134 lines
3.6 KiB
Go
134 lines
3.6 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 deployment
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import (
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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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"strings"
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"time"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/api/apps/v1"
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)
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const (
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applicationLabel = "app.kubernetes.io/name"
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ReleaseLabel = "relase"
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statusStopped = "stopped"
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statusRunning = "running"
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statusUpdating = "updating"
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)
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type deploymentsGetter struct {
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sharedInformers informers.SharedInformerFactory
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}
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func New(sharedInformers informers.SharedInformerFactory) v1alpha3.Interface {
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return &deploymentsGetter{sharedInformers: sharedInformers}
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}
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func (d *deploymentsGetter) Get(namespace, name string) (runtime.Object, error) {
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return d.sharedInformers.Apps().V1().Deployments().Lister().Deployments(namespace).Get(name)
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}
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func (d *deploymentsGetter) List(namespace string, query *query.Query) (*api.ListResult, error) {
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// first retrieves all deployments within given namespace
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all, err := d.sharedInformers.Apps().V1().Deployments().Lister().Deployments(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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var result []runtime.Object
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for _, deploy := range all {
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result = append(result, deploy)
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}
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return v1alpha3.DefaultList(result, query, d.compare, d.filter), nil
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}
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func (d *deploymentsGetter) compare(left runtime.Object, right runtime.Object, field query.Field) bool {
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leftDeployment, ok := left.(*v1.Deployment)
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if !ok {
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return false
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}
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rightDeployment, ok := right.(*v1.Deployment)
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if !ok {
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return false
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}
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switch field {
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case query.FieldCreationTimeStamp:
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return leftDeployment.CreationTimestamp.After(rightDeployment.CreationTimestamp.Time)
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case query.FieldLastUpdateTimestamp:
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return lastUpdateTime(leftDeployment).After(lastUpdateTime(rightDeployment))
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default:
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fallthrough
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case query.FieldName:
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return strings.Compare(leftDeployment.Name, rightDeployment.Name) > 0
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}
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}
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func (d *deploymentsGetter) filter(object runtime.Object, filter query.Filter) bool {
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deployment, ok := object.(*v1.Deployment)
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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 query.FieldName:
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return query.ComparableString(deployment.Name).Contains(filter.Value)
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case query.FieldApplication:
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if app, ok := deployment.Labels[applicationLabel]; ok {
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return query.ComparableString(app).Contains(filter.Value)
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}
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case query.FieldStatus:
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return filter.Value.Compare(query.ComparableString(deploymentStatus(deployment.Status))) == 0
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default:
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return false
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}
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return false
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}
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func deploymentStatus(status v1.DeploymentStatus) string {
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if status.ReadyReplicas == 0 && status.Replicas == 0 {
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return statusStopped
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} else if status.ReadyReplicas == status.Replicas {
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return statusRunning
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} else {
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return statusUpdating
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}
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}
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func lastUpdateTime(deployment *v1.Deployment) time.Time {
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lut := deployment.CreationTimestamp.Time
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for _, condition := range deployment.Status.Conditions {
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if condition.LastUpdateTime.After(lut) {
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lut = condition.LastUpdateTime.Time
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}
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}
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return lut
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}
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