devlopment branch (#1736)
This commit is contained in:
zryfish
281
pkg/models/resources/v1alpha2/pod/pods.go
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281
pkg/models/resources/v1alpha2/pod/pods.go
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/*
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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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appsv1 "k8s.io/api/apps/v1"
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"k8s.io/client-go/informers"
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"kubesphere.io/kubesphere/pkg/constants"
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"kubesphere.io/kubesphere/pkg/models/resources/v1alpha2"
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"kubesphere.io/kubesphere/pkg/server/params"
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"kubesphere.io/kubesphere/pkg/utils/sliceutil"
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"sort"
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"strings"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/labels"
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)
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type podSearcher struct {
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informers informers.SharedInformerFactory
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}
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func NewPodSearcher(informers informers.SharedInformerFactory) v1alpha2.Interface {
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return &podSearcher{informers: informers}
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}
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func (s *podSearcher) Get(namespace, name string) (interface{}, error) {
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return s.informers.Core().V1().Pods().Lister().Pods(namespace).Get(name)
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}
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func (s *podSearcher) podBelongTo(item *v1.Pod, kind string, name string) bool {
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switch kind {
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case "Deployment":
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if s.podBelongToDeployment(item, name) {
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return true
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}
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case "ReplicaSet":
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if podBelongToReplicaSet(item, name) {
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return true
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}
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case "DaemonSet":
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if podBelongToDaemonSet(item, name) {
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return true
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}
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case "StatefulSet":
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if podBelongToStatefulSet(item, name) {
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return true
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}
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case "Job":
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if podBelongToJob(item, name) {
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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 replicaSetBelongToDeployment(replicaSet *appsv1.ReplicaSet, deploymentName string) bool {
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for _, owner := range replicaSet.OwnerReferences {
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if owner.Kind == "Deployment" && owner.Name == deploymentName {
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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 podBelongToDaemonSet(item *v1.Pod, name string) bool {
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for _, owner := range item.OwnerReferences {
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if owner.Kind == "DaemonSet" && owner.Name == name {
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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 podBelongToJob(item *v1.Pod, name string) bool {
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for _, owner := range item.OwnerReferences {
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if owner.Kind == "Job" && owner.Name == name {
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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 podBelongToReplicaSet(item *v1.Pod, replicaSetName string) bool {
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for _, owner := range item.OwnerReferences {
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if owner.Kind == "ReplicaSet" && owner.Name == replicaSetName {
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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 podBelongToStatefulSet(item *v1.Pod, statefulSetName string) bool {
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for _, owner := range item.OwnerReferences {
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if owner.Kind == "StatefulSet" && owner.Name == statefulSetName {
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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 (s *podSearcher) podBelongToDeployment(item *v1.Pod, deploymentName string) bool {
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replicas, err := s.informers.Apps().V1().ReplicaSets().Lister().ReplicaSets(item.Namespace).List(labels.Everything())
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if err != nil {
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return false
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}
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for _, r := range replicas {
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if replicaSetBelongToDeployment(r, deploymentName) && podBelongToReplicaSet(item, r.Name) {
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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 podBindPVC(item *v1.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 (s *podSearcher) podBelongToService(item *v1.Pod, serviceName string) bool {
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service, err := s.informers.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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// exactly Match
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func (s *podSearcher) match(match map[string]string, item *v1.Pod) bool {
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for k, v := range match {
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switch k {
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case v1alpha2.OwnerKind:
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fallthrough
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case v1alpha2.OwnerName:
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kind := match[v1alpha2.OwnerKind]
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name := match[v1alpha2.OwnerName]
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if !s.podBelongTo(item, kind, name) {
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return false
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}
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case "nodeName":
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if item.Spec.NodeName != v {
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return false
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}
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case "pvcName":
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if !podBindPVC(item, v) {
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return false
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}
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case "serviceName":
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if !s.podBelongToService(item, v) {
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return false
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}
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case v1alpha2.Name:
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names := strings.Split(v, "|")
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if !sliceutil.HasString(names, item.Name) {
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return false
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}
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case v1alpha2.Keyword:
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if !strings.Contains(item.Name, v) && !v1alpha2.SearchFuzzy(item.Labels, "", v) && !v1alpha2.SearchFuzzy(item.Annotations, "", v) {
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return false
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}
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default:
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// label not exist or value not equal
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if val, ok := item.Labels[k]; !ok || val != v {
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return false
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}
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}
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}
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return true
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}
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// Fuzzy searchInNamespace
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func (*podSearcher) fuzzy(fuzzy map[string]string, item *v1.Pod) bool {
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for k, v := range fuzzy {
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switch k {
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case v1alpha2.Name:
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if !strings.Contains(item.Name, v) && !strings.Contains(item.Annotations[constants.DisplayNameAnnotationKey], v) {
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return false
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}
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case v1alpha2.Label:
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if !v1alpha2.SearchFuzzy(item.Labels, "", v) {
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return false
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}
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case v1alpha2.Annotation:
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if !v1alpha2.SearchFuzzy(item.Annotations, "", v) {
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return false
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}
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return false
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case v1alpha2.App:
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if !strings.Contains(item.Labels[v1alpha2.Chart], v) && !strings.Contains(item.Labels[v1alpha2.Release], v) {
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return false
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}
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default:
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if !v1alpha2.SearchFuzzy(item.Labels, k, v) {
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return false
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}
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}
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}
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return true
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}
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func (*podSearcher) compare(a, b *v1.Pod, orderBy string) bool {
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switch orderBy {
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case v1alpha2.StartTime:
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if a.Status.StartTime == nil {
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return false
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}
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if b.Status.StartTime == nil {
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return true
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}
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return a.Status.StartTime.Before(b.Status.StartTime)
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case v1alpha2.CreateTime:
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return a.CreationTimestamp.Time.Before(b.CreationTimestamp.Time)
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case v1alpha2.Name:
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fallthrough
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default:
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return strings.Compare(a.Name, b.Name) <= 0
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}
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}
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func (s *podSearcher) Search(namespace string, conditions *params.Conditions, orderBy string, reverse bool) ([]interface{}, error) {
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pods, err := s.informers.Core().V1().Pods().Lister().Pods(namespace).List(labels.Everything())
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if err != nil {
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return nil, err
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}
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result := make([]*v1.Pod, 0)
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if len(conditions.Match) == 0 && len(conditions.Fuzzy) == 0 {
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result = pods
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} else {
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for _, item := range pods {
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if s.match(conditions.Match, item) && s.fuzzy(conditions.Fuzzy, item) {
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result = append(result, item)
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}
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}
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}
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sort.Slice(result, func(i, j int) bool {
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if reverse {
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tmp := i
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i = j
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j = tmp
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}
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return s.compare(result[i], result[j], orderBy)
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})
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r := make([]interface{}, 0)
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for _, i := range result {
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r = append(r, i)
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}
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return r, nil
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}
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