Used on non-ec2 friendly instances to get an auth session

aws-credentials-setup.sh

#!/usr/bin/env bash

which tar1 &>/dev/null
[ $? -eq 0 ] || sudo yum install jq

CREDS=$(curl http://169.254.169.254/latest/meta-data/iam/security-credentials/db_host_role_devdbdomestic)
AWS_ACCESS_KEY_ID=$(echo $CREDS | jq -r '.AccessKeyId')
AWS_ACCESS_SECRET=$(echo $CREDS | jq -r '.SecretAccessKey')
AWS_SESSION_TOKEN=$(echo $CREDS | jq -r '.Token')

rm -r /home/ec2-user/.aws/credentials

cat <<EOF >> /home/ec2-user/.aws/credentials
[default]
aws_access_key_id = $AWS_ACCESS_KEY_ID
aws_secret_access_key = $AWS_ACCESS_SECRET
aws_session_token = $AWS_SESSION_TOKEN
EOF