core: Allow disabling node-lister via flag

This commit is contained in:
Chance Zibolski 2017-09-01 15:26:12 -07:00
parent cda42f93c7
commit adc2a7d74c
2 changed files with 21 additions and 9 deletions

View file

@ -39,6 +39,7 @@ import (
"k8s.io/client-go/kubernetes/scheme"
unversionedcore "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/client-go/tools/cache"
fcache "k8s.io/client-go/tools/cache/testing"
"k8s.io/client-go/tools/record"
"k8s.io/client-go/util/flowcontrol"
"k8s.io/ingress/core/pkg/ingress"
@ -130,6 +131,7 @@ type Configuration struct {
ConfigMapName string
ForceNamespaceIsolation bool
DisableNodeList bool
// optional
TCPConfigMapName string
@ -324,8 +326,14 @@ func newIngressController(config *Configuration) *GenericController {
cache.NewListWatchFromClient(ic.cfg.Client.CoreV1().RESTClient(), "services", ic.cfg.Namespace, fields.Everything()),
&api.Service{}, ic.cfg.ResyncPeriod, cache.ResourceEventHandlerFuncs{})
var nodeListerWatcher cache.ListerWatcher
if config.DisableNodeList {
nodeListerWatcher = fcache.NewFakeControllerSource()
} else {
nodeListerWatcher = cache.NewListWatchFromClient(ic.cfg.Client.CoreV1().RESTClient(), "nodes", api.NamespaceAll, fields.Everything())
}
ic.nodeLister.Store, ic.nodeController = cache.NewInformer(
cache.NewListWatchFromClient(ic.cfg.Client.CoreV1().RESTClient(), "nodes", api.NamespaceAll, fields.Everything()),
nodeListerWatcher,
&api.Node{}, ic.cfg.ResyncPeriod, cache.ResourceEventHandlerFuncs{})
if config.UpdateStatus {

View file

@ -91,6 +91,9 @@ func NewIngressController(backend ingress.Controller) *GenericController {
`Force namespace isolation. This flag is required to avoid the reference of secrets or
configmaps located in a different namespace than the specified in the flag --watch-namespace.`)
disableNodeList = flags.Bool("disable-node-list", false,
`Disable querying nodes. If --force-namespace-isolation is true, this should also be set.`)
updateStatusOnShutdown = flags.Bool("update-status-on-shutdown", true, `Indicates if the
ingress controller should update the Ingress status IP/hostname when the controller
is being stopped. Default is true`)
@ -183,6 +186,7 @@ func NewIngressController(backend ingress.Controller) *GenericController {
PublishService: *publishSvc,
Backend: backend,
ForceNamespaceIsolation: *forceIsolation,
DisableNodeList: *disableNodeList,
UpdateStatusOnShutdown: *updateStatusOnShutdown,
SortBackends: *sortBackends,
}