mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-18 04:10:22 +00:00
250 lines
8.2 KiB
Go
250 lines
8.2 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package scheduling
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import (
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"os"
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"strings"
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"time"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/uuid"
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extensionsinternal "k8s.io/kubernetes/pkg/apis/extensions"
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"k8s.io/kubernetes/test/e2e/framework"
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imageutils "k8s.io/kubernetes/test/utils/image"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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const (
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testPodNamePrefix = "nvidia-gpu-"
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cosOSImage = "Container-Optimized OS from Google"
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// Nvidia driver installation can take upwards of 5 minutes.
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driverInstallTimeout = 10 * time.Minute
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)
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type podCreationFuncType func() *v1.Pod
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var (
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gpuResourceName v1.ResourceName
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dsYamlUrl string
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podCreationFunc podCreationFuncType
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)
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func makeCudaAdditionTestPod() *v1.Pod {
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podName := testPodNamePrefix + string(uuid.NewUUID())
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testPod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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},
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Spec: v1.PodSpec{
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RestartPolicy: v1.RestartPolicyNever,
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Containers: []v1.Container{
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{
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Name: "vector-addition",
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Image: imageutils.GetE2EImage(imageutils.CudaVectorAdd),
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Resources: v1.ResourceRequirements{
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Limits: v1.ResourceList{
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gpuResourceName: *resource.NewQuantity(1, resource.DecimalSI),
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},
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},
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VolumeMounts: []v1.VolumeMount{
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{
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Name: "nvidia-libraries",
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MountPath: "/usr/local/nvidia/lib64",
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},
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},
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},
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},
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Volumes: []v1.Volume{
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{
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Name: "nvidia-libraries",
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VolumeSource: v1.VolumeSource{
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HostPath: &v1.HostPathVolumeSource{
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Path: "/home/kubernetes/bin/nvidia/lib",
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},
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},
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},
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},
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},
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}
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return testPod
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}
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func makeCudaAdditionDevicePluginTestPod() *v1.Pod {
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podName := testPodNamePrefix + string(uuid.NewUUID())
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testPod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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},
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Spec: v1.PodSpec{
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RestartPolicy: v1.RestartPolicyNever,
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Containers: []v1.Container{
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{
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Name: "vector-addition",
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Image: imageutils.GetE2EImage(imageutils.CudaVectorAdd),
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Resources: v1.ResourceRequirements{
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Limits: v1.ResourceList{
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gpuResourceName: *resource.NewQuantity(1, resource.DecimalSI),
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},
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},
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},
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},
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},
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}
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return testPod
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}
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func isClusterRunningCOS(f *framework.Framework) bool {
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nodeList, err := f.ClientSet.CoreV1().Nodes().List(metav1.ListOptions{})
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framework.ExpectNoError(err, "getting node list")
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for _, node := range nodeList.Items {
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if !strings.Contains(node.Status.NodeInfo.OSImage, cosOSImage) {
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return false
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}
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}
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return true
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}
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func areGPUsAvailableOnAllSchedulableNodes(f *framework.Framework) bool {
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framework.Logf("Getting list of Nodes from API server")
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nodeList, err := f.ClientSet.CoreV1().Nodes().List(metav1.ListOptions{})
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framework.ExpectNoError(err, "getting node list")
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for _, node := range nodeList.Items {
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if node.Spec.Unschedulable {
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continue
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}
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framework.Logf("gpuResourceName %s", gpuResourceName)
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if val, ok := node.Status.Capacity[gpuResourceName]; !ok || val.Value() == 0 {
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framework.Logf("Nvidia GPUs not available on Node: %q", node.Name)
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return false
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}
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}
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framework.Logf("Nvidia GPUs exist on all schedulable nodes")
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return true
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}
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func getGPUsAvailable(f *framework.Framework) int64 {
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nodeList, err := f.ClientSet.CoreV1().Nodes().List(metav1.ListOptions{})
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framework.ExpectNoError(err, "getting node list")
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var gpusAvailable int64
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for _, node := range nodeList.Items {
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if val, ok := node.Status.Capacity[gpuResourceName]; ok {
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gpusAvailable += (&val).Value()
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}
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}
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return gpusAvailable
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}
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func SetupNVIDIAGPUNode(f *framework.Framework, setupResourceGatherer bool) *framework.ContainerResourceGatherer {
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// Skip the test if the base image is not COS.
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// TODO: Add support for other base images.
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// CUDA apps require host mounts which is not portable across base images (yet).
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framework.Logf("Checking base image")
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if !isClusterRunningCOS(f) {
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Skip("Nvidia GPU tests are supproted only on Container Optimized OS image currently")
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}
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framework.Logf("Cluster is running on COS. Proceeding with test")
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if f.BaseName == "gpus" {
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dsYamlUrl = "https://raw.githubusercontent.com/ContainerEngine/accelerators/master/cos-nvidia-gpu-installer/daemonset.yaml"
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gpuResourceName = v1.ResourceNvidiaGPU
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podCreationFunc = makeCudaAdditionTestPod
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} else {
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dsYamlUrlFromEnv := os.Getenv("NVIDIA_DRIVER_INSTALLER_DAEMONSET")
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if dsYamlUrlFromEnv != "" {
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dsYamlUrl = dsYamlUrlFromEnv
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} else {
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dsYamlUrl = "https://raw.githubusercontent.com/GoogleCloudPlatform/container-engine-accelerators/master/daemonset.yaml"
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}
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gpuResourceName = framework.NVIDIAGPUResourceName
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podCreationFunc = makeCudaAdditionDevicePluginTestPod
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}
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framework.Logf("Using %v", dsYamlUrl)
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// Creates the DaemonSet that installs Nvidia Drivers.
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ds, err := framework.DsFromManifest(dsYamlUrl)
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Expect(err).NotTo(HaveOccurred())
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ds.Namespace = f.Namespace.Name
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_, err = f.ClientSet.ExtensionsV1beta1().DaemonSets(f.Namespace.Name).Create(ds)
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framework.ExpectNoError(err, "failed to create nvidia-driver-installer daemonset")
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framework.Logf("Successfully created daemonset to install Nvidia drivers.")
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pods, err := framework.WaitForControlledPods(f.ClientSet, ds.Namespace, ds.Name, extensionsinternal.Kind("DaemonSet"))
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framework.ExpectNoError(err, "failed to get pods controlled by the nvidia-driver-installer daemonset")
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devicepluginPods, err := framework.WaitForControlledPods(f.ClientSet, "kube-system", "nvidia-gpu-device-plugin", extensionsinternal.Kind("DaemonSet"))
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if err == nil {
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framework.Logf("Adding deviceplugin addon pod.")
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pods.Items = append(pods.Items, devicepluginPods.Items...)
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}
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var rsgather *framework.ContainerResourceGatherer
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if setupResourceGatherer {
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framework.Logf("Starting ResourceUsageGather for the created DaemonSet pods.")
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rsgather, err = framework.NewResourceUsageGatherer(f.ClientSet, framework.ResourceGathererOptions{false, false, 2 * time.Second, 2 * time.Second, true}, pods)
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framework.ExpectNoError(err, "creating ResourceUsageGather for the daemonset pods")
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go rsgather.StartGatheringData()
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}
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// Wait for Nvidia GPUs to be available on nodes
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framework.Logf("Waiting for drivers to be installed and GPUs to be available in Node Capacity...")
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Eventually(func() bool {
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return areGPUsAvailableOnAllSchedulableNodes(f)
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}, driverInstallTimeout, time.Second).Should(BeTrue())
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return rsgather
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}
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func testNvidiaGPUsOnCOS(f *framework.Framework) {
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rsgather := SetupNVIDIAGPUNode(f, true)
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framework.Logf("Creating as many pods as there are Nvidia GPUs and have the pods run a CUDA app")
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podList := []*v1.Pod{}
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for i := int64(0); i < getGPUsAvailable(f); i++ {
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podList = append(podList, f.PodClient().Create(podCreationFunc()))
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}
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framework.Logf("Wait for all test pods to succeed")
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// Wait for all pods to succeed
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for _, po := range podList {
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f.PodClient().WaitForSuccess(po.Name, 5*time.Minute)
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}
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framework.Logf("Stopping ResourceUsageGather")
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constraints := make(map[string]framework.ResourceConstraint)
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// For now, just gets summary. Can pass valid constraints in the future.
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summary, err := rsgather.StopAndSummarize([]int{50, 90, 100}, constraints)
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f.TestSummaries = append(f.TestSummaries, summary)
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framework.ExpectNoError(err, "getting resource usage summary")
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}
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var _ = SIGDescribe("[Feature:GPU]", func() {
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f := framework.NewDefaultFramework("gpus")
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It("run Nvidia GPU tests on Container Optimized OS only", func() {
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testNvidiaGPUsOnCOS(f)
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})
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})
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var _ = SIGDescribe("[Feature:GPUDevicePlugin]", func() {
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f := framework.NewDefaultFramework("device-plugin-gpus")
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It("run Nvidia GPU Device Plugin tests on Container Optimized OS only", func() {
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testNvidiaGPUsOnCOS(f)
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})
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})
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