1Panel/backend/app/service/backup_app.go

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package service
import (
"context"
"encoding/json"
"fmt"
"io/fs"
"os"
"path"
"strings"
"time"
"github.com/1Panel-dev/1Panel/backend/app/dto"
"github.com/1Panel-dev/1Panel/backend/app/model"
"github.com/1Panel-dev/1Panel/backend/constant"
"github.com/1Panel-dev/1Panel/backend/global"
"github.com/1Panel-dev/1Panel/backend/utils/compose"
"github.com/1Panel-dev/1Panel/backend/utils/files"
"github.com/pkg/errors"
)
func (u *BackupService) AppBackup(req dto.CommonBackup) error {
localDir, err := loadLocalDir()
if err != nil {
return err
}
app, err := appRepo.GetFirst(appRepo.WithKey(req.Name))
if err != nil {
return err
}
install, err := appInstallRepo.GetFirst(commonRepo.WithByName(req.DetailName), appInstallRepo.WithAppId(app.ID))
if err != nil {
return err
}
timeNow := time.Now().Format("20060102150405")
backupDir := fmt.Sprintf("%s/app/%s/%s", localDir, req.Name, req.DetailName)
fileName := fmt.Sprintf("%s_%s.tar.gz", req.DetailName, timeNow)
if err := handleAppBackup(&install, backupDir, fileName); err != nil {
return err
}
record := &model.BackupRecord{
Type: "app",
Name: req.Name,
DetailName: req.DetailName,
Source: "LOCAL",
BackupType: "LOCAL",
FileDir: backupDir,
FileName: fileName,
}
if err := backupRepo.CreateRecord(record); err != nil {
global.LOG.Errorf("save backup record failed, err: %v", err)
return err
}
return nil
}
func (u *BackupService) AppRecover(req dto.CommonRecover) error {
app, err := appRepo.GetFirst(appRepo.WithKey(req.Name))
if err != nil {
return err
}
install, err := appInstallRepo.GetFirst(commonRepo.WithByName(req.DetailName), appInstallRepo.WithAppId(app.ID))
if err != nil {
return err
}
fileOp := files.NewFileOp()
if !fileOp.Stat(req.File) {
return errors.New(fmt.Sprintf("%s file is not exist", req.File))
}
if _, err := compose.Down(install.GetComposePath()); err != nil {
return err
}
if err := handleAppRecover(&install, req.File, false); err != nil {
return err
}
return nil
}
func handleAppBackup(install *model.AppInstall, backupDir, fileName string) error {
fileOp := files.NewFileOp()
tmpDir := fmt.Sprintf("%s/%s", backupDir, strings.ReplaceAll(fileName, ".tar.gz", ""))
if !fileOp.Stat(tmpDir) {
if err := os.MkdirAll(tmpDir, os.ModePerm); err != nil {
return fmt.Errorf("mkdir %s failed, err: %v", backupDir, err)
}
}
defer func() {
_ = os.RemoveAll(tmpDir)
}()
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remarkInfo, _ := json.Marshal(install)
remarkInfoPath := fmt.Sprintf("%s/app.json", tmpDir)
if err := fileOp.SaveFile(remarkInfoPath, string(remarkInfo), fs.ModePerm); err != nil {
return err
}
appPath := fmt.Sprintf("%s/%s", install.GetPath(), install.Name)
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if err := handleTar(appPath, tmpDir, "app.tar.gz", ""); err != nil {
return err
}
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resource, _ := appInstallResourceRepo.GetFirst(appInstallResourceRepo.WithAppInstallId(install.ID))
if resource.ID != 0 && resource.ResourceId != 0 {
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mysqlInfo, err := appInstallRepo.LoadBaseInfo(constant.AppMysql, "")
if err != nil {
return err
}
db, err := mysqlRepo.Get(commonRepo.WithByID(resource.ResourceId))
if err != nil {
return err
}
if err := handleMysqlBackup(mysqlInfo, tmpDir, db.Name, fmt.Sprintf("%s.sql.gz", install.Name)); err != nil {
return err
}
}
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if err := handleTar(tmpDir, backupDir, fileName, ""); err != nil {
return err
}
return nil
}
func handleAppRecover(install *model.AppInstall, recoverFile string, isRollback bool) error {
isOk := false
fileOp := files.NewFileOp()
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if err := handleUnTar(recoverFile, path.Dir(recoverFile)); err != nil {
return err
}
tmpPath := strings.ReplaceAll(recoverFile, ".tar.gz", "")
defer func() {
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_, _ = compose.Up(install.GetComposePath())
_ = os.RemoveAll(strings.ReplaceAll(recoverFile, ".tar.gz", ""))
}()
if !fileOp.Stat(tmpPath+"/app.json") || !fileOp.Stat(tmpPath+"/app.tar.gz") {
return errors.New("the wrong recovery package does not have app.json or app.tar.gz files")
}
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var oldInstall model.AppInstall
appjson, err := os.ReadFile(tmpPath + "/app.json")
if err != nil {
return err
}
if err := json.Unmarshal(appjson, &oldInstall); err != nil {
return fmt.Errorf("unmarshal app.json failed, err: %v", err)
}
if oldInstall.App.Key != install.App.Key || oldInstall.Name != install.Name || oldInstall.Version != install.Version || oldInstall.ID != install.ID {
return errors.New("the current backup file does not match the application")
}
if !isRollback {
rollbackFile := fmt.Sprintf("%s/original/app/%s_%s.tar.gz", global.CONF.System.BaseDir, install.Name, time.Now().Format("20060102150405"))
if err := handleAppBackup(install, path.Dir(rollbackFile), path.Base(rollbackFile)); err != nil {
return fmt.Errorf("backup app %s for rollback before recover failed, err: %v", install.Name, err)
}
defer func() {
if !isOk {
global.LOG.Info("recover failed, start to rollback now")
if err := handleAppRecover(install, rollbackFile, true); err != nil {
global.LOG.Errorf("rollback app %s from %s failed, err: %v", install.Name, rollbackFile, err)
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return
}
global.LOG.Infof("rollback app %s from %s successful", install.Name, rollbackFile)
_ = os.RemoveAll(rollbackFile)
} else {
_ = os.RemoveAll(rollbackFile)
}
}()
}
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resource, _ := appInstallResourceRepo.GetFirst(appInstallResourceRepo.WithAppInstallId(install.ID))
if resource.ID != 0 && install.App.Key != "mysql" {
mysqlInfo, err := appInstallRepo.LoadBaseInfo(resource.Key, "")
if err != nil {
return err
}
db, err := mysqlRepo.Get(commonRepo.WithByID(resource.ResourceId))
if err != nil {
return err
}
if err := handleMysqlRecover(mysqlInfo, tmpPath, db.Name, fmt.Sprintf("%s.sql.gz", install.Name), true); err != nil {
global.LOG.Errorf("handle recover from sql.gz failed, err: %v", err)
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return err
}
}
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if err := handleUnTar(tmpPath+"/app.tar.gz", fmt.Sprintf("%s/%s", constant.AppInstallDir, install.App.Key)); err != nil {
global.LOG.Errorf("handle recover from app.tar.gz failed, err: %v", err)
return err
}
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oldInstall.Status = constant.Running
if err := appInstallRepo.Save(context.Background(), install); err != nil {
global.LOG.Errorf("save db app install failed, err: %v", err)
return err
}
isOk = true
return nil
}