mirror of https://github.com/etcd-io/dbtester.git
128 lines
2.9 KiB
Go
128 lines
2.9 KiB
Go
// Copyright 2017 CoreOS, Inc.
|
|
//
|
|
// 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 fileinspect implements various file inspecting utils.
|
|
package fileinspect
|
|
|
|
import (
|
|
"os"
|
|
"path/filepath"
|
|
"sort"
|
|
"strings"
|
|
|
|
humanize "github.com/dustin/go-humanize"
|
|
)
|
|
|
|
// Walk walks all files in the target directory.
|
|
func Walk(targetDir string) (map[string]os.FileInfo, error) {
|
|
rm := make(map[string]os.FileInfo)
|
|
visit := func(path string, f os.FileInfo, err error) error {
|
|
if f != nil {
|
|
if !f.IsDir() {
|
|
wd, err := os.Getwd()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
rm[filepath.Join(wd, strings.Replace(path, wd, "", -1))] = f
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
err := filepath.Walk(targetDir, visit)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return rm, nil
|
|
}
|
|
|
|
// Size returns the size of target directory, in bytes.
|
|
// Same as 'du -sh $DIR'.
|
|
func Size(targetDir string) (int64, error) {
|
|
fm, err := Walk(targetDir)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
var size int64
|
|
for _, v := range fm {
|
|
size += v.Size()
|
|
}
|
|
return size, nil
|
|
}
|
|
|
|
func walk(targetDir string) (map[string]os.FileInfo, error) {
|
|
rm := make(map[string]os.FileInfo)
|
|
visit := func(path string, f os.FileInfo, err error) error {
|
|
if f != nil {
|
|
if !f.IsDir() {
|
|
if !filepath.HasPrefix(path, ".") && !strings.Contains(path, "/.") {
|
|
wd, err := os.Getwd()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
rm[filepath.Join(wd, strings.Replace(path, wd, "", -1))] = f
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
err := filepath.Walk(targetDir, visit)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return rm, nil
|
|
}
|
|
|
|
type filepathSize struct {
|
|
path string
|
|
size uint64
|
|
sizeTxt string
|
|
}
|
|
|
|
func filterByKbs(fs []filepathSize, kbLimit int) []filepathSize {
|
|
var ns []filepathSize
|
|
for _, v := range fs {
|
|
if v.size > uint64(kbLimit*1024) {
|
|
continue
|
|
}
|
|
ns = append(ns, v)
|
|
}
|
|
return ns
|
|
}
|
|
|
|
type filepathSizeSlice []filepathSize
|
|
|
|
func (f filepathSizeSlice) Len() int { return len(f) }
|
|
func (f filepathSizeSlice) Swap(i, j int) { f[i], f[j] = f[j], f[i] }
|
|
func (f filepathSizeSlice) Less(i, j int) bool { return f[i].size < f[j].size }
|
|
|
|
func walkDir(targetDir string) ([]filepathSize, error) {
|
|
rm, err := walk(targetDir)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var fs []filepathSize
|
|
for k, v := range rm {
|
|
fv := filepathSize{
|
|
path: k,
|
|
size: uint64(v.Size()),
|
|
sizeTxt: humanize.Bytes(uint64(v.Size())),
|
|
}
|
|
fs = append(fs, fv)
|
|
}
|
|
sort.Sort(filepathSizeSlice(fs))
|
|
|
|
return fs, nil
|
|
}
|