mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-30 02:00:19 +00:00
5af3fe5deb
this commits add the controller runtime and its dependency to the vendor. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
92 lines
3.1 KiB
Go
92 lines
3.1 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 handler
|
|
|
|
import (
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/client-go/util/workqueue"
|
|
"sigs.k8s.io/controller-runtime/pkg/event"
|
|
logf "sigs.k8s.io/controller-runtime/pkg/internal/log"
|
|
"sigs.k8s.io/controller-runtime/pkg/reconcile"
|
|
)
|
|
|
|
var enqueueLog = logf.RuntimeLog.WithName("eventhandler").WithName("EnqueueRequestForObject")
|
|
|
|
var _ EventHandler = &EnqueueRequestForObject{}
|
|
|
|
// EnqueueRequestForObject enqueues a Request containing the Name and Namespace of the object that is the source of the Event.
|
|
// (e.g. the created / deleted / updated objects Name and Namespace). handler.EnqueueRequestForObject is used by almost all
|
|
// Controllers that have associated Resources (e.g. CRDs) to reconcile the associated Resource.
|
|
type EnqueueRequestForObject struct{}
|
|
|
|
// Create implements EventHandler
|
|
func (e *EnqueueRequestForObject) Create(evt event.CreateEvent, q workqueue.RateLimitingInterface) {
|
|
if evt.Meta == nil {
|
|
enqueueLog.Error(nil, "CreateEvent received with no metadata", "event", evt)
|
|
return
|
|
}
|
|
q.Add(reconcile.Request{NamespacedName: types.NamespacedName{
|
|
Name: evt.Meta.GetName(),
|
|
Namespace: evt.Meta.GetNamespace(),
|
|
}})
|
|
}
|
|
|
|
// Update implements EventHandler
|
|
func (e *EnqueueRequestForObject) Update(evt event.UpdateEvent, q workqueue.RateLimitingInterface) {
|
|
if evt.MetaOld != nil {
|
|
q.Add(reconcile.Request{NamespacedName: types.NamespacedName{
|
|
Name: evt.MetaOld.GetName(),
|
|
Namespace: evt.MetaOld.GetNamespace(),
|
|
}})
|
|
} else {
|
|
enqueueLog.Error(nil, "UpdateEvent received with no old metadata", "event", evt)
|
|
}
|
|
|
|
if evt.MetaNew != nil {
|
|
q.Add(reconcile.Request{NamespacedName: types.NamespacedName{
|
|
Name: evt.MetaNew.GetName(),
|
|
Namespace: evt.MetaNew.GetNamespace(),
|
|
}})
|
|
} else {
|
|
enqueueLog.Error(nil, "UpdateEvent received with no new metadata", "event", evt)
|
|
}
|
|
}
|
|
|
|
// Delete implements EventHandler
|
|
func (e *EnqueueRequestForObject) Delete(evt event.DeleteEvent, q workqueue.RateLimitingInterface) {
|
|
if evt.Meta == nil {
|
|
enqueueLog.Error(nil, "DeleteEvent received with no metadata", "event", evt)
|
|
return
|
|
}
|
|
q.Add(reconcile.Request{NamespacedName: types.NamespacedName{
|
|
Name: evt.Meta.GetName(),
|
|
Namespace: evt.Meta.GetNamespace(),
|
|
}})
|
|
}
|
|
|
|
// Generic implements EventHandler
|
|
func (e *EnqueueRequestForObject) Generic(evt event.GenericEvent, q workqueue.RateLimitingInterface) {
|
|
if evt.Meta == nil {
|
|
enqueueLog.Error(nil, "GenericEvent received with no metadata", "event", evt)
|
|
return
|
|
}
|
|
q.Add(reconcile.Request{NamespacedName: types.NamespacedName{
|
|
Name: evt.Meta.GetName(),
|
|
Namespace: evt.Meta.GetNamespace(),
|
|
}})
|
|
}
|