Export AWS credentials of a role assumed via STS

export_assumed_role.sh

#!/bin/bash

# usage: $ `aws sts assume-role --role-arn <arn> --role-session-name <session-name> | ./export_assumed_role.sh`

cat $1 | jq '.Credentials' | jq -r '.AccessKeyId, .SecretAccessKey, .SessionToken' | {
	read -r access_key;
	read -r secret_key;
	read -r session_token;

	echo "export AWS_ACCESS_KEY_ID=$access_key";
	echo "export AWS_SECRET_ACCESS_KEY=$secret_key";
	echo "export AWS_SESSION_TOKEN=$session_token";
}