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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>
This commit is contained in:
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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56
pkg/provider/kubernetes/ingress/client.go
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@ -49,14 +49,14 @@ type Client interface {
type clientWrapper struct {
clientset kclientset.Interface
factoryClusterScope kinformers.SharedInformerFactory
clusterScopeFactory kinformers.SharedInformerFactory
factoriesKube map[string]kinformers.SharedInformerFactory
factoriesSecret map[string]kinformers.SharedInformerFactory
factoriesIngress map[string]kinformers.SharedInformerFactory
clusterFactory kinformers.SharedInformerFactory
ingressLabelSelector string
isNamespaceAll bool
disableIngressClassInformer bool
disableIngressClassInformer bool // Deprecated.
disableClusterScopeInformer bool
watchedNamespaces []string
serverVersion *version.Version
}
@ -201,58 +201,52 @@ func (c *clientWrapper) WatchAll(namespaces []string, stopCh <-chan struct{}) (<
c.factoriesSecret[ns] = factorySecret
}
c.factoryClusterScope = kinformers.NewSharedInformerFactory(c.clientset, resyncPeriod)
_, err = c.factoryClusterScope.Core().V1().Nodes().Informer().AddEventHandler(eventHandler)
if err != nil {
return nil, err
}
for _, ns := range namespaces {
c.factoriesIngress[ns].Start(stopCh)
c.factoriesKube[ns].Start(stopCh)
c.factoriesSecret[ns].Start(stopCh)
}
c.factoryClusterScope.Start(stopCh)
for _, ns := range namespaces {
for typ, ok := range c.factoriesIngress[ns].WaitForCacheSync(stopCh) {
for t, ok := range c.factoriesIngress[ns].WaitForCacheSync(stopCh) {
if !ok {
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", typ, ns)
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", t.String(), ns)
}
}
for typ, ok := range c.factoriesKube[ns].WaitForCacheSync(stopCh) {
for t, ok := range c.factoriesKube[ns].WaitForCacheSync(stopCh) {
if !ok {
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", typ, ns)
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", t.String(), ns)
}
}
for typ, ok := range c.factoriesSecret[ns].WaitForCacheSync(stopCh) {
for t, ok := range c.factoriesSecret[ns].WaitForCacheSync(stopCh) {
if !ok {
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", typ, ns)
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s in namespace %q", t.String(), ns)
}
}
}
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.disableIngressClassInformer || !c.disableClusterScopeInformer {
c.clusterScopeFactory = kinformers.NewSharedInformerFactory(c.clientset, resyncPeriod)
if !c.disableIngressClassInformer {
c.clusterFactory = kinformers.NewSharedInformerFactoryWithOptions(c.clientset, resyncPeriod)
_, err = c.clusterFactory.Networking().V1().IngressClasses().Informer().AddEventHandler(eventHandler)
_, err = c.clusterScopeFactory.Networking().V1().IngressClasses().Informer().AddEventHandler(eventHandler)
if err != nil {
return nil, err
}
c.clusterFactory.Start(stopCh)
if !c.disableClusterScopeInformer {
_, err = c.clusterScopeFactory.Core().V1().Nodes().Informer().AddEventHandler(eventHandler)
if err != nil {
return nil, err
}
}
for typ, ok := range c.clusterFactory.WaitForCacheSync(stopCh) {
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", typ)
return nil, fmt.Errorf("timed out waiting for controller caches to sync %s", t.String())
}
}
}
@ -370,18 +364,18 @@ 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
}
func (c *clientWrapper) GetIngressClasses() ([]*netv1.IngressClass, error) {
if c.clusterFactory == nil {
if c.clusterScopeFactory == nil {
return nil, errors.New("cluster factory not loaded")
}
var ics []*netv1.IngressClass
ingressClasses, err := c.clusterFactory.Networking().V1().IngressClasses().Lister().List(labels.Everything())
ingressClasses, err := c.clusterScopeFactory.Networking().V1().IngressClasses().Lister().List(labels.Everything())
if err != nil {
return nil, err
}