kubernetes/staging/src/k8s.io/apiserver/pkg/util/proxy/proxy.go

const aggregatedDiscoveryTimeout …

// findServicePort finds the service port by name or numerically.
func findServicePort(svc *v1.Service, port int32) (*v1.ServicePort, error) { … }

// ResolveEndpoint returns a URL to which one can send traffic for the specified service.
func ResolveEndpoint(services listersv1.ServiceLister, endpoints listersv1.EndpointsLister, namespace, id string, port int32) (*url.URL, error) { … }

func ResolveCluster(services listersv1.ServiceLister, namespace, id string, port int32) (*url.URL, error) { … }

// NewRequestForProxy returns a shallow copy of the original request with a context that may include a timeout for discovery requests
func NewRequestForProxy(location *url.URL, req *http.Request) (*http.Request, context.CancelFunc) { … }