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enqueue.go
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enqueue.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2016-2019 Datadog, Inc.
// Package enqueue contains Object enqueue helpers.
package enqueue
import (
"context"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/util/workqueue"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"github.com/DataDog/extendeddaemonset/api/v1alpha1"
)
var _ handler.EventHandler = &RequestForExtendedDaemonSetLabel{}
// RequestForExtendedDaemonSetLabel enqueues Requests for the ExtendedDaemonSet corresponding to the label value.
type RequestForExtendedDaemonSetLabel struct{}
// Create implements EventHandler.
func (e *RequestForExtendedDaemonSetLabel) Create(evt event.CreateEvent, q workqueue.RateLimitingInterface) {
e.add(evt.Object, q)
}
// Update implements EventHandler.
func (e *RequestForExtendedDaemonSetLabel) Update(evt event.UpdateEvent, q workqueue.RateLimitingInterface) {
e.add(evt.ObjectOld, q)
e.add(evt.ObjectNew, q)
}
// Delete implements EventHandler.
func (e *RequestForExtendedDaemonSetLabel) Delete(evt event.DeleteEvent, q workqueue.RateLimitingInterface) {
e.add(evt.Object, q)
}
// Generic implements EventHandler.
func (e *RequestForExtendedDaemonSetLabel) Generic(evt event.GenericEvent, q workqueue.RateLimitingInterface) {
e.add(evt.Object, q)
}
func (e RequestForExtendedDaemonSetLabel) add(meta metav1.Object, q workqueue.RateLimitingInterface) {
value, ok := meta.GetLabels()[v1alpha1.ExtendedDaemonSetNameLabelKey]
if ok {
req := reconcile.Request{
NamespacedName: types.NamespacedName{
Namespace: meta.GetNamespace(),
Name: value,
},
}
q.Add(req)
}
}
var _ handler.EventHandler = &RequestForExtendedDaemonSetLabel{}
// RequestForExtendedDaemonSetReplicaSetLabel enqueues Requests for the ExtendedDaemonSet corresponding to the label value.
type RequestForExtendedDaemonSetReplicaSetLabel struct{}
// Create implements EventHandler.
func (e *RequestForExtendedDaemonSetReplicaSetLabel) Create(evt event.CreateEvent, q workqueue.RateLimitingInterface) {
e.add(evt.Object, q)
}
// Update implements EventHandler.
func (e *RequestForExtendedDaemonSetReplicaSetLabel) Update(evt event.UpdateEvent, q workqueue.RateLimitingInterface) {
e.add(evt.ObjectOld, q)
e.add(evt.ObjectNew, q)
}
// Delete implements EventHandler.
func (e *RequestForExtendedDaemonSetReplicaSetLabel) Delete(evt event.DeleteEvent, q workqueue.RateLimitingInterface) {
e.add(evt.Object, q)
}
// Generic implements EventHandler.
func (e RequestForExtendedDaemonSetReplicaSetLabel) Generic(evt event.GenericEvent, q workqueue.RateLimitingInterface) {
e.add(evt.Object, q)
}
func (e *RequestForExtendedDaemonSetReplicaSetLabel) add(meta metav1.Object, q workqueue.RateLimitingInterface) {
value, ok := meta.GetLabels()[v1alpha1.ExtendedDaemonSetReplicaSetNameLabelKey]
if ok {
req := reconcile.Request{
NamespacedName: types.NamespacedName{
Namespace: meta.GetNamespace(),
Name: value,
},
}
q.Add(req)
}
}
var _ handler.EventHandler = &RequestForExtendedDaemonSetStatus{}
// RequestForExtendedDaemonSetStatus enqueues Requests for the ExtendedDaemonSet corresponding to the label value.
type RequestForExtendedDaemonSetStatus struct{}
// Create implements EventHandler.
func (e *RequestForExtendedDaemonSetStatus) Create(evt event.CreateEvent, q workqueue.RateLimitingInterface) {
e.add(evt.Object, q)
}
// Update implements EventHandler.
func (e *RequestForExtendedDaemonSetStatus) Update(evt event.UpdateEvent, q workqueue.RateLimitingInterface) {
e.add(evt.ObjectOld, q)
e.add(evt.ObjectNew, q)
}
// Delete implements EventHandler.
func (e *RequestForExtendedDaemonSetStatus) Delete(evt event.DeleteEvent, q workqueue.RateLimitingInterface) {
e.add(evt.Object, q)
}
// Generic implements EventHandler.
func (e *RequestForExtendedDaemonSetStatus) Generic(evt event.GenericEvent, q workqueue.RateLimitingInterface) {
e.add(evt.Object, q)
}
func (e RequestForExtendedDaemonSetStatus) add(obj runtime.Object, q workqueue.RateLimitingInterface) {
// convert unstructured.Unstructured to a ExtendedDaemonSet.
eds, ok := obj.(*v1alpha1.ExtendedDaemonSet)
if !ok {
return
}
if eds.Status.ActiveReplicaSet != "" {
req := reconcile.Request{
NamespacedName: types.NamespacedName{
Namespace: eds.Namespace,
Name: eds.Status.ActiveReplicaSet,
},
}
q.Add(req)
}
}
// NewRequestForAllReplicaSetFromNodeEvent returns new instance of RequestForAllReplicaSetFromNodeEvent.
func NewRequestForAllReplicaSetFromNodeEvent(c client.Client) handler.EventHandler {
return &RequestForAllReplicaSetFromNodeEvent{
client: c,
}
}
var _ handler.EventHandler = &RequestForAllReplicaSetFromNodeEvent{}
// RequestForAllReplicaSetFromNodeEvent enqueues Requests for the ExtendedDaemonSet corresponding to the label value.
type RequestForAllReplicaSetFromNodeEvent struct {
client client.Client
}
// Create implements EventHandler.
func (e *RequestForAllReplicaSetFromNodeEvent) Create(evt event.CreateEvent, q workqueue.RateLimitingInterface) {
e.add(q)
}
// Update implements EventHandler.
func (e *RequestForAllReplicaSetFromNodeEvent) Update(evt event.UpdateEvent, q workqueue.RateLimitingInterface) {
// e.add(q)
}
// Delete implements EventHandler.
func (e *RequestForAllReplicaSetFromNodeEvent) Delete(evt event.DeleteEvent, q workqueue.RateLimitingInterface) {
e.add(q)
}
// Generic implements EventHandler.
func (e *RequestForAllReplicaSetFromNodeEvent) Generic(evt event.GenericEvent, q workqueue.RateLimitingInterface) {
// e.add(q)
}
func (e RequestForAllReplicaSetFromNodeEvent) add(q workqueue.RateLimitingInterface) {
rsList := &v1alpha1.ExtendedDaemonSetReplicaSetList{}
err := e.client.List(context.TODO(), rsList)
if err != nil {
return
}
for _, rs := range rsList.Items {
req := reconcile.Request{
NamespacedName: types.NamespacedName{
Namespace: rs.Namespace,
Name: rs.Name,
},
}
q.Add(req)
}
}