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https://github.com/kubevela/kubevela.git
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09ce919b2b
* Feat: Refactoring the API Server module for better layering Signed-off-by: barnettZQG <barnett.zqg@gmail.com> * Fix: code style Signed-off-by: barnettZQG <barnett.zqg@gmail.com> * Fix: code style Signed-off-by: barnettZQG <barnett.zqg@gmail.com> * Fix: fix the lint errors Signed-off-by: barnettZQG <barnett.zqg@gmail.com>
106 lines
3.5 KiB
Go
106 lines
3.5 KiB
Go
/*
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Copyright 2022 The KubeVela 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 sync
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import (
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"context"
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"encoding/json"
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"sync"
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"github.com/fatih/color"
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v1 "k8s.io/api/core/v1"
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"k8s.io/client-go/dynamic"
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dynamicInformer "k8s.io/client-go/dynamic/dynamicinformer"
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"k8s.io/client-go/rest"
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"k8s.io/client-go/tools/cache"
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"k8s.io/klog/v2"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"github.com/oam-dev/kubevela/apis/core.oam.dev/v1beta1"
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"github.com/oam-dev/kubevela/pkg/apiserver/domain/service"
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"github.com/oam-dev/kubevela/pkg/apiserver/infrastructure/datastore"
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"github.com/oam-dev/kubevela/pkg/apiserver/utils/log"
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)
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// ApplicationSync sync application from cluster to database
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type ApplicationSync struct {
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KubeClient client.Client `inject:"kubeClient"`
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KubeConfig *rest.Config `inject:"kubeConfig"`
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Store datastore.DataStore `inject:"datastore"`
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ProjectService service.ProjectService `inject:""`
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}
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// Start prepares watchers and run their controllers, then waits for process termination signals
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func (a *ApplicationSync) Start(ctx context.Context, errorChan chan error) {
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dynamicClient, err := dynamic.NewForConfig(a.KubeConfig)
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if err != nil {
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errorChan <- err
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}
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factory := dynamicInformer.NewFilteredDynamicSharedInformerFactory(dynamicClient, 0, v1.NamespaceAll, nil)
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informer := factory.ForResource(v1beta1.SchemeGroupVersion.WithResource("applications")).Informer()
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getApp := func(obj interface{}) *v1beta1.Application {
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app := &v1beta1.Application{}
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bs, err := json.Marshal(obj)
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if err != nil {
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log.Logger.Errorf("decode the application failure %s", err.Error())
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return app
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}
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_ = json.Unmarshal(bs, app)
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return app
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}
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cu := &CR2UX{
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ds: a.Store,
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cli: a.KubeClient,
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cache: sync.Map{},
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projectService: a.ProjectService,
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}
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if err = cu.initCache(ctx); err != nil {
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errorChan <- err
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}
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handlers := cache.ResourceEventHandlerFuncs{
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AddFunc: func(obj interface{}) {
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app := getApp(obj)
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klog.Infof("watched add app event, namespace: %s, name: %s", app.Namespace, app.Name)
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err = cu.AddOrUpdate(ctx, app)
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if err != nil {
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log.Logger.Errorf("Application %-30s Create Sync to db err %v", color.WhiteString(app.Namespace+"/"+app.Name), err)
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}
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},
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UpdateFunc: func(oldObj, obj interface{}) {
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app := getApp(obj)
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klog.Infof("watched update app event, namespace: %s, name: %s", app.Namespace, app.Name)
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err = cu.AddOrUpdate(ctx, app)
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if err != nil {
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log.Logger.Errorf("Application %-30s Update Sync to db err %v", color.WhiteString(app.Namespace+"/"+app.Name), err)
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}
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},
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DeleteFunc: func(obj interface{}) {
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app := getApp(obj)
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klog.Infof("watched delete app event, namespace: %s, name: %s", app.Namespace, app.Name)
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err = cu.DeleteApp(ctx, app)
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if err != nil {
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log.Logger.Errorf("Application %-30s Deleted Sync to db err %v", color.WhiteString(app.Namespace+"/"+app.Name), err)
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}
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},
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}
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informer.AddEventHandler(handlers)
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log.Logger.Info("app syncing started")
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informer.Run(ctx.Done())
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}
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