kruise/pkg/controller/cloneset/cloneset_status.go

105 lines
4.0 KiB
Go

/*
Copyright 2019 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 cloneset
import (
"context"
appsv1alpha1 "github.com/openkruise/kruise/apis/apps/v1alpha1"
clonesetcore "github.com/openkruise/kruise/pkg/controller/cloneset/core"
clonesetutils "github.com/openkruise/kruise/pkg/controller/cloneset/utils"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/util/retry"
"k8s.io/klog/v2"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// StatusUpdater is interface for updating CloneSet status.
type StatusUpdater interface {
UpdateCloneSetStatus(cs *appsv1alpha1.CloneSet, newStatus *appsv1alpha1.CloneSetStatus, pods []*v1.Pod) error
}
func newStatusUpdater(c client.Client) StatusUpdater {
return &realStatusUpdater{Client: c}
}
type realStatusUpdater struct {
client.Client
}
func (r *realStatusUpdater) UpdateCloneSetStatus(cs *appsv1alpha1.CloneSet, newStatus *appsv1alpha1.CloneSetStatus, pods []*v1.Pod) error {
r.calculateStatus(cs, newStatus, pods)
if r.inconsistentStatus(cs, newStatus) {
klog.Infof("To update CloneSet status for %s/%s, replicas=%d ready=%d available=%d updated=%d updatedReady=%d, revisions current=%s update=%s",
cs.Namespace, cs.Name, newStatus.Replicas, newStatus.ReadyReplicas, newStatus.AvailableReplicas, newStatus.UpdatedReplicas, newStatus.UpdatedReadyReplicas, newStatus.CurrentRevision, newStatus.UpdateRevision)
if err := r.updateStatus(cs, newStatus); err != nil {
return err
}
}
return clonesetcore.New(cs).ExtraStatusCalculation(newStatus, pods)
}
func (r *realStatusUpdater) updateStatus(cs *appsv1alpha1.CloneSet, newStatus *appsv1alpha1.CloneSetStatus) error {
return retry.RetryOnConflict(retry.DefaultBackoff, func() error {
clone := &appsv1alpha1.CloneSet{}
if err := r.Get(context.TODO(), types.NamespacedName{Namespace: cs.Namespace, Name: cs.Name}, clone); err != nil {
return err
}
clone.Status = *newStatus
clone.Annotations = cs.Annotations
return r.Status().Update(context.TODO(), clone)
})
}
func (r *realStatusUpdater) inconsistentStatus(cs *appsv1alpha1.CloneSet, newStatus *appsv1alpha1.CloneSetStatus) bool {
oldStatus := cs.Status
return newStatus.ObservedGeneration > oldStatus.ObservedGeneration ||
newStatus.Replicas != oldStatus.Replicas ||
newStatus.ReadyReplicas != oldStatus.ReadyReplicas ||
newStatus.AvailableReplicas != oldStatus.AvailableReplicas ||
newStatus.UpdatedReadyReplicas != oldStatus.UpdatedReadyReplicas ||
newStatus.UpdatedReplicas != oldStatus.UpdatedReplicas ||
newStatus.UpdateRevision != oldStatus.UpdateRevision ||
newStatus.CurrentRevision != oldStatus.CurrentRevision ||
newStatus.LabelSelector != oldStatus.LabelSelector
}
func (r *realStatusUpdater) calculateStatus(cs *appsv1alpha1.CloneSet, newStatus *appsv1alpha1.CloneSetStatus, pods []*v1.Pod) {
coreControl := clonesetcore.New(cs)
for _, pod := range pods {
newStatus.Replicas++
if coreControl.IsPodUpdateReady(pod, 0) {
newStatus.ReadyReplicas++
}
if coreControl.IsPodUpdateReady(pod, cs.Spec.MinReadySeconds) {
newStatus.AvailableReplicas++
}
if clonesetutils.EqualToRevisionHash("", pod, newStatus.UpdateRevision) {
newStatus.UpdatedReplicas++
}
if clonesetutils.EqualToRevisionHash("", pod, newStatus.UpdateRevision) && coreControl.IsPodUpdateReady(pod, 0) {
newStatus.UpdatedReadyReplicas++
}
}
if newStatus.UpdatedReplicas == newStatus.Replicas &&
newStatus.ReadyReplicas == newStatus.Replicas {
newStatus.CurrentRevision = newStatus.UpdateRevision
}
}