forgejo/cmd/dump.go
2017-02-26 16:01:49 +08:00

188 lines
5.1 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2016 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package cmd
import (
"fmt"
"io/ioutil"
"log"
"os"
"path"
"path/filepath"
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/setting"
"github.com/Unknwon/cae/zip"
"github.com/urfave/cli"
)
// CmdDump represents the available dump sub-command.
var CmdDump = cli.Command{
Name: "dump",
Usage: "Dump Gitea files and database",
Description: `Dump compresses all related files and database into zip file.
It can be used for backup and capture Gitea server image to send to maintainer`,
Action: runDump,
Flags: []cli.Flag{
cli.StringFlag{
Name: "config, c",
Value: "custom/conf/app.ini",
Usage: "Custom configuration file path",
},
cli.BoolFlag{
Name: "verbose, v",
Usage: "Show process details",
},
cli.StringFlag{
Name: "tempdir, t",
Value: os.TempDir(),
Usage: "Temporary dir path",
},
cli.StringFlag{
Name: "database, d",
Usage: "Specify the database SQL syntax",
},
},
}
func runDump(ctx *cli.Context) error {
if ctx.IsSet("config") {
setting.CustomConf = ctx.String("config")
}
setting.NewContext()
setting.NewServices() // cannot access session settings otherwise
models.LoadConfigs()
err := models.SetEngine()
if err != nil {
return err
}
tmpDir := ctx.String("tempdir")
if _, err := os.Stat(tmpDir); os.IsNotExist(err) {
log.Fatalf("Path does not exist: %s", tmpDir)
}
TmpWorkDir, err := ioutil.TempDir(tmpDir, "gitea-dump-")
if err != nil {
log.Fatalf("Failed to create tmp work directory: %v", err)
}
log.Printf("Creating tmp work dir: %s", TmpWorkDir)
reposDump := path.Join(TmpWorkDir, "gitea-repo.zip")
dbDump := path.Join(TmpWorkDir, "gitea-db.sql")
log.Printf("Dumping local repositories...%s", setting.RepoRootPath)
zip.Verbose = ctx.Bool("verbose")
if err := zip.PackTo(setting.RepoRootPath, reposDump, true); err != nil {
log.Fatalf("Failed to dump local repositories: %v", err)
}
targetDBType := ctx.String("database")
if len(targetDBType) > 0 && targetDBType != models.DbCfg.Type {
log.Printf("Dumping database %s => %s...", models.DbCfg.Type, targetDBType)
} else {
log.Printf("Dumping database...")
}
if err := models.DumpDatabase(dbDump, targetDBType); err != nil {
log.Fatalf("Failed to dump database: %v", err)
}
fileName := fmt.Sprintf("gitea-dump-%d.zip", time.Now().Unix())
log.Printf("Packing dump files...")
z, err := zip.Create(fileName)
if err != nil {
log.Fatalf("Failed to create %s: %v", fileName, err)
}
if err := z.AddFile("gitea-repo.zip", reposDump); err != nil {
log.Fatalf("Failed to include gitea-repo.zip: %v", err)
}
if err := z.AddFile("gitea-db.sql", dbDump); err != nil {
log.Fatalf("Failed to include gitea-db.sql: %v", err)
}
customDir, err := os.Stat(setting.CustomPath)
if err == nil && customDir.IsDir() {
if err := z.AddDir("custom", setting.CustomPath); err != nil {
log.Fatalf("Failed to include custom: %v", err)
}
} else {
log.Printf("Custom dir %s doesn't exist, skipped", setting.CustomPath)
}
log.Printf("Packing data directory...%s", setting.AppDataPath)
var sessionAbsPath string
if setting.SessionConfig.Provider == "file" {
if len(setting.SessionConfig.ProviderConfig) == 0 {
setting.SessionConfig.ProviderConfig = "data/sessions"
}
sessionAbsPath, _ = filepath.Abs(setting.SessionConfig.ProviderConfig)
}
if err := zipAddDirectoryExclude(z, "data", setting.AppDataPath, sessionAbsPath); err != nil {
log.Fatalf("Failed to include data directory: %v", err)
}
if err := z.AddDir("log", setting.LogRootPath); err != nil {
log.Fatalf("Failed to include log: %v", err)
}
if err = z.Close(); err != nil {
_ = os.Remove(fileName)
log.Fatalf("Failed to save %s: %v", fileName, err)
}
if err := os.Chmod(fileName, 0600); err != nil {
log.Printf("Can't change file access permissions mask to 0600: %v", err)
}
log.Printf("Removing tmp work dir: %s", TmpWorkDir)
if err := os.RemoveAll(TmpWorkDir); err != nil {
log.Fatalf("Failed to remove %s: %v", TmpWorkDir, err)
}
log.Printf("Finish dumping in file %s", fileName)
return nil
}
// zipAddDirectoryExclude zips absPath to specified zipPath inside z excluding excludeAbsPath
func zipAddDirectoryExclude(zip *zip.ZipArchive, zipPath, absPath string, excludeAbsPath string) error {
absPath, err := filepath.Abs(absPath)
if err != nil {
return err
}
dir, err := os.Open(absPath)
if err != nil {
return err
}
defer dir.Close()
zip.AddEmptyDir(zipPath)
files, err := dir.Readdir(0)
if err != nil {
return err
}
for _, file := range files {
currentAbsPath := path.Join(absPath, file.Name())
currentZipPath := path.Join(zipPath, file.Name())
if file.IsDir() {
if currentAbsPath != excludeAbsPath {
if err = zipAddDirectoryExclude(zip, currentZipPath, currentAbsPath, excludeAbsPath); err != nil {
return err
}
}
} else {
if err = zip.AddFile(currentZipPath, currentAbsPath); err != nil {
return err
}
}
}
return nil
}