Basic verification of SriovNetwork.Spec.LogLevel

Add an end-to-end test to verify that configuring the LogLevel
field of a SriovNetwork makes sriov cni Add command logging
to multus pods

Signed-off-by: Andrea Panattoni <apanatto@redhat.com>

test/conformance/tests/test_sriov_operator.go

@@ -108,7 +108,7 @@ var _ = Describe("[sriov] operator", func() {
 	Describe("No SriovNetworkNodePolicy", func() {
 		Context("SR-IOV network config daemon can be set by nodeselector", func() {
 			// 26186
-			FIt("Should schedule the config daemon on selected nodes", func() {
+			It("Should schedule the config daemon on selected nodes", func() {
 				if discovery.Enabled() {
 					Skip("Test unsuitable to be run in discovery mode")
 				}
@@ -930,6 +930,36 @@ var _ = Describe("[sriov] operator", func() {
 				}, 3*time.Minute, time.Second).Should(Equal(corev1.PodRunning))
 			})
 		})
+
+		Context("CNI Logging level", func() {
+			It("Debug logging should be visible in multus pod", func() {
+				sriovNetworkName := "test-log-level-debug-no-file"
+				err := network.CreateSriovNetwork(clients, sriovDevice, sriovNetworkName,
+					namespaces.Test, operatorNamespace, resourceName, ipamIpv4,
+					func(sn *sriovv1.SriovNetwork) {
+						sn.Spec.LogLevel = "debug"
+					})
+				Expect(err).ToNot(HaveOccurred())
+
+				podDeployTime := time.Now()
+
+				testPod := createTestPod(node, []string{sriovNetworkName})
+
+				recentMultusLogs := getMultusPodLogs(testPod.Spec.NodeName, podDeployTime)
+
+				Expect(recentMultusLogs).To(
+					ContainElement(
+						// Assert against multiple ContainSubstring condition because we can't make assumption on the order of the chunks
+						And(
+							ContainSubstring(`level="debug"`),
+							ContainSubstring(`msg="1. Set link down"`),
+							ContainSubstring(`cniName="sriov-cni"`),
+							ContainSubstring(`ifname="net1"`),
+							ContainSubstring(`func="SetupVF"`),
+						),
+					))
+			})
+		})
 	})
 
 	Describe("Custom SriovNetworkNodePolicy", func() {
@@ -2427,3 +2457,24 @@ func assertDevicePluginConfigurationContains(node, configuration string) {
 		HaveKeyWithValue(node, ContainSubstring(configuration)),
 	)
 }
+
+func getMultusPodLogs(nodeName string, since time.Time) []string {
+	podList, err := clients.Pods("").List(context.Background(), metav1.ListOptions{
+		LabelSelector: "app=multus",
+		FieldSelector: "spec.nodeName=" + nodeName,
+	})
+	ExpectWithOffset(1, err).ToNot(HaveOccurred())
+	ExpectWithOffset(1, podList.Items).To(HaveLen(1), "One multus pod expected")
+
+	multusPod := podList.Items[0]
+	logStart := metav1.NewTime(since)
+	rawLogs, err := clients.Pods(multusPod.Namespace).
+		GetLogs(multusPod.Name, &corev1.PodLogOptions{
+			Container: multusPod.Spec.Containers[0].Name,
+			SinceTime: &logStart,
+		}).
+		DoRaw(context.Background())
+	ExpectWithOffset(1, err).ToNot(HaveOccurred())
+
+	return strings.Split(string(rawLogs), "\n")
+}