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// 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"
"os"
"path"
"path/filepath"
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/unknwon/cae/zip"
"github.com/unknwon/com"
"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: "file, f",
Value: fmt.Sprintf("gitea-dump-%d.zip", time.Now().Unix()),
Usage: "Name of the dump file which will be created.",
},
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",
},
cli.BoolFlag{
Name: "skip-repository, R",
Usage: "Skip the repository dumping",
},
cli.BoolFlag{
Name: "skip-log, L",
Usage: "Skip the log dumping",
},
},
}
func fatal(format string, args ...interface{}) {
fmt.Fprintf(os.Stderr, format+"\n", args...)
log.Fatal(format, args...)
}
func runDump(ctx *cli.Context) error {
setting.NewContext()
setting.NewServices() // cannot access session settings otherwise
err := models.SetEngine()
if err != nil {
return err
}
tmpDir := ctx.String("tempdir")
if _, err := os.Stat(tmpDir); os.IsNotExist(err) {
fatal("Path does not exist: %s", tmpDir)
}
tmpWorkDir, err := ioutil.TempDir(tmpDir, "gitea-dump-")
if err != nil {
fatal("Failed to create tmp work directory: %v", err)
}
log.Info("Creating tmp work dir: %s", tmpWorkDir)
// work-around #1103
if os.Getenv("TMPDIR") == "" {
os.Setenv("TMPDIR", tmpWorkDir)
}
dbDump := path.Join(tmpWorkDir, "gitea-db.sql")
fileName := ctx.String("file")
log.Info("Packing dump files...")
z, err := zip.Create(fileName)
if err != nil {
fatal("Failed to create %s: %v", fileName, err)
}
zip.Verbose = ctx.Bool("verbose")
if ctx.IsSet("skip-repository") && ctx.Bool("skip-repository") {
log.Info("Skip dumping local repositories")
} else {
log.Info("Dumping local repositories...%s", setting.RepoRootPath)
reposDump := path.Join(tmpWorkDir, "gitea-repo.zip")
if err := zip.PackTo(setting.RepoRootPath, reposDump, true); err != nil {
fatal("Failed to dump local repositories: %v", err)
}
if err := z.AddFile("gitea-repo.zip", reposDump); err != nil {
fatal("Failed to include gitea-repo.zip: %v", err)
}
}
targetDBType := ctx.String("database")
if len(targetDBType) > 0 && targetDBType != setting.Database.Type {
log.Info("Dumping database %s => %s...", setting.Database.Type, targetDBType)
} else {
log.Info("Dumping database...")
}
if err := models.DumpDatabase(dbDump, targetDBType); err != nil {
fatal("Failed to dump database: %v", err)
}
if err := z.AddFile("gitea-db.sql", dbDump); err != nil {
fatal("Failed to include gitea-db.sql: %v", err)
}
if len(setting.CustomConf) > 0 {
log.Info("Adding custom configuration file from %s", setting.CustomConf)
if err := z.AddFile("app.ini", setting.CustomConf); err != nil {
fatal("Failed to include specified app.ini: %v", err)
}
}
customDir, err := os.Stat(setting.CustomPath)
if err == nil && customDir.IsDir() {
if err := z.AddDir("custom", setting.CustomPath); err != nil {
fatal("Failed to include custom: %v", err)
}
} else {
log.Info("Custom dir %s doesn't exist, skipped", setting.CustomPath)
}
if com.IsExist(setting.AppDataPath) {
log.Info("Packing data directory...%s", setting.AppDataPath)
var sessionAbsPath string
if setting.SessionConfig.Provider == "file" {
sessionAbsPath = setting.SessionConfig.ProviderConfig
}
if err := zipAddDirectoryExclude(z, "data", setting.AppDataPath, sessionAbsPath); err != nil {
fatal("Failed to include data directory: %v", err)
}
}
// Doesn't check if LogRootPath exists before processing --skip-log intentionally,
// ensuring that it's clear the dump is skipped whether the directory's initialized
// yet or not.
if ctx.IsSet("skip-log") && ctx.Bool("skip-log") {
log.Info("Skip dumping log files")
} else if com.IsExist(setting.LogRootPath) {
if err := z.AddDir("log", setting.LogRootPath); err != nil {
fatal("Failed to include log: %v", err)
}
}
if err = z.Close(); err != nil {
_ = os.Remove(fileName)
fatal("Failed to save %s: %v", fileName, err)
}
if err := os.Chmod(fileName, 0600); err != nil {
log.Info("Can't change file access permissions mask to 0600: %v", err)
}
log.Info("Removing tmp work dir: %s", tmpWorkDir)
if err := os.RemoveAll(tmpWorkDir); err != nil {
fatal("Failed to remove %s: %v", tmpWorkDir, err)
}
log.Info("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
}
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