public Optional<Output<String>> keyring() {
        return Optional.ofNullable(this.keyring);
    }
@return keyring is the path to key ring for RBDUser. Default is /etc/ceph/keyring. More info: https://examples.k8s.io/volumes/rbd/README.md#how-to-use-it
sdk/java/src/main/java/com/pulumi/kubernetes/core/v1/inputs/RBDVolumeSourceArgs.java