Updated vednor files

vendor/k8s.io/client-go/rest/urlbackoff.go

@@ -1,107 +0,0 @@
-/*
-Copyright 2015 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package rest
-
-import (
-	"net/url"
-	"time"
-
-	"github.com/golang/glog"
-	"k8s.io/apimachinery/pkg/util/sets"
-	"k8s.io/client-go/util/flowcontrol"
-)
-
-// Set of resp. Codes that we backoff for.
-// In general these should be errors that indicate a server is overloaded.
-// These shouldn't be configured by any user, we set them based on conventions
-// described in
-var serverIsOverloadedSet = sets.NewInt(429)
-var maxResponseCode = 499
-
-type BackoffManager interface {
-	UpdateBackoff(actualUrl *url.URL, err error, responseCode int)
-	CalculateBackoff(actualUrl *url.URL) time.Duration
-	Sleep(d time.Duration)
-}
-
-// URLBackoff struct implements the semantics on top of Backoff which
-// we need for URL specific exponential backoff.
-type URLBackoff struct {
-	// Uses backoff as underlying implementation.
-	Backoff *flowcontrol.Backoff
-}
-
-// NoBackoff is a stub implementation, can be used for mocking or else as a default.
-type NoBackoff struct {
-}
-
-func (n *NoBackoff) UpdateBackoff(actualUrl *url.URL, err error, responseCode int) {
-	// do nothing.
-}
-
-func (n *NoBackoff) CalculateBackoff(actualUrl *url.URL) time.Duration {
-	return 0 * time.Second
-}
-
-func (n *NoBackoff) Sleep(d time.Duration) {
-	time.Sleep(d)
-}
-
-// Disable makes the backoff trivial, i.e., sets it to zero.  This might be used
-// by tests which want to run 1000s of mock requests without slowing down.
-func (b *URLBackoff) Disable() {
-	glog.V(4).Infof("Disabling backoff strategy")
-	b.Backoff = flowcontrol.NewBackOff(0*time.Second, 0*time.Second)
-}
-
-// baseUrlKey returns the key which urls will be mapped to.
-// For example, 127.0.0.1:8080/api/v2/abcde -> 127.0.0.1:8080.
-func (b *URLBackoff) baseUrlKey(rawurl *url.URL) string {
-	// Simple implementation for now, just the host.
-	// We may backoff specific paths (i.e. "pods") differentially
-	// in the future.
-	host, err := url.Parse(rawurl.String())
-	if err != nil {
-		glog.V(4).Infof("Error extracting url: %v", rawurl)
-		panic("bad url!")
-	}
-	return host.Host
-}
-
-// UpdateBackoff updates backoff metadata
-func (b *URLBackoff) UpdateBackoff(actualUrl *url.URL, err error, responseCode int) {
-	// range for retry counts that we store is [0,13]
-	if responseCode > maxResponseCode || serverIsOverloadedSet.Has(responseCode) {
-		b.Backoff.Next(b.baseUrlKey(actualUrl), b.Backoff.Clock.Now())
-		return
-	} else if responseCode >= 300 || err != nil {
-		glog.V(4).Infof("Client is returning errors: code %v, error %v", responseCode, err)
-	}
-
-	//If we got this far, there is no backoff required for this URL anymore.
-	b.Backoff.Reset(b.baseUrlKey(actualUrl))
-}
-
-// CalculateBackoff takes a url and back's off exponentially,
-// based on its knowledge of existing failures.
-func (b *URLBackoff) CalculateBackoff(actualUrl *url.URL) time.Duration {
-	return b.Backoff.Get(b.baseUrlKey(actualUrl))
-}
-
-func (b *URLBackoff) Sleep(d time.Duration) {
-	b.Backoff.Clock.Sleep(d)
-}