k8s.io/kubernetes@v1.29.3/pkg/kubelet/cm/cgroup_manager_unsupported.go (about)

     1  //go:build !linux
     2  // +build !linux
     3  
     4  /*
     5  Copyright 2016 The Kubernetes Authors.
     6  
     7  Licensed under the Apache License, Version 2.0 (the "License");
     8  you may not use this file except in compliance with the License.
     9  You may obtain a copy of the License at
    10  
    11      http://www.apache.org/licenses/LICENSE-2.0
    12  
    13  Unless required by applicable law or agreed to in writing, software
    14  distributed under the License is distributed on an "AS IS" BASIS,
    15  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    16  See the License for the specific language governing permissions and
    17  limitations under the License.
    18  */
    19  
    20  package cm
    21  
    22  import (
    23  	"errors"
    24  
    25  	v1 "k8s.io/api/core/v1"
    26  )
    27  
    28  type unsupportedCgroupManager struct{}
    29  
    30  var errNotSupported = errors.New("Cgroup Manager is not supported in this build")
    31  
    32  // Make sure that unsupportedCgroupManager implements the CgroupManager interface
    33  var _ CgroupManager = &unsupportedCgroupManager{}
    34  
    35  type CgroupSubsystems struct {
    36  	Mounts      []interface{}
    37  	MountPoints map[string]string
    38  }
    39  
    40  func NewCgroupManager(_ interface{}) CgroupManager {
    41  	return &unsupportedCgroupManager{}
    42  }
    43  
    44  func (m *unsupportedCgroupManager) Name(_ CgroupName) string {
    45  	return ""
    46  }
    47  
    48  func (m *unsupportedCgroupManager) Validate(_ CgroupName) error {
    49  	return errNotSupported
    50  }
    51  
    52  func (m *unsupportedCgroupManager) Exists(_ CgroupName) bool {
    53  	return false
    54  }
    55  
    56  func (m *unsupportedCgroupManager) Destroy(_ *CgroupConfig) error {
    57  	return nil
    58  }
    59  
    60  func (m *unsupportedCgroupManager) Update(_ *CgroupConfig) error {
    61  	return nil
    62  }
    63  
    64  func (m *unsupportedCgroupManager) Create(_ *CgroupConfig) error {
    65  	return errNotSupported
    66  }
    67  
    68  func (m *unsupportedCgroupManager) MemoryUsage(_ CgroupName) (int64, error) {
    69  	return -1, errNotSupported
    70  }
    71  
    72  func (m *unsupportedCgroupManager) Pids(_ CgroupName) []int {
    73  	return nil
    74  }
    75  
    76  func (m *unsupportedCgroupManager) CgroupName(name string) CgroupName {
    77  	return CgroupName([]string{})
    78  }
    79  
    80  func (m *unsupportedCgroupManager) ReduceCPULimits(cgroupName CgroupName) error {
    81  	return nil
    82  }
    83  
    84  func (m *unsupportedCgroupManager) GetCgroupConfig(name CgroupName, resource v1.ResourceName) (*ResourceConfig, error) {
    85  	return nil, errNotSupported
    86  }
    87  
    88  func (m *unsupportedCgroupManager) SetCgroupConfig(name CgroupName, resource v1.ResourceName, resourceConfig *ResourceConfig) error {
    89  	return errNotSupported
    90  }
    91  
    92  var RootCgroupName = CgroupName([]string{})
    93  
    94  func NewCgroupName(base CgroupName, components ...string) CgroupName {
    95  	return append(append([]string{}, base...), components...)
    96  }
    97  
    98  func (cgroupName CgroupName) ToSystemd() string {
    99  	return ""
   100  }
   101  
   102  func ParseSystemdToCgroupName(name string) CgroupName {
   103  	return nil
   104  }
   105  
   106  func (cgroupName CgroupName) ToCgroupfs() string {
   107  	return ""
   108  }
   109  
   110  func ParseCgroupfsToCgroupName(name string) CgroupName {
   111  	return nil
   112  }
   113  
   114  func IsSystemdStyleName(name string) bool {
   115  	return false
   116  }