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Use object informers instead of listers (#669)

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We'll need these informers for
https://github.com/virtual-kubelet/virtual-kubelet/pull/586

Changing this now means we don't need to make API changes later.
This commit is contained in:
Brian Goff
2019-06-17 10:00:02 -07:00
committed by Pires
parent c6fdae931a
commit 9bcc381ca3
2 changed files with 24 additions and 21 deletions
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31
node/podcontroller.go
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@@ -110,33 +110,36 @@ type PodControllerConfig struct {
Provider PodLifecycleHandler
// Listers used for filling details for things like downward API in pod spec.
ConfigMapLister corev1listers.ConfigMapLister
SecretLister corev1listers.SecretLister
ServiceLister corev1listers.ServiceLister
// Informers used for filling details for things like downward API in pod spec.
//
// We are using informers here instead of listers because we'll need the
// informer for certain features (like notifications for updated ConfigMaps)
ConfigMapInformer corev1informers.ConfigMapInformer
SecretInformer corev1informers.SecretInformer
ServiceInformer corev1informers.ServiceInformer
}
func NewPodController(cfg PodControllerConfig) (*PodController, error) {
if cfg.PodClient == nil {
return nil, errdefs.InvalidInput("must set core client")
return nil, errdefs.InvalidInput("missing core client")
}
if cfg.EventRecorder == nil {
return nil, errdefs.InvalidInput("must set event recorder")
return nil, errdefs.InvalidInput("missing event recorder")
}
if cfg.PodInformer == nil {
return nil, errdefs.InvalidInput("must set informer")
return nil, errdefs.InvalidInput("missing pod informer")
}
if cfg.ConfigMapLister == nil {
return nil, errdefs.InvalidInput("must set config map lister")
if cfg.ConfigMapInformer == nil {
return nil, errdefs.InvalidInput("missing config map informer")
}
if cfg.SecretLister == nil {
return nil, errdefs.InvalidInput("must set secret lister")
if cfg.SecretInformer == nil {
return nil, errdefs.InvalidInput("missing secret informer")
}
if cfg.ServiceLister == nil {
return nil, errdefs.InvalidInput("must set service lister")
if cfg.ServiceInformer == nil {
return nil, errdefs.InvalidInput("missing service informer")
}
rm, err := manager.NewResourceManager(cfg.PodInformer.Lister(), cfg.SecretLister, cfg.ConfigMapLister, cfg.ServiceLister)
rm, err := manager.NewResourceManager(cfg.PodInformer.Lister(), cfg.SecretInformer.Lister(), cfg.ConfigMapInformer.Lister(), cfg.ServiceInformer.Lister())
if err != nil {
return nil, pkgerrors.Wrap(err, "could not create resource manager")
}