e2e: node: use test owner tracking

e2e_node test depend on very specific shared state (node state).
Pod leakages between tests oftentimes cause the test preconditions
to be silently corrupted, causing hard to debug CI failures.

Use the new facility to annotate pods with test owner (= the
test code which created the test) to help debug these failures.

For more context, please check the conversation in kubernetes#123468

Signed-off-by: Francesco Romani <[email protected]>

Author: ffromani

test/e2e_node/e2e_node_suite_test.go

@@ -44,6 +44,7 @@ import (
 	commontest "k8s.io/kubernetes/test/e2e/common"
 	"k8s.io/kubernetes/test/e2e/framework"
 	e2econfig "k8s.io/kubernetes/test/e2e/framework/config"
+	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
 	e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
 	e2etestfiles "k8s.io/kubernetes/test/e2e/framework/testfiles"
 	e2etestingmanifests "k8s.io/kubernetes/test/e2e/testing-manifests"
@@ -213,6 +214,11 @@ func TestE2eNode(t *testing.T) {
 			klog.Errorf("Failed creating report directory: %v", err)
 		}
 	}
+
+	// annotate created pods with source code location to make it easier to find tests
+	// which do insufficient cleanup and pollute the node state with lingering pods
+	e2epod.GlobalOwnerTracking = true
+
 	suiteConfig, reporterConfig := framework.CreateGinkgoConfig()
 	ginkgo.RunSpecs(t, "E2eNode Suite", suiteConfig, reporterConfig)
 }