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package registry
import (
"code.laria.me/petrific/config"
"code.laria.me/petrific/storage"
"code.laria.me/petrific/storage/cloud"
"code.laria.me/petrific/storage/local"
"code.laria.me/petrific/storage/memory"
"errors"
"fmt"
)
// List af all available storage types
func getStorageTypes() map[string]storage.CreateStorageFromConfig {
return map[string]storage.CreateStorageFromConfig{
"local": local.LocalStorageFromConfig,
"memory": memory.MemoryStorageFromConfig,
"filter": filterStorageFromConfig,
"openstack-swift": cloud.SwiftStorageCreator(),
}
}
var notFoundErr = errors.New("Storage not found")
type unknownMethodErr string
func (method unknownMethodErr) Error() string {
return fmt.Sprintf("Method %s unknown", string(method))
}
type storageConfErr struct {
name string
err error
}
func (e storageConfErr) Error() string {
return fmt.Sprintf("Failed setting up storage %s: %s", e.name, e.err.Error())
}
func loadStorage(conf config.Config, storageName string) (storage.Storage, error) {
method, err := conf.GetStorageMethod(storageName)
if err != nil {
return nil, err
}
st, ok := getStorageTypes()[method]
if !ok {
return nil, unknownMethodErr(method)
}
s, err := st(conf, storageName)
if err != nil {
return nil, err
}
return s, nil
}
func LoadStorage(conf config.Config, storageName string) (storage.Storage, error) {
s, err := loadStorage(conf, storageName)
if err != nil {
return nil, storageConfErr{storageName, err}
}
return s, nil
}
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