Collaset respects PodOpsLifecycle label podopslifecycle.kusionstack.i…

…o/control (#42)

* enhancement (CollaSet): Respect PodOpsLifecycle label podopslifecycle.kusionstack.io/control

pkg/controllers/collaset/collaset_controller.go

@@ -92,7 +92,7 @@ func AddToMgr(mgr ctrl.Manager, r reconcile.Reconciler) error {
 	err = c.Watch(&source.Kind{Type: &corev1.Pod{}}, &handler.EnqueueRequestForOwner{
 		IsController: true,
 		OwnerType:    &appsv1alpha1.CollaSet{},
-	})
+	}, &PodPredicate{})
 	if err != nil {
 		return err
 	}

pkg/controllers/collaset/predicts.go

@@ -0,0 +1,46 @@
+/*
+Copyright 2023 The KusionStack 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 collaset
+
+import (
+	"sigs.k8s.io/controller-runtime/pkg/event"
+
+	"kusionstack.io/kafed/pkg/utils"
+)
+
+type PodPredicate struct {
+}
+
+// Create returns true if the Create event should be processed
+func (p *PodPredicate) Create(e event.CreateEvent) bool {
+	return utils.ControlledByPodOpsLifecycle(e.Object)
+}
+
+// Delete returns true if the Delete event should be processed
+func (p *PodPredicate) Delete(e event.DeleteEvent) bool {
+	return utils.ControlledByPodOpsLifecycle(e.Object)
+}
+
+// Update returns true if the Update event should be processed
+func (p *PodPredicate) Update(e event.UpdateEvent) bool {
+	return utils.ControlledByPodOpsLifecycle(e.ObjectNew) || utils.ControlledByPodOpsLifecycle(e.ObjectOld)
+}
+
+// Generic returns true if the Generic event should be processed
+func (p *PodPredicate) Generic(e event.GenericEvent) bool {
+	return utils.ControlledByPodOpsLifecycle(e.Object)
+}

pkg/controllers/collaset/synccontrol/sync_control.go

@@ -161,7 +161,7 @@ func (sc *RealSyncControl) Scale(set *appsv1alpha1.CollaSet, podWrappers []*coll
 
 			// scale out new Pods with updatedRevision
 			// TODO use cache
-			pod, err := controllerutils.NewPodFrom(set, metav1.NewControllerRef(set, appsv1alpha1.GroupVersion.WithKind("CollaSet")), revision)
+			pod, err := collasetutils.NewPodFrom(set, metav1.NewControllerRef(set, appsv1alpha1.GroupVersion.WithKind("CollaSet")), revision)
 			if err != nil {
 				return fmt.Errorf("fail to new Pod from revision %s: %s", revision.Name, err)
 			}

pkg/controllers/collaset/synccontrol/update.go

@@ -171,13 +171,13 @@ func (u *InPlaceIfPossibleUpdater) AnalyseAndGetUpdatedPod(cls *appsv1alpha1.Col
 	// 1. build pod from current and updated revision
 	ownerRef := metav1.NewControllerRef(cls, appsv1alpha1.GroupVersion.WithKind("CollaSet"))
 	// TODO: use cache
-	currentPod, err := controllerutils.NewPodFrom(cls, ownerRef, podUpdateInfo.CurrentRevision)
+	currentPod, err := collasetutils.NewPodFrom(cls, ownerRef, podUpdateInfo.CurrentRevision)
 	if err != nil {
 		return false, false, nil, fmt.Errorf("fail to build Pod from current revision %s: %s", podUpdateInfo.CurrentRevision.Name, err)
 	}
 
 	// TODO: use cache
-	updatedPod, err = controllerutils.NewPodFrom(cls, ownerRef, updatedRevision)
+	updatedPod, err = collasetutils.NewPodFrom(cls, ownerRef, updatedRevision)
 	if err != nil {
 		return false, false, nil, fmt.Errorf("fail to build Pod from updated revision %s: %s", updatedRevision.Name, err)
 	}

pkg/controllers/collaset/utils/pod.go

@@ -18,10 +18,15 @@ package utils
 
 import (
 	"fmt"
-	corev1 "k8s.io/api/core/v1"
 	"strconv"
 
+	appsv1 "k8s.io/api/apps/v1"
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
 	appsv1alpha1 "kusionstack.io/kafed/apis/apps/v1alpha1"
+	controllerutils "kusionstack.io/kafed/pkg/controllers/utils"
+	"kusionstack.io/kafed/pkg/utils"
 )
 
 type PodWrapper struct {
@@ -57,3 +62,13 @@ func GetPodInstanceID(pod *corev1.Pod) (int, error) {
 
 	return int(id), nil
 }
+
+func NewPodFrom(owner metav1.Object, ownerRef *metav1.OwnerReference, revision *appsv1.ControllerRevision) (*corev1.Pod, error) {
+	pod, err := controllerutils.NewPodFrom(owner, ownerRef, revision)
+	if err != nil {
+		return nil, err
+	}
+
+	utils.ControlByPodOpsLifecycle(pod)
+	return pod, nil
+}

pkg/utils/common.go

@@ -37,3 +37,13 @@ func ControlledByPodOpsLifecycle(obj client.Object) bool {
 	v, ok := obj.GetLabels()[v1alpha1.ControlledByPodOpsLifecycle]
 	return ok && v == "true"
 }
+
+func ControlByPodOpsLifecycle(obj client.Object) {
+	if obj.GetLabels() == nil {
+		obj.SetLabels(map[string]string{})
+	}
+
+	if v, ok := obj.GetLabels()[v1alpha1.ControlledByPodOpsLifecycle]; !ok || v != "true" {
+		obj.GetLabels()[v1alpha1.ControlledByPodOpsLifecycle] = "true"
+	}
+}