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controllers.go
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controllers.go
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// Copyright 2023 The ClusterLink Authors.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package control
import (
"context"
"github.com/clusterlink-net/clusterlink/pkg/util/controller"
v1 "k8s.io/api/core/v1"
discv1 "k8s.io/api/discovery/v1"
"k8s.io/apimachinery/pkg/types"
"github.com/clusterlink-net/clusterlink/pkg/apis/clusterlink.net/v1alpha1"
ctrl "sigs.k8s.io/controller-runtime"
)
// CreateControllers creates the various k8s controllers used to update the control manager.
func CreateControllers(mgr *Manager, controllerManager ctrl.Manager, crdMode bool) error {
if crdMode {
err := controller.AddToManager(controllerManager, &controller.Spec{
Name: "control.peer",
Object: &v1alpha1.Peer{},
AddHandler: func(ctx context.Context, object any) error {
mgr.AddPeer(object.(*v1alpha1.Peer))
return nil
},
DeleteHandler: func(ctx context.Context, name types.NamespacedName) error {
mgr.DeletePeer(name.Name)
return nil
},
})
if err != nil {
return err
}
err = controller.AddToManager(controllerManager, &controller.Spec{
Name: "control.service",
Object: &v1.Service{},
AddHandler: func(ctx context.Context, object any) error {
return mgr.addService(ctx, object.(*v1.Service))
},
DeleteHandler: func(ctx context.Context, name types.NamespacedName) error {
return mgr.deleteService(ctx, name)
},
})
if err != nil {
return err
}
err = controller.AddToManager(controllerManager, &controller.Spec{
Name: "control.export",
Object: &v1alpha1.Export{},
AddHandler: func(ctx context.Context, object any) error {
return mgr.addExport(ctx, object.(*v1alpha1.Export))
},
DeleteHandler: func(ctx context.Context, name types.NamespacedName) error {
return nil
},
})
if err != nil {
return err
}
err = controller.AddToManager(controllerManager, &controller.Spec{
Name: "control.import",
Object: &v1alpha1.Import{},
AddHandler: func(ctx context.Context, object any) error {
return mgr.AddImport(ctx, object.(*v1alpha1.Import))
},
DeleteHandler: mgr.DeleteImport,
})
if err != nil {
return err
}
}
return controller.AddToManager(controllerManager, &controller.Spec{
Name: "control.endpointslice",
Object: &discv1.EndpointSlice{},
AddHandler: func(ctx context.Context, object any) error {
return mgr.addEndpointSlice(ctx, object.(*discv1.EndpointSlice))
},
DeleteHandler: func(ctx context.Context, name types.NamespacedName) error {
return mgr.deleteEndpointSlice(ctx, name)
},
})
}