概念

1. AMI: 初始化用的系统镜像
2. 密钥对
3. 弹性IP怎么收费

获取自身实例的元数据

查询实例身份
curl -H “X-aws-ec2-metadata-token: $TOKEN” -v http://169.254.169.254/latest/dynamic/instance-identity/document

https://docs.aws.amazon.com/zh_cn/AWSEC2/latest/UserGuide/configuring-instance-metadata-service.html

https://docs.aws.amazon.com/zh_cn/AWSEC2/latest/UserGuide/instancedata-data-categories.html

拿到ec2实例id

拿到所属的用户id
curl -H “X-aws-ec2-metadata-token: $TOKEN” -v http://169.254.169.254/latest/meta-data/identity-credentials/ec2//info

查询可用区
placement/availability-zone

密钥对

https://ap-east-1.console.aws.amazon.com/ec2/v2/home?region=ap-east-1#KeyPairs:
在这里可以导入已有的密钥对的公钥