/
base.go
160 lines (140 loc) 路 3.41 KB
/
base.go
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package storage
import (
"fmt"
"os"
"path/filepath"
"github.com/gobackup/gobackup/config"
"github.com/gobackup/gobackup/logger"
"github.com/spf13/viper"
)
// Base storage
// When `archivePath` is a directory, `fileKeys` stores files in the `archivePath` with directory prefix
type Base struct {
model config.ModelConfig
archivePath string
fileKeys []string
viper *viper.Viper
keep int
cycler *Cycler
}
// Storage interface
type Storage interface {
open() error
close()
upload(fileKey string) error
delete(fileKey string) error
}
func newBase(model config.ModelConfig, archivePath string, storageConfig config.SubConfig) (base Base, err error) {
// Backward compatible with `store_with` config
var cyclerName string
if storageConfig.Name == "" {
cyclerName = model.Name
} else {
cyclerName = fmt.Sprintf("%s_%s", model.Name, storageConfig.Name)
}
var keys []string
if fi, err := os.Stat(archivePath); err == nil && fi.IsDir() {
// NOTE: ignore err is not nil scenario here to pass test and should be fine
// 2022.12.04.07.09.47
entries, err := os.ReadDir(archivePath)
if err != nil {
return base, err
}
for _, e := range entries {
// Assume all entries are file
// 2022.12.04.07.09.47/2022.12.04.07.09.47.tar.xz-000
if !e.IsDir() {
keys = append(keys, filepath.Join(filepath.Base(archivePath), e.Name()))
}
}
}
base = Base{
model: model,
archivePath: archivePath,
fileKeys: keys,
viper: storageConfig.Viper,
cycler: &Cycler{name: cyclerName},
}
if base.viper != nil {
base.keep = base.viper.GetInt("keep")
}
return
}
// run storage
func runModel(model config.ModelConfig, archivePath string, storageConfig config.SubConfig) (err error) {
logger := logger.Tag("Storage")
newFileKey := filepath.Base(archivePath)
base, err := newBase(model, archivePath, storageConfig)
if err != nil {
return err
}
var s Storage
switch storageConfig.Type {
case "local":
s = &Local{Base: base}
case "webdav":
s = &WebDAV{Base: base}
case "ftp":
s = &FTP{Base: base}
case "scp":
s = &SCP{Base: base}
case "sftp":
s = &SFTP{Base: base}
case "oss":
s = &OSS{Base: base}
case "gcs":
s = &GCS{Base: base}
case "s3":
s = &S3{Base: base, Service: "s3"}
case "b2":
s = &S3{Base: base, Service: "b2"}
case "us3":
s = &S3{Base: base, Service: "us3"}
case "cos":
s = &S3{Base: base, Service: "cos"}
case "kodo":
s = &S3{Base: base, Service: "kodo"}
case "r2":
s = &S3{Base: base, Service: "r2"}
case "spaces":
s = &S3{Base: base, Service: "spaces"}
case "bos":
s = &S3{Base: base, Service: "bos"}
case "azure":
s = &Azure{Base: base}
default:
return fmt.Errorf("[%s] storage type has not implement", storageConfig.Type)
}
logger.Info("=> Storage | " + storageConfig.Type)
err = s.open()
if err != nil {
return err
}
defer s.close()
err = s.upload(newFileKey)
if err != nil {
return err
}
base.cycler.run(newFileKey, base.fileKeys, base.keep, s.delete)
return nil
}
// Run storage
func Run(model config.ModelConfig, archivePath string) (err error) {
var errors []error
n := len(model.Storages)
for _, storageConfig := range model.Storages {
err := runModel(model, archivePath, storageConfig)
if err != nil {
if n == 1 {
return err
} else {
errors = append(errors, err)
continue
}
}
}
if len(errors) != 0 {
return fmt.Errorf("Storage errors: %v", errors)
}
return nil
}