本教程详细介绍如何使用Alibaba Cloud SDK for Java创建和删除SLB实例。
前提条件
在使用本教程前,请确保已完成以下操作:
- 使用Alibaba Cloud SDK for Java,您需要一个阿里云账号和访问密钥(AccessKey)。 请在阿里云控制台中的AccessKey管理页面上创建和查看您的AccessKey。
- 确保您已经安装了Alibaba Cloud SDK for Java,准确的SDK版本号,请参见阿里云开发工具包(SDK)。
<dependencies> <!-- https://mvnrepository.com/artifact/com.aliyun/aliyun-java-sdk-core --> <dependency> <groupId>com.aliyun</groupId> <artifactId>aliyun-java-sdk-core</artifactId> <version>4.4.3</version> </dependency> <!-- https://mvnrepository.com/artifact/com.aliyun/aliyun-java-sdk-slb --> <dependency> <groupId>com.aliyun</groupId> <artifactId>aliyun-java-sdk-slb</artifactId> <version>3.2.13</version> </dependency> </dependencies>
代码示例
本文操作示例主要以代码形式体现,具体代码如下:
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.profile.DefaultProfile;
import com.aliyuncs.slb.model.v20140515.CreateLoadBalancerRequest;
import com.aliyuncs.slb.model.v20140515.CreateLoadBalancerResponse;
import com.aliyuncs.slb.model.v20140515.DeleteLoadBalancerRequest;
import com.aliyuncs.slb.model.v20140515.DeleteLoadBalancerResponse;
import com.google.gson.Gson;
/**
* 使用Java SDK创建和删除负载均衡实例使用示例
*/
public class CreateAndDeleteSlbDemo {
/**
* 创建负载均衡实例
*
* @param "CreateLoadBalancerRequest"
* @param "IAcsClient"
* @return "CreateLoadBalancerResponse"
*/
private CreateLoadBalancerResponse createLoadBalancer(CreateLoadBalancerRequest request, IAcsClient client) {
// 初始化返回对象
CreateLoadBalancerResponse response = null;
try {
// 调用SDK发送请求
response = client.getAcsResponse(request);
} catch (ClientException e) {
e.printStackTrace();
// 发生调用错误,抛出运行时异常
throw new RuntimeException();
}
return response;
}
/**
* 删除负载均衡实例
*
* @param "DeleteLoadBalancerRequest"
* @param "IAcsClient"
* @return "DeleteLoadBalancerResponse"
*/
private DeleteLoadBalancerResponse deleteLoadBalancer(DeleteLoadBalancerRequest request, IAcsClient client) {
// 初始化返回对象
DeleteLoadBalancerResponse response = null;
try {
// 调用SDK发送请求
response = client.getAcsResponse(request);
} catch (ClientException e) {
e.printStackTrace();
// 发生调用错误,抛出运行时异常
throw new RuntimeException();
}
return response;
}
public static void main(String[] args) {
// 设置鉴权参数,初始化客户端
DefaultProfile profile = DefaultProfile.getProfile(
"cn-zhangjiakou",// 地域ID
"your-access-key-id",// 您的AccessKey ID
"your-access-key-secret");// 您的AccessKey Secret
IAcsClient client = new DefaultAcsClient(profile);
CreateAndDeleteSlbDemo createAndDeleteSlbDemo = new CreateAndDeleteSlbDemo();
// 初始化创建SLB实例方法入参对象
CreateLoadBalancerRequest createLoadBalancerRequest = new CreateLoadBalancerRequest();
// 设置新建SLB实例的主可用区为cn-zhangjiakou-a
createLoadBalancerRequest.setMasterZoneId("cn-zhangjiakou-a");
// 设置新建SLB实例的备可用区为cn-zhangjiakou-b
createLoadBalancerRequest.setSlaveZoneId("cn-zhangjiakou-b");
// 设置新建SLB实例的名称为SLB1
createLoadBalancerRequest.setLoadBalancerName("SLB1");
// 设置新建SLB实例的计费类型为按量计费
createLoadBalancerRequest.setPayType("PayOnDemand");
// 设置新建SLB实例的规格为slb.s1.small
createLoadBalancerRequest.setLoadBalancerSpec("slb.s1.small");
// 设置监听的带宽峰值
createLoadBalancerRequest.setBandwidth(1);
// 调用创建SLB实例方法,获取新实例参数
CreateLoadBalancerResponse createLoadBalancerResponse = createAndDeleteSlbDemo.createLoadBalancer(createLoadBalancerRequest, client);
System.out.println("-------------------------------createLoadBalancer-------------------------------");
System.out.println(new Gson().toJson(createLoadBalancerResponse));
// 初始化删除SLB实例方法入参对象
DeleteLoadBalancerRequest deleteLoadBalancerRequest = new DeleteLoadBalancerRequest();
// 设置要删除的SLB实例ID,此处使用刚才创建的实例ID
deleteLoadBalancerRequest.setLoadBalancerId(createLoadBalancerResponse.getLoadBalancerId());
// 调用删除SLB实例方法
DeleteLoadBalancerResponse deleteLoadBalancerResponse = createAndDeleteSlbDemo.deleteLoadBalancer(deleteLoadBalancerRequest, client);
System.out.println("-------------------------------deleteLoadBalancer-------------------------------");
System.out.println(new Gson().toJson(deleteLoadBalancerResponse));
}
}
运行结果
正确的运行结果类似如下:
-------------------------------createLoadBalancer-------------------------------
{
"requestId": "A10A122E-5527-4642-A20B-12D6F8BB1D3D",
"loadBalancerId": "lb-8vbmp1b3xxxxxxxxkp9l0",
"resourceGroupId": "rg-acfxxxxxxxx6aiy",
"address": "39.xx.xx.164",
"loadBalancerName": "SLB1",
"vpcId": "",
"vSwitchId": "",
"networkType": "classic",
"addressIPVersion": "ipv4"
}
-------------------------------deleteLoadBalancer-------------------------------
{
"requestId": "B78D96B9-0685-4CC7-9CF2-00A793ACC1B2"
}
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