1Panel/backend/app/service/backup.go
2023-02-13 15:58:45 +08:00

314 lines
9.1 KiB
Go

package service
import (
"context"
"encoding/json"
"fmt"
"os"
"path"
"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/cloud_storage"
"github.com/1Panel-dev/1Panel/backend/utils/files"
"github.com/jinzhu/copier"
"github.com/pkg/errors"
)
type BackupService struct{}
type IBackupService interface {
List() ([]dto.BackupInfo, error)
SearchRecordsWithPage(search dto.RecordSearch) (int64, []dto.BackupRecords, error)
DownloadRecord(info dto.DownloadRecord) (string, error)
Create(backupDto dto.BackupOperate) error
GetBuckets(backupDto dto.ForBuckets) ([]interface{}, error)
Update(ireq dto.BackupOperate) error
BatchDelete(ids []uint) error
BatchDeleteRecord(ids []uint) error
NewClient(backup *model.BackupAccount) (cloud_storage.CloudStorageClient, error)
ListFiles(req dto.BackupSearchFile) ([]interface{}, error)
}
func NewIBackupService() IBackupService {
return &BackupService{}
}
func (u *BackupService) List() ([]dto.BackupInfo, error) {
ops, err := backupRepo.List(commonRepo.WithOrderBy("created_at desc"))
var dtobas []dto.BackupInfo
ossExist, s3Exist, sftpExist, minioExist := false, false, false, false
for _, group := range ops {
switch group.Type {
case "OSS":
ossExist = true
case "S3":
s3Exist = true
case "SFTP":
sftpExist = true
case "MINIO":
minioExist = true
}
var item dto.BackupInfo
if err := copier.Copy(&item, &group); err != nil {
return nil, errors.WithMessage(constant.ErrStructTransform, err.Error())
}
dtobas = append(dtobas, item)
}
if !ossExist {
dtobas = append(dtobas, dto.BackupInfo{Type: "OSS"})
}
if !s3Exist {
dtobas = append(dtobas, dto.BackupInfo{Type: "S3"})
}
if !sftpExist {
dtobas = append(dtobas, dto.BackupInfo{Type: "SFTP"})
}
if !minioExist {
dtobas = append(dtobas, dto.BackupInfo{Type: "MINIO"})
}
return dtobas, err
}
func (u *BackupService) SearchRecordsWithPage(search dto.RecordSearch) (int64, []dto.BackupRecords, error) {
total, records, err := backupRepo.PageRecord(
search.Page, search.PageSize,
commonRepo.WithOrderBy("created_at desc"),
commonRepo.WithByName(search.Name),
commonRepo.WithByType(search.Type),
backupRepo.WithByDetailName(search.DetailName),
)
var dtobas []dto.BackupRecords
for _, group := range records {
var item dto.BackupRecords
if err := copier.Copy(&item, &group); err != nil {
return 0, nil, errors.WithMessage(constant.ErrStructTransform, err.Error())
}
dtobas = append(dtobas, item)
}
return total, dtobas, err
}
func (u *BackupService) DownloadRecord(info dto.DownloadRecord) (string, error) {
if info.Source == "LOCAL" {
return info.FileDir + "/" + info.FileName, nil
}
backup, _ := backupRepo.Get(commonRepo.WithByType(info.Source))
if backup.ID == 0 {
return "", constant.ErrRecordNotFound
}
varMap := make(map[string]interface{})
if err := json.Unmarshal([]byte(backup.Vars), &varMap); err != nil {
return "", err
}
varMap["type"] = backup.Type
varMap["bucket"] = backup.Bucket
switch backup.Type {
case constant.Sftp:
varMap["username"] = backup.AccessKey
varMap["password"] = backup.Credential
case constant.OSS, constant.S3, constant.MinIo:
varMap["accessKey"] = backup.AccessKey
varMap["secretKey"] = backup.Credential
}
backClient, err := cloud_storage.NewCloudStorageClient(varMap)
if err != nil {
return "", fmt.Errorf("new cloud storage client failed, err: %v", err)
}
tempPath := fmt.Sprintf("%sdownload%s", constant.DataDir, info.FileDir)
if _, err := os.Stat(tempPath); err != nil && os.IsNotExist(err) {
if err = os.MkdirAll(tempPath, os.ModePerm); err != nil {
fmt.Println(err)
}
}
targetPath := tempPath + info.FileName
if _, err = os.Stat(targetPath); err != nil && os.IsNotExist(err) {
isOK, err := backClient.Download(info.FileName, targetPath)
if !isOK {
return "", fmt.Errorf("cloud storage download failed, err: %v", err)
}
}
return targetPath, nil
}
func (u *BackupService) Create(backupDto dto.BackupOperate) error {
backup, _ := backupRepo.Get(commonRepo.WithByType(backupDto.Type))
if backup.ID != 0 {
return constant.ErrRecordExist
}
if err := copier.Copy(&backup, &backupDto); err != nil {
return errors.WithMessage(constant.ErrStructTransform, err.Error())
}
if err := backupRepo.Create(&backup); err != nil {
return err
}
return nil
}
func (u *BackupService) GetBuckets(backupDto dto.ForBuckets) ([]interface{}, error) {
varMap := make(map[string]interface{})
if err := json.Unmarshal([]byte(backupDto.Vars), &varMap); err != nil {
return nil, err
}
varMap["type"] = backupDto.Type
switch backupDto.Type {
case constant.Sftp:
varMap["username"] = backupDto.AccessKey
varMap["password"] = backupDto.Credential
case constant.OSS, constant.S3, constant.MinIo:
varMap["accessKey"] = backupDto.AccessKey
varMap["secretKey"] = backupDto.Credential
}
client, err := cloud_storage.NewCloudStorageClient(varMap)
if err != nil {
return nil, err
}
return client.ListBuckets()
}
func (u *BackupService) BatchDelete(ids []uint) error {
return backupRepo.Delete(commonRepo.WithIdsIn(ids))
}
func (u *BackupService) BatchDeleteRecord(ids []uint) error {
records, err := backupRepo.ListRecord(commonRepo.WithIdsIn(ids))
if err != nil {
return err
}
for _, record := range records {
if record.Source == "LOCAL" {
if err := os.Remove(record.FileDir + "/" + record.FileName); err != nil {
global.LOG.Errorf("remove file %s failed, err: %v", record.FileDir+record.FileName, err)
}
} else {
backupAccount, err := backupRepo.Get(commonRepo.WithByName(record.Source))
if err != nil {
return err
}
client, err := u.NewClient(&backupAccount)
if err != nil {
return err
}
if _, err = client.Delete(record.FileDir + record.FileName); err != nil {
global.LOG.Errorf("remove file %s from %s failed, err: %v", record.FileDir+record.FileName, record.Source, err)
}
}
}
return backupRepo.DeleteRecord(context.Background(), commonRepo.WithIdsIn(ids))
}
func (u *BackupService) Update(req dto.BackupOperate) error {
backup, err := backupRepo.Get(commonRepo.WithByID(req.ID))
if err != nil {
return constant.ErrRecordNotFound
}
varMap := make(map[string]string)
if err := json.Unmarshal([]byte(req.Vars), &varMap); err != nil {
return err
}
upMap := make(map[string]interface{})
upMap["bucket"] = req.Bucket
upMap["credential"] = req.Credential
upMap["vars"] = req.Vars
if err := backupRepo.Update(req.ID, upMap); err != nil {
return err
}
if backup.Type == "LOCAL" {
if dir, ok := varMap["dir"]; ok {
if err := updateBackupDir(dir); err != nil {
upMap["vars"] = backup.Vars
_ = backupRepo.Update(req.ID, upMap)
return err
}
}
}
return nil
}
func (u *BackupService) ListFiles(req dto.BackupSearchFile) ([]interface{}, error) {
backup, err := backupRepo.Get(backupRepo.WithByType(req.Type))
if err != nil {
return nil, err
}
client, err := u.NewClient(&backup)
if err != nil {
return nil, err
}
return client.ListObjects("system_snapshot/")
}
func (u *BackupService) NewClient(backup *model.BackupAccount) (cloud_storage.CloudStorageClient, error) {
varMap := make(map[string]interface{})
if err := json.Unmarshal([]byte(backup.Vars), &varMap); err != nil {
return nil, err
}
varMap["type"] = backup.Type
if backup.Type == "LOCAL" {
return nil, errors.New("not support")
}
varMap["bucket"] = backup.Bucket
switch backup.Type {
case constant.Sftp:
varMap["username"] = backup.AccessKey
varMap["password"] = backup.Credential
case constant.OSS, constant.S3, constant.MinIo:
varMap["accessKey"] = backup.AccessKey
varMap["secretKey"] = backup.Credential
}
backClient, err := cloud_storage.NewCloudStorageClient(varMap)
if err != nil {
return nil, err
}
return backClient, nil
}
func loadLocalDir() (string, error) {
backup, err := backupRepo.Get(commonRepo.WithByType("LOCAL"))
if err != nil {
return "", err
}
varMap := make(map[string]interface{})
if err := json.Unmarshal([]byte(backup.Vars), &varMap); err != nil {
return "", err
}
if _, ok := varMap["dir"]; !ok {
return "", errors.New("load local backup dir failed")
}
baseDir, ok := varMap["dir"].(string)
if ok {
if _, err := os.Stat(baseDir); err != nil && os.IsNotExist(err) {
if err = os.MkdirAll(baseDir, os.ModePerm); err != nil {
if err != nil {
return "", fmt.Errorf("mkdir %s failed, err: %v", baseDir, err)
}
}
}
return baseDir, nil
}
return "", fmt.Errorf("error type dir: %T", varMap["dir"])
}
func updateBackupDir(dir string) error {
oldDir := global.CONF.System.Backup
fileOp := files.NewFileOp()
if _, err := os.Stat(dir); err != nil && os.IsNotExist(err) {
if err = os.MkdirAll(dir, os.ModePerm); err != nil {
return err
}
}
global.Viper.Set("system.backup", path.Join(dir, "backup"))
if err := global.Viper.WriteConfig(); err != nil {
return err
}
if err := fileOp.CopyDir(oldDir, dir); err != nil {
global.Viper.Set("system.backup", oldDir)
_ = global.Viper.WriteConfig()
return err
}
return nil
}