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Allow to disable Kubernetes cluster scope resources discovery

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Co-authored-by: Kevin Pollet <pollet.kevin@gmail.com>
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Romain 2024-08-01 15:50:04 +02:00 • committed by GitHub
parent 930f84850b
commit a50345bf8d
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GPG key ID: B5690EEEBB952194
18 changed files with 349 additions and 153 deletions
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35
pkg/provider/kubernetes/crd/client.go
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@ -57,10 +57,12 @@ type clientWrapper struct {
csCrd traefikclientset.Interface
csKube kclientset.Interface
factoryClusterScope kinformers.SharedInformerFactory
factoriesCrd map[string]traefikinformers.SharedInformerFactory
factoriesKube map[string]kinformers.SharedInformerFactory
factoriesSecret map[string]kinformers.SharedInformerFactory
clusterScopeFactory kinformers.SharedInformerFactory
disableClusterScopeInformer bool
factoriesCrd map[string]traefikinformers.SharedInformerFactory
factoriesKube map[string]kinformers.SharedInformerFactory
factoriesSecret map[string]kinformers.SharedInformerFactory
labelSelector string
@ -237,18 +239,11 @@ func (c *clientWrapper) WatchAll(namespaces []string, stopCh <-chan struct{}) (<
c.factoriesSecret[ns] = factorySecret
}
c.factoryClusterScope = kinformers.NewSharedInformerFactory(c.csKube, resyncPeriod)
_, err := c.factoryClusterScope.Core().V1().Nodes().Informer().AddEventHandler(eventHandler)
if err != nil {
return nil, err
}
for _, ns := range namespaces {
c.factoriesCrd[ns].Start(stopCh)
c.factoriesKube[ns].Start(stopCh)
c.factoriesSecret[ns].Start(stopCh)
}
c.factoryClusterScope.Start(stopCh)
for _, ns := range namespaces {
for t, ok := range c.factoriesCrd[ns].WaitForCacheSync(stopCh) {
@ -270,9 +265,19 @@ func (c *clientWrapper) WatchAll(namespaces []string, stopCh <-chan struct{}) (<
}
}
for t, ok := range c.factoryClusterScope.WaitForCacheSync(stopCh) {
if !ok {
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s", t.String())
if !c.disableClusterScopeInformer {
c.clusterScopeFactory = kinformers.NewSharedInformerFactory(c.csKube, resyncPeriod)
_, err := c.clusterScopeFactory.Core().V1().Nodes().Informer().AddEventHandler(eventHandler)
if err != nil {
return nil, err
}
c.clusterScopeFactory.Start(stopCh)
for t, ok := range c.clusterScopeFactory.WaitForCacheSync(stopCh) {
if !ok {
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s", t.String())
}
}
}
@ -474,7 +479,7 @@ func (c *clientWrapper) GetSecret(namespace, name string) (*corev1.Secret, bool,
}
func (c *clientWrapper) GetNodes() ([]*corev1.Node, bool, error) {
nodes, err := c.factoryClusterScope.Core().V1().Nodes().Lister().List(labels.Everything())
nodes, err := c.clusterScopeFactory.Core().V1().Nodes().Lister().List(labels.Everything())
exist, err := translateNotFoundError(err)
return nodes, exist, err
}