forked from gardener-attic/gardener-extensions
/
add.go
84 lines (74 loc) · 3.34 KB
/
add.go
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// Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 certservice
import (
"github.com/gardener/gardener-extensions/pkg/controller/extension"
controllerconfig "github.com/gardener/gardener-extensions/controllers/extension-certificate-service/pkg/controller/config"
controllerutil "github.com/gardener/gardener-extensions/pkg/controller"
corev1alpha1 "github.com/gardener/gardener/pkg/apis/core/v1alpha1"
extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/source"
)
const (
// Type is the type of Extension resource.
Type = "certificate-service"
// ControllerName is the name of the Certificate Service controller.
ControllerName = "certificate-service-controller"
)
var (
// ControllerOptions contains options for the controller.
ControllerOptions controller.Options
// ServiceConfig contains configuration for the certificate service.
ServiceConfig controllerconfig.Config
)
// AddToManager adds a controller with the default Options to the given Controller Manager.
func AddToManager(mgr manager.Manager) error {
return AddToManagerWithOptions(mgr, ControllerOptions, ServiceConfig)
}
// AddToManagerWithOptions adds a controller with the given Options to the given manager.
// The opts.Reconciler is being set with a newly instantiated actuator.
func AddToManagerWithOptions(mgr manager.Manager, opts controller.Options, config controllerconfig.Config) error {
var (
cl = mgr.GetClient()
// watchBuilder determines which resources should be watched and the reconciler to be used.
watchBuilder = controllerutil.NewWatchBuilder(
// Register Watch on Cluster resources.
func(ctrl controller.Controller) error {
return ctrl.Watch(
&source.Kind{Type: &extensionsv1alpha1.Cluster{}},
&handler.EnqueueRequestsFromMapFunc{ToRequests: controllerutil.ObjectNameToExtensionTypeMapper(cl, Type)},
)
},
// Register Watch on CA Secret resource.
func(ctrl controller.Controller) error {
return ctrl.Watch(
&source.Kind{Type: &corev1.Secret{}},
&handler.EnqueueRequestsFromMapFunc{ToRequests: controllerutil.TypeMapperWithinNamespace(cl, Type)},
controllerutil.NamePredicate(corev1alpha1.SecretNameCACluster),
)
})
)
return extension.Add(mgr, extension.AddArgs{
Actuator: NewActuator(config.Configuration),
Name: ControllerName,
Type: Type,
ControllerOptions: opts,
WatchBuilder: watchBuilder,
Resync: config.Spec.ServiceSync.Duration,
})
}