mirror of https://github.com/openkruise/kruise.git
105 lines
4.0 KiB
Go
105 lines
4.0 KiB
Go
/*
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Copyright 2019 The Kruise Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cloneset
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import (
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"context"
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appsv1alpha1 "github.com/openkruise/kruise/apis/apps/v1alpha1"
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clonesetcore "github.com/openkruise/kruise/pkg/controller/cloneset/core"
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clonesetutils "github.com/openkruise/kruise/pkg/controller/cloneset/utils"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/util/retry"
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"k8s.io/klog/v2"
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"sigs.k8s.io/controller-runtime/pkg/client"
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)
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// StatusUpdater is interface for updating CloneSet status.
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type StatusUpdater interface {
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UpdateCloneSetStatus(cs *appsv1alpha1.CloneSet, newStatus *appsv1alpha1.CloneSetStatus, pods []*v1.Pod) error
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}
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func newStatusUpdater(c client.Client) StatusUpdater {
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return &realStatusUpdater{Client: c}
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}
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type realStatusUpdater struct {
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client.Client
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}
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func (r *realStatusUpdater) UpdateCloneSetStatus(cs *appsv1alpha1.CloneSet, newStatus *appsv1alpha1.CloneSetStatus, pods []*v1.Pod) error {
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r.calculateStatus(cs, newStatus, pods)
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if r.inconsistentStatus(cs, newStatus) {
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klog.Infof("To update CloneSet status for %s/%s, replicas=%d ready=%d available=%d updated=%d updatedReady=%d, revisions current=%s update=%s",
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cs.Namespace, cs.Name, newStatus.Replicas, newStatus.ReadyReplicas, newStatus.AvailableReplicas, newStatus.UpdatedReplicas, newStatus.UpdatedReadyReplicas, newStatus.CurrentRevision, newStatus.UpdateRevision)
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if err := r.updateStatus(cs, newStatus); err != nil {
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return err
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}
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}
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return clonesetcore.New(cs).ExtraStatusCalculation(newStatus, pods)
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}
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func (r *realStatusUpdater) updateStatus(cs *appsv1alpha1.CloneSet, newStatus *appsv1alpha1.CloneSetStatus) error {
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return retry.RetryOnConflict(retry.DefaultBackoff, func() error {
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clone := &appsv1alpha1.CloneSet{}
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if err := r.Get(context.TODO(), types.NamespacedName{Namespace: cs.Namespace, Name: cs.Name}, clone); err != nil {
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return err
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}
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clone.Status = *newStatus
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clone.Annotations = cs.Annotations
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return r.Status().Update(context.TODO(), clone)
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})
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}
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func (r *realStatusUpdater) inconsistentStatus(cs *appsv1alpha1.CloneSet, newStatus *appsv1alpha1.CloneSetStatus) bool {
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oldStatus := cs.Status
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return newStatus.ObservedGeneration > oldStatus.ObservedGeneration ||
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newStatus.Replicas != oldStatus.Replicas ||
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newStatus.ReadyReplicas != oldStatus.ReadyReplicas ||
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newStatus.AvailableReplicas != oldStatus.AvailableReplicas ||
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newStatus.UpdatedReadyReplicas != oldStatus.UpdatedReadyReplicas ||
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newStatus.UpdatedReplicas != oldStatus.UpdatedReplicas ||
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newStatus.UpdateRevision != oldStatus.UpdateRevision ||
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newStatus.CurrentRevision != oldStatus.CurrentRevision ||
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newStatus.LabelSelector != oldStatus.LabelSelector
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}
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func (r *realStatusUpdater) calculateStatus(cs *appsv1alpha1.CloneSet, newStatus *appsv1alpha1.CloneSetStatus, pods []*v1.Pod) {
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coreControl := clonesetcore.New(cs)
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for _, pod := range pods {
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newStatus.Replicas++
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if coreControl.IsPodUpdateReady(pod, 0) {
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newStatus.ReadyReplicas++
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}
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if coreControl.IsPodUpdateReady(pod, cs.Spec.MinReadySeconds) {
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newStatus.AvailableReplicas++
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}
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if clonesetutils.EqualToRevisionHash("", pod, newStatus.UpdateRevision) {
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newStatus.UpdatedReplicas++
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}
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if clonesetutils.EqualToRevisionHash("", pod, newStatus.UpdateRevision) && coreControl.IsPodUpdateReady(pod, 0) {
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newStatus.UpdatedReadyReplicas++
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}
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}
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if newStatus.UpdatedReplicas == newStatus.Replicas &&
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newStatus.ReadyReplicas == newStatus.Replicas {
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newStatus.CurrentRevision = newStatus.UpdateRevision
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}
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}
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