Executes aws sts get-session-token, and sets the result to .aws/credentials

set-aws-session-token.sh

#!/bin/bash
# Based on the following shell script:
# https://github.com/DevNambi/utility-scripts/blob/master/sessioner.sh
#
echo $@
POSITIONAL=()
while [[ $# -gt 0 ]]
do
key="$1"

case $key in
    -s|--serial)
    SERIAL="$2"
    shift # past argument
    shift # past value
    ;;
    -p|--profile)
    PROFILE="$2"
    shift # past argument
    shift # past value
    ;;
    -t|--token)
    TOKEN="$2"
    shift # past argument
    shift # past value
    ;;
    *)    # unknown option
    POSITIONAL+=("$1") # save it in an array for later
    shift # past argument
    ;;
esac
done
set -- "${POSITIONAL[@]}" # restore positional parameters


echo "Configuring $PROFILE with token $TOKEN"
CREDJSON="$(aws sts get-session-token --duration 129600 --serial-number $SERIAL --profile $PROFILE --token-code $TOKEN)"

ACCESSKEY="$(echo $CREDJSON | jq '.Credentials.AccessKeyId' | sed 's/"//g')"
SECRETKEY="$(echo $CREDJSON | jq '.Credentials.SecretAccessKey' | sed 's/"//g')"
SESSIONTOKEN="$(echo $CREDJSON | jq '.Credentials.SessionToken' | sed 's/"//g')"
PROFILENAME=${PROFILE}-session

echo "Profile $PROFILENAME AccessKey $ACCESSKEY SecretKey $SECRETKEY"
echo "SessionToken $SESSIONTOKEN"


aws configure set aws_access_key_id $ACCESSKEY --profile $PROFILENAME
aws configure set aws_secret_access_key $SECRETKEY --profile $PROFILENAME
aws configure set aws_session_token $SESSIONTOKEN --profile $PROFILENAME