mirror of https://github.com/openkruise/kruise.git
140 lines
4.5 KiB
Go
140 lines
4.5 KiB
Go
/*
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Copyright 2021 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 nodeimage
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import (
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"context"
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"reflect"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/util/workqueue"
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"k8s.io/klog/v2"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/event"
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"sigs.k8s.io/controller-runtime/pkg/handler"
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"sigs.k8s.io/controller-runtime/pkg/reconcile"
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appsv1alpha1 "github.com/openkruise/kruise/apis/apps/v1alpha1"
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utilimagejob "github.com/openkruise/kruise/pkg/util/imagejob"
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)
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const (
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VirtualKubelet = "virtual-kubelet"
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)
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type nodeHandler struct {
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client.Reader
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}
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var _ handler.EventHandler = &nodeHandler{}
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func (e *nodeHandler) Create(ctx context.Context, evt event.CreateEvent, q workqueue.RateLimitingInterface) {
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node := evt.Object.(*v1.Node)
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if node.Labels["type"] == VirtualKubelet {
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return
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}
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if node.DeletionTimestamp != nil {
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e.nodeDelete(node, q)
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return
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}
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e.nodeCreateOrUpdate(node, q)
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}
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func (e *nodeHandler) Generic(ctx context.Context, evt event.GenericEvent, q workqueue.RateLimitingInterface) {
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}
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func (e *nodeHandler) Update(ctx context.Context, evt event.UpdateEvent, q workqueue.RateLimitingInterface) {
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node := evt.ObjectNew.(*v1.Node)
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if node.Labels["type"] == VirtualKubelet {
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return
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}
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if node.DeletionTimestamp != nil {
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e.nodeDelete(node, q)
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} else {
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e.nodeCreateOrUpdate(node, q)
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}
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}
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func (e *nodeHandler) Delete(ctx context.Context, evt event.DeleteEvent, q workqueue.RateLimitingInterface) {
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node := evt.Object.(*v1.Node)
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if node.Labels["type"] == VirtualKubelet {
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return
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}
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e.nodeDelete(node, q)
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}
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func (e *nodeHandler) nodeCreateOrUpdate(node *v1.Node, q workqueue.RateLimitingInterface) {
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nodeImage := &appsv1alpha1.NodeImage{}
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namespacedName := types.NamespacedName{Name: node.Name}
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if err := e.Get(context.TODO(), namespacedName, nodeImage); err != nil {
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if errors.IsNotFound(err) {
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klog.InfoS("Node created event for nodeimage", "nodeImageName", node.Name)
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if isReady, delay := getNodeReadyAndDelayTime(node); !isReady {
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klog.InfoS("Skipped to enqueue Node with not NodeImage, for not ready yet", "nodeImageName", node.Name)
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return
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} else if delay > 0 {
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klog.InfoS("Enqueue Node with not NodeImage after delay", "nodeImageName", node.Name, "delay", delay)
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q.AddAfter(reconcile.Request{NamespacedName: namespacedName}, delay)
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return
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}
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klog.InfoS("Enqueue Node with not NodeImage", "nodeImageName", node.Name)
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q.Add(reconcile.Request{NamespacedName: namespacedName})
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return
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}
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klog.ErrorS(err, "Failed to get NodeImage for Node", "nodeImageName", node.Name)
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return
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}
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if reflect.DeepEqual(node.Labels, nodeImage.Labels) {
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return
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}
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klog.InfoS("Node updated labels for NodeImage", "nodeImageName", node.Name)
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q.Add(reconcile.Request{NamespacedName: namespacedName})
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}
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func (e *nodeHandler) nodeDelete(node *v1.Node, q workqueue.RateLimitingInterface) {
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nodeImage := &appsv1alpha1.NodeImage{}
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namespacedName := types.NamespacedName{Name: node.Name}
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if err := e.Get(context.TODO(), namespacedName, nodeImage); errors.IsNotFound(err) {
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return
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}
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klog.InfoS("Node deleted event for NodeImage", "nodeImageName", node.Name)
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q.Add(reconcile.Request{NamespacedName: namespacedName})
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}
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type imagePullJobHandler struct {
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client.Reader
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}
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func (e *imagePullJobHandler) Create(ctx context.Context, evt event.CreateEvent, q workqueue.RateLimitingInterface) {
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}
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func (e *imagePullJobHandler) Generic(ctx context.Context, evt event.GenericEvent, q workqueue.RateLimitingInterface) {
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}
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func (e *imagePullJobHandler) Update(ctx context.Context, evt event.UpdateEvent, q workqueue.RateLimitingInterface) {
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}
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func (e *imagePullJobHandler) Delete(ctx context.Context, evt event.DeleteEvent, q workqueue.RateLimitingInterface) {
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job := evt.Object.(*appsv1alpha1.ImagePullJob)
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nodeImageNames := utilimagejob.PopCachedNodeImagesForJob(job)
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for _, name := range nodeImageNames {
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q.Add(reconcile.Request{NamespacedName: types.NamespacedName{Name: name}})
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}
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}
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