fix e2e tests which set PodPriority are failing

test/e2e/framework/gpu_util.go

@@ -50,13 +50,13 @@ func NumberOfNVIDIAGPUs(node *v1.Node) int64 {
 }
 
 // NVIDIADevicePlugin returns the official Google Device Plugin pod for NVIDIA GPU in GKE
-func NVIDIADevicePlugin(ns string) *v1.Pod {
+func NVIDIADevicePlugin() *v1.Pod {
 	ds, err := DsFromManifest(GPUDevicePluginDSYAML)
 	Expect(err).NotTo(HaveOccurred())
 	p := &v1.Pod{
 		ObjectMeta: metav1.ObjectMeta{
 			Name:      "device-plugin-nvidia-gpu-" + string(uuid.NewUUID()),
-			Namespace: ns,
+			Namespace: metav1.NamespaceSystem,
 		},
 
 		Spec: ds.Spec.Template.Spec,

test/e2e_node/BUILD

@@ -129,6 +129,7 @@ go_test(
         "//pkg/kubelet/types:go_default_library",
         "//pkg/security/apparmor:go_default_library",
         "//staging/src/k8s.io/api/core/v1:go_default_library",
+        "//staging/src/k8s.io/api/scheduling/v1beta1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/equality:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/api/resource:go_default_library",

test/e2e_node/eviction_test.go

@@ -24,6 +24,8 @@ import (
 	"time"
 
 	"k8s.io/api/core/v1"
+	schedulerapi "k8s.io/api/scheduling/v1beta1"
+	"k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/fields"
@@ -285,6 +287,20 @@ var _ = framework.KubeDescribe("PriorityMemoryEvictionOrdering [Slow] [Serial] [
 	expectedNodeCondition := v1.NodeMemoryPressure
 	expectedStarvedResource := v1.ResourceMemory
 	pressureTimeout := 10 * time.Minute
+
+	highPriorityClassName := f.BaseName + "-high-priority"
+	highPriority := int32(999999999)
+
+	BeforeEach(func() {
+		_, err := f.ClientSet.SchedulingV1beta1().PriorityClasses().Create(&schedulerapi.PriorityClass{ObjectMeta: metav1.ObjectMeta{Name: highPriorityClassName}, Value: highPriority})
+		Expect(err == nil || errors.IsAlreadyExists(err)).To(BeTrue())
+	})
+
+	AfterEach(func() {
+		err := f.ClientSet.SchedulingV1beta1().PriorityClasses().Delete(highPriorityClassName, &metav1.DeleteOptions{})
+		Expect(err).NotTo(HaveOccurred())
+	})
+
 	Context(fmt.Sprintf(testContextFmt, expectedNodeCondition), func() {
 		tempSetCurrentKubeletConfig(f, func(initialConfig *kubeletconfig.KubeletConfiguration) {
 			initialConfig.FeatureGates[string(features.PodPriority)] = true
@@ -318,8 +334,7 @@ var _ = framework.KubeDescribe("PriorityMemoryEvictionOrdering [Slow] [Serial] [
 				}),
 			},
 		}
-		systemPriority := int32(2147483647)
-		specs[1].pod.Spec.Priority = &systemPriority
+		specs[1].pod.Spec.PriorityClassName = highPriorityClassName
 		runEvictionTest(f, pressureTimeout, expectedNodeCondition, expectedStarvedResource, logMemoryMetrics, specs)
 	})
 })
@@ -332,6 +347,20 @@ var _ = framework.KubeDescribe("PriorityLocalStorageEvictionOrdering [Slow] [Ser
 	expectedNodeCondition := v1.NodeDiskPressure
 	expectedStarvedResource := v1.ResourceEphemeralStorage
 	pressureTimeout := 10 * time.Minute
+
+	highPriorityClassName := f.BaseName + "-high-priority"
+	highPriority := int32(999999999)
+
+	BeforeEach(func() {
+		_, err := f.ClientSet.SchedulingV1beta1().PriorityClasses().Create(&schedulerapi.PriorityClass{ObjectMeta: metav1.ObjectMeta{Name: highPriorityClassName}, Value: highPriority})
+		Expect(err == nil || errors.IsAlreadyExists(err)).To(BeTrue())
+	})
+
+	AfterEach(func() {
+		err := f.ClientSet.SchedulingV1beta1().PriorityClasses().Delete(highPriorityClassName, &metav1.DeleteOptions{})
+		Expect(err).NotTo(HaveOccurred())
+	})
+
 	Context(fmt.Sprintf(testContextFmt, expectedNodeCondition), func() {
 		tempSetCurrentKubeletConfig(f, func(initialConfig *kubeletconfig.KubeletConfiguration) {
 			initialConfig.FeatureGates[string(features.PodPriority)] = true
@@ -367,8 +396,7 @@ var _ = framework.KubeDescribe("PriorityLocalStorageEvictionOrdering [Slow] [Ser
 				}),
 			},
 		}
-		systemPriority := int32(2147483647)
-		specs[1].pod.Spec.Priority = &systemPriority
+		specs[1].pod.Spec.PriorityClassName = highPriorityClassName
 		runEvictionTest(f, pressureTimeout, expectedNodeCondition, expectedStarvedResource, logDiskMetrics, specs)
 	})
 })

test/e2e_node/gpu_device_plugin.go

@@ -42,6 +42,7 @@ var _ = framework.KubeDescribe("NVIDIA GPU Device Plugin [Feature:GPUDevicePlugi
 
 	Context("DevicePlugin", func() {
 		var devicePluginPod *v1.Pod
+		var err error
 		BeforeEach(func() {
 			By("Ensuring that Nvidia GPUs exists on the node")
 			if !checkIfNvidiaGPUsExistOnNode() {
@@ -49,7 +50,8 @@ var _ = framework.KubeDescribe("NVIDIA GPU Device Plugin [Feature:GPUDevicePlugi
 			}
 
 			By("Creating the Google Device Plugin pod for NVIDIA GPU in GKE")
-			devicePluginPod = f.PodClient().CreateSync(framework.NVIDIADevicePlugin(f.Namespace.Name))
+			devicePluginPod, err = f.ClientSet.CoreV1().Pods(metav1.NamespaceSystem).Create(framework.NVIDIADevicePlugin())
+			framework.ExpectNoError(err)
 
 			By("Waiting for GPUs to become available on the local node")
 			Eventually(func() bool {
@@ -106,7 +108,7 @@ var _ = framework.KubeDescribe("NVIDIA GPU Device Plugin [Feature:GPUDevicePlugi
 			Expect(devId1).To(Not(Equal(devId2)))
 
 			By("Deleting device plugin.")
-			f.PodClient().Delete(devicePluginPod.Name, &metav1.DeleteOptions{})
+			f.ClientSet.CoreV1().Pods(metav1.NamespaceSystem).Delete(devicePluginPod.Name, &metav1.DeleteOptions{})
 			By("Waiting for GPUs to become unavailable on the local node")
 			Eventually(func() bool {
 				node, err := f.ClientSet.CoreV1().Nodes().Get(framework.TestContext.NodeName, metav1.GetOptions{})