mirror of https://github.com/kubernetes/kops.git
146 lines
3.0 KiB
Go
146 lines
3.0 KiB
Go
/*
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Copyright 2019 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 models
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import (
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"errors"
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"io"
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"os"
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"path"
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"strings"
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"k8s.io/kops/util/pkg/vfs"
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)
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var ReadOnlyError = errors.New("AssetPath is read-only")
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type AssetPath struct {
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location string
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}
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var _ vfs.Path = &AssetPath{}
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func NewAssetPath(location string) *AssetPath {
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a := &AssetPath{
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location: location,
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}
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return a
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}
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func (p *AssetPath) Join(relativePath ...string) vfs.Path {
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args := []string{p.location}
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args = append(args, relativePath...)
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joined := path.Join(args...)
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return &AssetPath{location: joined}
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}
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func (p *AssetPath) WriteFile(data io.ReadSeeker, acl vfs.ACL) error {
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return ReadOnlyError
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}
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func (p *AssetPath) CreateFile(data io.ReadSeeker, acl vfs.ACL) error {
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return ReadOnlyError
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}
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// WriteTo implements io.WriterTo
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func (p *AssetPath) WriteTo(out io.Writer) (int64, error) {
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data, err := p.ReadFile()
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if err != nil {
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return 0, err
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}
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n, err := out.Write(data)
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return int64(n), err
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}
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// ReadFile implements Path::ReadFile
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func (p *AssetPath) ReadFile() ([]byte, error) {
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data, err := Asset(p.location)
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if err != nil {
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// Yuk
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if strings.Contains(err.Error(), "not found") {
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return nil, os.ErrNotExist
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}
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}
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return data, err
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}
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func (p *AssetPath) ReadDir() ([]vfs.Path, error) {
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files, err := AssetDir(p.location)
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if err != nil {
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// Yuk
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if strings.Contains(err.Error(), "not found") {
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return nil, os.ErrNotExist
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}
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return nil, err
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}
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var paths []vfs.Path
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for _, f := range files {
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paths = append(paths, NewAssetPath(path.Join(p.location, f)))
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}
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return paths, nil
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}
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func (p *AssetPath) ReadTree() ([]vfs.Path, error) {
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var paths []vfs.Path
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err := readTree(p.location, &paths)
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if err != nil {
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return nil, err
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}
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return paths, nil
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}
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func readTree(base string, dest *[]vfs.Path) error {
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files, err := AssetDir(base)
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if err != nil {
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// Yuk
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if strings.Contains(err.Error(), "not found") {
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return os.ErrNotExist
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}
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return err
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}
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for _, f := range files {
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p := path.Join(base, f)
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*dest = append(*dest, NewAssetPath(p))
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// We always assume a directory, but ignore if not found
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// This is because go-bindata doesn't support FileInfo on directories :-(
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{
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err = readTree(p, dest)
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if err != nil && !os.IsNotExist(err) {
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return err
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}
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}
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}
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return nil
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}
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func (p *AssetPath) Base() string {
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return path.Base(p.location)
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}
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func (p *AssetPath) Path() string {
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return p.location
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}
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func (p *AssetPath) String() string {
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return p.Path()
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}
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func (p *AssetPath) Remove() error {
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return ReadOnlyError
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}
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