sync: update go.mod

[1.26][CVE-2024-24786] Bump github.com/golang/protobuf v1.5.4, google.golang.org/protobuf v1.33.0

Kubernetes-commit: 5e75c65d899846e423181393404586e9ff9aeb68

OWNERS

@@ -1,11 +1,9 @@
 # See the OWNERS docs at https://go.k8s.io/owners
 
 approvers:
-  - deads2k
   - sttts
   - munnerz
 reviewers:
-  - deads2k
   - sttts
   - munnerz
   - nikhita

README.md

@@ -126,8 +126,6 @@ type User struct {
 }
 ```
 
-Note, the JSON tag `json:` is required on all user facing fields within your type. Typically API types contain only user facing fields. When the JSON tag is omitted from the field, Kubernetes generators consider the field to be internal and will not expose the field in their generated external output. For example, this means that the field would not be included in a generated CRD schema.
-
 ## Validation
 
 To validate custom resources, use the [`CustomResourceValidation`](https://kubernetes.io/docs/tasks/access-kubernetes-api/extend-api-custom-resource-definitions/#validation) feature. Validation in the form of a [structured schema](https://kubernetes.io/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definitions/#specifying-a-structural-schema) is mandatory to be provided for `apiextensions.k8s.io/v1`.

controller.go

@@ -86,19 +86,16 @@ type Controller struct {
 
 // NewController returns a new sample controller
 func NewController(
-	ctx context.Context,
 	kubeclientset kubernetes.Interface,
 	sampleclientset clientset.Interface,
 	deploymentInformer appsinformers.DeploymentInformer,
 	fooInformer informers.FooInformer) *Controller {
-	logger := klog.FromContext(ctx)
 
 	// Create event broadcaster
 	// Add sample-controller types to the default Kubernetes Scheme so Events can be
 	// logged for sample-controller types.
 	utilruntime.Must(samplescheme.AddToScheme(scheme.Scheme))
-	logger.V(4).Info("Creating event broadcaster")
-
+	klog.V(4).Info("Creating event broadcaster")
 	eventBroadcaster := record.NewBroadcaster()
 	eventBroadcaster.StartStructuredLogging(0)
 	eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: kubeclientset.CoreV1().Events("")})
@@ -115,7 +112,7 @@ func NewController(
 		recorder:          recorder,
 	}
 
-	logger.Info("Setting up event handlers")
+	klog.Info("Setting up event handlers")
 	// Set up an event handler for when Foo resources change
 	fooInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
 		AddFunc: controller.enqueueFoo,
@@ -151,30 +148,28 @@ func NewController(
 // as syncing informer caches and starting workers. It will block until stopCh
 // is closed, at which point it will shutdown the workqueue and wait for
 // workers to finish processing their current work items.
-func (c *Controller) Run(ctx context.Context, workers int) error {
+func (c *Controller) Run(workers int, stopCh <-chan struct{}) error {
 	defer utilruntime.HandleCrash()
 	defer c.workqueue.ShutDown()
-	logger := klog.FromContext(ctx)
 
 	// Start the informer factories to begin populating the informer caches
-	logger.Info("Starting Foo controller")
+	klog.Info("Starting Foo controller")
 
 	// Wait for the caches to be synced before starting workers
-	logger.Info("Waiting for informer caches to sync")
-
-	if ok := cache.WaitForCacheSync(ctx.Done(), c.deploymentsSynced, c.foosSynced); !ok {
+	klog.Info("Waiting for informer caches to sync")
+	if ok := cache.WaitForCacheSync(stopCh, c.deploymentsSynced, c.foosSynced); !ok {
 		return fmt.Errorf("failed to wait for caches to sync")
 	}
 
-	logger.Info("Starting workers", "count", workers)
+	klog.Info("Starting workers")
 	// Launch two workers to process Foo resources
 	for i := 0; i < workers; i++ {
-		go wait.UntilWithContext(ctx, c.runWorker, time.Second)
+		go wait.Until(c.runWorker, time.Second, stopCh)
 	}
 
-	logger.Info("Started workers")
-	<-ctx.Done()
-	logger.Info("Shutting down workers")
+	klog.Info("Started workers")
+	<-stopCh
+	klog.Info("Shutting down workers")
 
 	return nil
 }
@@ -182,16 +177,15 @@ func (c *Controller) Run(ctx context.Context, workers int) error {
 // runWorker is a long-running function that will continually call the
 // processNextWorkItem function in order to read and process a message on the
 // workqueue.
-func (c *Controller) runWorker(ctx context.Context) {
-	for c.processNextWorkItem(ctx) {
+func (c *Controller) runWorker() {
+	for c.processNextWorkItem() {
 	}
 }
 
 // processNextWorkItem will read a single work item off the workqueue and
 // attempt to process it, by calling the syncHandler.
-func (c *Controller) processNextWorkItem(ctx context.Context) bool {
+func (c *Controller) processNextWorkItem() bool {
 	obj, shutdown := c.workqueue.Get()
-	logger := klog.FromContext(ctx)
 
 	if shutdown {
 		return false
@@ -223,7 +217,7 @@ func (c *Controller) processNextWorkItem(ctx context.Context) bool {
 		}
 		// Run the syncHandler, passing it the namespace/name string of the
 		// Foo resource to be synced.
-		if err := c.syncHandler(ctx, key); err != nil {
+		if err := c.syncHandler(key); err != nil {
 			// Put the item back on the workqueue to handle any transient errors.
 			c.workqueue.AddRateLimited(key)
 			return fmt.Errorf("error syncing '%s': %s, requeuing", key, err.Error())
@@ -231,7 +225,7 @@ func (c *Controller) processNextWorkItem(ctx context.Context) bool {
 		// Finally, if no error occurs we Forget this item so it does not
 		// get queued again until another change happens.
 		c.workqueue.Forget(obj)
-		logger.Info("Successfully synced", "resourceName", key)
+		klog.Infof("Successfully synced '%s'", key)
 		return nil
 	}(obj)
 
@@ -246,10 +240,8 @@ func (c *Controller) processNextWorkItem(ctx context.Context) bool {
 // syncHandler compares the actual state with the desired, and attempts to
 // converge the two. It then updates the Status block of the Foo resource
 // with the current status of the resource.
-func (c *Controller) syncHandler(ctx context.Context, key string) error {
+func (c *Controller) syncHandler(key string) error {
 	// Convert the namespace/name string into a distinct namespace and name
-	logger := klog.LoggerWithValues(klog.FromContext(ctx), "resourceName", key)
-
 	namespace, name, err := cache.SplitMetaNamespaceKey(key)
 	if err != nil {
 		utilruntime.HandleError(fmt.Errorf("invalid resource key: %s", key))
@@ -304,7 +296,7 @@ func (c *Controller) syncHandler(ctx context.Context, key string) error {
 	// number does not equal the current desired replicas on the Deployment, we
 	// should update the Deployment resource.
 	if foo.Spec.Replicas != nil && *foo.Spec.Replicas != *deployment.Spec.Replicas {
-		logger.V(4).Info("Update deployment resource", "currentReplicas", *foo.Spec.Replicas, "desiredReplicas", *deployment.Spec.Replicas)
+		klog.V(4).Infof("Foo %s replicas: %d, deployment replicas: %d", name, *foo.Spec.Replicas, *deployment.Spec.Replicas)
 		deployment, err = c.kubeclientset.AppsV1().Deployments(foo.Namespace).Update(context.TODO(), newDeployment(foo), metav1.UpdateOptions{})
 	}
 
@@ -361,7 +353,6 @@ func (c *Controller) enqueueFoo(obj interface{}) {
 func (c *Controller) handleObject(obj interface{}) {
 	var object metav1.Object
 	var ok bool
-	logger := klog.FromContext(context.Background())
 	if object, ok = obj.(metav1.Object); !ok {
 		tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
 		if !ok {
@@ -373,9 +364,9 @@ func (c *Controller) handleObject(obj interface{}) {
 			utilruntime.HandleError(fmt.Errorf("error decoding object tombstone, invalid type"))
 			return
 		}
-		logger.V(4).Info("Recovered deleted object", "resourceName", object.GetName())
+		klog.V(4).Infof("Recovered deleted object '%s' from tombstone", object.GetName())
 	}
-	logger.V(4).Info("Processing object", "object", klog.KObj(object))
+	klog.V(4).Infof("Processing object: %s", object.GetName())
 	if ownerRef := metav1.GetControllerOf(object); ownerRef != nil {
 		// If this object is not owned by a Foo, we should not do anything more
 		// with it.
@@ -385,7 +376,7 @@ func (c *Controller) handleObject(obj interface{}) {
 
 		foo, err := c.foosLister.Foos(object.GetNamespace()).Get(ownerRef.Name)
 		if err != nil {
-			logger.V(4).Info("Ignore orphaned object", "object", klog.KObj(object), "foo", ownerRef.Name)
+			klog.V(4).Infof("ignoring orphaned object '%s/%s' of foo '%s'", object.GetNamespace(), object.GetName(), ownerRef.Name)
 			return
 		}
 

controller_test.go

@@ -17,7 +17,6 @@ limitations under the License.
 package main
 
 import (
-	"context"
 	"fmt"
 	"reflect"
 	"testing"
@@ -33,7 +32,6 @@ import (
 	core "k8s.io/client-go/testing"
 	"k8s.io/client-go/tools/cache"
 	"k8s.io/client-go/tools/record"
-	"k8s.io/klog/v2/ktesting"
 
 	samplecontroller "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
 	"k8s.io/sample-controller/pkg/generated/clientset/versioned/fake"
@@ -83,14 +81,14 @@ func newFoo(name string, replicas *int32) *samplecontroller.Foo {
 	}
 }
 
-func (f *fixture) newController(ctx context.Context) (*Controller, informers.SharedInformerFactory, kubeinformers.SharedInformerFactory) {
+func (f *fixture) newController() (*Controller, informers.SharedInformerFactory, kubeinformers.SharedInformerFactory) {
 	f.client = fake.NewSimpleClientset(f.objects...)
 	f.kubeclient = k8sfake.NewSimpleClientset(f.kubeobjects...)
 
 	i := informers.NewSharedInformerFactory(f.client, noResyncPeriodFunc())
 	k8sI := kubeinformers.NewSharedInformerFactory(f.kubeclient, noResyncPeriodFunc())
 
-	c := NewController(ctx, f.kubeclient, f.client,
+	c := NewController(f.kubeclient, f.client,
 		k8sI.Apps().V1().Deployments(), i.Samplecontroller().V1alpha1().Foos())
 
 	c.foosSynced = alwaysReady
@@ -108,22 +106,24 @@ func (f *fixture) newController(ctx context.Context) (*Controller, informers.Sha
 	return c, i, k8sI
 }
 
-func (f *fixture) run(ctx context.Context, fooName string) {
-	f.runController(ctx, fooName, true, false)
+func (f *fixture) run(fooName string) {
+	f.runController(fooName, true, false)
 }
 
-func (f *fixture) runExpectError(ctx context.Context, fooName string) {
-	f.runController(ctx, fooName, true, true)
+func (f *fixture) runExpectError(fooName string) {
+	f.runController(fooName, true, true)
 }
 
-func (f *fixture) runController(ctx context.Context, fooName string, startInformers bool, expectError bool) {
-	c, i, k8sI := f.newController(ctx)
+func (f *fixture) runController(fooName string, startInformers bool, expectError bool) {
+	c, i, k8sI := f.newController()
 	if startInformers {
-		i.Start(ctx.Done())
-		k8sI.Start(ctx.Done())
+		stopCh := make(chan struct{})
+		defer close(stopCh)
+		i.Start(stopCh)
+		k8sI.Start(stopCh)
 	}
 
-	err := c.syncHandler(ctx, fooName)
+	err := c.syncHandler(fooName)
 	if !expectError && err != nil {
 		f.t.Errorf("error syncing foo: %v", err)
 	} else if expectError && err == nil {
@@ -252,7 +252,6 @@ func getKey(foo *samplecontroller.Foo, t *testing.T) string {
 func TestCreatesDeployment(t *testing.T) {
 	f := newFixture(t)
 	foo := newFoo("test", int32Ptr(1))
-	_, ctx := ktesting.NewTestContext(t)
 
 	f.fooLister = append(f.fooLister, foo)
 	f.objects = append(f.objects, foo)
@@ -261,14 +260,12 @@ func TestCreatesDeployment(t *testing.T) {
 	f.expectCreateDeploymentAction(expDeployment)
 	f.expectUpdateFooStatusAction(foo)
 
-	f.run(ctx, getKey(foo, t))
+	f.run(getKey(foo, t))
 }
 
 func TestDoNothing(t *testing.T) {
 	f := newFixture(t)
 	foo := newFoo("test", int32Ptr(1))
-	_, ctx := ktesting.NewTestContext(t)
-
 	d := newDeployment(foo)
 
 	f.fooLister = append(f.fooLister, foo)
@@ -277,14 +274,12 @@ func TestDoNothing(t *testing.T) {
 	f.kubeobjects = append(f.kubeobjects, d)
 
 	f.expectUpdateFooStatusAction(foo)
-	f.run(ctx, getKey(foo, t))
+	f.run(getKey(foo, t))
 }
 
 func TestUpdateDeployment(t *testing.T) {
 	f := newFixture(t)
 	foo := newFoo("test", int32Ptr(1))
-	_, ctx := ktesting.NewTestContext(t)
-
 	d := newDeployment(foo)
 
 	// Update replicas
@@ -298,14 +293,12 @@ func TestUpdateDeployment(t *testing.T) {
 
 	f.expectUpdateFooStatusAction(foo)
 	f.expectUpdateDeploymentAction(expDeployment)
-	f.run(ctx, getKey(foo, t))
+	f.run(getKey(foo, t))
 }
 
 func TestNotControlledByUs(t *testing.T) {
 	f := newFixture(t)
 	foo := newFoo("test", int32Ptr(1))
-	_, ctx := ktesting.NewTestContext(t)
-
 	d := newDeployment(foo)
 
 	d.ObjectMeta.OwnerReferences = []metav1.OwnerReference{}
@@ -315,7 +308,7 @@ func TestNotControlledByUs(t *testing.T) {
 	f.deploymentLister = append(f.deploymentLister, d)
 	f.kubeobjects = append(f.kubeobjects, d)
 
-	f.runExpectError(ctx, getKey(foo, t))
+	f.runExpectError(getKey(foo, t))
 }
 
 func int32Ptr(i int32) *int32 { return &i }

go.mod

@@ -2,64 +2,56 @@
 
 module k8s.io/sample-controller
 
-go 1.20
+go 1.19
 
 require (
-	k8s.io/api v0.28.6
-	k8s.io/apimachinery v0.28.6
-	k8s.io/client-go v0.28.6
-	k8s.io/code-generator v0.28.6
-	k8s.io/klog/v2 v2.100.1
+	k8s.io/api v0.0.0-20240307174302-4143d6bf2723
+	k8s.io/apimachinery v0.0.0-20240307172550-48b9387ff76a
+	k8s.io/client-go v0.0.0-20240307175727-7adf9e8a99d7
+	k8s.io/code-generator v0.0.0-20240307184939-d0d5d3a98b59
+	k8s.io/klog/v2 v2.80.1
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
 	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
-	github.com/go-logr/logr v1.2.4 // indirect
-	github.com/go-openapi/jsonpointer v0.19.6 // indirect
-	github.com/go-openapi/jsonreference v0.20.2 // indirect
-	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-openapi/jsonpointer v0.19.5 // indirect
+	github.com/go-openapi/jsonreference v0.20.0 // indirect
+	github.com/go-openapi/swag v0.19.14 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/gnostic-models v0.6.8 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/gnostic v0.5.7-v3refs // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
-	github.com/google/gofuzz v1.2.0 // indirect
-	github.com/google/uuid v1.3.0 // indirect
+	github.com/google/gofuzz v1.1.0 // indirect
 	github.com/imdario/mergo v0.3.6 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mailru/easyjson v0.7.6 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	golang.org/x/mod v0.14.0 // indirect
-	golang.org/x/net v0.19.0 // indirect
-	golang.org/x/oauth2 v0.8.0 // indirect
-	golang.org/x/sys v0.15.0 // indirect
-	golang.org/x/term v0.15.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/oauth2 v0.7.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/term v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.16.1 // indirect
+	golang.org/x/tools v0.12.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/gengo v0.0.0-20220902162205-c0856e24416d // indirect
-	k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9 // indirect
-	k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 // indirect
-	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
+	k8s.io/kube-openapi v0.0.0-20221012153701-172d655c2280 // indirect
+	k8s.io/utils v0.0.0-20221107191617-1a15be271d1d // indirect
+	sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )
-
-replace (
-	k8s.io/api => k8s.io/api v0.28.6
-	k8s.io/apimachinery => k8s.io/apimachinery v0.28.6
-	k8s.io/client-go => k8s.io/client-go v0.28.6
-	k8s.io/code-generator => k8s.io/code-generator v0.28.6
-)

go.sum

@@ -1,43 +1,62 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/emicklei/go-restful/v3 v3.9.0 h1:XwGDlfxEnQZzuopoqxwSEllNcCOM9DhhFyhFIIGKwxE=
 github.com/emicklei/go-restful/v3 v3.9.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
+github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/evanphx/json-patch v4.12.0+incompatible h1:4onqiflcdA9EOZ4RxV643DvftH5pOlLGNtQ5lPWQu84=
 github.com/evanphx/json-patch v4.12.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
 github.com/go-logr/logr v1.2.0/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
-github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-openapi/jsonpointer v0.19.6 h1:eCs3fxoIi3Wh6vtgmLTOjdhSpiqphQ+DaPn38N2ZdrE=
-github.com/go-openapi/jsonpointer v0.19.6/go.mod h1:osyAmYz/mB/C3I+WsTTSgw1ONzaLJoLCyoi6/zppojs=
-github.com/go-openapi/jsonreference v0.20.2 h1:3sVjiK66+uXK/6oQ8xgcRKcFgQ5KXa2KvnJRumpMGbE=
-github.com/go-openapi/jsonreference v0.20.2/go.mod h1:Bl1zwGIM8/wsvqjsOQLJ/SH+En5Ap4rVB5KVcIDZG2k=
-github.com/go-openapi/swag v0.22.3 h1:yMBqmnQ0gyZvEb/+KzuWZOXgllrXT4SADYbvDaXHv/g=
-github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14=
-github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI=
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+sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
 sigs.k8s.io/structured-merge-diff/v4 v4.2.3 h1:PRbqxJClWWYMNV1dhaG4NsibJbArud9kFxnAMREiWFE=
 sigs.k8s.io/structured-merge-diff/v4 v4.2.3/go.mod h1:qjx8mGObPmV2aSZepjQjbmb2ihdVs8cGKBraizNC69E=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

hack/update-codegen.sh

@@ -21,21 +21,15 @@ set -o pipefail
 SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
 CODEGEN_PKG=${CODEGEN_PKG:-$(cd "${SCRIPT_ROOT}"; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}
 
-source "${CODEGEN_PKG}/kube_codegen.sh"
-
 # generate the code with:
 # --output-base    because this script should also be able to run inside the vendor dir of
 #                  k8s.io/kubernetes. The output-base is needed for the generators to output into the vendor dir
 #                  instead of the $GOPATH directly. For normal projects this can be dropped.
+bash "${CODEGEN_PKG}"/generate-groups.sh "deepcopy,client,informer,lister" \
+  k8s.io/sample-controller/pkg/generated k8s.io/sample-controller/pkg/apis \
+  samplecontroller:v1alpha1 \
+  --output-base "$(dirname "${BASH_SOURCE[0]}")/../../.." \
+  --go-header-file "${SCRIPT_ROOT}"/hack/boilerplate.go.txt
 
-kube::codegen::gen_helpers \
-    --input-pkg-root k8s.io/sample-controller/pkg/apis \
-    --output-base "$(dirname "${BASH_SOURCE[0]}")/../../.." \
-    --boilerplate "${SCRIPT_ROOT}/hack/boilerplate.go.txt"
-
-kube::codegen::gen_client \
-    --with-watch \
-    --input-pkg-root k8s.io/sample-controller/pkg/apis \
-    --output-pkg-root k8s.io/sample-controller/pkg/generated \
-    --output-base "$(dirname "${BASH_SOURCE[0]}")/../../.." \
-    --boilerplate "${SCRIPT_ROOT}/hack/boilerplate.go.txt"
+# To use your own boilerplate text append:
+#   --go-header-file "${SCRIPT_ROOT}"/hack/custom-boilerplate.go.txt

hack/verify-codegen.sh

@@ -18,12 +18,14 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-SCRIPT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
+SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
+
 DIFFROOT="${SCRIPT_ROOT}/pkg"
-TMP_DIFFROOT="$(mktemp -d -t "$(basename "$0").XXXXXX")/pkg"
+TMP_DIFFROOT="${SCRIPT_ROOT}/_tmp/pkg"
+_tmp="${SCRIPT_ROOT}/_tmp"
 
 cleanup() {
-  rm -rf "${TMP_DIFFROOT}"
+  rm -rf "${_tmp}"
 }
 trap "cleanup" EXIT SIGINT
 
@@ -36,7 +38,9 @@ cp -a "${DIFFROOT}"/* "${TMP_DIFFROOT}"
 echo "diffing ${DIFFROOT} against freshly generated codegen"
 ret=0
 diff -Naupr "${DIFFROOT}" "${TMP_DIFFROOT}" || ret=$?
-if [[ $ret -eq 0 ]]; then
+cp -a "${TMP_DIFFROOT}"/* "${DIFFROOT}"
+if [[ $ret -eq 0 ]]
+then
   echo "${DIFFROOT} up to date."
 else
   echo "${DIFFROOT} is out of date. Please run hack/update-codegen.sh"

main.go

@@ -24,12 +24,12 @@ import (
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/tools/clientcmd"
 	"k8s.io/klog/v2"
-	"k8s.io/sample-controller/pkg/signals"
 	// Uncomment the following line to load the gcp plugin (only required to authenticate against GKE clusters).
 	// _ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
 
 	clientset "k8s.io/sample-controller/pkg/generated/clientset/versioned"
 	informers "k8s.io/sample-controller/pkg/generated/informers/externalversions"
+	"k8s.io/sample-controller/pkg/signals"
 )
 
 var (
@@ -41,43 +41,38 @@ func main() {
 	klog.InitFlags(nil)
 	flag.Parse()
 
-	// set up signals so we handle the shutdown signal gracefully
-	ctx := signals.SetupSignalHandler()
-	logger := klog.FromContext(ctx)
+	// set up signals so we handle the first shutdown signal gracefully
+	stopCh := signals.SetupSignalHandler()
 
 	cfg, err := clientcmd.BuildConfigFromFlags(masterURL, kubeconfig)
 	if err != nil {
-		logger.Error(err, "Error building kubeconfig")
-		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+		klog.Fatalf("Error building kubeconfig: %s", err.Error())
 	}
 
 	kubeClient, err := kubernetes.NewForConfig(cfg)
 	if err != nil {
-		logger.Error(err, "Error building kubernetes clientset")
-		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+		klog.Fatalf("Error building kubernetes clientset: %s", err.Error())
 	}
 
 	exampleClient, err := clientset.NewForConfig(cfg)
 	if err != nil {
-		logger.Error(err, "Error building kubernetes clientset")
-		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+		klog.Fatalf("Error building example clientset: %s", err.Error())
 	}
 
 	kubeInformerFactory := kubeinformers.NewSharedInformerFactory(kubeClient, time.Second*30)
 	exampleInformerFactory := informers.NewSharedInformerFactory(exampleClient, time.Second*30)
 
-	controller := NewController(ctx, kubeClient, exampleClient,
+	controller := NewController(kubeClient, exampleClient,
 		kubeInformerFactory.Apps().V1().Deployments(),
 		exampleInformerFactory.Samplecontroller().V1alpha1().Foos())
 
-	// notice that there is no need to run Start methods in a separate goroutine. (i.e. go kubeInformerFactory.Start(ctx.done())
+	// notice that there is no need to run Start methods in a separate goroutine. (i.e. go kubeInformerFactory.Start(stopCh)
 	// Start method is non-blocking and runs all registered informers in a dedicated goroutine.
-	kubeInformerFactory.Start(ctx.Done())
-	exampleInformerFactory.Start(ctx.Done())
+	kubeInformerFactory.Start(stopCh)
+	exampleInformerFactory.Start(stopCh)
 
-	if err = controller.Run(ctx, 2); err != nil {
-		logger.Error(err, "Error running controller")
-		klog.FlushAndExit(klog.ExitFlushTimeout, 1)
+	if err = controller.Run(2, stopCh); err != nil {
+		klog.Fatalf("Error running controller: %s", err.Error())
 	}
 }
 

pkg/generated/clientset/versioned/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright 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.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// This package has the automatically generated clientset.
+package versioned

pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/fake/fake_foo.go

@@ -23,6 +23,7 @@ import (
 
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	labels "k8s.io/apimachinery/pkg/labels"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
 	types "k8s.io/apimachinery/pkg/types"
 	watch "k8s.io/apimachinery/pkg/watch"
 	testing "k8s.io/client-go/testing"
@@ -35,9 +36,9 @@ type FakeFoos struct {
 	ns   string
 }
 
-var foosResource = v1alpha1.SchemeGroupVersion.WithResource("foos")
+var foosResource = schema.GroupVersionResource{Group: "samplecontroller.k8s.io", Version: "v1alpha1", Resource: "foos"}
 
-var foosKind = v1alpha1.SchemeGroupVersion.WithKind("Foo")
+var foosKind = schema.GroupVersionKind{Group: "samplecontroller.k8s.io", Version: "v1alpha1", Kind: "Foo"}
 
 // Get takes name of the foo, and returns the corresponding foo object, and an error if there is any.
 func (c *FakeFoos) Get(ctx context.Context, name string, options v1.GetOptions) (result *v1alpha1.Foo, err error) {

pkg/generated/informers/externalversions/factory.go

@@ -166,7 +166,7 @@ func (f *sharedInformerFactory) WaitForCacheSync(stopCh <-chan struct{}) map[ref
 	return res
 }
 
-// InformerFor returns the SharedIndexInformer for obj using an internal
+// InternalInformerFor returns the SharedIndexInformer for obj using an internal
 // client.
 func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) cache.SharedIndexInformer {
 	f.lock.Lock()
@@ -239,7 +239,7 @@ type SharedInformerFactory interface {
 	// ForResource gives generic access to a shared informer of the matching type.
 	ForResource(resource schema.GroupVersionResource) (GenericInformer, error)
 
-	// InformerFor returns the SharedIndexInformer for obj using an internal
+	// InternalInformerFor returns the SharedIndexInformer for obj using an internal
 	// client.
 	InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) cache.SharedIndexInformer
 

pkg/signals/signal.go

@@ -17,28 +17,27 @@ limitations under the License.
 package signals
 
 import (
-	"context"
 	"os"
 	"os/signal"
 )
 
 var onlyOneSignalHandler = make(chan struct{})
 
-// SetupSignalHandler registered for SIGTERM and SIGINT. A context is returned
-// which is cancelled on one of these signals. If a second signal is caught,
-// the program is terminated with exit code 1.
-func SetupSignalHandler() context.Context {
+// SetupSignalHandler registered for SIGTERM and SIGINT. A stop channel is returned
+// which is closed on one of these signals. If a second signal is caught, the program
+// is terminated with exit code 1.
+func SetupSignalHandler() (stopCh <-chan struct{}) {
 	close(onlyOneSignalHandler) // panics when called twice
 
+	stop := make(chan struct{})
 	c := make(chan os.Signal, 2)
-	ctx, cancel := context.WithCancel(context.Background())
 	signal.Notify(c, shutdownSignals...)
 	go func() {
 		<-c
-		cancel()
+		close(stop)
 		<-c
 		os.Exit(1) // second signal. Exit directly.
 	}()
 
-	return ctx
+	return stop
 }