本文主要记录使用AWS SDK for Java创建并启动EC2实例的过程及遇到的问题和解决办法。
1.初始化EC2
AWS的身份验证方式有两种:一种是通过获取默认路径下的credentials文件,该文件通常在"\Users\****\.aws"下;另一种是直接将密钥(ACCESS_KEY,SECRET_KEY)作为参数。两种方法本质上其实是相同的。具体实现如下:
①方式一:
public void init() {
try {
AWSCredentials credentials = new ProfileCredentialsProvider("default").getCredentials();
EC2 = new AmazonEC2Client(credentials);
EC2.setRegion(Region.getRegion(Regions.CN_NORTH_1));
}catch(Exception e) {
log.error("init EC2",e);
}
}
②方式二:
public void init_with_key(String ACCESS_KEY, String SECRET_KEY) {
try {
AWSCredentials credentials = null;
credentials = new BasicAWSCredentials(ACCESS_KEY,SECRET_KEY);
EC2 = new AmazonEC2Client(credentials);
EC2.setRegion(Regi