/
enqueue_requests_for_virtualnode_events.go
68 lines (58 loc) · 2.7 KB
/
enqueue_requests_for_virtualnode_events.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
package virtualservice
import (
"context"
appmesh "github.com/aws/aws-app-mesh-controller-for-k8s/apis/appmesh/v1beta2"
"github.com/aws/aws-app-mesh-controller-for-k8s/pkg/k8s"
"github.com/aws/aws-app-mesh-controller-for-k8s/pkg/references"
"github.com/aws/aws-app-mesh-controller-for-k8s/pkg/virtualnode"
"github.com/go-logr/logr"
"k8s.io/client-go/util/workqueue"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/handler"
)
func NewEnqueueRequestsForVirtualNodeEvents(referencesIndexer references.ObjectReferenceIndexer, log logr.Logger) *enqueueRequestsForVirtualNodeEvents {
return &enqueueRequestsForVirtualNodeEvents{
referencesIndexer: referencesIndexer,
log: log,
}
}
var _ handler.EventHandler = (*enqueueRequestsForVirtualNodeEvents)(nil)
type enqueueRequestsForVirtualNodeEvents struct {
referencesIndexer references.ObjectReferenceIndexer
log logr.Logger
}
// Create is called in response to an create event
func (h *enqueueRequestsForVirtualNodeEvents) Create(e event.CreateEvent, queue workqueue.RateLimitingInterface) {
// no-op
}
// Update is called in response to an update event
func (h *enqueueRequestsForVirtualNodeEvents) Update(e event.UpdateEvent, queue workqueue.RateLimitingInterface) {
// VirtualService reconcile depends on virtualNode is active or not.
// so we only need to trigger VirtualService reconcile if virtualNode's active status changed.
vnOld := e.ObjectOld.(*appmesh.VirtualNode)
vnNew := e.ObjectNew.(*appmesh.VirtualNode)
if virtualnode.IsVirtualNodeActive(vnOld) != virtualnode.IsVirtualNodeActive(vnNew) {
h.enqueueVirtualServicesForVirtualNode(context.Background(), queue, vnNew)
}
}
// Delete is called in response to a delete event
func (h *enqueueRequestsForVirtualNodeEvents) Delete(e event.DeleteEvent, queue workqueue.RateLimitingInterface) {
// no-op
}
// Generic is called in response to an event of an unknown type or a synthetic event triggered as a cron or
// external trigger request
func (h *enqueueRequestsForVirtualNodeEvents) Generic(e event.GenericEvent, queue workqueue.RateLimitingInterface) {
// no-op
}
func (h *enqueueRequestsForVirtualNodeEvents) enqueueVirtualServicesForVirtualNode(ctx context.Context, queue workqueue.RateLimitingInterface, vn *appmesh.VirtualNode) {
vsList := &appmesh.VirtualServiceList{}
if err := h.referencesIndexer.Fetch(ctx, vsList, ReferenceKindVirtualNode, k8s.NamespacedName(vn)); err != nil {
h.log.Error(err, "failed to enqueue virtualServices for virtualNode events",
"virtualNode", k8s.NamespacedName(vn))
return
}
for _, vs := range vsList.Items {
queue.Add(ctrl.Request{NamespacedName: k8s.NamespacedName(&vs)})
}
}