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test: add e2e test

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Signed-off-by: Jian Zeng <anonymousknight96@gmail.com>
This commit is contained in:
Jian Zeng 2024-10-13 00:20:46 +08:00
parent 4193824215
commit 1a2c557d44
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2 changed files with 86 additions and 2 deletions
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5
test/e2e/feature/feature.go
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@ -268,6 +268,11 @@ var (
// Marks a single test that tests Pod Lifecycle Sleep action with zero duration. Requires feature gate PodLifecycleSleepActionAllowZero to be enabled.
PodLifecycleSleepActionAllowZero = framework.WithFeature(framework.ValidFeatures.Add("PodLifecycleSleepActionAllowZero"))
// Owner: sig-node
// Marks tests that require a cluster with PodLogsQuerySplitStreams
// (used for testing specific log stream <https://kep.k8s.io/3288>)
PodLogsQuerySplitStreams = framework.WithFeature(framework.ValidFeatures.Add("PodLogsQuerySplitStreams"))
// TODO: document the feature (owning SIG, when to use this feature for a test)
PodPriority = framework.WithFeature(framework.ValidFeatures.Add("PodPriority"))

83
test/e2e/node/kubelet.go
View File

@ -28,12 +28,15 @@ import (
"time"
"github.com/onsi/gomega"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/apimachinery/pkg/util/wait"
clientset "k8s.io/client-go/kubernetes"
admissionapi "k8s.io/pod-security-admission/api"
"k8s.io/kubernetes/test/e2e/feature"
"k8s.io/kubernetes/test/e2e/framework"
e2ekubectl "k8s.io/kubernetes/test/e2e/framework/kubectl"
@ -46,7 +49,6 @@ import (
e2evolume "k8s.io/kubernetes/test/e2e/framework/volume"
testutils "k8s.io/kubernetes/test/utils"
imageutils "k8s.io/kubernetes/test/utils/image"
admissionapi "k8s.io/pod-security-admission/api"
"github.com/onsi/ginkgo/v2"
)
@ -144,7 +146,7 @@ func createPodUsingNfs(ctx context.Context, f *framework.Framework, c clientset.
},
},
},
RestartPolicy: v1.RestartPolicyNever, //don't restart pod
RestartPolicy: v1.RestartPolicyNever, // don't restart pod
Volumes: []v1.Volume{
{
Name: "nfs-vol",
@ -640,6 +642,76 @@ var _ = SIGDescribe("kubelet", func() {
})
})
var _ = SIGDescribe("specific log stream", feature.PodLogsQuerySplitStreams, func() {
var (
c clientset.Interface
ns string
)
f := framework.NewDefaultFramework("pod-log-stream")
f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged
ginkgo.BeforeEach(func() {
c = f.ClientSet
ns = f.Namespace.Name
})
ginkgo.It("kubectl get --raw /api/v1/namespaces/default/pods/<pod-name>/log?stream", func(ctx context.Context) {
ginkgo.By("create pod")
pod := &v1.Pod{
TypeMeta: metav1.TypeMeta{
Kind: "Pod",
APIVersion: "v1",
},
ObjectMeta: metav1.ObjectMeta{
GenerateName: "log-stream-",
Namespace: ns,
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "log-stream",
Image: imageutils.GetE2EImage(imageutils.BusyBox),
Command: []string{"/bin/sh"},
Args: []string{"-c", "echo out1; echo err1 >&2; tail -f /dev/null"},
},
},
RestartPolicy: v1.RestartPolicyNever, // don't restart pod
},
}
rtnPod, err := c.CoreV1().Pods(ns).Create(ctx, pod, metav1.CreateOptions{})
framework.ExpectNoError(err)
err = e2epod.WaitTimeoutForPodReadyInNamespace(ctx, f.ClientSet, rtnPod.Name, f.Namespace.Name, framework.PodStartTimeout) // running & ready
framework.ExpectNoError(err)
rtnPod, err = c.CoreV1().Pods(ns).Get(ctx, rtnPod.Name, metav1.GetOptions{}) // return fresh pod
framework.ExpectNoError(err)
ginkgo.By("Starting the command")
tk := e2ekubectl.NewTestKubeconfig(framework.TestContext.CertDir, framework.TestContext.Host, framework.TestContext.KubeConfig, framework.TestContext.KubeContext, framework.TestContext.KubectlPath, ns)
queryCommand := fmt.Sprintf("/api/v1/namespaces/%s/pods/%s/log?stream=All", rtnPod.Namespace, rtnPod.Name)
cmd := tk.KubectlCmd("get", "--raw", queryCommand)
result := runKubectlCommand(cmd)
// the order of the logs is indeterminate
assertContains("out1", result)
assertContains("err1", result)
queryCommand = fmt.Sprintf("/api/v1/namespaces/%s/pods/%s/log?stream=Stdout", rtnPod.Namespace, rtnPod.Name)
cmd = tk.KubectlCmd("get", "--raw", queryCommand)
result = runKubectlCommand(cmd)
assertContains("out1", result)
assertNotContains("err1", result)
queryCommand = fmt.Sprintf("/api/v1/namespaces/%s/pods/%s/log?stream=Stderr", rtnPod.Namespace, rtnPod.Name)
cmd = tk.KubectlCmd("get", "--raw", queryCommand)
result = runKubectlCommand(cmd)
assertContains("err1", result)
assertNotContains("out1", result)
})
})
func getLinuxNodes(nodes *v1.NodeList) *v1.NodeList {
filteredNodes := nodes
e2enode.Filter(filteredNodes, func(node v1.Node) bool {
@ -696,6 +768,13 @@ func assertContains(expectedString string, result string) {
framework.Failf("Failed to find \"%s\"", expectedString)
}
func assertNotContains(expectedString string, result string) {
if !strings.Contains(result, expectedString) {
return
}
framework.Failf("Found unexpected \"%s\"", expectedString)
}
func commandOnNode(nodeName string, cmd string) string {
result, err := e2essh.NodeExec(context.Background(), nodeName, cmd, framework.TestContext.Provider)
framework.ExpectNoError(err)