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Add e2e to validate stats for Windows hostprocess containers

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Signed-off-by: Mark Rossetti <marosset@microsoft.com>
This commit is contained in:
Mark Rossetti 2022-07-21 14:22:36 -07:00
parent 4d50d28777
commit da0b66b3fe
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1 changed files with 79 additions and 0 deletions
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79
test/e2e/windows/host_process.go
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@ -31,6 +31,7 @@ import (
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/kubernetes/test/e2e/framework"
e2ekubelet "k8s.io/kubernetes/test/e2e/framework/kubelet"
e2emetrics "k8s.io/kubernetes/test/e2e/framework/metrics"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
@ -600,6 +601,84 @@ var _ = SIGDescribe("[Feature:WindowsHostProcessContainers] [MinimumKubeletVersi
gomega.Expect(beforeMetrics.StartedInitContainersErrorCount).To(gomega.BeNumerically("<", afterMetrics.StartedInitContainersErrorCount), "Count of started HostProcess errors init containers should increase")
})
ginkgo.It("container stats validation", func() {
ginkgo.By("selecting a Windows node")
targetNode, err := findWindowsNode(f)
framework.ExpectNoError(err, "Error finding Windows node")
framework.Logf("Using node: %v", targetNode.Name)
ginkgo.By("schedule a pod with a HostProcess container")
image := imageutils.GetConfig(imageutils.BusyBox)
podName := "host-process-stats-pod"
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: podName,
},
Spec: v1.PodSpec{
SecurityContext: &v1.PodSecurityContext{
WindowsOptions: &v1.WindowsSecurityContextOptions{
HostProcess: &trueVar,
RunAsUserName: &User_NTAuthorityLocalService,
},
},
HostNetwork: true,
Containers: []v1.Container{
{
Image: image.GetE2EImage(),
Name: "host-process-stats",
Command: []string{"powershell.exe", "-Command", "Write-Host 'Hello'; sleep -Seconds 600"},
},
},
RestartPolicy: v1.RestartPolicyNever,
NodeName: targetNode.Name,
},
}
e2epod.NewPodClient(f).Create(pod)
ginkgo.By("Waiting for the pod to start running")
timeout := 3 * time.Minute
e2epod.WaitForPodsRunningReady(f.ClientSet, f.Namespace.Name, 1, 0, timeout, make(map[string]string))
ginkgo.By("Getting container stats for pod")
nodeStats, err := e2ekubelet.GetStatsSummary(f.ClientSet, targetNode.Name)
framework.ExpectNoError(err, "Error getting node stats")
statsChecked := false
for _, podStats := range nodeStats.Pods {
if podStats.PodRef.Namespace != f.Namespace.Name {
continue
}
// check various pod stats
if *podStats.CPU.UsageCoreNanoSeconds <= 0 {
framework.Failf("Pod %s/%s stats report cpu usage equal to %v but should be greater than 0", podStats.PodRef.Namespace, podStats.PodRef.Name, *podStats.CPU.UsageCoreNanoSeconds)
}
if *podStats.Memory.WorkingSetBytes <= 0 {
framework.Failf("Pod %s/%s stats report memory usage equal to %v but should be greater than 0", podStats.PodRef.Namespace, podStats.PodRef.Name, *podStats.CPU.UsageCoreNanoSeconds)
}
for _, containerStats := range podStats.Containers {
statsChecked = true
// check various container stats
if *containerStats.CPU.UsageCoreNanoSeconds <= 0 {
framework.Failf("Container %s stats report cpu usage equal to %v but should be greater than 0", containerStats.Name, *containerStats.CPU.UsageCoreNanoSeconds)
}
if *containerStats.Memory.WorkingSetBytes <= 0 {
framework.Failf("Container %s stats report memory usage equal to %v but should be greater than 0", containerStats.Name, *containerStats.Memory.WorkingSetBytes)
}
if *containerStats.Logs.UsedBytes <= 0 {
framework.Failf("Container %s stats log usage equal to %v but should be greater than 0", containerStats.Name, *containerStats.Logs.UsedBytes)
}
}
}
if !statsChecked {
framework.Failf("Failed to get stats for pod %s/%s", f.Namespace.Name, podName)
}
})
})
func makeTestPodWithVolumeMounts(name string) *v1.Pod {