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e2e tests

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Signed-off-by: ndixita <ndixita@google.com>
This commit is contained in:
ndixita
2024-11-03 22:01:48 +00:00
parent 5a64597d2e
commit 99a6153a4f
5 changed files with 451 additions and 32 deletions
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36
test/e2e/framework/pod/resize.go
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@@ -243,22 +243,10 @@ func VerifyPodStatusResources(gotPod *v1.Pod, wantCtrs []ResizableContainerInfo)
return utilerrors.NewAggregate(errs)
}
// isPodOnCgroupv2Node checks whether the pod is running on cgroupv2 node.
// TODO: Deduplicate this function with NPD cluster e2e test:
// https://github.com/kubernetes/kubernetes/blob/2049360379bcc5d6467769cef112e6e492d3d2f0/test/e2e/node/node_problem_detector.go#L369
func isPodOnCgroupv2Node(f *framework.Framework, pod *v1.Pod) bool {
cmd := "mount -t cgroup2"
out, _, err := ExecCommandInContainerWithFullOutput(f, pod.Name, pod.Spec.Containers[0].Name, "/bin/sh", "-c", cmd)
if err != nil {
return false
}
return len(out) != 0
}
func VerifyPodContainersCgroupValues(ctx context.Context, f *framework.Framework, pod *v1.Pod, tcInfo []ResizableContainerInfo) error {
ginkgo.GinkgoHelper()
if podOnCgroupv2Node == nil {
value := isPodOnCgroupv2Node(f, pod)
value := IsPodOnCgroupv2Node(f, pod)
podOnCgroupv2Node = &value
}
cgroupMemLimit := Cgroupv2MemLimit
@@ -269,21 +257,7 @@ func VerifyPodContainersCgroupValues(ctx context.Context, f *framework.Framework
cgroupCPULimit = CgroupCPUQuota
cgroupCPURequest = CgroupCPUShares
}
verifyCgroupValue := func(cName, cgPath, expectedCgValue string) error {
cmd := fmt.Sprintf("head -n 1 %s", cgPath)
framework.Logf("Namespace %s Pod %s Container %s - looking for cgroup value %s in path %s",
pod.Namespace, pod.Name, cName, expectedCgValue, cgPath)
cgValue, _, err := ExecCommandInContainerWithFullOutput(f, pod.Name, cName, "/bin/sh", "-c", cmd)
if err != nil {
return fmt.Errorf("failed to read cgroup %q for container %s: %w", cgPath, cName, err)
}
cgValue = strings.Trim(cgValue, "\n")
if cgValue != expectedCgValue {
return fmt.Errorf("container %s cgroup %q doesn't match expected: got %q want %q",
cName, cgPath, cgValue, expectedCgValue)
}
return nil
}
var errs []error
for _, ci := range tcInfo {
if ci.Resources == nil {
@@ -320,10 +294,10 @@ func VerifyPodContainersCgroupValues(ctx context.Context, f *framework.Framework
expectedCPUShares = int64(1 + ((expectedCPUShares-2)*9999)/262142)
}
if expectedMemLimitString != "0" {
errs = append(errs, verifyCgroupValue(ci.Name, cgroupMemLimit, expectedMemLimitString))
errs = append(errs, VerifyCgroupValue(f, pod, ci.Name, cgroupMemLimit, expectedMemLimitString))
}
errs = append(errs, verifyCgroupValue(ci.Name, cgroupCPULimit, expectedCPULimitString))
errs = append(errs, verifyCgroupValue(ci.Name, cgroupCPURequest, strconv.FormatInt(expectedCPUShares, 10)))
errs = append(errs, VerifyCgroupValue(f, pod, ci.Name, cgroupCPULimit, expectedCPULimitString))
errs = append(errs, VerifyCgroupValue(f, pod, ci.Name, cgroupCPURequest, strconv.FormatInt(expectedCPUShares, 10)))
}
}
return utilerrors.NewAggregate(errs)