mirror of https://github.com/kubernetes/kops.git
128 lines
3.0 KiB
Go
128 lines
3.0 KiB
Go
/*
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Copyright 2017 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 vfs
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import (
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"bytes"
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"fmt"
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"io"
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"path"
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"strings"
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"k8s.io/kops/util/pkg/hashing"
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)
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// KubernetesPath is a path for a VFS backed by the kubernetes API
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// Currently all operations are no-ops
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type KubernetesPath struct {
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k8sContext *KubernetesContext
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host string
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key string
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}
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var _ Path = &KubernetesPath{}
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var _ HasHash = &KubernetesPath{}
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func newKubernetesPath(k8sContext *KubernetesContext, host string, key string) *KubernetesPath {
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host = strings.TrimSuffix(host, "/")
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key = strings.TrimPrefix(key, "/")
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return &KubernetesPath{
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k8sContext: k8sContext,
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host: host,
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key: key,
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}
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}
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func (p *KubernetesPath) Path() string {
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return "k8s://" + p.host + "/" + p.key
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}
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func (p *KubernetesPath) Host() string {
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return p.host
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}
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func (p *KubernetesPath) Key() string {
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return p.key
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}
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func (p *KubernetesPath) String() string {
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return p.Path()
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}
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func (p *KubernetesPath) Remove() error {
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return fmt.Errorf("KubernetesPath::Remove not supported")
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}
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func (p *KubernetesPath) RemoveAllVersions() error {
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return p.Remove()
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}
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func (p *KubernetesPath) Join(relativePath ...string) Path {
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args := []string{p.key}
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args = append(args, relativePath...)
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joined := path.Join(args...)
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return &KubernetesPath{
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k8sContext: p.k8sContext,
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host: p.host,
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key: joined,
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}
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}
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func (p *KubernetesPath) WriteFile(data io.ReadSeeker, acl ACL) error {
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return fmt.Errorf("KubernetesPath::WriteFile not supported")
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}
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func (p *KubernetesPath) CreateFile(data io.ReadSeeker, acl ACL) error {
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return fmt.Errorf("KubernetesPath::CreateFile not supported")
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}
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// ReadFile implements Path::ReadFile
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func (p *KubernetesPath) ReadFile() ([]byte, error) {
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var b bytes.Buffer
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_, err := p.WriteTo(&b)
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if err != nil {
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return nil, err
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}
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return b.Bytes(), nil
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}
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// WriteTo implements io.WriterTo
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func (p *KubernetesPath) WriteTo(out io.Writer) (int64, error) {
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return 0, fmt.Errorf("KubernetesPath::WriteTo not supported")
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}
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func (p *KubernetesPath) ReadDir() ([]Path, error) {
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return nil, fmt.Errorf("KubernetesPath::ReadDir not supported")
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}
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func (p *KubernetesPath) ReadTree() ([]Path, error) {
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return nil, fmt.Errorf("KubernetesPath::ReadTree not supported")
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}
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func (p *KubernetesPath) Base() string {
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return path.Base(p.key)
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}
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func (p *KubernetesPath) PreferredHash() (*hashing.Hash, error) {
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return p.Hash(hashing.HashAlgorithmMD5)
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}
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func (p *KubernetesPath) Hash(a hashing.HashAlgorithm) (*hashing.Hash, error) {
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return nil, fmt.Errorf("KubernetesPath::Hash not supported")
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}
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