/
namespace.go
49 lines (43 loc) · 1.19 KB
/
namespace.go
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package k8s
import (
"fmt"
"github.com/skupperproject/skupper/pkg/kube"
"github.com/skupperproject/skupper/test/utils/constants"
"k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/cache"
"time"
)
func DeleteNamespaceAndWait(kubeClient kubernetes.Interface, name string) error {
// Create a namespace informer
done := make(chan struct{})
factory := informers.NewSharedInformerFactory(kubeClient, 0)
nsInformer := factory.Core().V1().Namespaces().Informer()
nsInformer.AddEventHandler(cache.ResourceEventHandlerFuncs{
DeleteFunc: func(obj interface{}) {
ns, _ := cache.MetaNamespaceKeyFunc(obj)
// when requested namespace has been deleted, close the done channel
if ns == name {
close(done)
}
},
})
stop := make(chan struct{})
go nsInformer.Run(stop)
// Delete the ns
if err := kube.DeleteNamespace(name, kubeClient); err != nil {
return err
}
// Wait for informer to be done or a timeout
timeout := time.After(constants.NamespaceDeleteTimeout)
var err error = nil
select {
case <-timeout:
err = fmt.Errorf("timed out waiting on namespace to be deleted: %s", name)
case <-done:
break
}
// stop informer
close(stop)
return err
}