github.com/jingruilea/kubeedge@v1.2.0-beta.0.0.20200410162146-4bb8902b3879/edge/pkg/edged/clcm/clcm_policy_none.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  
    16  @CHANGELOG
    17  KubeEdge Authors: To create mini-kubelet for edge deployment scenario,
    18  This file is derived from K8S Kubelet code with reduced set of methods
    19  */
    20  
    21  package clcm
    22  
    23  import (
    24  	"time"
    25  
    26  	v1 "k8s.io/api/core/v1"
    27  	"k8s.io/klog"
    28  	"k8s.io/kubernetes/pkg/kubelet/cm/cpumanager"
    29  	"k8s.io/kubernetes/pkg/kubelet/cm/cpuset"
    30  )
    31  
    32  const (
    33  	//PolicyNone define no policy
    34  	PolicyNone      = "none"
    35  	reconcilePeriod = 1 * time.Second
    36  )
    37  
    38  type containerLifecycleManagerImpl struct {
    39  	cpuManager cpumanager.Manager
    40  }
    41  
    42  var _ ContainerLifecycleManager = &containerLifecycleManagerImpl{}
    43  
    44  // NewContainerLifecycleManager create new object for container lifecycle manager
    45  func NewContainerLifecycleManager(kubeletRootDir string) (ContainerLifecycleManager, error) {
    46  	var err error
    47  	clcm := &containerLifecycleManagerImpl{}
    48  	result := make(v1.ResourceList)
    49  	clcm.cpuManager, err = cpumanager.NewManager(
    50  		PolicyNone,
    51  		reconcilePeriod,
    52  		nil,
    53  		nil,
    54  		cpuset.NewCPUSet(),
    55  		result,
    56  		kubeletRootDir,
    57  		nil,
    58  	)
    59  	if err != nil {
    60  		klog.Errorf("failed to initialize cpu manager: %v", err)
    61  		return nil, err
    62  	}
    63  	return clcm, nil
    64  }
    65  
    66  func (clcm *containerLifecycleManagerImpl) InternalContainerLifecycle() InternalContainerLifecycle {
    67  	return &internalContainerLifecycleImpl{clcm.cpuManager}
    68  }