/
imagepulljob_controller.go
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/
imagepulljob_controller.go
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/*
Copyright 2021 The Kruise 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 imagepulljob
import (
"context"
"flag"
"fmt"
"sort"
"time"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/util/retry"
"k8s.io/klog/v2"
"k8s.io/utils/clock"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/source"
"github.com/openkruise/kruise/apis/apps/defaults"
appsv1alpha1 "github.com/openkruise/kruise/apis/apps/v1alpha1"
daemonutil "github.com/openkruise/kruise/pkg/daemon/util"
"github.com/openkruise/kruise/pkg/features"
"github.com/openkruise/kruise/pkg/util"
utilclient "github.com/openkruise/kruise/pkg/util/client"
utildiscovery "github.com/openkruise/kruise/pkg/util/discovery"
"github.com/openkruise/kruise/pkg/util/expectations"
utilfeature "github.com/openkruise/kruise/pkg/util/feature"
utilimagejob "github.com/openkruise/kruise/pkg/util/imagejob"
)
func init() {
flag.IntVar(&concurrentReconciles, "imagepulljob-workers", concurrentReconciles, "Max concurrent workers for ImagePullJob controller.")
}
var (
concurrentReconciles = 3
controllerKind = appsv1alpha1.SchemeGroupVersion.WithKind("ImagePullJob")
resourceVersionExpectations = expectations.NewResourceVersionExpectation()
scaleExpectations = expectations.NewScaleExpectations()
)
const (
defaultParallelism = 1
minRequeueTime = time.Second
// SourceSecretKeyAnno is an annotations instead of label
// because the length of key may be more than 64.
SourceSecretKeyAnno = "imagepulljobs.kruise.io/source-key"
// SourceSecretUIDLabelKey is designed to select target via source secret.
SourceSecretUIDLabelKey = "imagepulljobs.kruise.io/source-uid"
// TargetOwnerReferencesAnno records the keys of imagePullJobs that refers
// the target secret. If TargetOwnerReferencesAnno is empty, means the target
// secret should be deleted.
TargetOwnerReferencesAnno = "imagepulljobs.kruise.io/references"
)
// Add creates a new ImagePullJob Controller and adds it to the Manager with default RBAC. The Manager will set fields on the Controller
// and Start it when the Manager is Started.
func Add(mgr manager.Manager) error {
if !utildiscovery.DiscoverGVK(controllerKind) || !utilfeature.DefaultFeatureGate.Enabled(features.KruiseDaemon) ||
!utilfeature.DefaultFeatureGate.Enabled(features.ImagePullJobGate) {
return nil
}
return add(mgr, newReconciler(mgr))
}
// newReconciler returns a new reconcile.Reconciler
func newReconciler(mgr manager.Manager) *ReconcileImagePullJob {
return &ReconcileImagePullJob{
Client: utilclient.NewClientFromManager(mgr, "imagepulljob-controller"),
scheme: mgr.GetScheme(),
clock: clock.RealClock{},
}
}
// add adds a new Controller to mgr with r as the reconcile.Reconciler
func add(mgr manager.Manager, r *ReconcileImagePullJob) error {
// Create a new controller
c, err := controller.New("imagepulljob-controller", mgr, controller.Options{Reconciler: r,
MaxConcurrentReconciles: concurrentReconciles, CacheSyncTimeout: util.GetControllerCacheSyncTimeout()})
if err != nil {
return err
}
// Watch for changes to ImagePullJob
err = c.Watch(&source.Kind{Type: &appsv1alpha1.ImagePullJob{}}, &handler.EnqueueRequestForObject{})
if err != nil {
return err
}
// Watch for nodeimage update to get image pull status
err = c.Watch(&source.Kind{Type: &appsv1alpha1.NodeImage{}}, &nodeImageEventHandler{Reader: mgr.GetCache()})
if err != nil {
return err
}
// Watch for pod for jobs that have pod selector
err = c.Watch(&source.Kind{Type: &v1.Pod{}}, &podEventHandler{Reader: mgr.GetCache()})
if err != nil {
return err
}
// Watch for secret for jobs that have pullSecrets
err = c.Watch(&source.Kind{Type: &v1.Secret{}}, &secretEventHandler{Reader: mgr.GetCache()})
if err != nil {
return err
}
return nil
}
var _ reconcile.Reconciler = &ReconcileImagePullJob{}
// ReconcileImagePullJob reconciles a ImagePullJob object
type ReconcileImagePullJob struct {
client.Client
scheme *runtime.Scheme
clock clock.Clock
}
// +kubebuilder:rbac:groups=apps.kruise.io,resources=imagepulljobs,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=apps.kruise.io,resources=imagepulljobs/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=apps.kruise.io,resources=imagepulljobs/finalizers,verbs=update
// Reconcile reads that state of the cluster for a ImagePullJob object and makes changes based on the state read
// and what is in the ImagePullJob.Spec
// Automatically generate RBAC rules to allow the Controller to read and write Deployments
func (r *ReconcileImagePullJob) Reconcile(_ context.Context, request reconcile.Request) (res reconcile.Result, err error) {
start := time.Now()
klog.V(5).Infof("Starting to process ImagePullJob %v", request.NamespacedName)
defer func() {
if err != nil {
klog.Warningf("Failed to process ImagePullJob %v, elapsedTime %v, error: %v", request.NamespacedName, time.Since(start), err)
} else if res.RequeueAfter > 0 {
klog.Infof("Finish to process ImagePullJob %v, elapsedTime %v, RetryAfter %v", request.NamespacedName, time.Since(start), res.RequeueAfter)
} else {
klog.Infof("Finish to process ImagePullJob %v, elapsedTime %v", request.NamespacedName, time.Since(start))
}
}()
// Fetch the ImagePullJob instance
job := &appsv1alpha1.ImagePullJob{}
err = r.Get(context.TODO(), request.NamespacedName, job)
if err != nil {
if errors.IsNotFound(err) {
// Object not found, return. Created objects are automatically garbage collected.
// For additional cleanup logic use finalizers.
return reconcile.Result{}, nil
}
// Error reading the object - requeue the request.
return reconcile.Result{}, err
}
// If scale expectations have not satisfied yet, just skip this reconcile
if scaleSatisfied, unsatisfiedDuration, dirtyData := scaleExpectations.SatisfiedExpectations(request.String()); !scaleSatisfied {
if unsatisfiedDuration >= expectations.ExpectationTimeout {
klog.Warningf("ImagePullJob: expectation unsatisfied overtime for %v, dirtyData=%v, overtime=%v", request.String(), dirtyData, unsatisfiedDuration)
return reconcile.Result{}, nil
}
klog.V(4).Infof("ImagePullJob: not satisfied scale for %v, dirtyData=%v", request.String(), dirtyData)
return reconcile.Result{RequeueAfter: expectations.ExpectationTimeout - unsatisfiedDuration}, nil
}
// If resourceVersion expectations have not satisfied yet, just skip this reconcile
resourceVersionExpectations.Observe(job)
if isSatisfied, unsatisfiedDuration := resourceVersionExpectations.IsSatisfied(job); !isSatisfied {
if unsatisfiedDuration >= expectations.ExpectationTimeout {
klog.Warningf("Expectation unsatisfied overtime for %v, timeout=%v", request.String(), unsatisfiedDuration)
return reconcile.Result{}, nil
}
klog.V(4).Infof("Not satisfied resourceVersion for %v", request.String())
return reconcile.Result{RequeueAfter: expectations.ExpectationTimeout - unsatisfiedDuration}, nil
}
if job.DeletionTimestamp != nil {
// ensure the GC of secrets and remove protection finalizer
return reconcile.Result{}, r.finalize(job)
}
// The Job has been finished
if job.Status.CompletionTime != nil {
// ensure the GC of secrets and remove protection finalizer
if err = r.finalize(job); err != nil {
return reconcile.Result{}, fmt.Errorf("failed to remove finalizer: %v", err)
}
var leftTime time.Duration
if job.Spec.CompletionPolicy.TTLSecondsAfterFinished != nil {
leftTime = time.Duration(*job.Spec.CompletionPolicy.TTLSecondsAfterFinished)*time.Second - time.Since(job.Status.CompletionTime.Time)
if leftTime <= 0 {
klog.Infof("Deleting ImagePullJob %s/%s for ttlSecondsAfterFinished", job.Namespace, job.Name)
if err = r.Delete(context.TODO(), job); err != nil {
return reconcile.Result{}, fmt.Errorf("delete job error: %v", err)
}
return reconcile.Result{}, nil
}
}
return reconcile.Result{RequeueAfter: leftTime}, nil
}
// add protection finalizer to ensure the GC of secrets
if err = r.addProtectionFinalizer(job); err != nil {
return reconcile.Result{}, err
}
// Get all NodeImage related to this ImagePullJob
nodeImages, err := utilimagejob.GetNodeImagesForJob(r.Client, job)
if err != nil {
return reconcile.Result{}, fmt.Errorf("failed to get NodeImages: %v", err)
}
// If resourceVersion expectations have not satisfied yet, just skip this reconcile
for _, nodeImage := range nodeImages {
resourceVersionExpectations.Observe(nodeImage)
if isSatisfied, unsatisfiedDuration := resourceVersionExpectations.IsSatisfied(nodeImage); !isSatisfied {
if unsatisfiedDuration >= expectations.ExpectationTimeout {
klog.Warningf("Expectation unsatisfied overtime for %v, wait for NodeImage %v updating, timeout=%v", request.String(), nodeImage.Name, unsatisfiedDuration)
return reconcile.Result{}, nil
}
klog.V(4).Infof("Not satisfied resourceVersion for %v, wait for NodeImage %v updating", request.String(), nodeImage.Name)
// fix issue https://github.com/openkruise/kruise/issues/1528
return reconcile.Result{RequeueAfter: time.Second * 5}, nil
}
}
// sync secret to kruise-daemon-config namespace before pulling
secrets, err := r.syncSecrets(job)
if err != nil {
return reconcile.Result{}, fmt.Errorf("failed to sync secrets: %v", err)
}
// Calculate the new status for this job
newStatus, notSyncedNodeImages, err := r.calculateStatus(job, nodeImages, secrets)
if err != nil {
return reconcile.Result{}, fmt.Errorf("failed to calculate status: %v", err)
}
// Sync image to more NodeImages
if err = r.syncNodeImages(job, newStatus, notSyncedNodeImages, secrets); err != nil {
return reconcile.Result{}, fmt.Errorf("failed to sync NodeImages: %v", err)
}
if !util.IsJSONObjectEqual(&job.Status, newStatus) {
job.Status = *newStatus
if err = r.Status().Update(context.TODO(), job); err != nil {
return reconcile.Result{}, fmt.Errorf("update ImagePullJob status error: %v", err)
}
resourceVersionExpectations.Expect(job)
return reconcile.Result{}, nil
}
if job.Spec.CompletionPolicy.Type != appsv1alpha1.Never && job.Spec.CompletionPolicy.ActiveDeadlineSeconds != nil {
leftTime := time.Duration(*job.Spec.CompletionPolicy.ActiveDeadlineSeconds)*time.Second - time.Since(newStatus.StartTime.Time)
if leftTime < minRequeueTime {
leftTime = minRequeueTime
}
return reconcile.Result{RequeueAfter: leftTime}, nil
}
return reconcile.Result{}, nil
}
func (r *ReconcileImagePullJob) syncSecrets(job *appsv1alpha1.ImagePullJob) ([]appsv1alpha1.ReferenceObject, error) {
if job.Namespace == util.GetKruiseDaemonConfigNamespace() {
return getSecrets(job), nil // Ignore this special case.
}
targetMap, deleteMap, err := r.getTargetSecretMap(job)
if err != nil {
return nil, err
}
if err = r.releaseTargetSecrets(deleteMap, job); err != nil {
return nil, err
}
if job.DeletionTimestamp != nil || job.Status.CompletionTime != nil {
return nil, r.releaseTargetSecrets(targetMap, job)
}
if err = r.checkNamespaceExists(util.GetKruiseDaemonConfigNamespace()); err != nil {
return nil, fmt.Errorf("failed to check kruise-daemon-config namespace: %v", err)
}
return r.syncTargetSecrets(job, targetMap)
}
func (r *ReconcileImagePullJob) syncNodeImages(job *appsv1alpha1.ImagePullJob, newStatus *appsv1alpha1.ImagePullJobStatus, notSyncedNodeImages []string, secrets []appsv1alpha1.ReferenceObject) error {
if len(notSyncedNodeImages) == 0 {
return nil
}
parallelismLimit := defaultParallelism
if job.Spec.Parallelism != nil {
parallelismLimit = job.Spec.Parallelism.IntValue()
}
parallelism := parallelismLimit - int(newStatus.Active)
if parallelism <= 0 {
klog.V(3).Infof("Find ImagePullJob %s/%s have active pulling %d >= parallelism %d, so skip to sync the left %d NodeImages",
job.Namespace, job.Name, newStatus.Active, parallelismLimit, len(notSyncedNodeImages))
return nil
}
if len(notSyncedNodeImages) < parallelism {
parallelism = len(notSyncedNodeImages)
}
ownerRef := getOwnerRef(job)
pullPolicy := getImagePullPolicy(job)
now := metav1.NewTime(r.clock.Now())
imageName, imageTag, _ := daemonutil.NormalizeImageRefToNameTag(job.Spec.Image)
for i := 0; i < parallelism; i++ {
var skip bool
updateErr := retry.RetryOnConflict(retry.DefaultBackoff, func() error {
nodeImage := appsv1alpha1.NodeImage{}
if err := r.Get(context.TODO(), types.NamespacedName{Name: notSyncedNodeImages[i]}, &nodeImage); err != nil {
return err
}
if nodeImage.Spec.Images == nil {
nodeImage.Spec.Images = make(map[string]appsv1alpha1.ImageSpec, 1)
}
imageSpec := nodeImage.Spec.Images[imageName]
imageSpec.SandboxConfig = job.Spec.SandboxConfig
for _, secret := range secrets {
if !containsObject(imageSpec.PullSecrets, secret) {
imageSpec.PullSecrets = append(imageSpec.PullSecrets, secret)
}
}
var found bool
for i := range imageSpec.Tags {
tagSpec := &imageSpec.Tags[i]
if tagSpec.Tag != imageTag {
continue
}
if util.ContainsObjectRef(tagSpec.OwnerReferences, *ownerRef) {
skip = true
return nil
}
// increase version to start a new round of image downloads
tagSpec.Version++
// merge owner reference
tagSpec.OwnerReferences = append(tagSpec.OwnerReferences, *ownerRef)
tagSpec.CreatedAt = &now
tagSpec.ImagePullPolicy = job.Spec.ImagePullPolicy
found = true
break
}
if !found {
var foundVersion int64 = -1
if imageStatus, ok := nodeImage.Status.ImageStatuses[imageName]; ok {
for _, tagStatus := range imageStatus.Tags {
if tagStatus.Tag == imageTag {
foundVersion = tagStatus.Version
break
}
}
}
imageSpec.Tags = append(imageSpec.Tags, appsv1alpha1.ImageTagSpec{
Tag: imageTag,
Version: foundVersion + 1,
PullPolicy: pullPolicy,
OwnerReferences: []v1.ObjectReference{*ownerRef},
CreatedAt: &now,
})
}
utilimagejob.SortSpecImageTags(&imageSpec)
nodeImage.Spec.Images[imageName] = imageSpec
oldResourceVersion := nodeImage.ResourceVersion
err := r.Update(context.TODO(), &nodeImage)
if err != nil {
return err
}
if oldResourceVersion != nodeImage.ResourceVersion {
resourceVersionExpectations.Expect(&nodeImage)
}
return nil
})
if updateErr != nil {
return fmt.Errorf("update NodeImage %s error: %v", notSyncedNodeImages[i], updateErr)
} else if skip {
klog.V(4).Infof("ImagePullJob %s/%s find %s already synced in NodeImage %s", job.Namespace, job.Name, job.Spec.Image, notSyncedNodeImages[i])
continue
}
klog.V(3).Infof("ImagePullJob %s/%s has synced %s into NodeImage %s", job.Namespace, job.Name, job.Spec.Image, notSyncedNodeImages[i])
}
return nil
}
func (r *ReconcileImagePullJob) getTargetSecretMap(job *appsv1alpha1.ImagePullJob) (map[string]*v1.Secret, map[string]*v1.Secret, error) {
options := client.ListOptions{
Namespace: util.GetKruiseDaemonConfigNamespace(),
}
targetLister := &v1.SecretList{}
if err := r.List(context.TODO(), targetLister, &options, utilclient.DisableDeepCopy); err != nil {
return nil, nil, err
}
jobKey := keyFromObject(job)
sourceReferences := getSecrets(job)
deleteMap := make(map[string]*v1.Secret)
targetMap := make(map[string]*v1.Secret, len(targetLister.Items))
for i := range targetLister.Items {
target := &targetLister.Items[i]
if target.DeletionTimestamp != nil {
continue
}
keySet := referenceSetFromTarget(target)
if !keySet.Contains(jobKey) {
continue
}
sourceNs, sourceName, err := cache.SplitMetaNamespaceKey(target.Annotations[SourceSecretKeyAnno])
if err != nil {
klog.Warningf("Failed to parse source key from target %s annotations: %s", target.Name, err)
}
if containsObject(sourceReferences, appsv1alpha1.ReferenceObject{Namespace: sourceNs, Name: sourceName}) {
targetMap[target.Labels[SourceSecretUIDLabelKey]] = target
} else {
deleteMap[target.Labels[SourceSecretUIDLabelKey]] = target
}
}
return targetMap, deleteMap, nil
}
func (r *ReconcileImagePullJob) releaseTargetSecrets(targetMap map[string]*v1.Secret, job *appsv1alpha1.ImagePullJob) error {
if len(targetMap) == 0 {
return nil
}
jobKey := keyFromObject(job)
for _, secret := range targetMap {
if secret == nil {
continue
}
keySet := referenceSetFromTarget(secret)
// Remove the reference to this job from target, we use Update instead of
// Patch to make sure we do not delete any targets that is still referred,
// because a target may be newly referred in this reconcile round.
if keySet.Contains(keyFromObject(job)) {
keySet.Delete(jobKey)
secret = secret.DeepCopy()
secret.Annotations[TargetOwnerReferencesAnno] = keySet.String()
if err := r.Update(context.TODO(), secret); err != nil {
return err
}
resourceVersionExpectations.Expect(secret)
}
// The target is still referred by other jobs, do not delete it.
if !keySet.IsEmpty() {
return nil
}
// Just delete it if no one refers it anymore.
if err := r.Delete(context.TODO(), secret); err != nil && !errors.IsNotFound(err) {
return err
}
}
return nil
}
func (r *ReconcileImagePullJob) syncTargetSecrets(job *appsv1alpha1.ImagePullJob, targetMap map[string]*v1.Secret) ([]appsv1alpha1.ReferenceObject, error) {
sourceReferences := getSecrets(job)
targetReferences := make([]appsv1alpha1.ReferenceObject, 0, len(sourceReferences))
for _, sourceRef := range sourceReferences {
source := &v1.Secret{}
if err := r.Get(context.TODO(), keyFromRef(sourceRef), source); err != nil {
if errors.IsNotFound(err) {
continue
}
return nil, err
}
target := targetMap[string(source.UID)]
switch action := computeTargetSyncAction(source, target, job); action {
case create:
referenceKeys := makeReferenceSet(keyFromObject(job))
target = targetFromSource(source, referenceKeys)
scaleExpectations.ExpectScale(keyFromObject(job).String(), expectations.Create, string(source.UID))
if err := r.Create(context.TODO(), target); err != nil {
scaleExpectations.ObserveScale(keyFromObject(job).String(), expectations.Create, string(source.UID))
return nil, err
}
case update:
referenceKeys := referenceSetFromTarget(target).Insert(keyFromObject(job))
target = updateTarget(target, source, referenceKeys)
if err := r.Update(context.TODO(), target); err != nil {
return nil, err
}
resourceVersionExpectations.Expect(target)
}
targetReferences = append(targetReferences, appsv1alpha1.ReferenceObject{Namespace: target.Namespace, Name: target.Name})
}
return targetReferences, nil
}
func (r *ReconcileImagePullJob) calculateStatus(job *appsv1alpha1.ImagePullJob, nodeImages []*appsv1alpha1.NodeImage, secrets []appsv1alpha1.ReferenceObject) (*appsv1alpha1.ImagePullJobStatus, []string, error) {
newStatus := appsv1alpha1.ImagePullJobStatus{
StartTime: job.Status.StartTime,
Desired: int32(len(nodeImages)),
}
now := metav1.NewTime(r.clock.Now())
if newStatus.StartTime == nil {
newStatus.StartTime = &now
}
imageName, imageTag, err := daemonutil.NormalizeImageRefToNameTag(job.Spec.Image)
if err != nil {
return nil, nil, fmt.Errorf("invalid image %s: %v", job.Spec.Image, err)
}
var notSynced, pulling, succeeded, failed []string
for _, nodeImage := range nodeImages {
var tagVersion int64 = -1
var secretSynced bool = true
if imageSpec, ok := nodeImage.Spec.Images[imageName]; ok {
for _, secret := range secrets {
if !containsObject(imageSpec.PullSecrets, secret) {
secretSynced = false
break
}
}
if !secretSynced {
notSynced = append(notSynced, nodeImage.Name)
continue
}
for _, tagSpec := range imageSpec.Tags {
if tagSpec.Tag != imageTag {
continue
}
var foundOwner bool
for _, ref := range tagSpec.OwnerReferences {
if ref.UID == job.UID {
foundOwner = true
break
}
}
if !foundOwner {
break
}
tagVersion = tagSpec.Version
}
}
if tagVersion < 0 {
notSynced = append(notSynced, nodeImage.Name)
continue
}
imageStatus, ok := nodeImage.Status.ImageStatuses[imageName]
if !ok {
pulling = append(pulling, nodeImage.Name)
}
for _, tagStatus := range imageStatus.Tags {
if tagStatus.Tag != imageTag {
continue
}
if tagStatus.Version != tagVersion {
pulling = append(pulling, nodeImage.Name)
break
}
switch tagStatus.Phase {
case appsv1alpha1.ImagePhaseSucceeded:
succeeded = append(succeeded, nodeImage.Name)
case appsv1alpha1.ImagePhaseFailed:
failed = append(failed, nodeImage.Name)
default:
pulling = append(pulling, nodeImage.Name)
}
break
}
}
if job.Spec.CompletionPolicy.Type != appsv1alpha1.Never && job.Spec.CompletionPolicy.ActiveDeadlineSeconds != nil && int(newStatus.Desired) != len(succeeded)+len(failed) {
if time.Duration(*job.Spec.CompletionPolicy.ActiveDeadlineSeconds)*time.Second <= time.Since(newStatus.StartTime.Time) {
newStatus.CompletionTime = &now
newStatus.Succeeded = int32(len(succeeded))
failed = append(failed, pulling...)
failed = append(failed, notSynced...)
newStatus.Failed = int32(len(failed))
newStatus.FailedNodes = failed
newStatus.Message = "job exceeds activeDeadlineSeconds"
return &newStatus, nil, nil
}
}
newStatus.Active = int32(len(pulling))
newStatus.Succeeded = int32(len(succeeded))
newStatus.Failed = int32(len(failed))
newStatus.FailedNodes = failed
if job.Spec.CompletionPolicy.Type != appsv1alpha1.Never && (newStatus.Desired-newStatus.Succeeded-newStatus.Failed) == 0 {
newStatus.CompletionTime = &now
}
newStatus.Message = formatStatusMessage(&newStatus)
sort.Strings(newStatus.FailedNodes)
return &newStatus, notSynced, nil
}
func (r *ReconcileImagePullJob) checkNamespaceExists(nsName string) error {
namespace := v1.Namespace{}
return r.Get(context.TODO(), types.NamespacedName{Name: nsName}, &namespace)
}
// addProtectionFinalizer ensure the GC of secrets in kruise-daemon-config ns
func (r *ReconcileImagePullJob) addProtectionFinalizer(job *appsv1alpha1.ImagePullJob) error {
if controllerutil.ContainsFinalizer(job, defaults.ProtectionFinalizer) {
return nil
}
job.Finalizers = append(job.Finalizers, defaults.ProtectionFinalizer)
return r.Update(context.TODO(), job)
}
// finalize also ensure the GC of secrets in kruise-daemon-config ns
func (r *ReconcileImagePullJob) finalize(job *appsv1alpha1.ImagePullJob) error {
if !controllerutil.ContainsFinalizer(job, defaults.ProtectionFinalizer) {
return nil
}
if _, err := r.syncSecrets(job); err != nil {
return err
}
controllerutil.RemoveFinalizer(job, defaults.ProtectionFinalizer)
return r.Update(context.TODO(), job)
}