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All code must use the context from Ginkgo when doing API calls or polling for a change, otherwise the code would not return immediately when the test gets aborted.
93 lines
2.8 KiB
Go
93 lines
2.8 KiB
Go
/*
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Copyright 2019 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 node
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import (
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"context"
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"github.com/onsi/ginkgo/v2"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/kubernetes/test/e2e/framework"
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e2enode "k8s.io/kubernetes/test/e2e/framework/node"
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e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
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e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
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imageutils "k8s.io/kubernetes/test/utils/image"
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admissionapi "k8s.io/pod-security-admission/api"
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)
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var _ = SIGDescribe("PodOSRejection [NodeConformance]", func() {
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f := framework.NewDefaultFramework("pod-os-rejection")
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f.NamespacePodSecurityEnforceLevel = admissionapi.LevelBaseline
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ginkgo.Context("Kubelet", func() {
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ginkgo.It("should reject pod when the node OS doesn't match pod's OS", func(ctx context.Context) {
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linuxNode, err := findLinuxNode(ctx, f)
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framework.ExpectNoError(err)
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pod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "wrong-pod-os",
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Namespace: f.Namespace.Name,
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},
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Spec: v1.PodSpec{
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OS: &v1.PodOS{
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Name: "windows", // explicitly set the pod OS to a wrong but valid value
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},
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Containers: []v1.Container{
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{
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Name: "wrong-pod-os",
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Image: imageutils.GetPauseImageName(),
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},
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},
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NodeName: linuxNode.Name, // Set the node to an node which doesn't support
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},
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}
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pod = e2epod.NewPodClient(f).Create(ctx, pod)
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// Check the pod is still not running
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err = e2epod.WaitForPodFailedReason(ctx, f.ClientSet, pod, "PodOSNotSupported", f.Timeouts.PodStartShort)
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framework.ExpectNoError(err)
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})
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})
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})
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// findLinuxNode finds a Linux node that is Ready and Schedulable
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func findLinuxNode(ctx context.Context, f *framework.Framework) (v1.Node, error) {
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selector := labels.Set{"kubernetes.io/os": "linux"}.AsSelector()
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nodeList, err := f.ClientSet.CoreV1().Nodes().List(ctx, metav1.ListOptions{LabelSelector: selector.String()})
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if err != nil {
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return v1.Node{}, err
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}
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var targetNode v1.Node
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foundNode := false
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for _, n := range nodeList.Items {
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if e2enode.IsNodeReady(&n) && e2enode.IsNodeSchedulable(&n) {
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targetNode = n
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foundNode = true
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break
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}
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}
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if !foundNode {
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e2eskipper.Skipf("Could not find and ready and schedulable Linux nodes")
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}
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return targetNode, nil
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}
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