Select a schedulable node in local PV test (#1088)

Signed-off-by: Fred Rolland <frolland@redhat.com>

Co-authored-by: Fred Rolland <frolland@redhat.com>

tests/local_volume_test.go

@@ -33,7 +33,10 @@ var _ = Describe("[rfe_id:1125][crit:high][vendor:cnv-qe@redhat.com][level:compo
 	BeforeEach(func() {
 		nodes, err := f.K8sClient.CoreV1().Nodes().List(metav1.ListOptions{})
 		Expect(err).ToNot(HaveOccurred())
-		node = nodes.Items[0].Name
+
+		nodeRef := utils.GetSchedulableNode(nodes)
+		Expect(nodeRef).ToNot(BeNil())
+		node = *nodeRef
 
 		By("Creating PV with NodeAffinity and Binding label")
 		pv, err = f.CreatePVFromDefinition(utils.NewPVDefinition("local-volume", "1G", storageClassName, node, map[string]string{"node": node}))

tests/utils/pod.go

@@ -235,3 +235,23 @@ func isExpectedNode(clientSet *kubernetes.Clientset, nodeName, podName, namespac
 		return false, nil
 	}
 }
+
+// GetSchedulableNode return a schedulable node from a nodes list
+func GetSchedulableNode(nodes *v1.NodeList) *string {
+	for _, node := range nodes.Items {
+		if node.Spec.Taints == nil {
+			return &node.Name
+		}
+		schedulableNode := true
+		for _, taint := range node.Spec.Taints {
+			if taint.Effect == "NoSchedule" {
+				schedulableNode = false
+				break
+			}
+		}
+		if schedulableNode {
+			return &node.Name
+		}
+	}
+	return nil
+}