rebase: update kubernetes to v1.25.0

update kubernetes to latest v1.25.0
release.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/github.com/emicklei/go-restful/v3/route.go

@@ -0,0 +1,178 @@
+package restful
+
+// Copyright 2013 Ernest Micklei. All rights reserved.
+// Use of this source code is governed by a license
+// that can be found in the LICENSE file.
+
+import (
+	"net/http"
+	"strings"
+)
+
+// RouteFunction declares the signature of a function that can be bound to a Route.
+type RouteFunction func(*Request, *Response)
+
+// RouteSelectionConditionFunction declares the signature of a function that
+// can be used to add extra conditional logic when selecting whether the route
+// matches the HTTP request.
+type RouteSelectionConditionFunction func(httpRequest *http.Request) bool
+
+// Route binds a HTTP Method,Path,Consumes combination to a RouteFunction.
+type Route struct {
+	ExtensionProperties
+	Method   string
+	Produces []string
+	Consumes []string
+	Path     string // webservice root path + described path
+	Function RouteFunction
+	Filters  []FilterFunction
+	If       []RouteSelectionConditionFunction
+
+	// cached values for dispatching
+	relativePath string
+	pathParts    []string
+	pathExpr     *pathExpression // cached compilation of relativePath as RegExp
+
+	// documentation
+	Doc                     string
+	Notes                   string
+	Operation               string
+	ParameterDocs           []*Parameter
+	ResponseErrors          map[int]ResponseError
+	DefaultResponse         *ResponseError
+	ReadSample, WriteSample interface{} // structs that model an example request or response payload
+
+	// Extra information used to store custom information about the route.
+	Metadata map[string]interface{}
+
+	// marks a route as deprecated
+	Deprecated bool
+
+	//Overrides the container.contentEncodingEnabled
+	contentEncodingEnabled *bool
+
+	// indicate route path has custom verb
+	hasCustomVerb bool
+
+	// if a request does not include a content-type header then
+	// depending on the method, it may return a 415 Unsupported Media
+	// Must have uppercase HTTP Method names such as GET,HEAD,OPTIONS,...
+	allowedMethodsWithoutContentType []string
+}
+
+// Initialize for Route
+func (r *Route) postBuild() {
+	r.pathParts = tokenizePath(r.Path)
+	r.hasCustomVerb = hasCustomVerb(r.Path)
+}
+
+// Create Request and Response from their http versions
+func (r *Route) wrapRequestResponse(httpWriter http.ResponseWriter, httpRequest *http.Request, pathParams map[string]string) (*Request, *Response) {
+	wrappedRequest := NewRequest(httpRequest)
+	wrappedRequest.pathParameters = pathParams
+	wrappedRequest.selectedRoute = r
+	wrappedResponse := NewResponse(httpWriter)
+	wrappedResponse.requestAccept = httpRequest.Header.Get(HEADER_Accept)
+	wrappedResponse.routeProduces = r.Produces
+	return wrappedRequest, wrappedResponse
+}
+
+func stringTrimSpaceCutset(r rune) bool {
+	return r == ' '
+}
+
+// Return whether the mimeType matches to what this Route can produce.
+func (r Route) matchesAccept(mimeTypesWithQuality string) bool {
+	remaining := mimeTypesWithQuality
+	for {
+		var mimeType string
+		if end := strings.Index(remaining, ","); end == -1 {
+			mimeType, remaining = remaining, ""
+		} else {
+			mimeType, remaining = remaining[:end], remaining[end+1:]
+		}
+		if quality := strings.Index(mimeType, ";"); quality != -1 {
+			mimeType = mimeType[:quality]
+		}
+		mimeType = strings.TrimFunc(mimeType, stringTrimSpaceCutset)
+		if mimeType == "*/*" {
+			return true
+		}
+		for _, producibleType := range r.Produces {
+			if producibleType == "*/*" || producibleType == mimeType {
+				return true
+			}
+		}
+		if len(remaining) == 0 {
+			return false
+		}
+	}
+}
+
+// Return whether this Route can consume content with a type specified by mimeTypes (can be empty).
+func (r Route) matchesContentType(mimeTypes string) bool {
+
+	if len(r.Consumes) == 0 {
+		// did not specify what it can consume ;  any media type (“*/*”) is assumed
+		return true
+	}
+
+	if len(mimeTypes) == 0 {
+		// idempotent methods with (most-likely or guaranteed) empty content match missing Content-Type
+		m := r.Method
+		// if route specifies less or non-idempotent methods then use that
+		if len(r.allowedMethodsWithoutContentType) > 0 {
+			for _, each := range r.allowedMethodsWithoutContentType {
+				if m == each {
+					return true
+				}
+			}
+		} else {
+			if m == "GET" || m == "HEAD" || m == "OPTIONS" || m == "DELETE" || m == "TRACE" {
+				return true
+			}
+		}
+		// proceed with default
+		mimeTypes = MIME_OCTET
+	}
+
+	remaining := mimeTypes
+	for {
+		var mimeType string
+		if end := strings.Index(remaining, ","); end == -1 {
+			mimeType, remaining = remaining, ""
+		} else {
+			mimeType, remaining = remaining[:end], remaining[end+1:]
+		}
+		if quality := strings.Index(mimeType, ";"); quality != -1 {
+			mimeType = mimeType[:quality]
+		}
+		mimeType = strings.TrimFunc(mimeType, stringTrimSpaceCutset)
+		for _, consumeableType := range r.Consumes {
+			if consumeableType == "*/*" || consumeableType == mimeType {
+				return true
+			}
+		}
+		if len(remaining) == 0 {
+			return false
+		}
+	}
+}
+
+// Tokenize an URL path using the slash separator ; the result does not have empty tokens
+func tokenizePath(path string) []string {
+	if "/" == path {
+		return nil
+	}
+	return strings.Split(strings.Trim(path, "/"), "/")
+}
+
+// for debugging
+func (r *Route) String() string {
+	return r.Method + " " + r.Path
+}
+
+// EnableContentEncoding (default=false) allows for GZIP or DEFLATE encoding of responses. Overrides the container.contentEncodingEnabled value.
+func (r *Route) EnableContentEncoding(enabled bool) {
+	r.contentEncodingEnabled = &enabled
+}