k8s.io/kubernetes@v1.29.3/test/e2e/common/node/pod_admission.go (about) 1 /* 2 Copyright 2019 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package node 18 19 import ( 20 "context" 21 22 "github.com/onsi/ginkgo/v2" 23 24 v1 "k8s.io/api/core/v1" 25 metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" 26 "k8s.io/apimachinery/pkg/labels" 27 "k8s.io/kubernetes/test/e2e/framework" 28 e2enode "k8s.io/kubernetes/test/e2e/framework/node" 29 e2epod "k8s.io/kubernetes/test/e2e/framework/pod" 30 e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper" 31 imageutils "k8s.io/kubernetes/test/utils/image" 32 admissionapi "k8s.io/pod-security-admission/api" 33 ) 34 35 var _ = SIGDescribe("PodOSRejection", framework.WithNodeConformance(), func() { 36 f := framework.NewDefaultFramework("pod-os-rejection") 37 f.NamespacePodSecurityLevel = admissionapi.LevelBaseline 38 ginkgo.Context("Kubelet", func() { 39 ginkgo.It("should reject pod when the node OS doesn't match pod's OS", func(ctx context.Context) { 40 linuxNode, err := findLinuxNode(ctx, f) 41 framework.ExpectNoError(err) 42 pod := &v1.Pod{ 43 ObjectMeta: metav1.ObjectMeta{ 44 Name: "wrong-pod-os", 45 Namespace: f.Namespace.Name, 46 }, 47 Spec: v1.PodSpec{ 48 OS: &v1.PodOS{ 49 Name: "windows", // explicitly set the pod OS to a wrong but valid value 50 }, 51 Containers: []v1.Container{ 52 { 53 Name: "wrong-pod-os", 54 Image: imageutils.GetPauseImageName(), 55 }, 56 }, 57 NodeName: linuxNode.Name, // Set the node to an node which doesn't support 58 }, 59 } 60 pod = e2epod.NewPodClient(f).Create(ctx, pod) 61 // Check the pod is still not running 62 err = e2epod.WaitForPodFailedReason(ctx, f.ClientSet, pod, "PodOSNotSupported", f.Timeouts.PodStartShort) 63 framework.ExpectNoError(err) 64 }) 65 }) 66 }) 67 68 // findLinuxNode finds a Linux node that is Ready and Schedulable 69 func findLinuxNode(ctx context.Context, f *framework.Framework) (v1.Node, error) { 70 selector := labels.Set{"kubernetes.io/os": "linux"}.AsSelector() 71 nodeList, err := f.ClientSet.CoreV1().Nodes().List(ctx, metav1.ListOptions{LabelSelector: selector.String()}) 72 73 if err != nil { 74 return v1.Node{}, err 75 } 76 77 var targetNode v1.Node 78 foundNode := false 79 for _, n := range nodeList.Items { 80 if e2enode.IsNodeReady(&n) && e2enode.IsNodeSchedulable(&n) { 81 targetNode = n 82 foundNode = true 83 break 84 } 85 } 86 87 if !foundNode { 88 e2eskipper.Skipf("Could not find and ready and schedulable Linux nodes") 89 } 90 91 return targetNode, nil 92 }