minio/docs/debugging/healing-bin/main.go

137 lines
3.2 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"archive/zip"
"bytes"
"encoding/json"
"fmt"
"io"
"log"
"os"
"strings"
"github.com/minio/cli"
"github.com/tinylib/msgp/msgp"
)
func main() {
app := cli.NewApp()
app.Copyright = "MinIO, Inc."
app.Usage = "healing.bin to JSON"
app.HideVersion = true
app.HideHelpCommand = true
app.CustomAppHelpTemplate = `NAME:
{{.Name}} - {{.Usage}}
USAGE:
{{.Name}} {{if .VisibleFlags}}[FLAGS]{{end}} [HEALINGBINFILE|INSPECTZIPFILE]
files ending in '.zip' will be searched for '.healing.bin files recursively and
printed together as a single JSON.
FLAGS:
{{range .VisibleFlags}}{{.}}
{{end}}
`
app.Flags = []cli.Flag{}
app.Action = func(c *cli.Context) error {
if !c.Args().Present() {
cli.ShowAppHelpAndExit(c, 1) // last argument is exit code
}
ht := make(map[string]map[string]interface{})
file := c.Args().Get(0)
if strings.HasSuffix(file, ".zip") {
var sz int64
f, err := os.Open(file)
if err != nil {
return err
}
if st, err := f.Stat(); err == nil {
sz = st.Size()
}
defer f.Close()
zr, err := zip.NewReader(f, sz)
if err != nil {
return err
}
for _, file := range zr.File {
if !file.FileInfo().IsDir() && strings.HasSuffix(file.Name, ".healing.bin") {
r, err := file.Open()
if err != nil {
return err
}
b, err := io.ReadAll(r)
if err != nil {
return err
}
buf := bytes.NewBuffer(nil)
if _, err = msgp.CopyToJSON(buf, bytes.NewReader(b)); err != nil {
return err
}
dec := json.NewDecoder(buf)
// Use number to preserve integers.
dec.UseNumber()
var htr map[string]interface{}
if err = dec.Decode(&htr); err != nil {
return err
}
ht[file.Name] = htr
}
}
b, err := json.MarshalIndent(ht, "", " ")
if err != nil {
return err
}
fmt.Println(string(b))
return nil
}
b, err := os.ReadFile(file)
if err != nil {
return err
}
buf := bytes.NewBuffer(nil)
if _, err = msgp.CopyToJSON(buf, bytes.NewReader(b)); err != nil {
return err
}
var htr map[string]interface{}
dec := json.NewDecoder(buf)
// Use number to preserve integers.
dec.UseNumber()
if err = dec.Decode(&htr); err != nil {
return err
}
ht[file] = htr
b, err = json.MarshalIndent(ht, "", " ")
if err != nil {
return err
}
fmt.Println(string(b))
return nil
}
err := app.Run(os.Args)
if err != nil {
log.Fatal(err)
}
}