| /* |
| Copyright 2017 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package cm |
| |
| import ( |
| "k8s.io/api/core/v1" |
| |
| utilfeature "k8s.io/apiserver/pkg/util/feature" |
| kubefeatures "k8s.io/kubernetes/pkg/features" |
| "k8s.io/kubernetes/pkg/kubelet/cm/cpumanager" |
| ) |
| |
| type InternalContainerLifecycle interface { |
| PreStartContainer(pod *v1.Pod, container *v1.Container, containerID string) error |
| PreStopContainer(containerID string) error |
| PostStopContainer(containerID string) error |
| } |
| |
| // Implements InternalContainerLifecycle interface. |
| type internalContainerLifecycleImpl struct { |
| cpuManager cpumanager.Manager |
| } |
| |
| func (i *internalContainerLifecycleImpl) PreStartContainer(pod *v1.Pod, container *v1.Container, containerID string) error { |
| if utilfeature.DefaultFeatureGate.Enabled(kubefeatures.CPUManager) { |
| return i.cpuManager.AddContainer(pod, container, containerID) |
| } |
| return nil |
| } |
| |
| func (i *internalContainerLifecycleImpl) PreStopContainer(containerID string) error { |
| if utilfeature.DefaultFeatureGate.Enabled(kubefeatures.CPUManager) { |
| return i.cpuManager.RemoveContainer(containerID) |
| } |
| return nil |
| } |
| |
| func (i *internalContainerLifecycleImpl) PostStopContainer(containerID string) error { |
| if utilfeature.DefaultFeatureGate.Enabled(kubefeatures.CPUManager) { |
| return i.cpuManager.RemoveContainer(containerID) |
| } |
| return nil |
| } |