e2e_node: enable and fix cgroups test for systemd

Signed-off-by: Peter Hunt <pehunt@redhat.com>
This commit is contained in:
Peter Hunt 2024-08-07 09:30:56 -04:00
parent 60c4c2b252
commit dd2dcc0b0a

View File

@ -37,7 +37,6 @@ import (
admissionapi "k8s.io/pod-security-admission/api"
"k8s.io/kubernetes/test/e2e/framework"
e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
"k8s.io/kubernetes/test/e2e/nodefeature"
e2enodekubelet "k8s.io/kubernetes/test/e2e_node/kubeletconfig"
@ -45,7 +44,7 @@ import (
"github.com/onsi/gomega"
)
func setDesiredConfiguration(initialConfig *kubeletconfig.KubeletConfiguration) {
func setDesiredConfiguration(initialConfig *kubeletconfig.KubeletConfiguration, cgroupManager cm.CgroupManager) {
initialConfig.EnforceNodeAllocatable = []string{"pods", kubeReservedCgroup, systemReservedCgroup}
initialConfig.SystemReserved = map[string]string{
string(v1.ResourceCPU): "100m",
@ -62,6 +61,11 @@ func setDesiredConfiguration(initialConfig *kubeletconfig.KubeletConfiguration)
initialConfig.CgroupsPerQOS = true
initialConfig.KubeReservedCgroup = kubeReservedCgroup
initialConfig.SystemReservedCgroup = systemReservedCgroup
if initialConfig.CgroupDriver == "systemd" {
initialConfig.KubeReservedCgroup = cm.NewCgroupName(cm.RootCgroupName, kubeReservedCgroup).ToSystemd()
initialConfig.SystemReservedCgroup = cm.NewCgroupName(cm.RootCgroupName, systemReservedCgroup).ToSystemd()
}
}
var _ = SIGDescribe("Node Container Manager", framework.WithSerial(), func() {
@ -172,15 +176,6 @@ func runTest(ctx context.Context, f *framework.Framework) error {
return err
}
// Test needs to be updated to make it run properly on systemd.
// In its current state it will result in kubelet error since
// kubeReservedCgroup and systemReservedCgroup are not configured
// correctly for systemd.
// See: https://github.com/kubernetes/kubernetes/issues/102394
if oldCfg.CgroupDriver == "systemd" {
e2eskipper.Skipf("unable to run test when using systemd as cgroup driver")
}
// Create a cgroup manager object for manipulating cgroups.
cgroupManager := cm.NewCgroupManager(subsystems, oldCfg.CgroupDriver)
@ -210,9 +205,10 @@ func runTest(ctx context.Context, f *framework.Framework) error {
if err := createTemporaryCgroupsForReservation(cgroupManager); err != nil {
return err
}
newCfg := oldCfg.DeepCopy()
// Change existing kubelet configuration
setDesiredConfiguration(newCfg)
setDesiredConfiguration(newCfg, cgroupManager)
// Set the new kubelet configuration.
// Update the Kubelet configuration.
ginkgo.By("Stopping the kubelet")
@ -311,7 +307,7 @@ func runTest(ctx context.Context, f *framework.Framework) error {
cgroupPath := ""
if currentConfig.CgroupDriver == "systemd" {
cgroupPath = cm.ParseSystemdToCgroupName(kubeReservedCgroup).ToSystemd()
cgroupPath = cm.NewCgroupName(cm.RootCgroupName, kubeReservedCgroup).ToSystemd()
} else {
cgroupPath = cgroupManager.Name(cm.NewCgroupName(cm.RootCgroupName, kubeReservedCgroup))
}
@ -339,7 +335,7 @@ func runTest(ctx context.Context, f *framework.Framework) error {
}
if currentConfig.CgroupDriver == "systemd" {
cgroupPath = cm.ParseSystemdToCgroupName(systemReservedCgroup).ToSystemd()
cgroupPath = cm.NewCgroupName(cm.RootCgroupName, systemReservedCgroup).ToSystemd()
} else {
cgroupPath = cgroupManager.Name(cm.NewCgroupName(cm.RootCgroupName, systemReservedCgroup))
}