mirror of
https://github.com/kubevirt/containerized-data-importer.git
synced 2025-06-03 06:30:22 +00:00
80 lines
2.7 KiB
Go
80 lines
2.7 KiB
Go
/*
|
|
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 controller_test
|
|
|
|
import (
|
|
"os"
|
|
|
|
"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/reconcile"
|
|
logf "sigs.k8s.io/controller-runtime/pkg/runtime/log"
|
|
"sigs.k8s.io/controller-runtime/pkg/runtime/signals"
|
|
"sigs.k8s.io/controller-runtime/pkg/source"
|
|
)
|
|
|
|
var (
|
|
mgr manager.Manager
|
|
// NB: don't call SetLogger in init(), or else you'll mess up logging in the main suite.
|
|
log = logf.Log.WithName("controller-examples")
|
|
)
|
|
|
|
// This example creates a new Controller named "pod-controller" with a no-op reconcile function. The
|
|
// manager.Manager will be used to Start the Controller, and will provide it a shared Cache and Client.
|
|
func ExampleNew() {
|
|
_, err := controller.New("pod-controller", mgr, controller.Options{
|
|
Reconciler: reconcile.Func(func(o reconcile.Request) (reconcile.Result, error) {
|
|
// Your business logic to implement the API by creating, updating, deleting objects goes here.
|
|
return reconcile.Result{}, nil
|
|
}),
|
|
})
|
|
if err != nil {
|
|
log.Error(err, "unable to create pod-controller")
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
|
|
// This example starts a new Controller named "pod-controller" to Watch Pods and call a no-op Reconciler.
|
|
func ExampleController() {
|
|
// mgr is a manager.Manager
|
|
|
|
// Create a new Controller that will call the provided Reconciler function in response
|
|
// to events.
|
|
c, err := controller.New("pod-controller", mgr, controller.Options{
|
|
Reconciler: reconcile.Func(func(o reconcile.Request) (reconcile.Result, error) {
|
|
// Your business logic to implement the API by creating, updating, deleting objects goes here.
|
|
return reconcile.Result{}, nil
|
|
}),
|
|
})
|
|
if err != nil {
|
|
log.Error(err, "unable to create pod-controller")
|
|
os.Exit(1)
|
|
}
|
|
|
|
// Watch for Pod create / update / delete events and call Reconcile
|
|
err = c.Watch(&source.Kind{Type: &v1.Pod{}}, &handler.EnqueueRequestForObject{})
|
|
if err != nil {
|
|
log.Error(err, "unable to watch pods")
|
|
os.Exit(1)
|
|
}
|
|
|
|
// Start the Controller through the manager.
|
|
mgr.Start(signals.SetupSignalHandler())
|
|
}
|