vagrant/aws/aws-access-keys-commands

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export AWS_IAM_ROLE=$(curl -s http://169.254.169.254/latest/meta-data/iam/info | grep InstanceProfileArn | cut -d '"' -f 4 | cut -d '/' -f 2)
export AWS_ACCESS_KEY=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/$AWS_IAM_ROLE | grep AccessKeyId | awk -F\" '{ print $4 }')
export AWS_SECRET_KEY=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/$AWS_IAM_ROLE | grep SecretAccessKey | awk -F\" '{ print $4 }')
export AWS_SESSION_TOKEN=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/$AWS_IAM_ROLE | grep Token | awk -F\" '{ print $4 }')

if [ -z "$AWS_ACCESS_KEY" ]; then
    echo "Failed to populate environment variables AWS_ACCESS_KEY, AWS_SECRET_KEY, and AWS_SESSION_TOKEN."
    echo "AWS_IAM is currently $AWS_IAM. Double-check that this is correct. If not set, add this command to your .bashrc file:"
    echo "export AWS_IAM=<my_aws_iam>  # put this into your ~/.bashrc"
fi