Makes operating AWS CLI against a user with MFA enabled easier

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#!/bin/sh

echo "Store and retrieve session token AWS STS \n\n"

# Get source profile read -p "Source Profile [<profile_name>]: " source_profile source_profile=${source_profile:-'<profile_name>'} echo $source_profile

# Get destination profile read -p "Destination Profile [<profile_name>-mfa]: " destination_profile destination_profile=${destination_profile:-'<profile_name>-mfa'} echo $destination_profile

mfa_serial_number='arn:aws:iam::<id>:mfa/<name>'

echo "\nOTP: " read -p "One Time Password (OTP): " otp

echo "\nOTP:" $otp echo "\n"

output=$(aws sts get-session-token --profile <profile_name> --serial-number $mfa_serial_number --output json --token-code $otp)

echo $output

access_key_id=$(echo $output | jq .Credentials.AccessKeyId | tr -d '"') secret_access_key=$(echo $output | jq .Credentials.SecretAccessKey | tr -d '"') session_token=$(echo $output | jq .Credentials.SessionToken | tr -d '"')

aws configure set aws_access_key_id $access_key_id --profile=$destination_profile aws configure set aws_secret_access_key $secret_access_key --profile=$destination_profile aws configure set aws_session_token $session_token --profile=$destination_profile

echo "Configured AWS for profile" $destination_profile