// An object that describes the pod that will be created.
  // The DaemonSet will create exactly one copy of this pod on every node
  // that matches the template's node selector (or on every node if no node
  // selector is specified).
  // The only allowed template.spec.restartPolicy value is "Always".

  // https://git.k8s.io/enhancements/keps/sig-node/688-pod-overhead/README.md
  // +optional
  optional Overhead overhead = 3;

  // scheduling holds the scheduling constraints to ensure that pods running
  // with this RuntimeClass are scheduled to nodes that support it.
  // If scheduling is nil, this RuntimeClass is assumed to be supported by all
  // nodes.
  // +optional
  optional Scheduling scheduling = 4;
}

  // An object that describes the pod that will be created.
  // The DaemonSet will create exactly one copy of this pod on every node
  // that matches the template's node selector (or on every node if no node
  // selector is specified).
  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#pod-template

  // An object that describes the pod that will be created.
  // The DaemonSet will create exactly one copy of this pod on every node
  // that matches the template's node selector (or on every node if no node
  // selector is specified).
  // The only allowed template.spec.restartPolicy value is "Always".

  repeated RuntimeClass items = 2;
}

// Scheduling specifies the scheduling constraints for nodes supporting a
// RuntimeClass.
message Scheduling {
  // nodeSelector lists labels that must be present on nodes that support this
  // RuntimeClass. Pods using this RuntimeClass can only be scheduled to a
  // node matched by this selector. The RuntimeClass nodeSelector is merged

  // https://git.k8s.io/enhancements/keps/sig-node/688-pod-overhead/README.md
  // +optional
  optional Overhead overhead = 2;

  // scheduling holds the scheduling constraints to ensure that pods running
  // with this RuntimeClass are scheduled to nodes that support it.
  // If scheduling is nil, this RuntimeClass is assumed to be supported by all
  // nodes.
  // +optional
  optional Scheduling scheduling = 3;
}

  // +optional
  optional ResourceClassParametersReference parametersRef = 3;

  // Only nodes matching the selector will be considered by the scheduler
  // when trying to find a Node that fits a Pod when that Pod uses
  // a ResourceClaim that has not been allocated yet.
  //
  // Setting this field is optional. If null, all nodes are candidates.
  // +optional
  optional k8s.io.api.core.v1.NodeSelector suitableNodes = 4;
}

  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // nodeTopology defines which nodes have access to the storage
  // 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

  // not share the same nomenclature for nodes. For example, Kubernetes may
  // refer to a given node as "node1", but the storage system may refer to
  // the same node as "nodeA". When Kubernetes issues a command to the storage
  // system to attach a volume to a specific node, it can use this field to
  // refer to the node name using the ID that the storage system will
  // understand, e.g. "nodeA" instead of "node1". This field is required.

  // +listType=set
  // Required.
  repeated string apiGroups = 2;

  // `resources` is a list of matching resources (i.e., lowercase
  // and plural) with, if desired, subresource.  For example, [
  // "services", "nodes/status" ].  This list may not be empty.
  // "*" matches all resources and, if present, must be the only entry.
  // Required.
  // +listType=set
  repeated string resources = 3;