// Requests will be matched against the Host field in the following way:
  // 1. If Host is precise, the request matches this rule if the http host header is equal to Host.
  // 2. If Host is a wildcard, then the request matches this rule if the http host header
  // is to equal to the suffix (removing the first label) of the wildcard rule.
  // +optional
  optional string host = 1;

  // NOTE: The API server's TokenReview endpoint will validate the
  // BoundObjectRef, but other audiences may not. Keep ExpirationSeconds
  // small if you want prompt revocation.
  // +optional
  optional BoundObjectReference boundObjectRef = 3;
}

// TokenRequestStatus is the result of a token request.
message TokenRequestStatus {
  // Token is the opaque bearer token.
  optional string token = 1;

  // selector is the string-encoded form of a standard kubernetes label selector for the given metric
  // When set, it is passed as an additional parameter to the metrics server for more specific metrics scoping
  // When unset, just the metricName will be used to gather metrics.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 4;

  //
  // The data must consist only of PEM certificate blocks that parse as valid
  // X.509 certificates.  Each certificate must include a basic constraints
  // extension with the CA bit set.  The API server will reject objects that
  // contain duplicate certificates, or that use PEM block headers.
  //
  // Users of ClusterTrustBundles, including Kubelet, are free to reorder and

// NFS volumes do not support ownership management or SELinux relabeling.
message NFSVolumeSource {
  // server is the hostname or IP address of the NFS server.
  // More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs
  optional string server = 1;

  // path that is exported by the NFS server.
  // More info: https://kubernetes.io/docs/concepts/storage/volumes#nfs
  optional string path = 2;

  optional string name = 1;

  // selector is the string-encoded form of a standard kubernetes label selector for the given metric
  // When set, it is passed as an additional parameter to the metrics server for more specific metrics scoping.
  // When unset, just the metricName will be used to gather metrics.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 2;
}

// SelfSubjectReview contains the user information that the kube-apiserver has about the user making this request.
// When using impersonation, users will receive the user info of the user being impersonated.  If impersonation or
// request header authentication is used, any extra keys will have their case ignored and returned as lowercase.
message SelfSubjectReview {
  // Standard object's metadata.

  // The server returns only those CIDRs that it thinks that the client can match.
  // For example: the master will return an internal IP CIDR only, if the client reaches the server using an internal IP.
  // Server looks at X-Forwarded-For header or X-Real-Ip header or request.RemoteAddr (in that order) to get the client IP.
  // +optional
  repeated ServerAddressByClientCIDR serverAddressByClientCIDRs = 4;
}

  // Requests will be matched against the Host field in the following way:
  // 1. If Host is precise, the request matches this rule if the http host header is equal to Host.
  // 2. If Host is a wildcard, then the request matches this rule if the http host header
  // is to equal to the suffix (removing the first label) of the wildcard rule.
  // +optional
  optional string host = 1;

  optional TokenReviewSpec spec = 2;

  // Status is filled in by the server and indicates whether the token can be authenticated.
  // +optional
  optional TokenReviewStatus status = 3;
}

// TokenReviewSpec is a description of the token authentication request.
message TokenReviewSpec {
  // Token is the opaque bearer token.
  // +optional
  optional string token = 1;