k8s.io/kubernetes@v1.29.3/pkg/volume/util/subpath/subpath_unsupported.go (about)

     1  //go:build !linux && !windows
     2  // +build !linux,!windows
     3  
     4  /*
     5  Copyright 2014 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 subpath
    21  
    22  import (
    23  	"errors"
    24  	"os"
    25  
    26  	"k8s.io/mount-utils"
    27  	"k8s.io/utils/nsenter"
    28  )
    29  
    30  type subpath struct{}
    31  
    32  var errUnsupported = errors.New("util/subpath on this platform is not supported")
    33  
    34  // New returns a subpath.Interface for the current system.
    35  func New(mount.Interface) Interface {
    36  	return &subpath{}
    37  }
    38  
    39  // NewNSEnter is to satisfy the compiler for having NewSubpathNSEnter exist for all
    40  // OS choices. however, NSEnter is only valid on Linux
    41  func NewNSEnter(mounter mount.Interface, ne *nsenter.Nsenter, rootDir string) Interface {
    42  	return nil
    43  }
    44  
    45  func (sp *subpath) PrepareSafeSubpath(subPath Subpath) (newHostPath string, cleanupAction func(), err error) {
    46  	return subPath.Path, nil, errUnsupported
    47  }
    48  
    49  func (sp *subpath) CleanSubPaths(podDir string, volumeName string) error {
    50  	return errUnsupported
    51  }
    52  
    53  func (sp *subpath) SafeMakeDir(pathname string, base string, perm os.FileMode) error {
    54  	return errUnsupported
    55  }