创建与管理无保护期抢占式实例
本示例介绍如何使用Alibaba Cloud SDK for Java创建与管理无保护期抢占式实例。
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管理页面查看您的访问密钥。
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）。
<project> <modelVersion>4.0.0</modelVersion> <groupId>java.demo</groupId> <artifactId>test</artifactId> <version>1.0-SNAPSHOT</version> <dependencies> <dependency> <groupId>com.aliyun</groupId> <artifactId>aliyun-java-sdk-ecs</artifactId> <version>4.19.12</version> </dependency> <dependency> <groupId>com.aliyun</groupId> <artifactId>aliyun-java-sdk-core</artifactId> <version>4.6.1</version> </dependency> </dependencies> </project>
示例代码
本文操作示例主要以代码形式体现，具体代码如下：
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.SimpleTimeZone;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.ecs.model.v20140526.DescribeInstancesRequest;
import com.aliyuncs.ecs.model.v20140526.DescribeInstancesResponse;
import com.aliyuncs.ecs.model.v20140526.DescribeSpotPriceHistoryRequest;
import com.aliyuncs.ecs.model.v20140526.DescribeSpotPriceHistoryResponse;
import com.aliyuncs.ecs.model.v20140526.DescribeSpotPriceHistoryResponse.SpotPriceType;
import com.aliyuncs.ecs.model.v20140526.RunInstancesRequest;
import com.aliyuncs.ecs.model.v20140526.RunInstancesResponse;
import com.aliyuncs.http.FormatType;
import com.aliyuncs.profile.DefaultProfile;
import org.apache.commons.lang.time.DateUtils;
/**
* 无保护期抢占式实例代码样例
*/
public class NoDurationSpotSample {
public static final String ISO8601_DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss'Z'";
public static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
public static final String GMT = "GMT";
static String regionNo = "cn-beijing";
static String izNo = "cn-beijing-h";
static String instanceType = "ecs.g5.8xlarge";
public static void main(String[] args) {
IAcsClient client = Initialization();
describeSpotPriceHistory(client);
describeSpotCurrentPrice(client);
createSpotInstance(client);
describeSpotInstance(client);
}
/**
* <pre>
* 查看实例是否是无保护期抢占式实例
* 参照 <a href="https://help.aliyun.com/document_detail/25506.html">OpenAPI DescribeInstances</a>
* </pre>
*
* @param client
*/
private static void describeSpotInstance(IAcsClient client) {
try {
List<String> instanceIds = new ArrayList<String>();
instanceIds.add("<your-instance-id>");
DescribeInstancesRequest request = new DescribeInstancesRequest();
request.setRegionId(regionNo);
request.setInstanceIds(JSON.toJSONString(instanceIds));
request.setAcceptFormat(FormatType.JSON);
DescribeInstancesResponse response = client.getAcsResponse(request);
if (null != response.getInstances() && response.getInstances().size() > 0) {
Integer spotDuration = response.getInstances().get(0).getSpotDuration();
if (spotDuration != null && 0 == spotDuration) {
System.out.println("该实例是无保护期类型的抢占式实例");
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* <pre>
* 创建无保护期抢占式实例
* 参照 <a href="https://help.aliyun.com/document_detail/63440.html">OpenAPI RunInstances</a>
* </pre>
*
* @param client
*/
private static void createSpotInstance(IAcsClient client) {
try {
RunInstancesRequest request = new RunInstancesRequest();
request.setVSwitchId("<your-vsw-id>");
request.setImageId("<your-image-id>");
request.setSecurityGroupId("<your-security-group-id>");
request.setSystemDiskCategory("<your-disk-category>"); // 系统盘类型, 例如 "cloud_ssd"
request.setSystemDiskSize("<your-disk-size>"); // 系统盘大小, 例如 "40"
request.setInstanceType(instanceType);
request.setAmount(1);
request.setAcceptFormat(FormatType.JSON);
request.setInstanceChargeType("PostPaid");
request.setSpotStrategy("SpotAsPriceGo");
request.putQueryParameter("SpotDuration", 0);
RunInstancesResponse acsResponse = client.getAcsResponse(request);
if (null == acsResponse.getInstanceIdSets() || acsResponse.getInstanceIdSets().isEmpty()) {
return;
}
List<String> instanceIdSets = acsResponse.getInstanceIdSets();
System.out.println("创建成功. 实例ID列表: " + instanceIdSets);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 获取当前抢占式实例的收费价格
*
* @param client
*/
private static void describeSpotCurrentPrice(IAcsClient client) {
try {
DescribeSpotPriceHistoryRequest request = new DescribeSpotPriceHistoryRequest();
request.setRegionId(regionNo);
request.setZoneId(izNo);
request.setInstanceType(instanceType);
request.setIoOptimized("optimized");
request.setNetworkType("vpc");
String oneDayAgo = formatIso8601Date(DateUtils.addDays(Calendar.getInstance().getTime(), -1));
request.setStartTime(oneDayAgo);
//request.putQueryParameter("SpotDuration", 0);
request.setSpotDuration(0);
request.setAcceptFormat(FormatType.JSON);
DescribeSpotPriceHistoryResponse acsResponse = client.getAcsResponse(request);
if (acsResponse.getSpotPrices() == null || acsResponse.getSpotPrices().isEmpty()) {
System.out.println("询价失败");
return;
}
// 打印每个时间戳对应的价格信息
SpotPriceType currentSpotPriceType = acsResponse.getSpotPrices().get(
acsResponse.getSpotPrices().size() - 1);
System.out.println("当前抢占式实例价格: " + currentSpotPriceType.getSpotPrice());
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* <pre>
* 获取近一天的抢占式实例市场价格
* 参照 <a href="https://help.aliyun.com/document_detail/60400.html">OpenAPI DescribeSpotPriceHistory</a>
* </pre>
*
* @param client
*/
private static void describeSpotPriceHistory(IAcsClient client) {
try {
DescribeSpotPriceHistoryRequest request = new DescribeSpotPriceHistoryRequest();
request.setRegionId(regionNo);
request.setZoneId(izNo);
request.setInstanceType(instanceType);
request.setIoOptimized("optimized");
request.setNetworkType("vpc");
String oneDayAgo = formatIso8601Date(DateUtils.addDays(Calendar.getInstance().getTime(), -1));
request.setStartTime(oneDayAgo);
//request.putQueryParameter("SpotDuration", 0);
request.setSpotDuration(0);
request.setAcceptFormat(FormatType.JSON);
DescribeSpotPriceHistoryResponse acsResponse = client.getAcsResponse(request);
if (acsResponse.getSpotPrices() == null || acsResponse.getSpotPrices().isEmpty()) {
return;
}
// 打印每个时间戳对应的价格信息
for (SpotPriceType spotPrice : acsResponse.getSpotPrices()) {
String iso8601GmtDate = spotPrice.getTimestamp();
Date date = parseGMT2LocalDate(iso8601GmtDate);
String dateStr = new SimpleDateFormat(DATE_FORMAT).format(date);
System.out.println(
"日期: " + dateStr + " 原价: " + spotPrice.getOriginPrice() + " 抢占式实例价格: " + spotPrice.getSpotPrice());
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 将Date类型转换成ISO8601标准表示, 并使用UTC +0时间, 格式为yyyy-MM-ddTHH:mm:ssZ
*
* @param date
* @return
*/
public static String formatIso8601Date(Date date) {
SimpleDateFormat rfc822DateFormat = new SimpleDateFormat(ISO8601_DATE_FORMAT, Locale.US);
rfc822DateFormat.setTimeZone(new SimpleTimeZone(0, GMT));
return rfc822DateFormat.format(date);
}
/**
* @param iso8601GmtDate ISO8601格式的gmt时间
* @throws ParseException
*/
public static Date parseGMT2LocalDate(String iso8601GmtDate) throws ParseException {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(ISO8601_DATE_FORMAT);
simpleDateFormat.setTimeZone(SimpleTimeZone.getTimeZone(GMT));
return simpleDateFormat.parse(iso8601GmtDate);
}
/**
* 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(
regionNo, // 您的地域ID
"<your-access-key-id>", // 您的AccessKey ID
"<your-access-key-secret>"); // 您的AccessKey Secret
return new DefaultAcsClient(profile);
}
}