1 files changed, 0 insertions, 149 deletions
diff --git a/vendor/k8s.io/client-go/util/flowcontrol/backoff.go b/vendor/k8s.io/client-go/util/flowcontrol/backoff.go
deleted file mode 100644
index 39cd72f95..000000000
--- a/vendor/k8s.io/client-go/util/flowcontrol/backoff.go
+++ /dev/null
@@ -1,149 +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 flowcontrol
-
-import (
-	"sync"
-	"time"
-
-	"k8s.io/apimachinery/pkg/util/clock"
-	"k8s.io/utils/integer"
-)
-
-type backoffEntry struct {
-	backoff    time.Duration
-	lastUpdate time.Time
-}
-
-type Backoff struct {
-	sync.Mutex
-	Clock           clock.Clock
-	defaultDuration time.Duration
-	maxDuration     time.Duration
-	perItemBackoff  map[string]*backoffEntry
-}
-
-func NewFakeBackOff(initial, max time.Duration, tc *clock.FakeClock) *Backoff {
-	return &Backoff{
-		perItemBackoff:  map[string]*backoffEntry{},
-		Clock:           tc,
-		defaultDuration: initial,
-		maxDuration:     max,
-	}
-}
-
-func NewBackOff(initial, max time.Duration) *Backoff {
-	return &Backoff{
-		perItemBackoff:  map[string]*backoffEntry{},
-		Clock:           clock.RealClock{},
-		defaultDuration: initial,
-		maxDuration:     max,
-	}
-}
-
-// Get the current backoff Duration
-func (p *Backoff) Get(id string) time.Duration {
-	p.Lock()
-	defer p.Unlock()
-	var delay time.Duration
-	entry, ok := p.perItemBackoff[id]
-	if ok {
-		delay = entry.backoff
-	}
-	return delay
-}
-
-// move backoff to the next mark, capping at maxDuration
-func (p *Backoff) Next(id string, eventTime time.Time) {
-	p.Lock()
-	defer p.Unlock()
-	entry, ok := p.perItemBackoff[id]
-	if !ok || hasExpired(eventTime, entry.lastUpdate, p.maxDuration) {
-		entry = p.initEntryUnsafe(id)
-	} else {
-		delay := entry.backoff * 2 // exponential
-		entry.backoff = time.Duration(integer.Int64Min(int64(delay), int64(p.maxDuration)))
-	}
-	entry.lastUpdate = p.Clock.Now()
-}
-
-// Reset forces clearing of all backoff data for a given key.
-func (p *Backoff) Reset(id string) {
-	p.Lock()
-	defer p.Unlock()
-	delete(p.perItemBackoff, id)
-}
-
-// Returns True if the elapsed time since eventTime is smaller than the current backoff window
-func (p *Backoff) IsInBackOffSince(id string, eventTime time.Time) bool {
-	p.Lock()
-	defer p.Unlock()
-	entry, ok := p.perItemBackoff[id]
-	if !ok {
-		return false
-	}
-	if hasExpired(eventTime, entry.lastUpdate, p.maxDuration) {
-		return false
-	}
-	return p.Clock.Since(eventTime) < entry.backoff
-}
-
-// Returns True if time since lastupdate is less than the current backoff window.
-func (p *Backoff) IsInBackOffSinceUpdate(id string, eventTime time.Time) bool {
-	p.Lock()
-	defer p.Unlock()
-	entry, ok := p.perItemBackoff[id]
-	if !ok {
-		return false
-	}
-	if hasExpired(eventTime, entry.lastUpdate, p.maxDuration) {
-		return false
-	}
-	return eventTime.Sub(entry.lastUpdate) < entry.backoff
-}
-
-// Garbage collect records that have aged past maxDuration. Backoff users are expected
-// to invoke this periodically.
-func (p *Backoff) GC() {
-	p.Lock()
-	defer p.Unlock()
-	now := p.Clock.Now()
-	for id, entry := range p.perItemBackoff {
-		if now.Sub(entry.lastUpdate) > p.maxDuration*2 {
-			// GC when entry has not been updated for 2*maxDuration
-			delete(p.perItemBackoff, id)
-		}
-	}
-}
-
-func (p *Backoff) DeleteEntry(id string) {
-	p.Lock()
-	defer p.Unlock()
-	delete(p.perItemBackoff, id)
-}
-
-// Take a lock on *Backoff, before calling initEntryUnsafe
-func (p *Backoff) initEntryUnsafe(id string) *backoffEntry {
-	entry := &backoffEntry{backoff: p.defaultDuration}
-	p.perItemBackoff[id] = entry
-	return entry
-}
-
-// After 2*maxDuration we restart the backoff factor to the beginning
-func hasExpired(eventTime time.Time, lastUpdate time.Time, maxDuration time.Duration) bool {
-	return eventTime.Sub(lastUpdate) > maxDuration*2 // consider stable if it's ok for twice the maxDuration
-}