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test: IngressClass exclusion test races with admission cache

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The admission cache may take longer to see both ingress classes
than it takes to create the ingress. We must loop until we see
the appropriate error, cleaning up after ourselves as we go.
This commit is contained in:
Clayton Coleman 2020-04-17 19:47:26 -04:00
parent 640b3c0582
commit 77973b5279
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1 changed files with 14 additions and 7 deletions
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21
test/e2e/network/ingressclass.go
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@ -19,10 +19,12 @@ package network
import (
"context"
"strings"
"time"
networkingv1beta1 "k8s.io/api/networking/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/wait"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/test/e2e/framework"
@ -73,14 +75,19 @@ var _ = SIGDescribe("IngressClass [Feature:Ingress]", func() {
framework.ExpectNoError(err)
defer deleteIngressClass(cs, ingressClass2.Name)
_, err = createBasicIngress(cs, f.Namespace.Name)
if err == nil {
framework.Failf("Expected error creating Ingress")
}
// the admission controller may take a few seconds to observe both ingress classes
expectedErr := "2 default IngressClasses were found, only 1 allowed"
if !strings.Contains(err.Error(), expectedErr) {
framework.Failf("Expected error to contain %s, got %s", expectedErr, err.Error())
var lastErr error
if err := wait.Poll(time.Second, time.Minute, func() (bool, error) {
defer cs.NetworkingV1beta1().Ingresses(f.Namespace.Name).Delete(context.TODO(), "ingress1", metav1.DeleteOptions{})
_, err := createBasicIngress(cs, f.Namespace.Name)
if err == nil {
return false, nil
}
lastErr = err
return strings.Contains(err.Error(), expectedErr), nil
}); err != nil {
framework.Failf("Expected error to contain %s, got %s", expectedErr, lastErr.Error())
}
})