Remove general available feature-gate CPUManager

Signed-off-by: carlory <baofa.fan@daocloud.io>

Author: carlory

pkg/features/kube_features.go

@@ -84,11 +84,6 @@ const (
 // Enable nodes to change CPUCFSQuotaPeriod
 CPUCFSQuotaPeriod featuregate.Feature = "CustomCPUCFSQuotaPeriod"
 
-// owner: @ConnorDoyle, @fromanirh (only for GA graduation)
-//
-// Alternative container-level CPU affinity policies.
-CPUManager featuregate.Feature = "CPUManager"
-
 // owner: @fromanirh
 // beta: see below.
 //
@@ -1046,12 +1041,6 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 {Version: version.MustParse("1.12"), Default: false, PreRelease: featuregate.Alpha},
 },
 
-CPUManager: {
-{Version: version.MustParse("1.8"), Default: false, PreRelease: featuregate.Alpha},
-{Version: version.MustParse("1.10"), Default: true, PreRelease: featuregate.Beta},
-{Version: version.MustParse("1.26"), Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // GA in 1.26
-},
-
 CPUManagerPolicyAlphaOptions: {
 {Version: version.MustParse("1.23"), Default: false, PreRelease: featuregate.Alpha},
 },

pkg/generated/openapi/zz_generated.openapi.go

@@ -253,13 +253,11 @@ type KubeletConfiguration struct {
 // a group. It means that if true, the behavior aligns with the behavior of cgroups v1.
 SingleProcessOOMKill *bool
 // CPUManagerPolicy is the name of the policy to use.
-// Requires the CPUManager feature gate to be enabled.
 CPUManagerPolicy string
 // CPUManagerPolicyOptions is a set of key=value which	allows to set extra options
 // to fine tune the behaviour of the cpu manager policies.
 CPUManagerPolicyOptions map[string]string
 // CPU Manager reconciliation period.
-// Requires the CPUManager feature gate to be enabled.
 CPUManagerReconcilePeriod metav1.Duration
 // MemoryManagerPolicy is the name of the policy to use.
 // Requires the MemoryManager feature gate to be enabled.

pkg/kubelet/apis/config/types.go

@@ -2867,12 +2867,10 @@ func (kl *Kubelet) HandlePodSyncs(pods []*v1.Pod) {
 // otherwise.
 func (kl *Kubelet) canResizePod(pod *v1.Pod) (bool, string, string) {
 if v1qos.GetPodQOS(pod) == v1.PodQOSGuaranteed && !utilfeature.DefaultFeatureGate.Enabled(features.InPlacePodVerticalScalingExclusiveCPUs) {
-if utilfeature.DefaultFeatureGate.Enabled(features.CPUManager) {
-if kl.containerManager.GetNodeConfig().CPUManagerPolicy == "static" {
-msg := "Resize is infeasible for Guaranteed Pods alongside CPU Manager static policy"
-klog.V(3).InfoS(msg, "pod", format.Pod(pod))
-return false, v1.PodReasonInfeasible, msg
-}
+if kl.containerManager.GetNodeConfig().CPUManagerPolicy == "static" {
+msg := "Resize is infeasible for Guaranteed Pods alongside CPU Manager static policy"
+klog.V(3).InfoS(msg, "pod", format.Pod(pod))
+return false, v1.PodReasonInfeasible, msg
 }
 if utilfeature.DefaultFeatureGate.Enabled(features.MemoryManager) {
 if kl.containerManager.GetNodeConfig().MemoryManagerPolicy == "Static" {

pkg/kubelet/kubelet.go

@@ -391,7 +391,6 @@ type KubeletConfiguration struct {
 // +optional
 CgroupDriver string `json:"cgroupDriver,omitempty"`
 // cpuManagerPolicy is the name of the policy to use.
-// Requires the CPUManager feature gate to be enabled.
 // Default: "None"
 // +optional
 CPUManagerPolicy string `json:"cpuManagerPolicy,omitempty"`
@@ -410,7 +409,6 @@ type KubeletConfiguration struct {
 // +optional
 CPUManagerPolicyOptions map[string]string `json:"cpuManagerPolicyOptions,omitempty"`
 // cpuManagerReconcilePeriod is the reconciliation period for the CPU Manager.
-// Requires the CPUManager feature gate to be enabled.
 // Default: "10s"
 // +optional
 CPUManagerReconcilePeriod metav1.Duration `json:"cpuManagerReconcilePeriod,omitempty"`

staging/src/k8s.io/kubelet/config/v1beta1/types.go

@@ -267,20 +267,6 @@
  lockToDefault: false
  preRelease: Alpha
  version: "1.12"
-- name: CPUManager
- versionedSpecs:
- - default: false
- lockToDefault: false
- preRelease: Alpha
- version: "1.8"
- - default: true
- lockToDefault: false
- preRelease: Beta
- version: "1.10"
- - default: true
- lockToDefault: true
- preRelease: GA
- version: "1.26"
 - name: CPUManagerPolicyAlphaOptions
  versionedSpecs:
  - default: false