Remove pkg/proxy which is no longer used

pkg/proxy/proxy_server.go

@@ -1,65 +0,0 @@
-package proxy
-
-import (
-	"crypto/tls"
-	"crypto/x509"
-	"net/http"
-	"net/url"
-
-	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/apimachinery/pkg/util/proxy"
-	"k8s.io/client-go/rest"
-)
-
-var (
-	er = &errorResponder{}
-)
-
-type errorResponder struct {
-}
-
-func (e *errorResponder) Error(w http.ResponseWriter, req *http.Request, err error) {
-	w.WriteHeader(http.StatusInternalServerError)
-	w.Write([]byte(err.Error()))
-}
-
-type SimpleProxy struct {
-	url                *url.URL
-	transport          http.RoundTripper
-	overrideHostHeader bool
-}
-
-func NewSimpleProxy(host string, caData []byte, overrideHostHeader bool) (*SimpleProxy, error) {
-	hostURL, _, err := rest.DefaultServerURL(host, "", schema.GroupVersion{}, true)
-	if err != nil {
-		return nil, err
-	}
-
-	ht := &http.Transport{}
-	if len(caData) > 0 {
-		certPool := x509.NewCertPool()
-		certPool.AppendCertsFromPEM(caData)
-		ht.TLSClientConfig = &tls.Config{
-			RootCAs: certPool,
-		}
-	}
-
-	return &SimpleProxy{
-		url:                hostURL,
-		transport:          ht,
-		overrideHostHeader: overrideHostHeader,
-	}, nil
-}
-
-func (s *SimpleProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
-	u := *s.url
-	u.Path = req.URL.Path
-	u.RawQuery = req.URL.RawQuery
-	req.URL.Scheme = "https"
-	req.URL.Host = req.Host
-	if s.overrideHostHeader {
-		req.Host = u.Host
-	}
-	httpProxy := proxy.NewUpgradeAwareHandler(&u, s.transport, false, false, er)
-	httpProxy.ServeHTTP(rw, req)
-}