1Panel/backend/app/service/snapshot.go
2023-02-07 10:37:05 +08:00

812 lines
28 KiB
Go

package service
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"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/cmd"
"github.com/1Panel-dev/1Panel/backend/utils/docker"
"github.com/1Panel-dev/1Panel/backend/utils/files"
"github.com/jinzhu/copier"
"github.com/pkg/errors"
)
type SnapshotService struct{}
type ISnapshotService interface {
SearchWithPage(req dto.PageInfo) (int64, interface{}, error)
SnapshotCreate(req dto.SnapshotCreate) error
SnapshotRecover(req dto.SnapshotRecover) error
SnapshotRollback(req dto.SnapshotRecover) error
Delete(req dto.BatchDeleteReq) error
readFromJson(path string) (SnapshotJson, error)
}
func NewISnapshotService() ISnapshotService {
return &SnapshotService{}
}
func (u *SnapshotService) SearchWithPage(req dto.PageInfo) (int64, interface{}, error) {
total, systemBackups, err := snapshotRepo.Page(req.Page, req.PageSize)
var dtoSnap []dto.SnapshotInfo
for _, systemBackup := range systemBackups {
var item dto.SnapshotInfo
if err := copier.Copy(&item, &systemBackup); err != nil {
return 0, nil, errors.WithMessage(constant.ErrStructTransform, err.Error())
}
dtoSnap = append(dtoSnap, item)
}
return total, dtoSnap, err
}
type SnapshotJson struct {
OldDockerDataDir string `json:"oldDockerDataDir"`
OldBackupDataDir string `json:"oldDackupDataDir"`
OldPanelDataDir string `json:"oldPanelDataDir"`
DockerDataDir string `json:"dockerDataDir"`
BackupDataDir string `json:"backupDataDir"`
PanelDataDir string `json:"panelDataDir"`
LiveRestoreEnabled bool `json:"liveRestoreEnabled"`
}
func (u *SnapshotService) SnapshotCreate(req dto.SnapshotCreate) error {
global.LOG.Info("start to create snapshot now")
localDir, err := loadLocalDir()
if err != nil {
return err
}
backup, err := backupRepo.Get(commonRepo.WithByType(req.From))
if err != nil {
return err
}
backupAccont, err := NewIBackupService().NewClient(&backup)
if err != nil {
return err
}
timeNow := time.Now().Format("20060102150405")
rootDir := fmt.Sprintf("%s/system/1panel_snapshot_%s", localDir, timeNow)
backupPanelDir := fmt.Sprintf("%s/1panel", rootDir)
_ = os.MkdirAll(backupPanelDir, os.ModePerm)
backupDockerDir := fmt.Sprintf("%s/docker", rootDir)
_ = os.MkdirAll(backupDockerDir, os.ModePerm)
versionItem, _ := settingRepo.Get(settingRepo.WithByKey("SystemVersion"))
snap := model.Snapshot{
Name: "1panel_snapshot_" + timeNow,
Description: req.Description,
From: req.From,
Version: versionItem.Value,
Status: constant.StatusWaiting,
}
_ = snapshotRepo.Create(&snap)
go func() {
defer func() {
_ = os.RemoveAll(rootDir)
}()
fileOp := files.NewFileOp()
dockerDataDir, liveRestoreStatus, err := u.loadDockerDataDir()
if err != nil {
updateSnapshotStatus(snap.ID, constant.StatusFailed, err.Error())
return
}
_, _ = cmd.Exec("systemctl stop docker")
if err := u.handleDockerDatas(fileOp, "snapshot", dockerDataDir, backupDockerDir); err != nil {
updateSnapshotStatus(snap.ID, constant.StatusFailed, err.Error())
return
}
if err := u.handleDaemonJson(fileOp, "snapshot", "", backupDockerDir); err != nil {
updateSnapshotStatus(snap.ID, constant.StatusFailed, err.Error())
return
}
_, _ = cmd.Exec("systemctl restart docker")
if err := u.handlePanelBinary(fileOp, "snapshot", "", backupPanelDir+"/1panel"); err != nil {
updateSnapshotStatus(snap.ID, constant.StatusFailed, err.Error())
return
}
if err := u.handlePanelctlBinary(fileOp, "snapshot", "", backupPanelDir+"/1pctl"); err != nil {
updateSnapshotStatus(snap.ID, constant.StatusFailed, err.Error())
return
}
if err := u.handlePanelService(fileOp, "snapshot", "", backupPanelDir+"/1panel.service"); err != nil {
updateSnapshotStatus(snap.ID, constant.StatusFailed, err.Error())
return
}
if err := u.handleBackupDatas(fileOp, "snapshot", localDir, backupPanelDir); err != nil {
updateSnapshotStatus(snap.ID, constant.StatusFailed, err.Error())
return
}
if err := u.handlePanelDatas(fileOp, "snapshot", global.CONF.BaseDir+"/1panel", backupPanelDir, localDir, dockerDataDir); err != nil {
updateSnapshotStatus(snap.ID, constant.StatusFailed, err.Error())
return
}
snapJson := SnapshotJson{DockerDataDir: dockerDataDir, BackupDataDir: localDir, PanelDataDir: global.CONF.BaseDir + "/1panel", LiveRestoreEnabled: liveRestoreStatus}
if err := u.saveJson(snapJson, rootDir); err != nil {
updateSnapshotStatus(snap.ID, constant.StatusFailed, fmt.Sprintf("save snapshot json failed, err: %v", err))
return
}
if err := fileOp.Compress([]string{rootDir}, fmt.Sprintf("%s/system", localDir), fmt.Sprintf("1panel_snapshot_%s.tar.gz", timeNow), files.TarGz); err != nil {
updateSnapshotStatus(snap.ID, constant.StatusFailed, err.Error())
return
}
global.LOG.Infof("start to upload snapshot to %s, please wait", backup.Type)
localPath := fmt.Sprintf("%s/system/1panel_snapshot_%s.tar.gz", localDir, timeNow)
if ok, err := backupAccont.Upload(localPath, fmt.Sprintf("system_snapshot/1panel_snapshot_%s.tar.gz", timeNow)); err != nil || !ok {
_ = snapshotRepo.Update(snap.ID, map[string]interface{}{"status": constant.StatusFailed, "message": err.Error()})
global.LOG.Errorf("upload snapshot to %s failed, err: %v", backup.Type, err)
return
}
_ = snapshotRepo.Update(snap.ID, map[string]interface{}{"status": constant.StatusSuccess})
_ = os.RemoveAll(fmt.Sprintf("%s/system/1panel_snapshot_%s.tar.gz", localDir, timeNow))
global.LOG.Infof("upload snapshot to %s success", backup.Type)
}()
return nil
}
func (u *SnapshotService) SnapshotRecover(req dto.SnapshotRecover) error {
global.LOG.Info("start to recvover panel by snapshot now")
snap, err := snapshotRepo.Get(commonRepo.WithByID(req.ID))
if err != nil {
return err
}
if !req.IsNew && len(snap.InterruptStep) != 0 && len(snap.RollbackStatus) != 0 {
return fmt.Errorf("the snapshot has been rolled back and cannot be restored again")
}
isReTry := false
if len(snap.InterruptStep) != 0 && !req.IsNew {
isReTry = true
}
backup, err := backupRepo.Get(commonRepo.WithByType(snap.From))
if err != nil {
return err
}
client, err := NewIBackupService().NewClient(&backup)
if err != nil {
return err
}
localDir, err := loadLocalDir()
if err != nil {
return err
}
baseDir := fmt.Sprintf("%s/system/%s", localDir, snap.Name)
if _, err := os.Stat(baseDir); err != nil && os.IsNotExist(err) {
_ = os.MkdirAll(baseDir, os.ModePerm)
}
_ = snapshotRepo.Update(snap.ID, map[string]interface{}{"recover_status": constant.StatusWaiting})
go func() {
operation := "recover"
if isReTry {
operation = "re-recover"
}
if !isReTry || snap.InterruptStep == "Download" || (isReTry && req.ReDownload) {
ok, err := client.Download(fmt.Sprintf("system_snapshot/%s.tar.gz", snap.Name), fmt.Sprintf("%s/%s.tar.gz", baseDir, snap.Name))
if err != nil || !ok {
if req.ReDownload {
updateRecoverStatus(snap.ID, snap.InterruptStep, constant.StatusFailed, fmt.Sprintf("download file %s from %s failed, err: %v", snap.Name, backup.Type, err))
return
}
updateRecoverStatus(snap.ID, "Download", constant.StatusFailed, fmt.Sprintf("download file %s from %s failed, err: %v", snap.Name, backup.Type, err))
return
}
isReTry = false
}
fileOp := files.NewFileOp()
if !isReTry || snap.InterruptStep == "Decompress" || (isReTry && req.ReDownload) {
if err := fileOp.Decompress(fmt.Sprintf("%s/%s.tar.gz", baseDir, snap.Name), baseDir, files.TarGz); err != nil {
if req.ReDownload {
updateRecoverStatus(snap.ID, snap.InterruptStep, constant.StatusFailed, fmt.Sprintf("decompress file failed, err: %v", err))
return
}
updateRecoverStatus(snap.ID, "Decompress", constant.StatusFailed, fmt.Sprintf("decompress file failed, err: %v", err))
return
}
isReTry = false
}
rootDir := fmt.Sprintf("%s/%s", baseDir, snap.Name)
originalDir := fmt.Sprintf("%s/original/", baseDir)
snapJson, err := u.readFromJson(fmt.Sprintf("%s/snapshot.json", rootDir))
if err != nil {
updateRecoverStatus(snap.ID, "Readjson", constant.StatusFailed, fmt.Sprintf("decompress file failed, err: %v", err))
return
}
if snap.InterruptStep == "Readjson" {
isReTry = false
}
snapJson.OldPanelDataDir = global.CONF.BaseDir + "/1panel"
snapJson.OldBackupDataDir = localDir
recoverPanelDir := fmt.Sprintf("%s/%s/1panel", baseDir, snap.Name)
liveRestore := false
if !isReTry || snap.InterruptStep == "LoadDockerJson" {
snapJson.OldDockerDataDir, liveRestore, err = u.loadDockerDataDir()
if err != nil {
updateRecoverStatus(snap.ID, "LoadDockerJson", constant.StatusFailed, fmt.Sprintf("load docker data dir failed, err: %v", err))
return
}
isReTry = false
}
if liveRestore {
if err := u.updateLiveRestore(false); err != nil {
updateRecoverStatus(snap.ID, "UpdateLiveRestore", constant.StatusFailed, fmt.Sprintf("update docker daemon.json live-restore conf failed, err: %v", err))
return
}
isReTry = false
}
_ = u.saveJson(snapJson, rootDir)
_, _ = cmd.Exec("systemctl stop docker")
if !isReTry || snap.InterruptStep == "DockerDir" {
if err := u.handleDockerDatas(fileOp, operation, rootDir, snapJson.DockerDataDir); err != nil {
updateRecoverStatus(snap.ID, "DockerDir", constant.StatusFailed, err.Error())
return
}
isReTry = false
}
if !isReTry || snap.InterruptStep == "DaemonJson" {
if err := u.handleDaemonJson(fileOp, operation, rootDir+"/docker/daemon.json", originalDir); err != nil {
updateRecoverStatus(snap.ID, "DaemonJson", constant.StatusFailed, err.Error())
return
}
isReTry = false
}
_, _ = cmd.Exec("systemctl restart docker")
if !isReTry || snap.InterruptStep == "1PanelBinary" {
if err := u.handlePanelBinary(fileOp, operation, recoverPanelDir+"/1panel", originalDir+"/1panel"); err != nil {
updateRecoverStatus(snap.ID, "1PanelBinary", constant.StatusFailed, err.Error())
return
}
isReTry = false
}
if !isReTry || snap.InterruptStep == "1PctlBinary" {
if err := u.handlePanelctlBinary(fileOp, operation, recoverPanelDir+"/1pctl", originalDir+"/1pctl"); err != nil {
updateRecoverStatus(snap.ID, "1PctlBinary", constant.StatusFailed, err.Error())
return
}
isReTry = false
}
if !isReTry || snap.InterruptStep == "1PanelService" {
if err := u.handlePanelService(fileOp, operation, recoverPanelDir+"/1panel.service", originalDir+"/1panel.service"); err != nil {
updateRecoverStatus(snap.ID, "1PanelService", constant.StatusFailed, err.Error())
return
}
isReTry = false
}
if !isReTry || snap.InterruptStep == "1PanelBackups" {
if err := u.handleBackupDatas(fileOp, operation, rootDir, snapJson.BackupDataDir); err != nil {
updateRecoverStatus(snap.ID, "1PanelBackups", constant.StatusFailed, err.Error())
return
}
isReTry = false
}
if !isReTry || snap.InterruptStep == "1PanelData" {
if err := u.handlePanelDatas(fileOp, operation, rootDir, snapJson.PanelDataDir, "", ""); err != nil {
updateRecoverStatus(snap.ID, "1PanelData", constant.StatusFailed, err.Error())
return
}
isReTry = false
}
_ = os.RemoveAll(rootDir)
global.LOG.Info("recover successful")
_, _ = cmd.Exec("systemctl daemon-reload && systemctl restart 1panel.service")
updateRecoverStatus(snap.ID, "", constant.StatusSuccess, "")
}()
return nil
}
func (u *SnapshotService) SnapshotRollback(req dto.SnapshotRecover) error {
global.LOG.Info("start to rollback now")
snap, err := snapshotRepo.Get(commonRepo.WithByID(req.ID))
if err != nil {
return err
}
if snap.InterruptStep == "Download" || snap.InterruptStep == "Decompress" || snap.InterruptStep == "Readjson" {
return nil
}
localDir, err := loadLocalDir()
if err != nil {
return err
}
fileOp := files.NewFileOp()
rootDir := fmt.Sprintf("%s/system/%s/%s", localDir, snap.Name, snap.Name)
originalDir := fmt.Sprintf("%s/system/%s/original", localDir, snap.Name)
if _, err := os.Stat(originalDir); err != nil && os.IsNotExist(err) {
return fmt.Errorf("load original dir failed, err: %s", err)
}
_ = snapshotRepo.Update(snap.ID, map[string]interface{}{"rollback_status": constant.StatusWaiting})
snapJson, err := u.readFromJson(fmt.Sprintf("%s/snapshot.json", rootDir))
if err != nil {
updateRollbackStatus(snap.ID, constant.StatusFailed, fmt.Sprintf("decompress file failed, err: %v", err))
return err
}
_, _ = cmd.Exec("systemctl stop docker")
if err := u.handleDockerDatas(fileOp, "rollback", originalDir, snapJson.OldDockerDataDir); err != nil {
updateRollbackStatus(snap.ID, constant.StatusFailed, err.Error())
return err
}
if snap.InterruptStep == "DockerDir" {
_, _ = cmd.Exec("systemctl restart docker")
return nil
}
if err := u.handleDaemonJson(fileOp, "rollback", originalDir+"/daemon.json", ""); err != nil {
updateRollbackStatus(snap.ID, constant.StatusFailed, err.Error())
return err
}
if snap.InterruptStep == "DaemonJson" {
_, _ = cmd.Exec("systemctl restart docker")
return nil
}
if snapJson.LiveRestoreEnabled {
if err := u.updateLiveRestore(true); err != nil {
updateRollbackStatus(snap.ID, constant.StatusFailed, err.Error())
return err
}
}
if snap.InterruptStep == "UpdateLiveRestore" {
_, _ = cmd.Exec("systemctl restart dockere")
return nil
}
if err := u.handlePanelBinary(fileOp, "rollback", originalDir+"/1panel", ""); err != nil {
updateRollbackStatus(snap.ID, constant.StatusFailed, err.Error())
return err
}
if snap.InterruptStep == "1PanelBinary" {
return nil
}
if err := u.handlePanelctlBinary(fileOp, "rollback", originalDir+"/1pctl", ""); err != nil {
updateRollbackStatus(snap.ID, constant.StatusFailed, err.Error())
return err
}
if snap.InterruptStep == "1PctlBinary" {
return nil
}
if err := u.handlePanelService(fileOp, "rollback", originalDir+"/1panel.service", ""); err != nil {
updateRollbackStatus(snap.ID, constant.StatusFailed, err.Error())
return err
}
if snap.InterruptStep == "1PanelService" {
_, _ = cmd.Exec("systemctl daemon-reload && systemctl restart 1panel.service")
return nil
}
if err := u.handleBackupDatas(fileOp, "rollback", originalDir, snapJson.OldBackupDataDir); err != nil {
updateRollbackStatus(snap.ID, constant.StatusFailed, err.Error())
return err
}
if snap.InterruptStep == "1PanelBackups" {
_, _ = cmd.Exec("systemctl daemon-reload && systemctl restart 1panel.service")
return nil
}
if err := u.handlePanelDatas(fileOp, "rollback", originalDir, snapJson.OldPanelDataDir, "", ""); err != nil {
updateRollbackStatus(snap.ID, constant.StatusFailed, err.Error())
return err
}
if snap.InterruptStep == "1PanelData" {
_, _ = cmd.Exec("systemctl daemon-reload && systemctl restart 1panel.service")
return nil
}
_ = os.RemoveAll(rootDir)
global.LOG.Info("rollback successful")
_, _ = cmd.Exec("systemctl daemon-reload && systemctl restart 1panel.service")
updateRollbackStatus(snap.ID, constant.StatusSuccess, "")
return nil
}
func (u *SnapshotService) saveJson(snapJson SnapshotJson, path string) error {
remarkInfo, _ := json.MarshalIndent(snapJson, "", "\t")
if err := ioutil.WriteFile(fmt.Sprintf("%s/snapshot.json", path), remarkInfo, 0640); err != nil {
return err
}
return nil
}
func (u *SnapshotService) readFromJson(path string) (SnapshotJson, error) {
var snap SnapshotJson
if _, err := os.Stat(path); err != nil {
return snap, fmt.Errorf("find snapshot json file in recover package failed, err: %v", err)
}
fileByte, err := os.ReadFile(path)
if err != nil {
return snap, fmt.Errorf("read file from path %s failed, err: %v", path, err)
}
if err := json.Unmarshal(fileByte, &snap); err != nil {
return snap, fmt.Errorf("unmarshal snapjson failed, err: %v", err)
}
return snap, nil
}
func (u *SnapshotService) handleDockerDatas(fileOp files.FileOp, operation string, source, target string) error {
switch operation {
case "snapshot":
if err := u.handleTar(source, target, "docker_data.tar.gz", ""); err != nil {
return fmt.Errorf("backup docker data failed, err: %v", err)
}
case "recover":
if err := u.handleTar(target, fmt.Sprintf("%s/original", filepath.Join(source, "../")), "docker_data.tar.gz", ""); err != nil {
return fmt.Errorf("backup docker data failed, err: %v", err)
}
if err := u.handleUnTar(source+"/docker/docker_data.tar.gz", target); err != nil {
return fmt.Errorf("recover docker data failed, err: %v", err)
}
case "re-recover":
if err := u.handleUnTar(source+"/docker/docker_data.tar.gz", target); err != nil {
return fmt.Errorf("re-recover docker data failed, err: %v", err)
}
case "rollback":
if err := u.handleUnTar(source+"/docker_data.tar.gz", target); err != nil {
return fmt.Errorf("rollback docker data failed, err: %v", err)
}
}
global.LOG.Info("handle docker data dir successful!")
return nil
}
func (u *SnapshotService) handleDaemonJson(fileOp files.FileOp, operation string, source, target string) error {
daemonJsonPath := "/etc/docker/daemon.json"
if operation == "snapshot" || operation == "recover" {
_, err := os.Stat(daemonJsonPath)
if os.IsNotExist(err) {
global.LOG.Info("no daemon.josn in snapshot and system now, nothing happened")
}
if err == nil {
if err := fileOp.CopyFile(daemonJsonPath, target); err != nil {
return fmt.Errorf("backup docker daemon.json failed, err: %v", err)
}
}
}
if operation == "recover" || operation == "rollback" || operation == "re-recover" {
_, sourceErr := os.Stat(source)
if os.IsNotExist(sourceErr) {
_ = os.Remove(daemonJsonPath)
}
if sourceErr == nil {
if err := fileOp.CopyFile(source, "/etc/docker"); err != nil {
return fmt.Errorf("recover docker daemon.json failed, err: %v", err)
}
}
}
global.LOG.Info("handle docker daemon.json successful!")
return nil
}
func (u *SnapshotService) handlePanelBinary(fileOp files.FileOp, operation string, source, target string) error {
panelPath := "/usr/local/bin/1panel"
if operation == "snapshot" || operation == "recover" {
if _, err := os.Stat(panelPath); err != nil {
return fmt.Errorf("1panel binary is not found in %s, err: %v", panelPath, err)
} else {
if err := cpBinary(panelPath, target); err != nil {
return fmt.Errorf("backup 1panel binary failed, err: %v", err)
}
}
}
if operation == "recover" || operation == "rollback" || operation == "re-recover" {
if _, err := os.Stat(source); err != nil {
return fmt.Errorf("1panel binary is not found in snapshot, err: %v", err)
} else {
if err := cpBinary(source, "/usr/local/bin/1panel"); err != nil {
return fmt.Errorf("recover 1panel binary failed, err: %v", err)
}
}
}
global.LOG.Info("handle binary panel successful!")
return nil
}
func (u *SnapshotService) handlePanelctlBinary(fileOp files.FileOp, operation string, source, target string) error {
panelctlPath := "/usr/local/bin/1pctl"
if operation == "snapshot" || operation == "recover" {
if _, err := os.Stat(panelctlPath); err != nil {
return fmt.Errorf("1pctl binary is not found in %s, err: %v", panelctlPath, err)
} else {
if err := cpBinary(panelctlPath, target); err != nil {
return fmt.Errorf("backup 1pctl binary failed, err: %v", err)
}
}
}
if operation == "recover" || operation == "rollback" || operation == "re-recover" {
if _, err := os.Stat(source); err != nil {
return fmt.Errorf("1pctl binary is not found in snapshot, err: %v", err)
} else {
if err := cpBinary(source, "/usr/local/bin/1pctl"); err != nil {
return fmt.Errorf("recover 1pctl binary failed, err: %v", err)
}
}
}
global.LOG.Info("handle binary 1pactl successful!")
return nil
}
func (u *SnapshotService) handlePanelService(fileOp files.FileOp, operation string, source, target string) error {
panelServicePath := "/etc/systemd/system/1panel.service"
if operation == "snapshot" || operation == "recover" {
if _, err := os.Stat(panelServicePath); err != nil {
return fmt.Errorf("1panel service is not found in %s, err: %v", panelServicePath, err)
} else {
if err := cpBinary(panelServicePath, target); err != nil {
return fmt.Errorf("backup 1panel service failed, err: %v", err)
}
}
}
if operation == "recover" || operation == "rollback" || operation == "re-recover" {
if _, err := os.Stat(source); err != nil {
return fmt.Errorf("1panel service is not found in snapshot, err: %v", err)
} else {
if err := cpBinary(source, "/etc/systemd/system/1panel.service"); err != nil {
return fmt.Errorf("recover 1panel service failed, err: %v", err)
}
}
}
global.LOG.Info("handle panel service successful!")
return nil
}
func (u *SnapshotService) handleBackupDatas(fileOp files.FileOp, operation string, source, target string) error {
switch operation {
case "snapshot":
if err := u.handleTar(source, target, "1panel_backup.tar.gz", "./system"); err != nil {
return fmt.Errorf("backup panel local backup dir data failed, err: %v", err)
}
case "recover":
if err := u.handleTar(target, fmt.Sprintf("%s/original", filepath.Join(source, "../")), "1panel_backup.tar.gz", "./system"); err != nil {
return fmt.Errorf("restore original local backup dir data failed, err: %v", err)
}
if err := u.handleUnTar(source+"/1panel/1panel_backup.tar.gz", target); err != nil {
return fmt.Errorf("recover local backup dir data failed, err: %v", err)
}
case "re-recover":
if err := u.handleUnTar(source+"/1panel/1panel_backup.tar.gz", target); err != nil {
return fmt.Errorf("retry recover local backup dir data failed, err: %v", err)
}
case "rollback":
if err := u.handleUnTar(source+"/1panel_backup.tar.gz", target); err != nil {
return fmt.Errorf("rollback local backup dir data failed, err: %v", err)
}
}
global.LOG.Info("handle backup data successful!")
return nil
}
func (u *SnapshotService) handlePanelDatas(fileOp files.FileOp, operation string, source, target, backupDir, dockerDir string) error {
switch operation {
case "snapshot":
exclusionRules := ""
if strings.Contains(backupDir, source) {
exclusionRules += ("." + strings.ReplaceAll(backupDir, source, "") + ";")
}
if strings.Contains(dockerDir, source) {
exclusionRules += ("." + strings.ReplaceAll(dockerDir, source, "") + ";")
}
if err := u.handleTar(source, target, "1panel_data.tar.gz", exclusionRules); err != nil {
return fmt.Errorf("backup panel data failed, err: %v", err)
}
case "recover":
exclusionRules := ""
if strings.Contains(backupDir, target) {
exclusionRules += ("1panel" + strings.ReplaceAll(backupDir, target, "") + ";")
}
if strings.Contains(dockerDir, target) {
exclusionRules += ("1panel" + strings.ReplaceAll(dockerDir, target, "") + ";")
}
if err := u.handleTar(target, fmt.Sprintf("%s/original", filepath.Join(source, "../")), "1panel_data.tar.gz", exclusionRules); err != nil {
return fmt.Errorf("restore original panel data failed, err: %v", err)
}
if err := u.handleUnTar(source+"/1panel/1panel_data.tar.gz", target); err != nil {
return fmt.Errorf("recover panel data failed, err: %v", err)
}
case "re-recover":
if err := u.handleUnTar(source+"/1panel/1panel_data.tar.gz", target); err != nil {
return fmt.Errorf("retry recover panel data failed, err: %v", err)
}
case "rollback":
if err := u.handleUnTar(source+"/1panel_data.tar.gz", target); err != nil {
return fmt.Errorf("rollback panel data failed, err: %v", err)
}
}
global.LOG.Info("handle panel data successful!")
return nil
}
func (u *SnapshotService) loadDockerDataDir() (string, bool, error) {
client, err := docker.NewDockerClient()
if err != nil {
return "", false, fmt.Errorf("new docker client failed, err: %v", err)
}
info, err := client.Info(context.Background())
if err != nil {
return "", false, fmt.Errorf("load docker info failed, err: %v", err)
}
return info.DockerRootDir, info.LiveRestoreEnabled, nil
}
func (u *SnapshotService) Delete(req dto.BatchDeleteReq) error {
backups, _ := snapshotRepo.GetList(commonRepo.WithIdsIn(req.Ids))
localDir, err := loadLocalDir()
if err != nil {
return err
}
for _, snap := range backups {
if _, err := os.Stat(fmt.Sprintf("%s/system/%s/%s.tar.gz", localDir, snap.Name, snap.Name)); err == nil {
_ = os.Remove(fmt.Sprintf("%s/system/%s/%s.tar.gz", localDir, snap.Name, snap.Name))
}
}
if err := snapshotRepo.Delete(commonRepo.WithIdsIn(req.Ids)); err != nil {
return err
}
return nil
}
func updateSnapshotStatus(id uint, status string, message string) {
if status != constant.StatusSuccess {
global.LOG.Errorf("snapshot failed, err: %s", message)
}
if err := snapshotRepo.Update(id, map[string]interface{}{
"status": status,
"message": message,
}); err != nil {
global.LOG.Errorf("update snap snapshot status failed, err: %v", err)
}
}
func updateRecoverStatus(id uint, interruptStep, status string, message string) {
if status != constant.StatusSuccess {
global.LOG.Errorf("recover failed, err: %s", message)
}
if err := snapshotRepo.Update(id, map[string]interface{}{
"interrupt_step": interruptStep,
"recover_status": status,
"recover_message": message,
"last_recovered_at": time.Now().Format("2006-01-02 15:04:05"),
}); err != nil {
global.LOG.Errorf("update snap recover status failed, err: %v", err)
}
}
func updateRollbackStatus(id uint, status string, message string) {
if status == constant.StatusSuccess {
if err := snapshotRepo.Update(id, map[string]interface{}{
"recover_status": "",
"recover_message": "",
"interrupt_step": "",
"rollback_status": "",
"rollback_message": "",
"last_rollbacked_at": time.Now().Format("2006-01-02 15:04:05"),
}); err != nil {
global.LOG.Errorf("update snap recover status failed, err: %v", err)
}
return
}
global.LOG.Errorf("rollback failed, err: %s", message)
if err := snapshotRepo.Update(id, map[string]interface{}{
"rollback_status": status,
"rollback_message": message,
"last_rollbacked_at": time.Now().Format("2006-01-02 15:04:05"),
}); err != nil {
global.LOG.Errorf("update snap recover status failed, err: %v", err)
}
}
func cpBinary(src, dst string) error {
stderr, err := cmd.Exec(fmt.Sprintf("\\cp -f %s %s", src, dst))
if err != nil {
return errors.New(stderr)
}
return nil
}
func (u *SnapshotService) updateLiveRestore(enabled bool) error {
if _, err := os.Stat(constant.DaemonJsonPath); err != nil {
return fmt.Errorf("load docker daemon.json conf failed, err: %v", err)
}
file, err := ioutil.ReadFile(constant.DaemonJsonPath)
if err != nil {
return err
}
deamonMap := make(map[string]interface{})
_ = json.Unmarshal(file, &deamonMap)
if !enabled {
delete(deamonMap, "live-restore")
} else {
deamonMap["live-restore"] = enabled
}
newJson, err := json.MarshalIndent(deamonMap, "", "\t")
if err != nil {
return err
}
if err := ioutil.WriteFile(constant.DaemonJsonPath, newJson, 0640); err != nil {
return err
}
stdout, err := cmd.Exec("systemctl restart docker")
if err != nil {
return errors.New(stdout)
}
ticker := time.NewTicker(3 * time.Second)
ctx, cancle := context.WithTimeout(context.Background(), time.Second*30)
defer cancle()
for range ticker.C {
select {
case <-ctx.Done():
return errors.New("the docker service cannot be restarted")
default:
stdout, err := cmd.Exec("systemctl is-active docker")
if string(stdout) == "active\n" && err == nil {
global.LOG.Info("docker restart with new live-restore successful!")
return nil
}
}
}
return nil
}
func (u *SnapshotService) handleTar(sourceDir, targetDir, name, exclusionRules string) error {
if _, err := os.Stat(targetDir); err != nil && os.IsNotExist(err) {
if err = os.MkdirAll(targetDir, os.ModePerm); err != nil {
return err
}
}
exStr := ""
excludes := strings.Split(exclusionRules, ";")
for _, exclude := range excludes {
if len(exclude) == 0 {
continue
}
exStr += " --exclude "
exStr += exclude
}
ss := fmt.Sprintf("tar zcf %s %s -C %s .", targetDir+"/"+name, exStr, sourceDir)
fmt.Println(ss)
stdout, err := cmd.Exec(ss)
if err != nil {
return errors.New(stdout)
}
return nil
}
func (u *SnapshotService) handleUnTar(sourceDir, targetDir string) error {
if _, err := os.Stat(targetDir); err != nil && os.IsNotExist(err) {
if err = os.MkdirAll(targetDir, os.ModePerm); err != nil {
return err
}
}
stdout, err := cmd.Exec(fmt.Sprintf("tar zxf %s -C %s .", sourceDir, targetDir))
if err != nil {
return errors.New(string(stdout))
}
return nil
}