬编码到代码中或者明文存储都有很大的安全风险,建议在配置文件或者环境变量中密文存放,使用时解密,确保安全;
    // 本示例以ak和sk保存在环境变量中来实现身份验证为例,运行本示例前请先在本地环境中设置环境变量HUAWEICLOUD_SDK_AK和HUAWEICLOUD_SDK_SK。
    String ak = System.getenv("HUAWEICLOUD_SDK_AK");
    String sk = System.getenv("HUAWEICLOUD_SDK_SK");
    /*stack以project_id为单位进行管理*/
    String projectId = "<YOUR PROJECT ID>";
    /*HCL语法文本描述文件,支持tf、tf.json文件格式*/
    String templateBody = "<YOUR TEMPLATE>";
    /*stack_name是唯一的,用于标识您的资源栈*/
    String stackName = "<YOUR STACK NAME>";

通过AOS SDK创建一个Client,资源编排服务为region级别服务,将在您选择的region下生成目标资源。

    ICredential auth = new BasicCredentials()
            .withProjectId(projectId)
            .withAk(ak)
            .withSk(sk);

    /*资源栈及其资源将创建在此region下,此处以CN_NORTH_4为例*/
    AosClient client = AosClient.newBuilder()
            .withCredential(auth)
            .withRegion(AosRegion.CN_NORTH_4)
            .build();

您可以使用CreateStack单独创建资源栈。

    public static String createStack(AosClient client, String stackName) {
        CreateStackRequest createStackRequest = new CreateStackRequest();
        createStackRequest.setClientRequestId(UUID.randomUUID().toString());
        CreateStackRequestBody createStackRequestBody = new CreateStackRequestBody();
        createStackRequestBody.setStackName(stackName);
        createStackRequest.setBody(createStackRequestBody);
        CreateStackResponse createStackResponse;
        try {
            createStackResponse = client.createStack(createStackRequest);
            System.out.println("create stack return: " + createStackResponse.toString());
            return createStackResponse.getStackId();
        } catch (ClientRequestException e) {
            System.out.println("create stack failed with exception: " + e);
            throw e;
        }
    }

接下来您可以使用DeployStack部署资源栈,在此步骤你可以传入templateBody或templateUri,这将会触发部署资源栈,生成您HCL模板中的目标资源。若您想要传入多文件类型的模板,请使用templateUri传入zip包。

    public static void deployStack(AosClient client, String stackName, String stackId, String templateBody) {
        DeployStackRequest deployStackRequest = new DeployStackRequest();
        deployStackRequest.setClientRequestId(UUID.randomUUID().toString());
        deployStackRequest.setStackName(stackName);
        DeployStackRequestBody deployStackRequestBody = new DeployStackRequestBody();
        deployStackRequestBody.setTemplateBody(templateBody);
        deployStackRequestBody.setStackId(stackId);
        deployStackRequest.setBody(deployStackRequestBody);
        try {
            DeployStackResponse deployStackResponse = client.deployStack(deployStackRequest);
            System.out.println("deploy stack return: " + deployStackResponse.toString());
        } catch (ClientRequestException e) {
            System.out.println("deploy stack failed with exception: " + e);
            throw e;
        }
    }

DeployStack需要花费一段时间,资源编排将在后台为您异步处理请求,您可以通过GetStackMetadata来获取详细信息

    public static void getStackMetadata(AosClient client, String stackName, String stackId) {
        GetStackMetadataRequest getStackMetadataRequest = new GetStackMetadataRequest();
        getStackMetadataRequest.setClientRequestId(UUID.randomUUID().toString());
        getStackMetadataRequest.setStackName(stackName);
        getStackMetadataRequest.setStackId(stackId);
  
        long startTime = System.currentTimeMillis();
        while (true) {
            long nowTime = System.currentTimeMillis();
            if (nowTime - startTime > timeoutInterval) {
                System.out.println("deploy stack time out and will be exit");
                throw new RuntimeException("deploy stack time out");
            }
            System.out.println("waiting for deploy stack ...");
            try {
                Thread.sleep(5000);
            } catch (InterruptedException e) {
                System.out.println("waiting for deploy stack throw exception: " + Arrays.toString(e.getStackTrace()));
                throw new RuntimeException("waiting for deploy stack throw exception");
            }
            GetStackMetadataResponse getStackMetadataResponse = client.getStackMetadata(getStackMetadataRequest);
  
            if (getStackMetadataResponse.getStatus() != GetStackMetadataResponse.StatusEnum.DEPLOYMENT_IN_PROGRESS) {
                System.out.println("get stack metadata return: " + getStackMetadataResponse);
                break;
            }
            System.out.println("deploy stack in progress...");
        }
  }

您可以通过ListStackResource来获得生成的资源详细信息。

    public static void listStackResource(AosClient client, String stackName, String stackId) {
        ListStackResourcesRequest listStackResourcesRequest = new ListStackResourcesRequest();
        listStackResourcesRequest.setClientRequestId(UUID.randomUUID().toString());
        listStackResourcesRequest.setStackName(stackName);
        listStackResourcesRequest.setStackId(stackId);

        ListStackResourcesResponse listStackResourcesResponse = client.listStackResources(listStackResourcesRequest);
        System.out.println("list stack resources return: " + listStackResourcesResponse.toString());
    }

您可以通过调用DeleteStack来删除资源栈并释放其生成的资源,资源编排将花费一段时间为您处理请求,同样可以使用GetStackMetadata来获取资源栈状态。

    public static void deleteStack(AosClient client, String stackName) {
        DeleteStackRequest deleteStackRequest = new DeleteStackRequest();
        deleteStackRequest.setClientRequestId(UUID.randomUUID().toString());
        deleteStackRequest.setStackName(stackName);
    
        client.deleteStack(deleteStackRequest);
    
        GetStackMetadataRequest getStackMetadataRequest = new GetStackMetadataRequest();
        getStackMetadataRequest.setClientRequestId(UUID.randomUUID().toString());
        getStackMetadataRequest.setStackName(stackName);
    
        long startTime = System.currentTimeMillis();
        while (true) {
            long nowTime = System.currentTimeMillis();
            if (nowTime - startTime > timeoutInterval) {
                System.out.println("delete stack time out and will be exit");
                throw new RuntimeException("delete stack time out");
            }
            System.out.println("waiting for delete stack ...");
            try {
                Thread.sleep(5000);
                client.getStackMetadata(getStackMetadataRequest);
            } catch (ClientRequestException e) {
                if (e.getHttpStatusCode() == 404) {
                    System.out.println("delete complete!!!");
                    return;
                }
                System.out.println("delete stack throw exception: " + e);
                throw e;
            } catch (InterruptedException e) {
                System.out.println("waiting for delete stack throw exception: " + Arrays.toString(e.getStackTrace()));
                throw new RuntimeException("waiting for delete stack throw exception");
            }
        }
}

参考

更多信息请参考API Explorer

修订记录

发布日期 文档版本 修订说明
2023-08-30 1.0 文档首次发布
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简介

提供通过资源栈创建和删除VPC资源的代码示例,说明如何使用资源栈快速部署资源。 展开 收起
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