func (factory *RouterControllerFactory) Create(plugin router.Plugin) *controller.RouterController {
routeEventQueue := oscache.NewEventQueue(cache.MetaNamespaceKeyFunc)
cache.NewReflector(&routeLW{factory.OSClient}, &routeapi.Route{}, routeEventQueue, 2*time.Minute).Run()
endpointsEventQueue := oscache.NewEventQueue(cache.MetaNamespaceKeyFunc)
cache.NewReflector(&endpointsLW{factory.KClient}, &kapi.Endpoints{}, endpointsEventQueue, 2*time.Minute).Run()
return &controller.RouterController{
Plugin: plugin,
NextEndpoints: func() (watch.EventType, *kapi.Endpoints, error) {
eventType, obj, err := endpointsEventQueue.Pop()
if err != nil {
return watch.Error, nil, err
}
return eventType, obj.(*kapi.Endpoints), nil
},
NextRoute: func() (watch.EventType, *routeapi.Route, error) {
eventType, obj, err := routeEventQueue.Pop()
if err != nil {
return watch.Error, nil, err
}
return eventType, obj.(*routeapi.Route), nil
},
}
}
func (oi *OsdnRegistryInterface) WatchMinions(receiver chan *osdnapi.MinionEvent, stop chan bool) error {
minionEventQueue := oscache.NewEventQueue(cache.MetaNamespaceKeyFunc)
listWatch := &cache.ListWatch{
ListFunc: func() (runtime.Object, error) {
return oi.kClient.Nodes().List(labels.Everything(), fields.Everything())
},
WatchFunc: func(resourceVersion string) (watch.Interface, error) {
return oi.kClient.Nodes().Watch(labels.Everything(), fields.Everything(), resourceVersion)
},
}
cache.NewReflector(listWatch, &kapi.Node{}, minionEventQueue, 4*time.Minute).Run()
for {
eventType, obj, err := minionEventQueue.Pop()
if err != nil {
return err
}
switch eventType {
case watch.Added:
// we should ignore the modified event because status updates cause unnecessary noise
// the only time we would care about modified would be if the minion changes its IP address
// and hence all nodes need to update their vtep entries for the respective subnet
// create minionEvent
node := obj.(*kapi.Node)
receiver <- &osdnapi.MinionEvent{Type: osdnapi.Added, Minion: node.ObjectMeta.Name}
case watch.Deleted:
// TODO: There is a chance that a Delete event will not get triggered.
// Need to use a periodic sync loop that lists and compares.
node := obj.(*kapi.Node)
receiver <- &osdnapi.MinionEvent{Type: osdnapi.Deleted, Minion: node.ObjectMeta.Name}
}
}
return nil
}
func (oi *OsdnRegistryInterface) WatchSubnets(receiver chan *osdnapi.SubnetEvent, stop chan bool) error {
subnetEventQueue := oscache.NewEventQueue(cache.MetaNamespaceKeyFunc)
listWatch := &cache.ListWatch{
ListFunc: func() (runtime.Object, error) {
return oi.oClient.HostSubnets().List()
},
WatchFunc: func(resourceVersion string) (watch.Interface, error) {
return oi.oClient.HostSubnets().Watch(resourceVersion)
},
}
cache.NewReflector(listWatch, &api.HostSubnet{}, subnetEventQueue, 4*time.Minute).Run()
for {
eventType, obj, err := subnetEventQueue.Pop()
if err != nil {
return err
}
switch eventType {
case watch.Added, watch.Modified:
// create SubnetEvent
hs := obj.(*api.HostSubnet)
receiver <- &osdnapi.SubnetEvent{Type: osdnapi.Added, Minion: hs.Host, Sub: osdnapi.Subnet{Minion: hs.HostIP, Sub: hs.Subnet}}
case watch.Deleted:
// TODO: There is a chance that a Delete event will not get triggered.
// Need to use a periodic sync loop that lists and compares.
hs := obj.(*api.HostSubnet)
receiver <- &osdnapi.SubnetEvent{Type: osdnapi.Deleted, Minion: hs.Host, Sub: osdnapi.Subnet{Minion: hs.HostIP, Sub: hs.Subnet}}
}
}
return nil
}