111 lines
3.4 KiB
Go
111 lines
3.4 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 revisions
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import (
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"fmt"
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"k8s.io/client-go/informers"
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"k8s.io/klog"
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v1 "k8s.io/api/apps/v1"
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"k8s.io/apimachinery/pkg/labels"
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)
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type RevisionGetter interface {
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GetDeploymentRevision(namespace, name, revision string) (*v1.ReplicaSet, error)
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GetStatefulSetRevision(namespace, name string, revision int) (*v1.ControllerRevision, error)
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GetDaemonSetRevision(namespace, name string, revision int) (*v1.ControllerRevision, error)
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}
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type revisionGetter struct {
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informers informers.SharedInformerFactory
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}
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func NewRevisionGetter(informers informers.SharedInformerFactory) RevisionGetter {
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return &revisionGetter{informers: informers}
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}
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func (c *revisionGetter) GetDeploymentRevision(namespace, name, revision string) (*v1.ReplicaSet, error) {
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deploymentLister := c.informers.Apps().V1().Deployments().Lister()
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deploy, err := deploymentLister.Deployments(namespace).Get(name)
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if err != nil {
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klog.Errorf("get deployment %s failed, reason: %s", name, err)
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return nil, err
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}
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labelMap := deploy.Spec.Template.Labels
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labelSelector := labels.Set(labelMap).AsSelector()
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replicaSetLister := c.informers.Apps().V1().ReplicaSets().Lister()
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rsList, err := replicaSetLister.ReplicaSets(namespace).List(labelSelector)
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if err != nil {
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return nil, err
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}
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for _, rs := range rsList {
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if rs.Annotations["deployment.kubernetes.io/revision"] == revision {
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return rs, nil
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}
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}
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return nil, fmt.Errorf("revision not found %v#%v", name, revision)
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}
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func (c *revisionGetter) GetDaemonSetRevision(namespace, name string, revisionInt int) (*v1.ControllerRevision, error) {
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daemonSetLister := c.informers.Apps().V1().DaemonSets().Lister()
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ds, err := daemonSetLister.DaemonSets(namespace).Get(name)
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if err != nil {
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return nil, err
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}
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lbs := ds.Spec.Template.Labels
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return c.getControllerRevision(namespace, name, lbs, revisionInt)
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}
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func (c *revisionGetter) GetStatefulSetRevision(namespace, name string, revisionInt int) (*v1.ControllerRevision, error) {
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statefulSetLister := c.informers.Apps().V1().StatefulSets().Lister()
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st, err := statefulSetLister.StatefulSets(namespace).Get(name)
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if err != nil {
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return nil, err
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}
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return c.getControllerRevision(namespace, name, st.Spec.Template.Labels, revisionInt)
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}
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func (c *revisionGetter) getControllerRevision(namespace, name string, labelMap map[string]string, revision int) (*v1.ControllerRevision, error) {
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labelSelector := labels.Set(labelMap).AsSelector()
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controllerRevisionLister := c.informers.Apps().V1().ControllerRevisions().Lister()
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revisions, err := controllerRevisionLister.ControllerRevisions(namespace).List(labelSelector)
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if err != nil {
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return nil, err
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}
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for _, controllerRevision := range revisions {
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if controllerRevision.Revision == int64(revision) {
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return controllerRevision, nil
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}
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}
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return nil, fmt.Errorf("revision not found %v#%v", name, revision)
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}
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