Switch to github.com/golang/dep for vendoring

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/k8s.io/kubernetes/pkg/kubelet/util/BUILD

@@ -0,0 +1,35 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["doc.go"],
+    tags = ["automanaged"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [
+        ":package-srcs",
+        "//pkg/kubelet/util/cache:all-srcs",
+        "//pkg/kubelet/util/csr:all-srcs",
+        "//pkg/kubelet/util/format:all-srcs",
+        "//pkg/kubelet/util/ioutils:all-srcs",
+        "//pkg/kubelet/util/queue:all-srcs",
+        "//pkg/kubelet/util/sliceutils:all-srcs",
+    ],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/kubelet/util/cache/BUILD

@@ -0,0 +1,40 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+    "go_test",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["object_cache.go"],
+    tags = ["automanaged"],
+    deps = ["//pkg/client/cache:go_default_library"],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["object_cache_test.go"],
+    library = ":go_default_library",
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/client/cache:go_default_library",
+        "//pkg/util/clock:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/kubelet/util/cache/object_cache.go

@@ -0,0 +1,84 @@
+/*
+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 cache
+
+import (
+	"time"
+
+	expirationcache "k8s.io/kubernetes/pkg/client/cache"
+)
+
+// ObjectCache is a simple wrapper of expiration cache that
+// 1. use string type key
+// 2. has an updater to get value directly if it is expired
+// 3. then update the cache
+type ObjectCache struct {
+	cache   expirationcache.Store
+	updater func() (interface{}, error)
+}
+
+// objectEntry is an object with string type key.
+type objectEntry struct {
+	key string
+	obj interface{}
+}
+
+// NewObjectCache creates ObjectCache with an updater.
+// updater returns an object to cache.
+func NewObjectCache(f func() (interface{}, error), ttl time.Duration) *ObjectCache {
+	return &ObjectCache{
+		updater: f,
+		cache:   expirationcache.NewTTLStore(stringKeyFunc, ttl),
+	}
+}
+
+// stringKeyFunc is a string as cache key function
+func stringKeyFunc(obj interface{}) (string, error) {
+	key := obj.(objectEntry).key
+	return key, nil
+}
+
+// Get gets cached objectEntry by using a unique string as the key.
+func (c *ObjectCache) Get(key string) (interface{}, error) {
+	value, ok, err := c.cache.Get(objectEntry{key: key})
+	if err != nil {
+		return nil, err
+	}
+	if !ok {
+		obj, err := c.updater()
+		if err != nil {
+			return nil, err
+		}
+		err = c.cache.Add(objectEntry{
+			key: key,
+			obj: obj,
+		})
+		if err != nil {
+			return nil, err
+		}
+		return obj, nil
+	}
+	return value.(objectEntry).obj, nil
+}
+
+func (c *ObjectCache) Add(key string, obj interface{}) error {
+	err := c.cache.Add(objectEntry{key: key, obj: obj})
+	if err != nil {
+		return err
+	}
+	return nil
+}

vendor/k8s.io/kubernetes/pkg/kubelet/util/cache/object_cache_test.go

@@ -0,0 +1,96 @@
+/*
+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 cache
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	expirationcache "k8s.io/kubernetes/pkg/client/cache"
+	"k8s.io/kubernetes/pkg/util/clock"
+)
+
+type testObject struct {
+	key string
+	val string
+}
+
+// A fake objectCache for unit test.
+func NewFakeObjectCache(f func() (interface{}, error), ttl time.Duration, clock clock.Clock) *ObjectCache {
+	ttlPolicy := &expirationcache.TTLPolicy{Ttl: ttl, Clock: clock}
+	deleteChan := make(chan string, 1)
+	return &ObjectCache{
+		updater: f,
+		cache:   expirationcache.NewFakeExpirationStore(stringKeyFunc, deleteChan, ttlPolicy, clock),
+	}
+}
+
+func TestAddAndGet(t *testing.T) {
+	testObj := testObject{
+		key: "foo",
+		val: "bar",
+	}
+	objectCache := NewFakeObjectCache(func() (interface{}, error) {
+		return nil, fmt.Errorf("Unexpected Error: updater should never be called in this test!")
+	}, 1*time.Hour, clock.NewFakeClock(time.Now()))
+
+	err := objectCache.Add(testObj.key, testObj.val)
+	if err != nil {
+		t.Errorf("Unable to add obj %#v by key: %s", testObj, testObj.key)
+	}
+	value, err := objectCache.Get(testObj.key)
+	if err != nil {
+		t.Errorf("Unable to get obj %#v by key: %s", testObj, testObj.key)
+	}
+	if value.(string) != testObj.val {
+		t.Errorf("Expected to get cached value: %#v, but got: %s", testObj.val, value.(string))
+	}
+
+}
+
+func TestExpirationBasic(t *testing.T) {
+	unexpectedVal := "bar"
+	expectedVal := "bar2"
+
+	testObj := testObject{
+		key: "foo",
+		val: unexpectedVal,
+	}
+
+	fakeClock := clock.NewFakeClock(time.Now())
+
+	objectCache := NewFakeObjectCache(func() (interface{}, error) {
+		return expectedVal, nil
+	}, 1*time.Second, fakeClock)
+
+	err := objectCache.Add(testObj.key, testObj.val)
+	if err != nil {
+		t.Errorf("Unable to add obj %#v by key: %s", testObj, testObj.key)
+	}
+
+	// sleep 2s so cache should be expired.
+	fakeClock.Sleep(2 * time.Second)
+
+	value, err := objectCache.Get(testObj.key)
+	if err != nil {
+		t.Errorf("Unable to get obj %#v by key: %s", testObj, testObj.key)
+	}
+	if value.(string) != expectedVal {
+		t.Errorf("Expected to get cached value: %#v, but got: %s", expectedVal, value.(string))
+	}
+}

vendor/k8s.io/kubernetes/pkg/kubelet/util/csr/BUILD

@@ -0,0 +1,37 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["csr.go"],
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/api/v1:go_default_library",
+        "//pkg/apis/certificates/v1alpha1:go_default_library",
+        "//pkg/client/clientset_generated/clientset/typed/certificates/v1alpha1:go_default_library",
+        "//pkg/fields:go_default_library",
+        "//pkg/util/cert:go_default_library",
+        "//vendor:k8s.io/apimachinery/pkg/apis/meta/v1",
+        "//vendor:k8s.io/apimachinery/pkg/types",
+        "//vendor:k8s.io/apimachinery/pkg/watch",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/kubelet/util/csr/csr.go

@@ -0,0 +1,108 @@
+/*
+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 csr
+
+import (
+	"crypto/x509/pkix"
+	"fmt"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/watch"
+	"k8s.io/kubernetes/pkg/api/v1"
+	certificates "k8s.io/kubernetes/pkg/apis/certificates/v1alpha1"
+	unversionedcertificates "k8s.io/kubernetes/pkg/client/clientset_generated/clientset/typed/certificates/v1alpha1"
+	"k8s.io/kubernetes/pkg/fields"
+	certutil "k8s.io/kubernetes/pkg/util/cert"
+)
+
+// RequestNodeCertificate will create a certificate signing request and send it to API server,
+// then it will watch the object's status, once approved by API server, it will return the API
+// server's issued certificate (pem-encoded). If there is any errors, or the watch timeouts,
+// it will return an error. This is intended for use on nodes (kubelet and kubeadm).
+func RequestNodeCertificate(client unversionedcertificates.CertificateSigningRequestInterface, privateKeyData []byte, nodeName types.NodeName) (certData []byte, err error) {
+	subject := &pkix.Name{
+		Organization: []string{"system:nodes"},
+		CommonName:   fmt.Sprintf("system:node:%s", nodeName),
+	}
+
+	privateKey, err := certutil.ParsePrivateKeyPEM(privateKeyData)
+	if err != nil {
+		return nil, fmt.Errorf("invalid private key for certificate request: %v", err)
+	}
+	csr, err := certutil.MakeCSR(privateKey, subject, nil, nil)
+	if err != nil {
+		return nil, fmt.Errorf("unable to generate certificate request: %v", err)
+	}
+
+	req, err := client.Create(&certificates.CertificateSigningRequest{
+		// Username, UID, Groups will be injected by API server.
+		TypeMeta:   metav1.TypeMeta{Kind: "CertificateSigningRequest"},
+		ObjectMeta: v1.ObjectMeta{GenerateName: "csr-"},
+
+		Spec: certificates.CertificateSigningRequestSpec{
+			Request: csr,
+			Usages: []certificates.KeyUsage{
+				certificates.UsageDigitalSignature,
+				certificates.UsageKeyEncipherment,
+				certificates.UsageClientAuth,
+			},
+		},
+	})
+	if err != nil {
+		return nil, fmt.Errorf("cannot create certificate signing request: %v", err)
+
+	}
+
+	// Make a default timeout = 3600s.
+	var defaultTimeoutSeconds int64 = 3600
+	resultCh, err := client.Watch(v1.ListOptions{
+		Watch:          true,
+		TimeoutSeconds: &defaultTimeoutSeconds,
+		FieldSelector:  fields.OneTermEqualSelector("metadata.name", req.Name).String(),
+	})
+	if err != nil {
+		return nil, fmt.Errorf("cannot watch on the certificate signing request: %v", err)
+	}
+
+	var status certificates.CertificateSigningRequestStatus
+	ch := resultCh.ResultChan()
+
+	for {
+		event, ok := <-ch
+		if !ok {
+			break
+		}
+
+		if event.Type == watch.Modified || event.Type == watch.Added {
+			if event.Object.(*certificates.CertificateSigningRequest).UID != req.UID {
+				continue
+			}
+			status = event.Object.(*certificates.CertificateSigningRequest).Status
+			for _, c := range status.Conditions {
+				if c.Type == certificates.CertificateDenied {
+					return nil, fmt.Errorf("certificate signing request is not approved, reason: %v, message: %v", c.Reason, c.Message)
+				}
+				if c.Type == certificates.CertificateApproved && status.Certificate != nil {
+					return status.Certificate, nil
+				}
+			}
+		}
+	}
+
+	return nil, fmt.Errorf("watch channel closed")
+}

vendor/k8s.io/kubernetes/pkg/kubelet/util/doc.go

@@ -0,0 +1,18 @@
+/*
+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.
+*/
+
+// Utility functions.
+package util // import "k8s.io/kubernetes/pkg/kubelet/util"

vendor/k8s.io/kubernetes/pkg/kubelet/util/format/BUILD

@@ -0,0 +1,46 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+    "go_test",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "pod.go",
+        "resources.go",
+    ],
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/api/v1:go_default_library",
+        "//vendor:k8s.io/apimachinery/pkg/types",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["resources_test.go"],
+    library = ":go_default_library",
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/api/resource:go_default_library",
+        "//pkg/api/v1:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/kubelet/util/format/pod.go

@@ -0,0 +1,72 @@
+/*
+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 format
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/kubernetes/pkg/api/v1"
+)
+
+type podHandler func(*v1.Pod) string
+
+// Pod returns a string representing a pod in a consistent human readable format,
+// with pod UID as part of the string.
+func Pod(pod *v1.Pod) string {
+	return PodDesc(pod.Name, pod.Namespace, pod.UID)
+}
+
+// PodDesc returns a string representing a pod in a consistent human readable format,
+// with pod UID as part of the string.
+func PodDesc(podName, podNamespace string, podUID types.UID) string {
+	// Use underscore as the delimiter because it is not allowed in pod name
+	// (DNS subdomain format), while allowed in the container name format.
+	return fmt.Sprintf("%s_%s(%s)", podName, podNamespace, podUID)
+}
+
+// PodWithDeletionTimestamp is the same as Pod. In addition, it prints the
+// deletion timestamp of the pod if it's not nil.
+func PodWithDeletionTimestamp(pod *v1.Pod) string {
+	var deletionTimestamp string
+	if pod.DeletionTimestamp != nil {
+		deletionTimestamp = ":DeletionTimestamp=" + pod.DeletionTimestamp.UTC().Format(time.RFC3339)
+	}
+	return Pod(pod) + deletionTimestamp
+}
+
+// Pods returns a string representating a list of pods in a human
+// readable format.
+func Pods(pods []*v1.Pod) string {
+	return aggregatePods(pods, Pod)
+}
+
+// PodsWithDeletiontimestamps is the same as Pods. In addition, it prints the
+// deletion timestamps of the pods if they are not nil.
+func PodsWithDeletiontimestamps(pods []*v1.Pod) string {
+	return aggregatePods(pods, PodWithDeletionTimestamp)
+}
+
+func aggregatePods(pods []*v1.Pod, handler podHandler) string {
+	podStrings := make([]string, 0, len(pods))
+	for _, pod := range pods {
+		podStrings = append(podStrings, handler(pod))
+	}
+	return fmt.Sprintf(strings.Join(podStrings, ", "))
+}

vendor/k8s.io/kubernetes/pkg/kubelet/util/format/resources.go

@@ -0,0 +1,36 @@
+/*
+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 format
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+
+	"k8s.io/kubernetes/pkg/api/v1"
+)
+
+// ResourceList returns a string representation of a resource list in a human readable format.
+func ResourceList(resources v1.ResourceList) string {
+	resourceStrings := make([]string, 0, len(resources))
+	for key, value := range resources {
+		resourceStrings = append(resourceStrings, fmt.Sprintf("%v=%v", key, value.String()))
+	}
+	// sort the results for consistent log output
+	sort.Strings(resourceStrings)
+	return strings.Join(resourceStrings, ",")
+}

vendor/k8s.io/kubernetes/pkg/kubelet/util/format/resources_test.go

@@ -0,0 +1,35 @@
+/*
+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 format
+
+import (
+	"testing"
+
+	"k8s.io/kubernetes/pkg/api/resource"
+	"k8s.io/kubernetes/pkg/api/v1"
+)
+
+func TestResourceList(t *testing.T) {
+	resourceList := v1.ResourceList{}
+	resourceList[v1.ResourceCPU] = resource.MustParse("100m")
+	resourceList[v1.ResourceMemory] = resource.MustParse("5Gi")
+	actual := ResourceList(resourceList)
+	expected := "cpu=100m,memory=5Gi"
+	if actual != expected {
+		t.Errorf("Unexpected result, actual: %v, expected: %v", actual, expected)
+	}
+}

vendor/k8s.io/kubernetes/pkg/kubelet/util/ioutils/BUILD

@@ -0,0 +1,27 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["ioutils.go"],
+    tags = ["automanaged"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/kubelet/util/ioutils/ioutils.go

@@ -0,0 +1,37 @@
+/*
+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 ioutils
+
+import "io"
+
+// writeCloserWrapper represents a WriteCloser whose closer operation is noop.
+type writeCloserWrapper struct {
+	Writer io.Writer
+}
+
+func (w *writeCloserWrapper) Write(buf []byte) (int, error) {
+	return w.Writer.Write(buf)
+}
+
+func (w *writeCloserWrapper) Close() error {
+	return nil
+}
+
+// WriteCloserWrapper returns a writeCloserWrapper.
+func WriteCloserWrapper(w io.Writer) io.WriteCloser {
+	return &writeCloserWrapper{w}
+}

vendor/k8s.io/kubernetes/pkg/kubelet/util/queue/BUILD

@@ -0,0 +1,44 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+    "go_test",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["work_queue.go"],
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/util/clock:go_default_library",
+        "//vendor:k8s.io/apimachinery/pkg/types",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["work_queue_test.go"],
+    library = ":go_default_library",
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/util/clock:go_default_library",
+        "//vendor:k8s.io/apimachinery/pkg/types",
+        "//vendor:k8s.io/apimachinery/pkg/util/sets",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/kubelet/util/queue/work_queue.go

@@ -0,0 +1,67 @@
+/*
+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 queue
+
+import (
+	"sync"
+	"time"
+
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/kubernetes/pkg/util/clock"
+)
+
+// WorkQueue allows queuing items with a timestamp. An item is
+// considered ready to process if the timestamp has expired.
+type WorkQueue interface {
+	// GetWork dequeues and returns all ready items.
+	GetWork() []types.UID
+	// Enqueue inserts a new item or overwrites an existing item.
+	Enqueue(item types.UID, delay time.Duration)
+}
+
+type basicWorkQueue struct {
+	clock clock.Clock
+	lock  sync.Mutex
+	queue map[types.UID]time.Time
+}
+
+var _ WorkQueue = &basicWorkQueue{}
+
+func NewBasicWorkQueue(clock clock.Clock) WorkQueue {
+	queue := make(map[types.UID]time.Time)
+	return &basicWorkQueue{queue: queue, clock: clock}
+}
+
+func (q *basicWorkQueue) GetWork() []types.UID {
+	q.lock.Lock()
+	defer q.lock.Unlock()
+	now := q.clock.Now()
+	var items []types.UID
+	for k, v := range q.queue {
+		if v.Before(now) {
+			items = append(items, k)
+			delete(q.queue, k)
+		}
+	}
+	return items
+}
+
+func (q *basicWorkQueue) Enqueue(item types.UID, delay time.Duration) {
+	q.lock.Lock()
+	defer q.lock.Unlock()
+	q.queue[item] = q.clock.Now().Add(delay)
+}

vendor/k8s.io/kubernetes/pkg/kubelet/util/queue/work_queue_test.go

@@ -0,0 +1,65 @@
+/*
+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 queue
+
+import (
+	"testing"
+	"time"
+
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/sets"
+	"k8s.io/kubernetes/pkg/util/clock"
+)
+
+func newTestBasicWorkQueue() (*basicWorkQueue, *clock.FakeClock) {
+	fakeClock := clock.NewFakeClock(time.Now())
+	wq := &basicWorkQueue{
+		clock: fakeClock,
+		queue: make(map[types.UID]time.Time),
+	}
+	return wq, fakeClock
+}
+
+func compareResults(t *testing.T, expected, actual []types.UID) {
+	expectedSet := sets.NewString()
+	for _, u := range expected {
+		expectedSet.Insert(string(u))
+	}
+	actualSet := sets.NewString()
+	for _, u := range actual {
+		actualSet.Insert(string(u))
+	}
+	if !expectedSet.Equal(actualSet) {
+		t.Errorf("Expected %#v, got %#v", expectedSet.List(), actualSet.List())
+	}
+}
+
+func TestGetWork(t *testing.T) {
+	q, clock := newTestBasicWorkQueue()
+	q.Enqueue(types.UID("foo1"), -1*time.Minute)
+	q.Enqueue(types.UID("foo2"), -1*time.Minute)
+	q.Enqueue(types.UID("foo3"), 1*time.Minute)
+	q.Enqueue(types.UID("foo4"), 1*time.Minute)
+	expected := []types.UID{types.UID("foo1"), types.UID("foo2")}
+	compareResults(t, expected, q.GetWork())
+	compareResults(t, []types.UID{}, q.GetWork())
+	// Dial the time to 1 hour ahead.
+	clock.Step(time.Hour)
+	expected = []types.UID{types.UID("foo3"), types.UID("foo4")}
+	compareResults(t, expected, q.GetWork())
+	compareResults(t, []types.UID{}, q.GetWork())
+}

vendor/k8s.io/kubernetes/pkg/kubelet/util/sliceutils/BUILD

@@ -0,0 +1,31 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["sliceutils.go"],
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/api/v1:go_default_library",
+        "//pkg/kubelet/container:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/kubelet/util/sliceutils/sliceutils.go

@@ -0,0 +1,58 @@
+/*
+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 sliceutils
+
+import (
+	"k8s.io/kubernetes/pkg/api/v1"
+	kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
+)
+
+func StringInSlice(s string, list []string) bool {
+	for _, v := range list {
+		if v == s {
+			return true
+		}
+	}
+
+	return false
+}
+
+// PodsByCreationTime makes an array of pods sortable by their creation
+// timestamps in ascending order.
+type PodsByCreationTime []*v1.Pod
+
+func (s PodsByCreationTime) Len() int {
+	return len(s)
+}
+
+func (s PodsByCreationTime) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}
+
+func (s PodsByCreationTime) Less(i, j int) bool {
+	return s[i].CreationTimestamp.Before(s[j].CreationTimestamp)
+}
+
+// ByImageSize makes an array of images sortable by their size in descending
+// order.
+type ByImageSize []kubecontainer.Image
+
+func (a ByImageSize) Less(i, j int) bool {
+	return a[i].Size > a[j].Size
+}
+func (a ByImageSize) Len() int      { return len(a) }
+func (a ByImageSize) Swap(i, j int) { a[i], a[j] = a[j], a[i] }