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108 lines
3.2 KiB
Go
108 lines
3.2 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package container
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"time"
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)
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// OSInterface collects system level operations that need to be mocked out
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// during tests.
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type OSInterface interface {
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MkdirAll(path string, perm os.FileMode) error
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Symlink(oldname string, newname string) error
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Stat(path string) (os.FileInfo, error)
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Remove(path string) error
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RemoveAll(path string) error
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Create(path string) (*os.File, error)
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Chmod(path string, perm os.FileMode) error
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Hostname() (name string, err error)
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Chtimes(path string, atime time.Time, mtime time.Time) error
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Pipe() (r *os.File, w *os.File, err error)
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ReadDir(dirname string) ([]os.FileInfo, error)
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Glob(pattern string) ([]string, error)
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}
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// RealOS is used to dispatch the real system level operations.
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type RealOS struct{}
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// MkdirAll will call os.MkdirAll to create a directory.
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func (RealOS) MkdirAll(path string, perm os.FileMode) error {
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return os.MkdirAll(path, perm)
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}
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// Symlink will call os.Symlink to create a symbolic link.
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func (RealOS) Symlink(oldname string, newname string) error {
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return os.Symlink(oldname, newname)
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}
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// Stat will call os.Stat to get the FileInfo for a given path
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func (RealOS) Stat(path string) (os.FileInfo, error) {
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return os.Stat(path)
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}
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// Remove will call os.Remove to remove the path.
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func (RealOS) Remove(path string) error {
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return os.Remove(path)
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}
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// RemoveAll will call os.RemoveAll to remove the path and its children.
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func (RealOS) RemoveAll(path string) error {
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return os.RemoveAll(path)
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}
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// Create will call os.Create to create and return a file
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// at path.
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func (RealOS) Create(path string) (*os.File, error) {
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return os.Create(path)
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}
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// Chmod will change the permissions on the specified path or return
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// an error.
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func (RealOS) Chmod(path string, perm os.FileMode) error {
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return os.Chmod(path, perm)
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}
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// Hostname will call os.Hostname to return the hostname.
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func (RealOS) Hostname() (name string, err error) {
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return os.Hostname()
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}
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// Chtimes will call os.Chtimes to change the atime and mtime of the path
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func (RealOS) Chtimes(path string, atime time.Time, mtime time.Time) error {
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return os.Chtimes(path, atime, mtime)
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}
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// Pipe will call os.Pipe to return a connected pair of pipe.
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func (RealOS) Pipe() (r *os.File, w *os.File, err error) {
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return os.Pipe()
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}
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// ReadDir will call ioutil.ReadDir to return the files under the directory.
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func (RealOS) ReadDir(dirname string) ([]os.FileInfo, error) {
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return ioutil.ReadDir(dirname)
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}
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// Glob will call filepath.Glob to return the names of all files matching
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// pattern.
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func (RealOS) Glob(pattern string) ([]string, error) {
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return filepath.Glob(pattern)
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}
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