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actuator.go
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actuator.go
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// Copyright © 2018 The Kubernetes 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 cluster
import (
"github.com/golang/glog"
clusterv1 "sigs.k8s.io/cluster-api/pkg/apis/cluster/v1alpha1"
client "sigs.k8s.io/cluster-api/pkg/client/clientset_generated/clientset/typed/cluster/v1alpha1"
)
// Actuator is responsible for performing cluster reconciliation
type Actuator struct {
clusterClient client.ClusterInterface
}
// ActuatorParams holds parameter information for Actuator
type ActuatorParams struct {
ClusterClient client.ClusterInterface
}
// NewActuator creates a new Actuator
func NewActuator(params ActuatorParams) (*Actuator, error) {
return &Actuator{
clusterClient: params.ClusterClient,
}, nil
}
// Reconcile reconciles a cluster and is invoked by the Cluster Controller
func (a *Actuator) Reconcile(cluster *clusterv1.Cluster) error {
glog.Infof("Reconciling cluster %v.", cluster.Name)
return nil
}
// Delete deletes a cluster and is invoked by the Cluster Controller
func (a *Actuator) Delete(cluster *clusterv1.Cluster) error {
glog.Infof("Deleting cluster %v.", cluster.Name)
// The core machine controller will not [delete](https://goo.gl/LEW9s1)
// a machine unless it [has a cluster](https://goo.gl/X8AGH6). Therefore
// we must assume one cluster per namespace. Related issues:
//
// https://github.com/samsung-cnct/cluster-api-provider-ssh/pull/50
// https://github.com/kubernetes-sigs/cluster-api/issues/252
// https://github.com/kubernetes-sigs/cluster-api/issues/177
// https://github.com/kubernetes-sigs/cluster-api/issues/41
return nil
}