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ocpbugs-115274: fix webhook finalizer flake #798

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ocpbugs-115274: fix webhook finalizer flake #798

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34 changes: 34 additions & 0 deletions openshift/tests-extension/test/webhooks.go
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Original file line number Diff line number Diff line change
Expand Up @@ -379,6 +379,32 @@ func ensureCleanupWebhookConfigurations(ctx context.Context, k8sClient client.Cl
}).WithTimeout(helpers.DefaultTimeout).WithPolling(helpers.DefaultPolling).Should(Succeed())
}

func waitForWebhookConfigurationsDeleted(ctx context.Context, k8sClient client.Client, validatingPrefix, mutatingPrefix string) {
Eventually(func(g Gomega) {
whList := &admissionregistrationv1.ValidatingWebhookConfigurationList{}
err := k8sClient.List(ctx, whList)
g.Expect(err).ToNot(HaveOccurred(), "failed to list ValidatingWebhookConfigurations")
staleValidatingWebhooks := []string{}
for _, wh := range whList.Items {
if validatingPrefix != "" && strings.HasPrefix(wh.Name, validatingPrefix) {
staleValidatingWebhooks = append(staleValidatingWebhooks, wh.Name)
}
}
g.Expect(staleValidatingWebhooks).To(BeEmpty(), "validating webhook configurations still exist: %v", staleValidatingWebhooks)

mwhList := &admissionregistrationv1.MutatingWebhookConfigurationList{}
err = k8sClient.List(ctx, mwhList)
g.Expect(err).ToNot(HaveOccurred(), "failed to list MutatingWebhookConfigurations")
staleMutatingWebhooks := []string{}
for _, mwh := range mwhList.Items {
if mutatingPrefix != "" && strings.HasPrefix(mwh.Name, mutatingPrefix) {
staleMutatingWebhooks = append(staleMutatingWebhooks, mwh.Name)
}
}
g.Expect(staleMutatingWebhooks).To(BeEmpty(), "mutating webhook configurations still exist: %v", staleMutatingWebhooks)
}).WithTimeout(helpers.DefaultTimeout).WithPolling(helpers.DefaultPolling).Should(Succeed())
}

var webhookTestV1 = schema.GroupVersionResource{
Group: "webhook.operators.coreos.io",
Version: "v1",
Expand Down Expand Up @@ -455,6 +481,14 @@ func setupWebhookOperator(ctx SpecContext, k8sClient client.Client, webhookOpera
g.Expect(client.IgnoreNotFound(err)).To(Succeed())
g.Expect(apierrors.IsNotFound(err)).To(BeTrue(), "ClusterExtension still exists")
}).WithTimeout(helpers.DefaultTimeout).WithPolling(helpers.DefaultPolling).Should(Succeed())

// Wait for OLMv1 finalizer cleanup to remove the webhook configurations before
// the namespace DeferCleanup runs. The webhook operator registers failurePolicy:Fail
// admission webhooks; if they outlive their backing service, the namespace controller
// cannot delete resources inside the terminating namespace, causing a 300s deadlock.
// This is deterministic on OVN because pod route teardown is immediate.
By("waiting for webhook configurations to be removed by OLMv1 cleanup")
waitForWebhookConfigurationsDeleted(ctx, k8sClient, "vwebhooktest", "mwebhooktest")
})

By("waiting for the webhook operator to be installed")
Expand Down