/
eventhandler.go
79 lines (63 loc) · 2.05 KB
/
eventhandler.go
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package bgp
import (
"context"
"github.com/openelb/openelb/api/v1alpha2"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/util/workqueue"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
var nodeEnqueueLog = ctrl.Log.WithName("eventhandler").WithName("EnqueueRequestForNode")
type EnqueueRequestForNode struct {
client.Client
peer bool
}
func (e *EnqueueRequestForNode) getDefaultBgpConf() []v1alpha2.BgpConf {
var def v1alpha2.BgpConf
if err := e.Get(context.Background(), client.ObjectKey{Name: "default"}, &def); err != nil {
return nil
}
return []v1alpha2.BgpConf{def}
}
func (e *EnqueueRequestForNode) getBgpPeers() []v1alpha2.BgpPeer {
var peers v1alpha2.BgpPeerList
if err := e.List(context.Background(), &peers); err != nil {
return nil
}
return peers.Items
}
// Create implements EventHandler
func (e *EnqueueRequestForNode) Create(evt event.CreateEvent, q workqueue.RateLimitingInterface) {
}
// Update implements EventHandler
func (e *EnqueueRequestForNode) Update(evt event.UpdateEvent, q workqueue.RateLimitingInterface) {
if evt.MetaOld == nil {
nodeEnqueueLog.Error(nil, "UpdateEvent received with no old metadata", "event", evt)
}
if evt.MetaNew == nil {
nodeEnqueueLog.Error(nil, "UpdateEvent received with no new metadata", "event", evt)
}
if !e.peer {
for _, svc := range e.getDefaultBgpConf() {
q.Add(reconcile.Request{NamespacedName: types.NamespacedName{
Name: svc.GetName(),
Namespace: svc.GetNamespace(),
}})
}
} else {
for _, svc := range e.getBgpPeers() {
q.Add(reconcile.Request{NamespacedName: types.NamespacedName{
Name: svc.GetName(),
Namespace: svc.GetNamespace(),
}})
}
}
}
// Delete implements EventHandler
func (e *EnqueueRequestForNode) Delete(evt event.DeleteEvent, q workqueue.RateLimitingInterface) {
}
// Generic implements EventHandler
func (e *EnqueueRequestForNode) Generic(evt event.GenericEvent, q workqueue.RateLimitingInterface) {
}