// items is the list of VolumeAttachments
  repeated VolumeAttachment items = 2;
}

// VolumeAttachmentSource represents a volume that should be attached.
// Right now only PersistenVolumes can be attached via external attacher,
// in future we may allow also inline volumes in pods.
// Exactly one member can be set.
message VolumeAttachmentSource {

  // well-known group names.
  // Required.
  optional string name = 1;
}

// LimitResponse defines how to handle requests that can not be executed right now.
// +union
message LimitResponse {
  // `type` is "Queue" or "Reject".
  // "Queue" means that requests that can not be executed upon arrival
  // are held in a queue until they can be executed or a queuing limit

  // well-known group names.
  // Required.
  optional string name = 1;
}

// LimitResponse defines how to handle requests that can not be executed right now.
// +union
message LimitResponse {
  // `type` is "Queue" or "Reject".
  // "Queue" means that requests that can not be executed upon arrival
  // are held in a queue until they can be executed or a queuing limit

  //
  // - In: the requirement is satisfied if at least one container exit code
  //   (might be multiple if there are multiple containers not restricted
  //   by the 'containerName' field) is in the set of specified values.
  // - NotIn: the requirement is satisfied if at least one container exit code
  //   (might be multiple if there are multiple containers not restricted

  //
  // If wildcard is present, the validation rule will ensure resources do not
  // overlap with each other.
  //
  // Depending on the enclosing object, subresources might not be allowed.
  // Required.
  // +listType=atomic
  repeated string resources = 3;

  // scope specifies the scope of this rule.
  // Valid values are "Cluster", "Namespaced", and "*"

  // but not yet healthy are considered disrupted and can be evicted regardless
  // of whether the criteria in a PDB is met. This means perspective running
  // pods of a disrupted application might not get a chance to become healthy.
  // Healthy pods will be subject to the PDB for eviction.
  //
  // Additional policies may be added in the future.

  // but not yet healthy are considered disrupted and can be evicted regardless
  // of whether the criteria in a PDB is met. This means perspective running
  // pods of a disrupted application might not get a chance to become healthy.
  // Healthy pods will be subject to the PDB for eviction.
  //
  // Additional policies may be added in the future.

  // items is the list of VolumeAttachments
  repeated VolumeAttachment items = 2;
}

// VolumeAttachmentSource represents a volume that should be attached.
// Right now only PersistenVolumes can be attached via external attacher,
// in future we may allow also inline volumes in pods.
// Exactly one member can be set.
message VolumeAttachmentSource {

  // e.g. 'Evicted'
  // +optional
  optional string reason = 4;

  // nominatedNodeName is set only when this pod preempts other pods on the node, but it cannot be
  // scheduled right away as preemption victims receive their graceful termination periods.
  // This field does not guarantee that the pod will be scheduled on this node. Scheduler may decide