flaky nslookup

kubernetes · Apr 5, 2021 · 551473f · 551473f
1 parent 58ba929
commit 551473f
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diff --git a/test/integration/multinode_test.go b/test/integration/multinode_test.go
@@ -429,6 +429,8 @@ func validateDeployAppToMultiNode(ctx context.Context, t *testing.T, profile str
 		}
 	}
 	// verify both Pods could resolve "kubernetes.default"
+	// this one is also checked by k8s e2e node conformance tests:
+	// https://github.com/kubernetes/kubernetes/blob/f137c4777095b3972e2dd71a01365d47be459389/test/e2e_node/environment/conformance.go#L125-L179
 	for _, name := range podNames {
 		_, err = Run(t, exec.CommandContext(ctx, Target(), "kubectl", "-p", profile, "--", "exec", name, "--", "nslookup", "kubernetes.default"))
 		if err != nil {

diff --git a/test/integration/testdata/multinodes/multinode-pod-dns-test.yaml b/test/integration/testdata/multinodes/multinode-pod-dns-test.yaml
@@ -18,6 +18,8 @@ spec:
       - name: busybox
         # flaky nslookup in busybox versions newer than 1.28:
         # https://github.com/docker-library/busybox/issues/48
+        # note: gcr.io/kubernetes-e2e-test-images/dnsutils:1.3
+        # has similar issues (ie, resolves but returns exit 1)
         image: busybox:1.28
         command:
           - sleep