cloud-platform/aws/amazon-msk/config/iam-client.properties
# https://docs.aws.amazon.com/msk/latest/developerguide/iam-access-control.html#configure-clients-for-iam-access-control
security.protocol=SASL_SSL
sasl.mechanism=AWS_MSK_IAM
sasl.jaas.config=software.amazon.msk.auth.iam.IAMLoginModule required;
sasl.client.callback.handler.class=software.amazon.msk.auth.iam.IAMClientCallbackHandler