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

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package service
import (
"fmt"
"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/app/repo"
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"github.com/1Panel-dev/1Panel/backend/buserr"
"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/compose"
"github.com/1Panel-dev/1Panel/backend/utils/files"
"github.com/pkg/errors"
)
func (u *BackupService) RedisBackup() error {
localDir, err := loadLocalDir()
if err != nil {
return err
}
redisInfo, err := appInstallRepo.LoadBaseInfo("redis", "")
if err != nil {
return err
}
appendonly, err := configGetStr(redisInfo.ContainerName, redisInfo.Password, "appendonly")
if err != nil {
return err
}
global.LOG.Infof("appendonly in redis conf is %s", appendonly)
timeNow := time.Now().Format("20060102150405")
fileName := fmt.Sprintf("%s.rdb", timeNow)
if appendonly == "yes" {
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if strings.HasPrefix(redisInfo.Version, "6.") {
fileName = fmt.Sprintf("%s.aof", timeNow)
} else {
fileName = fmt.Sprintf("%s.tar.gz", timeNow)
}
}
itemDir := fmt.Sprintf("database/redis/%s", redisInfo.Name)
backupDir := path.Join(localDir, itemDir)
if err := handleRedisBackup(redisInfo, backupDir, fileName); err != nil {
return err
}
record := &model.BackupRecord{
Type: "redis",
Source: "LOCAL",
BackupType: "LOCAL",
FileDir: itemDir,
FileName: fileName,
}
if err := backupRepo.CreateRecord(record); err != nil {
global.LOG.Errorf("save backup record failed, err: %v", err)
}
return nil
}
func (u *BackupService) RedisRecover(req dto.CommonRecover) error {
redisInfo, err := appInstallRepo.LoadBaseInfo("redis", "")
if err != nil {
return err
}
global.LOG.Infof("recover redis from backup file %s", req.File)
if err := handleRedisRecover(redisInfo, req.File, false); err != nil {
return err
}
return nil
}
func handleRedisBackup(redisInfo *repo.RootInfo, backupDir, fileName string) error {
fileOp := files.NewFileOp()
if !fileOp.Stat(backupDir) {
if err := os.MkdirAll(backupDir, os.ModePerm); err != nil {
return fmt.Errorf("mkdir %s failed, err: %v", backupDir, err)
}
}
stdout, err := cmd.Execf("docker exec %s redis-cli -a %s --no-auth-warning save", redisInfo.ContainerName, redisInfo.Password)
if err != nil {
return errors.New(string(stdout))
}
if strings.HasSuffix(fileName, ".tar.gz") {
redisDataDir := fmt.Sprintf("%s/%s/%s/data/appendonlydir", constant.AppInstallDir, "redis", redisInfo.Name)
if err := handleTar(redisDataDir, backupDir, fileName, ""); err != nil {
return err
}
return nil
}
if strings.HasSuffix(fileName, ".aof") {
stdout1, err := cmd.Execf("docker cp %s:/data/appendonly.aof %s/%s", redisInfo.ContainerName, backupDir, fileName)
if err != nil {
return errors.New(string(stdout1))
}
return nil
}
stdout1, err1 := cmd.Execf("docker cp %s:/data/dump.rdb %s/%s", redisInfo.ContainerName, backupDir, fileName)
if err1 != nil {
return errors.New(string(stdout1))
}
return nil
}
func handleRedisRecover(redisInfo *repo.RootInfo, recoverFile string, isRollback bool) error {
fileOp := files.NewFileOp()
if !fileOp.Stat(recoverFile) {
return buserr.WithName("ErrFileNotFound", recoverFile)
}
appendonly, err := configGetStr(redisInfo.ContainerName, redisInfo.Password, "appendonly")
if err != nil {
return err
}
if appendonly == "yes" {
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if strings.HasPrefix(redisInfo.Version, "6.") && !strings.HasSuffix(recoverFile, ".aof") {
return buserr.New(constant.ErrTypeOfRedis)
}
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if strings.HasPrefix(redisInfo.Version, "7.") && !strings.HasSuffix(recoverFile, ".tar.gz") {
return buserr.New(constant.ErrTypeOfRedis)
}
} else {
if !strings.HasSuffix(recoverFile, ".rdb") {
return buserr.New(constant.ErrTypeOfRedis)
}
}
global.LOG.Infof("appendonly in redis conf is %s", appendonly)
isOk := false
if !isRollback {
suffix := "rdb"
if appendonly == "yes" {
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if strings.HasPrefix(redisInfo.Version, "6.") {
suffix = "aof"
} else {
suffix = "tar.gz"
}
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}
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rollbackFile := path.Join(global.CONF.System.TmpDir, fmt.Sprintf("database/redis/%s_%s.%s", redisInfo.Name, time.Now().Format("20060102150405"), suffix))
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if err := handleRedisBackup(redisInfo, path.Dir(rollbackFile), path.Base(rollbackFile)); err != nil {
return fmt.Errorf("backup database %s for rollback before recover failed, err: %v", redisInfo.Name, err)
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}
defer func() {
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if !isOk {
global.LOG.Info("recover failed, start to rollback now")
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if err := handleRedisRecover(redisInfo, rollbackFile, true); err != nil {
global.LOG.Errorf("rollback redis from %s failed, err: %v", rollbackFile, err)
return
}
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global.LOG.Infof("rollback redis from %s successful", rollbackFile)
_ = os.RemoveAll(rollbackFile)
} else {
_ = os.RemoveAll(rollbackFile)
}
}()
}
composeDir := fmt.Sprintf("%s/redis/%s", constant.AppInstallDir, redisInfo.Name)
if _, err := compose.Down(composeDir + "/docker-compose.yml"); err != nil {
return err
}
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if appendonly == "yes" && strings.HasPrefix(redisInfo.Version, "7.") {
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redisDataDir := fmt.Sprintf("%s/%s/%s/data", constant.AppInstallDir, "redis", redisInfo.Name)
if err := handleUnTar(recoverFile, redisDataDir); err != nil {
return err
}
} else {
itemName := "dump.rdb"
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if appendonly == "yes" && strings.HasPrefix(redisInfo.Version, "6.") {
itemName = "appendonly.aof"
}
input, err := os.ReadFile(recoverFile)
if err != nil {
return err
}
if err = os.WriteFile(composeDir+"/data/"+itemName, input, 0640); err != nil {
return err
}
}
if _, err := compose.Up(composeDir + "/docker-compose.yml"); err != nil {
return err
}
isOk = true
return nil
}