optional string uid = 1;

  // Kind is the fully-qualified type of object being submitted (for example, v1.Pod or autoscaling.v1.Scale)
  optional k8s.io.apimachinery.pkg.apis.meta.v1.GroupVersionKind kind = 2;

  // Resource is the fully-qualified resource being requested (for example, v1.pods)
  optional k8s.io.apimachinery.pkg.apis.meta.v1.GroupVersionResource resource = 3;

message CertificateSigningRequestSpec {
  // Base64-encoded PKCS#10 CSR data
  // +listType=atomic
  optional bytes request = 1;

  // Requested signer for the request. It is a qualified name in the form:
  // `scope-hostname.io/name`.
  // If empty, it will be defaulted:
  //  1. If it's a kubelet client certificate, it is assigned
  //     "kubernetes.io/kube-apiserver-client-kubelet".

  optional string uid = 1;

  // Kind is the fully-qualified type of object being submitted (for example, v1.Pod or autoscaling.v1.Scale)
  optional k8s.io.apimachinery.pkg.apis.meta.v1.GroupVersionKind kind = 2;

  // Resource is the fully-qualified resource being requested (for example, v1.pods)
  optional k8s.io.apimachinery.pkg.apis.meta.v1.GroupVersionResource resource = 3;

  // as well as providing an identifier for logging purposes. A good name should be descriptive of
  // the associated expression.
  // Name must be a qualified name consisting of alphanumeric characters, '-', '_' or '.', and
  // must start and end with an alphanumeric character (e.g. 'MyName',  or 'my.name',  or

  // as well as providing an identifier for logging purposes. A good name should be descriptive of
  // the associated expression.
  // Name must be a qualified name consisting of alphanumeric characters, '-', '_' or '.', and
  // must start and end with an alphanumeric character (e.g. 'MyName',  or 'my.name',  or

  // 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.
  optional string addressType = 4;

  // endpoints is a list of unique endpoints in this slice. Each slice may
  // include a maximum of 1000 endpoints.
  // +listType=atomic

  // 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.
  optional string addressType = 4;

  // endpoints is a list of unique endpoints in this slice. Each slice may
  // include a maximum of 1000 endpoints.
  // +listType=atomic

  // Specifies the hostname of the Carp
  // If not specified, the carp's hostname will be set to a system-defined value.
  // +optional
  optional string hostname = 16;

  // If specified, the fully qualified Carp hostname will be "<hostname>.<subdomain>.<carp namespace>.svc.<cluster domain>".
  // If not specified, the carp will not have a domainname at all.
  // +optional
  optional string subdomain = 17;

  * In practice, this largely means that references are fully qualified in the API. IP Addresses (generally) have a network associated with them, node names have a cluster associated with them, etc.

// the related backend services. Incoming requests are first evaluated for a host
// match, then routed to the backend associated with the matching IngressRuleValue.
message IngressRule {
  // host is the fully qualified domain name of a network host, as defined by RFC 3986.
  // Note the following deviations from the "host" part of the
  // URI as defined in RFC 3986:
  // 1. IPs are not allowed. Currently an IngressRuleValue can only apply to