mirror of https://github.com/openkruise/kruise.git
91 lines
3.0 KiB
Go
91 lines
3.0 KiB
Go
/*
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Copyright 2024 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 mutating
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import (
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"context"
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"fmt"
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"strings"
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admissionv1 "k8s.io/api/admission/v1"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/klog/v2"
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"k8s.io/kube-openapi/pkg/util/sets"
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"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
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appsv1alpha1 "github.com/openkruise/kruise/apis/apps/v1alpha1"
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"github.com/openkruise/kruise/pkg/util"
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"github.com/openkruise/kruise/pkg/util/podprobemarker"
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)
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// mutating relate-pub annotation in pod
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func (h *PodCreateHandler) podProbeMarkerMutatingPod(ctx context.Context, req admission.Request, pod *corev1.Pod) (skip bool, err error) {
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if len(req.AdmissionRequest.SubResource) > 0 || req.AdmissionRequest.Operation != admissionv1.Create ||
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req.AdmissionRequest.Resource.Resource != "pods" {
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return true, nil
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}
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ppms, err := podprobemarker.GetPodProbeMarkerForPod(h.Client, pod)
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if err != nil {
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return false, err
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} else if len(ppms) == 0 {
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return true, nil
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}
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containers := sets.NewString()
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for _, c := range pod.Spec.Containers {
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containers.Insert(c.Name)
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}
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for _, c := range pod.Spec.InitContainers {
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if util.IsRestartableInitContainer(&c) {
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containers.Insert(c.Name)
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}
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}
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matchedPodProbeMarkerName := sets.NewString()
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matchedProbeKey := sets.NewString()
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matchedConditions := sets.NewString()
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matchedProbes := make([]appsv1alpha1.PodContainerProbe, 0)
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for i := range ppms {
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obj := ppms[i]
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for i := range obj.Spec.Probes {
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probe := obj.Spec.Probes[i]
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key := fmt.Sprintf("%s/%s", probe.ContainerName, probe.Name)
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if matchedConditions.Has(probe.PodConditionType) || matchedProbeKey.Has(key) || !containers.Has(probe.ContainerName) || probe.PodConditionType == "" {
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continue
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}
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// No need to pass in marker related fields
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probe.MarkerPolicy = nil
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matchedProbes = append(matchedProbes, probe)
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matchedProbeKey.Insert(key)
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matchedConditions.Insert(probe.PodConditionType)
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matchedPodProbeMarkerName.Insert(obj.Name)
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}
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}
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if len(matchedProbes) == 0 {
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return true, nil
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}
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if pod.Annotations == nil {
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pod.Annotations = map[string]string{}
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}
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body := util.DumpJSON(matchedProbes)
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pod.Annotations[appsv1alpha1.PodProbeMarkerAnnotationKey] = body
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pod.Annotations[appsv1alpha1.PodProbeMarkerListAnnotationKey] = strings.Join(matchedPodProbeMarkerName.List(), ",")
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klog.V(3).InfoS("mutating add pod annotation", "namespace", pod.Namespace, "name", pod.Name, "key", appsv1alpha1.PodProbeMarkerAnnotationKey, "value", body)
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return false, nil
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}
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