本教程详细介绍如何使用Alibaba Cloud SDK for Java查询创建ECS所需要的资源信息，包括可用区ID、实例规格、可用镜像资源、专有网络VPC、交换机和安全组等。
前提条件
在使用本教程之前，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-ecs--> <dependency> <groupId>com.aliyun</groupId> <artifactId>aliyun-java-sdk-ecs</artifactId> <version>4.17.4</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.ecs.model.v20140526.*;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.profile.DefaultProfile;
import com.google.gson.Gson;
import java.util.List;
/**
* 查询创建ECS所需其他资源信息
*
* DescribeZones 查询一个阿里云地域下的可用区
* DescribeInstanceTypes 查询云服务器ECS提供的实例规格资源
* DescribeImages 查询可以使用的镜像资源
* DescribeVpcs 查询已创建的VPC
* DescribeVSwitches 查询已创建的交换机
* DescribeSecurityGroups 查询创建的安全组的基本信息
*/
public class DescribeInstanceRequredResource {
public static void main(String[] args) {
IAcsClient client = Initialization();
// 查询一个阿里云地域下的可用区
List<DescribeZonesResponse.Zone> zones = DescribeZones(client);
// 查询云服务器ECS提供的实例规格资源
List<DescribeInstanceTypesResponse.InstanceType> instanceTypeList = DescribeInstanceTypes(client);
// 查询可以使用的镜像资源
List<DescribeImagesResponse.Image> images = DescribeImages(client);
// 查询已创建的VPC
List<DescribeVpcsResponse.Vpc> vpcs = DescribeVpcs(client);
// 查询已创建的交换机
List<DescribeVSwitchesResponse.VSwitch> vSwitches = DescribeVSwitches(client);
// 查询创建的安全组的基本信息
List<DescribeSecurityGroupsResponse.SecurityGroup> securityGroups = DescribeSecurityGroups(client);
}
/**
* DescribeSecurityGroups 查询创建的安全组的基本信息
*/
private static List<DescribeSecurityGroupsResponse.SecurityGroup> DescribeSecurityGroups(IAcsClient client) {
DescribeSecurityGroupsRequest request = new DescribeSecurityGroupsRequest();
// 网络类型
request.setNetworkType("vpc");
try {
DescribeSecurityGroupsResponse response = client.getAcsResponse(request);
System.out.println("--------------------查询已创建的安全组基本信息--------------------");
System.out.println(new Gson().toJson(response));
return response.getSecurityGroups();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
return null;
}
}
/**
* DescribeVSwitches 查询已创建的交换机
*/
private static List<DescribeVSwitchesResponse.VSwitch> DescribeVSwitches(IAcsClient client) {
DescribeVSwitchesRequest request = new DescribeVSwitchesRequest();
//
request.setIsDefault(false);
try {
DescribeVSwitchesResponse response = client.getAcsResponse(request);
System.out.println("--------------------查询已创建的交换机--------------------");
System.out.println(new Gson().toJson(response));
return response.getVSwitches();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
return null;
}
}
/**
* DescribeVpcs 查询已创建的VPC
*/
private static List<DescribeVpcsResponse.Vpc> DescribeVpcs(IAcsClient client) {
DescribeVpcsRequest request = new DescribeVpcsRequest();
// 是否查询指定地域下的默认VPC，取值：
// true（默认值）：查询指定地域下的所有VPC。
// false：不查询默认VPC。
request.setIsDefault(false);
try {
DescribeVpcsResponse response = client.getAcsResponse(request);
System.out.println("--------------------查询已创建的VPC--------------------");
System.out.println(new Gson().toJson(response));
return response.getVpcs();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
return null;
}
}
/**
* DescribeImages 查询可以使用的镜像资源
*/
private static List<DescribeImagesResponse.Image> DescribeImages(IAcsClient client) {
DescribeImagesRequest request = new DescribeImagesRequest();
// 镜像的体系架构。取值范围：
// i386
// x86_64
request.setArchitecture("x86_64");
// 镜像来源。取值范围：
// system：阿里云提供的公共镜像。
// self：您创建的自定义镜像。
// others：其他阿里云用户共享给您的镜像。
// marketplace：镜像市场提供的镜像。您查询到的云市场镜像可以直接使用，无需提前订阅。您需要自行留意云市场镜像的收费详情
// 默认值：空，空表示返回取值为system、self以及others的结果。
request.setImageOwnerAlias("system");
// 镜像需要被使用到的场景。取值范围：
// CreateEcs（默认）：创建实例
// ChangeOS：更换系统盘/更换操作系统
request.setActionType("CreateEcs");
// 镜像的操作系统类型。取值范围：
// windows
// linux
request.setOSType("linux");
try {
DescribeImagesResponse response = client.getAcsResponse(request);
System.out.println("--------------------查询可以使用的镜像资源--------------------");
System.out.println(new Gson().toJson(response));
return response.getImages();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
return null;
}
}
/**
* DescribeInstanceTypes 查询云服务器ECS提供的实例规格资源
*/
private static List<DescribeInstanceTypesResponse.InstanceType> DescribeInstanceTypes(IAcsClient client) {
DescribeInstanceTypesRequest request = new DescribeInstanceTypesRequest();
// 实例规格所属的规格族。此参数可选，不填写时返回所有实例规格
// request.setInstanceTypeFamily("ecs.t1");
try {
DescribeInstanceTypesResponse response = client.getAcsResponse(request);
System.out.println("--------------------查询ECS提供的实例规格资源--------------------");
System.out.println(new Gson().toJson(response));
return response.getInstanceTypes();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
return null;
}
}
/**
* DescribeZones 查询一个阿里云地域下的可用区
*/
private static List<DescribeZonesResponse.Zone> DescribeZones(IAcsClient client) {
DescribeZonesRequest request = new DescribeZonesRequest();
// 可用区所在的地域ID。您可以调用DescribeRegions查看最新的阿里云地域列表
request.setRegionId("cn-shanghai");
// 根据汉语、英语和日语筛选返回结果。更多详情，请参见RFC7231
// 取值范围：
// zh-CN
// en-US
// ja
// 默认值：zh-CN。
request.setAcceptLanguage("zh-CN");
try {
DescribeZonesResponse response = client.getAcsResponse(request);
System.out.println("--------------------查询地域下的可用区--------------------");
System.out.println(new Gson().toJson(response));
return response.getZones();
} catch (ClientException e) {
System.out.println("ErrCode:" + e.getErrCode());
System.out.println("ErrMsg:" + e.getErrMsg());
System.out.println("RequestId:" + e.getRequestId());
}
return null;
}
/**
* Initialization 初始化公共请求参数
*/
private static IAcsClient Initialization() {
// 初始化请求参数
DefaultProfile profile = DefaultProfile.getProfile(
"<your-region-id>", // 您的可用区ID
"<your-access-key-id>", // 您的AccessKey ID
"<your-access-key-secret>"); // 您的AccessKey Secret
return new DefaultAcsClient(profile);
}
}
执行结果
正确的返回结果类似如下：
--------------------查询地域下的可用区--------------------
{
"requestId": "E29890A7-A9AF-462A-80FC-01818A2BADD0",
"zones": [
{
"zoneId": "cn-shanghai-g",
"localName": "华东 2 可用区 G",
"availableResources": [],
"availableResourceCreation": [],
"availableDiskCategories": [],
"availableInstanceTypes": [],
"availableVolumeCategories": [],
"availableDedicatedHostTypes": [],
"dedicatedHostGenerations": []
},
{
"zoneId": "cn-shanghai-f",
"localName": "华东 2 可用区 F",
"availableResources": [],
"availableResourceCreation": [],
"availableDiskCategories": [],
"availableInstanceTypes": [],
"availableVolumeCategories": [],
"availableDedicatedHostTypes": [],
"dedicatedHostGenerations": []
},
{
"zoneId": "cn-shanghai-e",
"localName": "华东 2 可用区 E",
"availableResources": [],
"availableResourceCreation": [],
"availableDiskCategories": [],
"availableInstanceTypes": [],
"availableVolumeCategories": [],
"availableDedicatedHostTypes": [],
"dedicatedHostGenerations": []
},
{
"zoneId": "cn-shanghai-d",
"localName": "华东 2 可用区 D",
"availableResources": [],
"availableResourceCreation": [],
"availableDiskCategories": [],
"availableInstanceTypes": [],
"availableVolumeCategories": [],
"availableDedicatedHostTypes": [ ],
"dedicatedHostGenerations": [ ]
},
{
"zoneId": "cn-shanghai-c",
"localName": "华东 2 可用区 C",
"availableResources": [],
"availableResourceCreation": [],
"availableDiskCategories": [],
"availableInstanceTypes": [],
"availableVolumeCategories": [],
"availableDedicatedHostTypes": [ ],
"dedicatedHostGenerations": [ ]
},
{
"zoneId": "cn-shanghai-b",
"localName": "华东 2 可用区 B",
"availableResources": [],
"availableResourceCreation": [],
"availableDiskCategories": [],
"availableInstanceTypes": [],
"availableVolumeCategories": [],
"availableDedicatedHostTypes": [ ],
"dedicatedHostGenerations": [ ]
},
{
"zoneId": "cn-shanghai-a",
"localName": "华东 2 可用区 A",
"availableResources": [],
"availableResourceCreation": [],
"availableDiskCategories": [],
"availableInstanceTypes": [],
"availableVolumeCategories": [],
"availableDedicatedHostTypes": [ ],
"dedicatedHostGenerations": [ ]
}
]
}
--------------------查询ECS提供的实例规格资源--------------------
{
"requestId": "AC5DEE66-446C-40BB-878F-DFBC8B05A657",
"instanceTypes": [
{
"instanceTypeId": "ecs.t1.xsmall",
"cpuCoreCount": 1,
"memorySize": 0.5,
"instanceTypeFamily": "ecs.t1",
"localStorageCategory": "",
"gPUAmount": 0,
"gPUSpec": "",
"eniQuantity": 1,
"eniPrivateIpAddressQuantity": 1,
"instanceFamilyLevel": "EntryLevel"
},
{...},
{...},
{...}
]
}
--------------------查询可以使用的镜像资源--------------------
{
"requestId": "1B8E9703-E3A0-472D-B02F-A65CF4AD9D82",
"regionId": "cn-hangzhou",
"totalCount": 25,
"pageNumber": 1,
"pageSize": 10,
"images": [
{
"progress": "100%",
"imageId": "ubuntu_18_04_64_20G_alibase_20190624.vhd",
"imageName": "ubuntu_18_04_64_20G_alibase_20190624.vhd",
"imageVersion": "",
"description": "",
"size": 20,
"imageOwnerAlias": "system",
"isSupportIoOptimized": true,
"isSupportCloudinit": true,
"oSName": "Ubuntu 18.04 64位",
"oSNameEn": "Ubuntu 18.04 64 bit",
"architecture": "x86_64",
"status": "Available",
"productCode": "",
"isSubscribed": false,
"creationTime": "2019-06-25T06:36:00Z",
"isSelfShared": "",
"oSType": "linux",
"platform": "Ubuntu",
"usage": "instance",
"isCopied": false,
"resourceGroupId": "",
"diskDeviceMappings": [ ],
"tags": [ ]
},
{
"progress": "100%",
"imageId": "ubuntu_16_04_64_20G_alibase_20190620.vhd",
"imageName": "ubuntu_16_04_64_20G_alibase_20190620.vhd",
"imageVersion": "",
"description": "",
"size": 20,
"imageOwnerAlias": "system",
"isSupportIoOptimized": true,
"isSupportCloudinit": true,
"oSName": "Ubuntu 16.04 64位",
"oSNameEn": "Ubuntu 16.04 64 bit",
"architecture": "x86_64",
"status": "Available",
"productCode": "",
"isSubscribed": false,
"creationTime": "2019-06-24T07:14:01Z",
"isSelfShared": "",
"oSType": "linux",
"platform": "Ubuntu",
"usage": "instance",
"isCopied": false,
"resourceGroupId": "",
"diskDeviceMappings": [ ],
"tags": [ ]
}
]
}
--------------------查询已创建的VPC--------------------
{
"requestId": "5F9210ED-7703-4783-BE3A-93EBEE474868",
"totalCount": 20,
"pageNumber": 1,
"pageSize": 10,
"vpcs": [
{
"vpcId": "vpc-bp1t3******",
"regionId": "cn-hangzhou",
"status": "Available",
"vpcName": "lalalala",
"creationTime": "2019-08-14T07:52:28Z",
"cidrBlock": "172.16.0.0/12",
"vRouterId": "vrt-bp1k*****",
"description": "",
"isDefault": false,
"vSwitchIds": [],
"userCidrs": [ ]
},
{
"vpcId": "vpc-bp1m7*****",
"regionId": "cn-hangzhou",
"status": "Available",
"vpcName": "hello",
"creationTime": "2019-04-08T00:05:29Z",
"cidrBlock": "192.168.0.0/16",
"vRouterId": "vrt-bp1fw******",
"description": "",
"isDefault": false,
"vSwitchIds": [],
"userCidrs": [ ]
}
]
}
--------------------查询已创建的交换机--------------------
{
"requestId": "921AFB24-073D-4CCF-A79E-90935873CACE",
"totalCount": 29,
"pageNumber": 1,
"pageSize": 10,
"vSwitches": [
{
"vSwitchId": "vsw-bp1ug*****",
"vpcId": "vpc-bp1t3*****",
"status": "Available",
"cidrBlock": "172.16.0.0/24",
"zoneId": "cn-hangzhou-b",
"availableIpAddressCount": 251,
"description": "",
"vSwitchName": "lalalala",
"creationTime": "2019-08-14T07:52:31Z",
"isDefault": false,
"resourceGroupId": "rg-acfmxaz*****"
},
{
"vSwitchId": "vsw-bp11*****",
"vpcId": "vpc-bp1m7v2*****",
"status": "Available",
"cidrBlock": "192.168.100.0/29",
"zoneId": "cn-hangzhou-b",
"availableIpAddressCount": 3,
"description": "",
"vSwitchName": "lalalala",
"creationTime": "2019-08-14T07:48:19Z",
"isDefault": false,
"resourceGroupId": "rg-acfm*****"
}
]
}
--------------------查询已创建的安全组基本信息--------------------
{
"requestId": "307D5B66-BCC7-4E33-91C1-5B669A49A9A3",
"regionId": "cn-hangzhou",
"totalCount": 47,
"pageNumber": 1,
"pageSize": 10,
"securityGroups": [
{
"securityGroupId": "sg-bp1asugr34gznjaz2x4z",
"description": "Created and used by E-HPC cluster ehpc-hz-FYUr32H5yi",
"securityGroupName": "sg1",
"vpcId": "vpc-bp1gnu8br4ay7beb2wxl8",
"creationTime": "2019-09-18T13:24:10Z",
"securityGroupType": "normal",
"resourceGroupId": "",
"tags": [ ]
},
{
"securityGroupId": "sg-bp11rndau05v8b0nkx5k",
"description": "",
"securityGroupName": "",
"vpcId": "vpc-bp1t36rn9l53iwbsf8x2q",
"creationTime": "2019-09-05T06:25:05Z",
"securityGroupType": "normal",
"resourceGroupId": "",
"tags": [ ]
}
]
}
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