gitea/modules/setting/storage.go

225 lines
7.1 KiB
Go
Raw Normal View History

// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package setting
import (
"errors"
"fmt"
"path/filepath"
)
// StorageType is a type of Storage
type StorageType string
const (
// LocalStorageType is the type descriptor for local storage
LocalStorageType StorageType = "local"
// MinioStorageType is the type descriptor for minio storage
MinioStorageType StorageType = "minio"
)
var storageTypes = []StorageType{
LocalStorageType,
MinioStorageType,
}
// IsValidStorageType returns true if the given storage type is valid
func IsValidStorageType(storageType StorageType) bool {
for _, t := range storageTypes {
if t == storageType {
return true
}
}
return false
}
// MinioStorageConfig represents the configuration for a minio storage
type MinioStorageConfig struct {
Endpoint string `ini:"MINIO_ENDPOINT" json:",omitempty"`
AccessKeyID string `ini:"MINIO_ACCESS_KEY_ID" json:",omitempty"`
SecretAccessKey string `ini:"MINIO_SECRET_ACCESS_KEY" json:",omitempty"`
Bucket string `ini:"MINIO_BUCKET" json:",omitempty"`
Location string `ini:"MINIO_LOCATION" json:",omitempty"`
BasePath string `ini:"MINIO_BASE_PATH" json:",omitempty"`
UseSSL bool `ini:"MINIO_USE_SSL"`
InsecureSkipVerify bool `ini:"MINIO_INSECURE_SKIP_VERIFY"`
ChecksumAlgorithm string `ini:"MINIO_CHECKSUM_ALGORITHM" json:",omitempty"`
ServeDirect bool `ini:"SERVE_DIRECT"`
}
// Storage represents configuration of storages
type Storage struct {
Type StorageType // local or minio
Path string `json:",omitempty"` // for local type
TemporaryPath string `json:",omitempty"`
MinioConfig MinioStorageConfig // for minio type
}
func (storage *Storage) ToShadowCopy() Storage {
shadowStorage := *storage
if shadowStorage.MinioConfig.AccessKeyID != "" {
shadowStorage.MinioConfig.AccessKeyID = "******"
}
if shadowStorage.MinioConfig.SecretAccessKey != "" {
shadowStorage.MinioConfig.SecretAccessKey = "******"
}
return shadowStorage
}
const storageSectionName = "storage"
func getDefaultStorageSection(rootCfg ConfigProvider) ConfigSection {
storageSec := rootCfg.Section(storageSectionName)
// Global Defaults
storageSec.Key("STORAGE_TYPE").MustString("local")
storageSec.Key("MINIO_ENDPOINT").MustString("localhost:9000")
storageSec.Key("MINIO_ACCESS_KEY_ID").MustString("")
storageSec.Key("MINIO_SECRET_ACCESS_KEY").MustString("")
storageSec.Key("MINIO_BUCKET").MustString("gitea")
storageSec.Key("MINIO_LOCATION").MustString("us-east-1")
storageSec.Key("MINIO_USE_SSL").MustBool(false)
storageSec.Key("MINIO_INSECURE_SKIP_VERIFY").MustBool(false)
storageSec.Key("MINIO_CHECKSUM_ALGORITHM").MustString("default")
return storageSec
}
// getStorage will find target section and extra special section first and then read override
// items from extra section
func getStorage(rootCfg ConfigProvider, name, typ string, sec ConfigSection) (*Storage, error) {
if name == "" {
return nil, errors.New("no name for storage")
}
var targetSec ConfigSection
// check typ first
if typ != "" {
var err error
targetSec, err = rootCfg.GetSection(storageSectionName + "." + typ)
if err != nil {
if !IsValidStorageType(StorageType(typ)) {
return nil, fmt.Errorf("get section via storage type %q failed: %v", typ, err)
}
}
if targetSec != nil {
targetType := targetSec.Key("STORAGE_TYPE").String()
if targetType == "" {
if !IsValidStorageType(StorageType(typ)) {
return nil, fmt.Errorf("unknow storage type %q", typ)
}
targetSec.Key("STORAGE_TYPE").SetValue(typ)
} else if !IsValidStorageType(StorageType(targetType)) {
return nil, fmt.Errorf("unknow storage type %q for section storage.%v", targetType, typ)
}
}
}
if targetSec == nil && sec != nil {
secTyp := sec.Key("STORAGE_TYPE").String()
if IsValidStorageType(StorageType(secTyp)) {
targetSec = sec
} else if secTyp != "" {
targetSec, _ = rootCfg.GetSection(storageSectionName + "." + secTyp)
}
}
targetSecIsStoragename := false
storageNameSec, _ := rootCfg.GetSection(storageSectionName + "." + name)
if targetSec == nil {
targetSec = storageNameSec
targetSecIsStoragename = storageNameSec != nil
}
if targetSec == nil {
targetSec = getDefaultStorageSection(rootCfg)
} else {
targetType := targetSec.Key("STORAGE_TYPE").String()
switch {
case targetType == "":
if targetSec != storageNameSec && storageNameSec != nil {
targetSec = storageNameSec
targetSecIsStoragename = true
if targetSec.Key("STORAGE_TYPE").String() == "" {
return nil, fmt.Errorf("storage section %s.%s has no STORAGE_TYPE", storageSectionName, name)
}
} else {
if targetSec.Key("PATH").String() == "" {
targetSec = getDefaultStorageSection(rootCfg)
} else {
targetSec.Key("STORAGE_TYPE").SetValue("local")
}
}
default:
newTargetSec, _ := rootCfg.GetSection(storageSectionName + "." + targetType)
if newTargetSec == nil {
if !IsValidStorageType(StorageType(targetType)) {
return nil, fmt.Errorf("invalid storage section %s.%q", storageSectionName, targetType)
}
} else {
targetSec = newTargetSec
if IsValidStorageType(StorageType(targetType)) {
tp := targetSec.Key("STORAGE_TYPE").String()
if tp == "" {
targetSec.Key("STORAGE_TYPE").SetValue(targetType)
}
}
}
}
}
targetType := targetSec.Key("STORAGE_TYPE").String()
if !IsValidStorageType(StorageType(targetType)) {
return nil, fmt.Errorf("invalid storage type %q", targetType)
}
// extra config section will be read SERVE_DIRECT, PATH, MINIO_BASE_PATH, MINIO_BUCKET to override the targetsec when possible
extraConfigSec := sec
if extraConfigSec == nil {
extraConfigSec = storageNameSec
}
var storage Storage
storage.Type = StorageType(targetType)
switch targetType {
case string(LocalStorageType):
targetPath := ConfigSectionKeyString(targetSec, "PATH", "")
if targetPath == "" {
targetPath = AppDataPath
} else if !filepath.IsAbs(targetPath) {
targetPath = filepath.Join(AppDataPath, targetPath)
}
var fallbackPath string
if targetSecIsStoragename {
fallbackPath = targetPath
} else {
fallbackPath = filepath.Join(targetPath, name)
}
if extraConfigSec == nil {
storage.Path = fallbackPath
} else {
storage.Path = ConfigSectionKeyString(extraConfigSec, "PATH", fallbackPath)
if !filepath.IsAbs(storage.Path) {
storage.Path = filepath.Join(targetPath, storage.Path)
}
}
case string(MinioStorageType):
if err := targetSec.MapTo(&storage.MinioConfig); err != nil {
return nil, fmt.Errorf("map minio config failed: %v", err)
}
storage.MinioConfig.BasePath = name + "/"
if extraConfigSec != nil {
storage.MinioConfig.ServeDirect = ConfigSectionKeyBool(extraConfigSec, "SERVE_DIRECT", storage.MinioConfig.ServeDirect)
storage.MinioConfig.BasePath = ConfigSectionKeyString(extraConfigSec, "MINIO_BASE_PATH", storage.MinioConfig.BasePath)
storage.MinioConfig.Bucket = ConfigSectionKeyString(extraConfigSec, "MINIO_BUCKET", storage.MinioConfig.Bucket)
}
}
return &storage, nil
}