chore: update docker and k8s

vendor/k8s.io/apimachinery/pkg/watch/streamwatcher.go

@@ -17,10 +17,12 @@ limitations under the License.
 package watch
 
 import (
+	"fmt"
 	"io"
 	"sync"
 
-	"github.com/golang/glog"
+	"k8s.io/klog"
+
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/net"
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
@@ -39,19 +41,28 @@ type Decoder interface {
 	Close()
 }
 
+// Reporter hides the details of how an error is turned into a runtime.Object for
+// reporting on a watch stream since this package may not import a higher level report.
+type Reporter interface {
+	// AsObject must convert err into a valid runtime.Object for the watch stream.
+	AsObject(err error) runtime.Object
+}
+
 // StreamWatcher turns any stream for which you can write a Decoder interface
 // into a watch.Interface.
 type StreamWatcher struct {
 	sync.Mutex
-	source  Decoder
-	result  chan Event
-	stopped bool
+	source   Decoder
+	reporter Reporter
+	result   chan Event
+	stopped  bool
 }
 
 // NewStreamWatcher creates a StreamWatcher from the given decoder.
-func NewStreamWatcher(d Decoder) *StreamWatcher {
+func NewStreamWatcher(d Decoder, r Reporter) *StreamWatcher {
 	sw := &StreamWatcher{
-		source: d,
+		source:   d,
+		reporter: r,
 		// It's easy for a consumer to add buffering via an extra
 		// goroutine/channel, but impossible for them to remove it,
 		// so nonbuffered is better.
@@ -100,13 +111,15 @@ func (sw *StreamWatcher) receive() {
 			case io.EOF:
 				// watch closed normally
 			case io.ErrUnexpectedEOF:
-				glog.V(1).Infof("Unexpected EOF during watch stream event decoding: %v", err)
+				klog.V(1).Infof("Unexpected EOF during watch stream event decoding: %v", err)
 			default:
-				msg := "Unable to decode an event from the watch stream: %v"
 				if net.IsProbableEOF(err) {
-					glog.V(5).Infof(msg, err)
+					klog.V(5).Infof("Unable to decode an event from the watch stream: %v", err)
 				} else {
-					glog.Errorf(msg, err)
+					sw.result <- Event{
+						Type:   Error,
+						Object: sw.reporter.AsObject(fmt.Errorf("unable to decode an event from the watch stream: %v", err)),
+					}
 				}
 			}
 			return

vendor/k8s.io/apimachinery/pkg/watch/until.go

@@ -1,87 +0,0 @@
-/*
-Copyright 2016 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 watch
-
-import (
-	"errors"
-	"time"
-
-	"k8s.io/apimachinery/pkg/util/wait"
-)
-
-// ConditionFunc returns true if the condition has been reached, false if it has not been reached yet,
-// or an error if the condition cannot be checked and should terminate. In general, it is better to define
-// level driven conditions over edge driven conditions (pod has ready=true, vs pod modified and ready changed
-// from false to true).
-type ConditionFunc func(event Event) (bool, error)
-
-// ErrWatchClosed is returned when the watch channel is closed before timeout in Until.
-var ErrWatchClosed = errors.New("watch closed before Until timeout")
-
-// Until reads items from the watch until each provided condition succeeds, and then returns the last watch
-// encountered. The first condition that returns an error terminates the watch (and the event is also returned).
-// If no event has been received, the returned event will be nil.
-// Conditions are satisfied sequentially so as to provide a useful primitive for higher level composition.
-// A zero timeout means to wait forever.
-func Until(timeout time.Duration, watcher Interface, conditions ...ConditionFunc) (*Event, error) {
-	ch := watcher.ResultChan()
-	defer watcher.Stop()
-	var after <-chan time.Time
-	if timeout > 0 {
-		after = time.After(timeout)
-	} else {
-		ch := make(chan time.Time)
-		defer close(ch)
-		after = ch
-	}
-	var lastEvent *Event
-	for _, condition := range conditions {
-		// check the next condition against the previous event and short circuit waiting for the next watch
-		if lastEvent != nil {
-			done, err := condition(*lastEvent)
-			if err != nil {
-				return lastEvent, err
-			}
-			if done {
-				continue
-			}
-		}
-	ConditionSucceeded:
-		for {
-			select {
-			case event, ok := <-ch:
-				if !ok {
-					return lastEvent, ErrWatchClosed
-				}
-				lastEvent = &event
-
-				// TODO: check for watch expired error and retry watch from latest point?
-				done, err := condition(event)
-				if err != nil {
-					return lastEvent, err
-				}
-				if done {
-					break ConditionSucceeded
-				}
-
-			case <-after:
-				return lastEvent, wait.ErrWaitTimeout
-			}
-		}
-	}
-	return lastEvent, nil
-}

vendor/k8s.io/apimachinery/pkg/watch/watch.go

@@ -20,7 +20,7 @@ import (
 	"fmt"
 	"sync"
 
-	"github.com/golang/glog"
+	"k8s.io/klog"
 
 	"k8s.io/apimachinery/pkg/runtime"
 )
@@ -44,6 +44,7 @@ const (
 	Added    EventType = "ADDED"
 	Modified EventType = "MODIFIED"
 	Deleted  EventType = "DELETED"
+	Bookmark EventType = "BOOKMARK"
 	Error    EventType = "ERROR"
 
 	DefaultChanSize int32 = 100
@@ -57,6 +58,10 @@ type Event struct {
 	// Object is:
 	//  * If Type is Added or Modified: the new state of the object.
 	//  * If Type is Deleted: the state of the object immediately before deletion.
+	//  * If Type is Bookmark: the object (instance of a type being watched) where
+	//    only ResourceVersion field is set. On successful restart of watch from a
+	//    bookmark resourceVersion, client is guaranteed to not get repeat event
+	//    nor miss any events.
 	//  * If Type is Error: *api.Status is recommended; other types may make sense
 	//    depending on context.
 	Object runtime.Object
@@ -106,7 +111,7 @@ func (f *FakeWatcher) Stop() {
 	f.Lock()
 	defer f.Unlock()
 	if !f.Stopped {
-		glog.V(4).Infof("Stopping fake watcher.")
+		klog.V(4).Infof("Stopping fake watcher.")
 		close(f.result)
 		f.Stopped = true
 	}
@@ -173,7 +178,7 @@ func (f *RaceFreeFakeWatcher) Stop() {
 	f.Lock()
 	defer f.Unlock()
 	if !f.Stopped {
-		glog.V(4).Infof("Stopping fake watcher.")
+		klog.V(4).Infof("Stopping fake watcher.")
 		close(f.result)
 		f.Stopped = true
 	}
@@ -268,3 +273,50 @@ func (f *RaceFreeFakeWatcher) Action(action EventType, obj runtime.Object) {
 		}
 	}
 }
+
+// ProxyWatcher lets you wrap your channel in watch Interface. Threadsafe.
+type ProxyWatcher struct {
+	result chan Event
+	stopCh chan struct{}
+
+	mutex   sync.Mutex
+	stopped bool
+}
+
+var _ Interface = &ProxyWatcher{}
+
+// NewProxyWatcher creates new ProxyWatcher by wrapping a channel
+func NewProxyWatcher(ch chan Event) *ProxyWatcher {
+	return &ProxyWatcher{
+		result:  ch,
+		stopCh:  make(chan struct{}),
+		stopped: false,
+	}
+}
+
+// Stop implements Interface
+func (pw *ProxyWatcher) Stop() {
+	pw.mutex.Lock()
+	defer pw.mutex.Unlock()
+	if !pw.stopped {
+		pw.stopped = true
+		close(pw.stopCh)
+	}
+}
+
+// Stopping returns true if Stop() has been called
+func (pw *ProxyWatcher) Stopping() bool {
+	pw.mutex.Lock()
+	defer pw.mutex.Unlock()
+	return pw.stopped
+}
+
+// ResultChan implements Interface
+func (pw *ProxyWatcher) ResultChan() <-chan Event {
+	return pw.result
+}
+
+// StopChan returns stop channel
+func (pw *ProxyWatcher) StopChan() <-chan struct{} {
+	return pw.stopCh
+}

vendor/k8s.io/apimachinery/pkg/watch/zz_generated.deepcopy.go

@@ -23,9 +23,7 @@ package watch
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *Event) DeepCopyInto(out *Event) {
 	*out = *in
-	if in.Object == nil {
-		out.Object = nil
-	} else {
+	if in.Object != nil {
 		out.Object = in.Object.DeepCopyObject()
 	}
 	return