minio/pkg/madmin/config-commands.go

83 lines
2.2 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 (
"bytes"
"context"
"io"
"net/http"
)
// GetConfig - returns the config.json of a minio setup, incoming data is encrypted.
func (adm *AdminClient) GetConfig(ctx context.Context) ([]byte, error) {
// Execute GET on /minio/admin/v3/config to get config of a setup.
resp, err := adm.executeMethod(ctx,
http.MethodGet,
requestData{relPath: adminAPIPrefix + "/config"})
defer closeResponse(resp)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, httpRespToErrorResponse(resp)
}
return DecryptData(adm.getSecretKey(), resp.Body)
}
// SetConfig - set config supplied as config.json for the setup.
func (adm *AdminClient) SetConfig(ctx context.Context, config io.Reader) (err error) {
const maxConfigJSONSize = 256 * 1024 // 256KiB
// Read configuration bytes
configBuf := make([]byte, maxConfigJSONSize+1)
n, err := io.ReadFull(config, configBuf)
if err == nil {
return bytes.ErrTooLarge
}
if err != io.ErrUnexpectedEOF {
return err
}
configBytes := configBuf[:n]
econfigBytes, err := EncryptData(adm.getSecretKey(), configBytes)
if err != nil {
return err
}
reqData := requestData{
relPath: adminAPIPrefix + "/config",
content: econfigBytes,
}
// Execute PUT on /minio/admin/v3/config to set config.
resp, err := adm.executeMethod(ctx, http.MethodPut, reqData)
defer closeResponse(resp)
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp)
}
return nil
}