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minio/pkg/madmin/config-commands.go

83 lines
2.1 KiB

/*
* MinIO Cloud Storage, (C) 2017-2019 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
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
}