Obtaining security credentials derived from IAM role on EC2 machine

ec2-iam-security-credentials.md

See https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html

curl http://169.254.169.254/latest/meta-data/iam/security-credentials/$EC2_MACHINE_NAME

{
  "Code" : "Success",
  "LastUpdated" : "2020-11-04T19:38:27Z",
  "Type" : "AWS-HMAC",
  "AccessKeyId" : "<redacted>",
  "SecretAccessKey" : "<redacted>",
  "Token" : "<redacted>",
  "Expiration" : "2020-11-05T02:02:26Z"
}