1. update clientset, deepcopy using code-generator

2. add a dummy file tools.go to force "go mod vendor" to see
code-generator as dependencies
3. add a script to update CRD
4. add a README to document CRD updating steps
run go mod tidy
update README

vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go

@@ -18,6 +18,7 @@ package runtime
 
 import (
 	"fmt"
+	"net/http"
 	"runtime"
 	"sync"
 	"time"
@@ -56,8 +57,16 @@ func HandleCrash(additionalHandlers ...func(interface{})) {
 	}
 }
 
-// logPanic logs the caller tree when a panic occurs.
+// logPanic logs the caller tree when a panic occurs (except in the special case of http.ErrAbortHandler).
 func logPanic(r interface{}) {
+	if r == http.ErrAbortHandler {
+		// honor the http.ErrAbortHandler sentinel panic value:
+		//   ErrAbortHandler is a sentinel panic value to abort a handler.
+		//   While any panic from ServeHTTP aborts the response to the client,
+		//   panicking with ErrAbortHandler also suppresses logging of a stack trace to the server's error log.
+		return
+	}
+
 	// Same as stdlib http server code. Manually allocate stack trace buffer size
 	// to prevent excessively large logs
 	const size = 64 << 10