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package controllermanager
import (
"context"
"fmt"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer/json"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/rest"
"k8s.io/klog/v2"
controllerruntime "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/manager"
"github.com/kubeedge/kubeedge/cloud/pkg/controllermanager/edgeapplication"
"github.com/kubeedge/kubeedge/cloud/pkg/controllermanager/edgeapplication/overridemanager"
"github.com/kubeedge/kubeedge/cloud/pkg/controllermanager/edgeapplication/statusmanager"
"github.com/kubeedge/kubeedge/cloud/pkg/controllermanager/nodegroup"
appsv1alpha1 "github.com/kubeedge/kubeedge/pkg/apis/apps/v1alpha1"
)
var appsScheme = runtime.NewScheme()
func init() {
utilruntime.Must(scheme.AddToScheme(appsScheme))
utilruntime.Must(appsv1alpha1.AddToScheme(appsScheme))
}
func NewAppsControllerManager(ctx context.Context, kubeCfg *rest.Config) (manager.Manager, error) {
controllerManager, err := controllerruntime.NewManager(kubeCfg, controllerruntime.Options{
Scheme: appsScheme,
// TODO: leader election
// TODO: /healthz
})
if err != nil {
return nil, fmt.Errorf("failed to create controller manager, %v", err)
}
if err := setupControllers(ctx, controllerManager); err != nil {
return nil, err
}
return controllerManager, nil
}
func setupControllers(ctx context.Context, mgr manager.Manager) error {
Serializer := json.NewSerializerWithOptions(json.DefaultMetaFactory, appsScheme, appsScheme, json.SerializerOptions{Yaml: true})
// TODO: add cacheReader for unstructured
// This returned cli will directly acquire the unstructured objects from API Server which
// have not be registered in the appsScheme. Currently, we only support deployment in
// EdgeApplication, so there's no problem. We have to add cacheReader for unstructured
// obj if we want to support more types, such as CRDs.
cli := mgr.GetClient()
nodeGroupController := &nodegroup.Controller{
Client: cli,
}
edgeApplicationController := &edgeapplication.Controller{
Client: cli,
Serializer: Serializer,
StatusManager: statusmanager.NewStatusManager(ctx, mgr, cli, Serializer),
Overrider: &overridemanager.OverrideManager{
Overriders: []overridemanager.Overrider{
&overridemanager.NameOverrider{},
&overridemanager.ReplicasOverrider{},
&overridemanager.ImageOverrider{},
&overridemanager.NodeSelectorOverrider{},
&overridemanager.CommandOverrider{},
&overridemanager.ArgsOverrider{},
&overridemanager.EnvOverrider{},
&overridemanager.ResourcesOverrider{},
},
},
}
klog.Info("setup nodegroup controller")
if err := nodeGroupController.SetupWithManager(ctx, mgr); err != nil {
return fmt.Errorf("failed to setup nodegroup controller, %v", err)
}
if err := edgeApplicationController.SetupWithManager(mgr); err != nil {
return fmt.Errorf("failed to setup edgeapplication controller, %v", err)
}
return nil
}
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