rollouts/pkg/controller/rollouthistory/rollouthistory_event_handle...

91 lines
3.3 KiB
Go

/*
Copyright 2022 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 rollouthistory
import (
"context"
rolloutv1alpha1 "github.com/openkruise/rollouts/api/v1alpha1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/util/workqueue"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
var _ handler.EventHandler = &enqueueRequestForRolloutHistory{}
type enqueueRequestForRolloutHistory struct {
}
func (w *enqueueRequestForRolloutHistory) Create(ctx context.Context, evt event.CreateEvent, q workqueue.RateLimitingInterface) {
w.handleEvent(q, evt.Object)
}
func (w *enqueueRequestForRolloutHistory) Delete(ctx context.Context, evt event.DeleteEvent, q workqueue.RateLimitingInterface) {
}
func (w *enqueueRequestForRolloutHistory) Generic(ctx context.Context, evt event.GenericEvent, q workqueue.RateLimitingInterface) {
}
func (w *enqueueRequestForRolloutHistory) Update(ctx context.Context, evt event.UpdateEvent, q workqueue.RateLimitingInterface) {
w.handleEvent(q, evt.ObjectNew)
}
func (w *enqueueRequestForRolloutHistory) handleEvent(q workqueue.RateLimitingInterface, obj client.Object) {
// In fact, rolloutHistory which is created by controller must have rolloutNameLabel and rolloutIDLabe
rolloutName, ok1 := obj.(*rolloutv1alpha1.RolloutHistory).Labels[rolloutNameLabel]
_, ok2 := obj.(*rolloutv1alpha1.RolloutHistory).Labels[rolloutIDLabel]
if !ok1 || !ok2 {
return
}
// add rollout which just creates a rolloutHistory to queue
nsn := types.NamespacedName{Namespace: obj.GetNamespace(), Name: rolloutName}
q.Add(reconcile.Request{NamespacedName: nsn})
}
var _ handler.EventHandler = &enqueueRequestForRollout{}
type enqueueRequestForRollout struct {
}
func (w *enqueueRequestForRollout) Create(ctx context.Context, evt event.CreateEvent, q workqueue.RateLimitingInterface) {
w.handleEvent(q, evt.Object)
}
func (w *enqueueRequestForRollout) Delete(ctx context.Context, evt event.DeleteEvent, q workqueue.RateLimitingInterface) {
}
func (w *enqueueRequestForRollout) Generic(ctx context.Context, evt event.GenericEvent, q workqueue.RateLimitingInterface) {
}
func (w *enqueueRequestForRollout) Update(ctx context.Context, evt event.UpdateEvent, q workqueue.RateLimitingInterface) {
w.handleEvent(q, evt.ObjectNew)
}
func (w *enqueueRequestForRollout) handleEvent(q workqueue.RateLimitingInterface, obj client.Object) {
// RolloutID shouldn't be empty
rollout := obj.(*rolloutv1alpha1.Rollout)
if rollout.Status.CanaryStatus == nil || rollout.Status.CanaryStatus.ObservedRolloutID == "" {
return
}
// add rollout with RolloutID to queue
nsn := types.NamespacedName{Namespace: obj.GetNamespace(), Name: obj.GetName()}
q.Add(reconcile.Request{NamespacedName: nsn})
}