aws_sts_get_token.sh

#!/bin/bash
read -p 'AWS User (username): ' AWS_USER
read -p 'AWS Account ID (12-digit): ' AWS_ACCOUNT_ID

AWS_USER_ARN="arn:aws:iam::${AWS_ACCOUNT_ID}:mfa/${AWS_USER}"

read -p 'Profile (default): ' AWS_USER_PROFILE
read -p 'MFA Token (xxxxxx): ' MFA_TOKEN_CODE

read AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_SESSION_TOKEN <<< \
$( aws --profile $AWS_USER_PROFILE sts get-session-token \
  --serial-number $AWS_USER_ARN \
  --token-code $MFA_TOKEN_CODE \
  --output text  | awk '{ print $2, $4, $5 }')
  
echo =============================================================
echo export AWS_ACCESS_KEY_ID="${AWS_ACCESS_KEY_ID}"
echo export AWS_SECRET_ACCESS_KEY="${AWS_SECRET_ACCESS_KEY}"
echo export AWS_SESSION_TOKEN="${AWS_SESSION_TOKEN}"
echo =============================================================