| /* |
| Copyright 2015 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 container |
| |
| import ( |
| "io/ioutil" |
| "os" |
| "path/filepath" |
| "time" |
| ) |
| |
| // OSInterface collects system level operations that need to be mocked out |
| // during tests. |
| type OSInterface interface { |
| MkdirAll(path string, perm os.FileMode) error |
| Symlink(oldname string, newname string) error |
| Stat(path string) (os.FileInfo, error) |
| Remove(path string) error |
| RemoveAll(path string) error |
| Create(path string) (*os.File, error) |
| Chmod(path string, perm os.FileMode) error |
| Hostname() (name string, err error) |
| Chtimes(path string, atime time.Time, mtime time.Time) error |
| Pipe() (r *os.File, w *os.File, err error) |
| ReadDir(dirname string) ([]os.FileInfo, error) |
| Glob(pattern string) ([]string, error) |
| } |
| |
| // RealOS is used to dispatch the real system level operations. |
| type RealOS struct{} |
| |
| // MkdirAll will call os.MkdirAll to create a directory. |
| func (RealOS) MkdirAll(path string, perm os.FileMode) error { |
| return os.MkdirAll(path, perm) |
| } |
| |
| // Symlink will call os.Symlink to create a symbolic link. |
| func (RealOS) Symlink(oldname string, newname string) error { |
| return os.Symlink(oldname, newname) |
| } |
| |
| // Stat will call os.Stat to get the FileInfo for a given path |
| func (RealOS) Stat(path string) (os.FileInfo, error) { |
| return os.Stat(path) |
| } |
| |
| // Remove will call os.Remove to remove the path. |
| func (RealOS) Remove(path string) error { |
| return os.Remove(path) |
| } |
| |
| // RemoveAll will call os.RemoveAll to remove the path and its children. |
| func (RealOS) RemoveAll(path string) error { |
| return os.RemoveAll(path) |
| } |
| |
| // Create will call os.Create to create and return a file |
| // at path. |
| func (RealOS) Create(path string) (*os.File, error) { |
| return os.Create(path) |
| } |
| |
| // Chmod will change the permissions on the specified path or return |
| // an error. |
| func (RealOS) Chmod(path string, perm os.FileMode) error { |
| return os.Chmod(path, perm) |
| } |
| |
| // Hostname will call os.Hostname to return the hostname. |
| func (RealOS) Hostname() (name string, err error) { |
| return os.Hostname() |
| } |
| |
| // Chtimes will call os.Chtimes to change the atime and mtime of the path |
| func (RealOS) Chtimes(path string, atime time.Time, mtime time.Time) error { |
| return os.Chtimes(path, atime, mtime) |
| } |
| |
| // Pipe will call os.Pipe to return a connected pair of pipe. |
| func (RealOS) Pipe() (r *os.File, w *os.File, err error) { |
| return os.Pipe() |
| } |
| |
| // ReadDir will call ioutil.ReadDir to return the files under the directory. |
| func (RealOS) ReadDir(dirname string) ([]os.FileInfo, error) { |
| return ioutil.ReadDir(dirname) |
| } |
| |
| // Glob will call filepath.Glob to return the names of all files matching |
| // pattern. |
| func (RealOS) Glob(pattern string) ([]string, error) { |
| return filepath.Glob(pattern) |
| } |