// that are required to describe the RuntimeClass to the Container Runtime
// Interface (CRI) implementation, as well as any other components that need to
// understand how the pod will be run. The RuntimeClassSpec is immutable.
message RuntimeClassSpec {
  // runtimeHandler specifies the underlying runtime and configuration that the
  // CRI implementation will use to handle pods of this class. The possible

  //
  // This field was immutable in Kubernetes <= 1.22 and now is mutable.
  //
  // +optional
  optional bool storageCapacity = 4;

  // fsGroupPolicy defines if the underlying volume supports changing ownership and
  // permission of the volume before being mounted.
  // Refer to the specific FSGroupPolicy values for additional details.
  //
  // This field is immutable.
  //

  // for which capacity was reported. If not set, the storage is
  // not accessible from any node in the cluster. If empty, the
  // storage is accessible from all nodes. This field is
  // immutable.
  //
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector nodeTopology = 2;

  // storageClassName represents the name of the StorageClass that the reported capacity applies to.

  // Minimum value is 4 (16 IPs).
  // This field is immutable.
  // +required
  optional int32 perNodeHostBits = 2;

  // ipv4 defines an IPv4 IP block in CIDR notation(e.g. "10.0.0.0/8").
  // At least one of ipv4 and ipv6 must be specified.
  // This field is immutable.
  // +optional
  optional string ipv4 = 3;

  // runtime (using native Linux containers) will be used to run the containers
  // in a pod.
  // The Handler must be lowercase, conform to the DNS Label (RFC 1123) requirements,
  // and is immutable.
  optional string handler = 2;

  // overhead represents the resource overhead associated with running a pod for a
  // given RuntimeClass. For more details, see

  //
  // Alternatively, the driver can be deployed with the field
  // unset or false and it can be flipped later when storage
  // capacity information has been published.
  //
  // This field was immutable in Kubernetes <= 1.22 and now is mutable.
  //
  // +optional
  // +featureGate=CSIStorageCapacity
  optional bool storageCapacity = 4;

  // fsGroupPolicy defines if the underlying volume supports changing ownership and

  // runtime (using native Linux containers) will be used to run the containers
  // in a pod.
  // The handler must be lowercase, conform to the DNS Label (RFC 1123) requirements,
  // and is immutable.
  optional string handler = 2;

  // overhead represents the resource overhead associated with running a pod for a
  // given RuntimeClass. For more details, see

// Describes a certificate signing request
message CertificateSigningRequest {
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // spec contains the certificate request, and is immutable after creation.
  // Only the request, signerName, expirationSeconds, and usages fields can be set on creation.
  // Other fields are derived by Kubernetes and cannot be modified by users.

  // Populated by the API server on creation and immutable.
  // +optional
  optional string username = 2;

  // uid contains the uid of the user that created the CertificateSigningRequest.
  // Populated by the API server on creation and immutable.
  // +optional
  optional string uid = 3;

  // addressType specifies the type of address carried by this EndpointSlice.
  // All addresses in this slice must be the same type. This field is
  // immutable after creation. The following address types are currently
  // supported:
  // * IPv4: Represents an IPv4 Address.
  // * IPv6: Represents an IPv6 Address.
  // * FQDN: Represents a Fully Qualified Domain Name.