120 lines
3.2 KiB
Go
120 lines
3.2 KiB
Go
/*
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Copyright 2019 The KubeSphere 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 pod
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import (
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/client-go/informers"
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"kubesphere.io/kubesphere/pkg/api"
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"kubesphere.io/kubesphere/pkg/apiserver/query"
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"kubesphere.io/kubesphere/pkg/models/resources/v1alpha3"
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)
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const (
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fieldNodeName = "nodeName"
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fieldPVCName = "pvcName"
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fieldServiceName = "serviceName"
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fieldStatus = "status"
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)
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type podsGetter struct {
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informer informers.SharedInformerFactory
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}
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func New(sharedInformers informers.SharedInformerFactory) v1alpha3.Interface {
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return &podsGetter{informer: sharedInformers}
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}
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func (p *podsGetter) Get(namespace, name string) (runtime.Object, error) {
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return p.informer.Core().V1().Pods().Lister().Pods(namespace).Get(name)
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}
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func (p *podsGetter) List(namespace string, query *query.Query) (*api.ListResult, error) {
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pods, err := p.informer.Core().V1().Pods().Lister().Pods(namespace).List(query.Selector())
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if err != nil {
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return nil, err
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}
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var result []runtime.Object
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for _, pod := range pods {
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result = append(result, pod)
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}
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return v1alpha3.DefaultList(result, query, p.compare, p.filter), nil
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}
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func (p *podsGetter) compare(left runtime.Object, right runtime.Object, field query.Field) bool {
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leftPod, ok := left.(*corev1.Pod)
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if !ok {
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return false
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}
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rightPod, ok := right.(*corev1.Pod)
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if !ok {
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return false
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}
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return v1alpha3.DefaultObjectMetaCompare(leftPod.ObjectMeta, rightPod.ObjectMeta, field)
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}
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func (p *podsGetter) filter(object runtime.Object, filter query.Filter) bool {
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pod, ok := object.(*corev1.Pod)
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if !ok {
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return false
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}
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switch filter.Field {
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case fieldNodeName:
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return pod.Spec.NodeName == string(filter.Value)
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case fieldPVCName:
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return p.podBindPVC(pod, string(filter.Value))
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case fieldServiceName:
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return p.podBelongToService(pod, string(filter.Value))
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case fieldStatus:
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return string(pod.Status.Phase) == string(filter.Value)
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default:
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return v1alpha3.DefaultObjectMetaFilter(pod.ObjectMeta, filter)
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}
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}
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func (p *podsGetter) podBindPVC(item *corev1.Pod, pvcName string) bool {
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for _, v := range item.Spec.Volumes {
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if v.VolumeSource.PersistentVolumeClaim != nil &&
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v.VolumeSource.PersistentVolumeClaim.ClaimName == pvcName {
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return true
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}
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}
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return false
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}
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func (p *podsGetter) podBelongToService(item *corev1.Pod, serviceName string) bool {
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service, err := p.informer.Core().V1().Services().Lister().Services(item.Namespace).Get(serviceName)
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if err != nil {
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return false
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}
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selector := labels.Set(service.Spec.Selector).AsSelectorPreValidated()
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if selector.Empty() || !selector.Matches(labels.Set(item.Labels)) {
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return false
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}
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return true
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}
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