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repo.go
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repo.go
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// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you 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 manifests
import (
"embed"
"fmt"
"os"
"path/filepath"
"github.com/apache/skywalking-swck/operator/pkg/kubernetes"
)
var _ kubernetes.Repo = &AssetsRepo{}
//go:embed fetcher injector oapserver satellite storage ui
var manifests embed.FS
// AssetsRepo provides templates through assets
type AssetsRepo struct {
Root string
}
func NewRepo(component string) *AssetsRepo {
return &AssetsRepo{Root: component}
}
// ReadFile reads the content of compiled in files at path and returns a buffer with the data.
func (a *AssetsRepo) ReadFile(path string) ([]byte, error) {
return manifests.ReadFile(path)
}
func (a *AssetsRepo) GetFilesRecursive(path string) ([]string, error) {
absolutePath := fmt.Sprintf("%s/%s", a.Root, path)
rootFI, err := Stat(absolutePath)
if err != nil {
return nil, err
}
return getFilesRecursive(filepath.Dir(absolutePath), rootFI)
}
func getFilesRecursive(prefix string, root os.FileInfo) ([]string, error) {
if !root.IsDir() {
return nil, fmt.Errorf("not a dir: %s", root.Name())
}
prefix = filepath.Join(prefix, root.Name())
fs, _ := manifests.ReadDir(prefix)
out := make([]string, 0)
for _, f := range fs {
info, err := Stat(filepath.Join(prefix, f.Name()))
if err != nil {
return nil, err
}
if !f.IsDir() {
out = append(out, filepath.Join(prefix, f.Name()))
continue
}
nfs, err := getFilesRecursive(prefix, info)
if err != nil {
return nil, err
}
out = append(out, nfs...)
}
return out, nil
}
// Stat returns a FileInfo object for the given path.
func Stat(path string) (os.FileInfo, error) {
f, err := manifests.Open(path)
if err != nil {
return nil, err
}
return f.Stat()
}