mirror of https://github.com/minio/minio.git
100 lines
2.9 KiB
Go
100 lines
2.9 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
|
|
//
|
|
// This file is part of MinIO Object Storage stack
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package madmin
|
|
|
|
import (
|
|
"encoding/base64"
|
|
)
|
|
|
|
//go:generate msgp -file $GOFILE
|
|
|
|
// TierGCS represents the remote tier configuration for Google Cloud Storage
|
|
type TierGCS struct {
|
|
Endpoint string `json:",omitempty"` // custom endpoint is not supported for GCS
|
|
Creds string `json:",omitempty"` // base64 encoding of credentials.json
|
|
Bucket string `json:",omitempty"`
|
|
Prefix string `json:",omitempty"`
|
|
Region string `json:",omitempty"`
|
|
StorageClass string `json:",omitempty"`
|
|
}
|
|
|
|
// GCSOptions supports NewTierGCS to take variadic options
|
|
type GCSOptions func(*TierGCS) error
|
|
|
|
// GCSPrefix helper to supply optional object prefix to NewTierGCS
|
|
func GCSPrefix(prefix string) func(*TierGCS) error {
|
|
return func(gcs *TierGCS) error {
|
|
gcs.Prefix = prefix
|
|
return nil
|
|
}
|
|
}
|
|
|
|
// GCSRegion helper to supply optional region to NewTierGCS
|
|
func GCSRegion(region string) func(*TierGCS) error {
|
|
return func(gcs *TierGCS) error {
|
|
gcs.Region = region
|
|
return nil
|
|
}
|
|
}
|
|
|
|
// GCSStorageClass helper to supply optional storage class to NewTierGCS
|
|
func GCSStorageClass(sc string) func(*TierGCS) error {
|
|
return func(gcs *TierGCS) error {
|
|
gcs.StorageClass = sc
|
|
return nil
|
|
}
|
|
}
|
|
|
|
// GetCredentialJSON method returns the credentials JSON bytes.
|
|
func (gcs *TierGCS) GetCredentialJSON() ([]byte, error) {
|
|
return base64.URLEncoding.DecodeString(gcs.Creds)
|
|
}
|
|
|
|
// NewTierGCS returns a TierConfig of GCS type. Returns error if the given
|
|
// parameters are invalid like name is empty etc.
|
|
func NewTierGCS(name string, credsJSON []byte, bucket string, options ...GCSOptions) (*TierConfig, error) {
|
|
if name == "" {
|
|
return nil, ErrTierNameEmpty
|
|
}
|
|
creds := base64.URLEncoding.EncodeToString(credsJSON)
|
|
gcs := &TierGCS{
|
|
Creds: creds,
|
|
Bucket: bucket,
|
|
// Defaults
|
|
// endpoint is meant only for client-side display purposes
|
|
Endpoint: "https://storage.googleapis.com/",
|
|
Prefix: "",
|
|
Region: "",
|
|
StorageClass: "",
|
|
}
|
|
|
|
for _, option := range options {
|
|
err := option(gcs)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return &TierConfig{
|
|
Version: TierConfigV1,
|
|
Type: GCS,
|
|
Name: name,
|
|
GCS: gcs,
|
|
}, nil
|
|
}
|