github.com/minio/madmin-go@v1.7.5/config-commands.go (about)

     1  //
     2  // MinIO Object Storage (c) 2021 MinIO, Inc.
     3  //
     4  // Licensed under the Apache License, Version 2.0 (the "License");
     5  // you may not use this file except in compliance with the License.
     6  // You may obtain a copy of the License at
     7  //
     8  //      http://www.apache.org/licenses/LICENSE-2.0
     9  //
    10  // Unless required by applicable law or agreed to in writing, software
    11  // distributed under the License is distributed on an "AS IS" BASIS,
    12  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  // See the License for the specific language governing permissions and
    14  // limitations under the License.
    15  //
    16  
    17  package madmin
    18  
    19  import (
    20  	"bytes"
    21  	"context"
    22  	"io"
    23  	"net/http"
    24  )
    25  
    26  // GetConfig - returns the config.json of a minio setup, incoming data is encrypted.
    27  func (adm *AdminClient) GetConfig(ctx context.Context) ([]byte, error) {
    28  	// Execute GET on /minio/admin/v3/config to get config of a setup.
    29  	resp, err := adm.executeMethod(ctx,
    30  		http.MethodGet,
    31  		requestData{relPath: adminAPIPrefix + "/config"})
    32  	defer closeResponse(resp)
    33  	if err != nil {
    34  		return nil, err
    35  	}
    36  
    37  	if resp.StatusCode != http.StatusOK {
    38  		return nil, httpRespToErrorResponse(resp)
    39  	}
    40  
    41  	return DecryptData(adm.getSecretKey(), resp.Body)
    42  }
    43  
    44  // SetConfig - set config supplied as config.json for the setup.
    45  func (adm *AdminClient) SetConfig(ctx context.Context, config io.Reader) (err error) {
    46  	const maxConfigJSONSize = 256 * 1024 // 256KiB
    47  
    48  	// Read configuration bytes
    49  	configBuf := make([]byte, maxConfigJSONSize+1)
    50  	n, err := io.ReadFull(config, configBuf)
    51  	if err == nil {
    52  		return bytes.ErrTooLarge
    53  	}
    54  	if err != io.ErrUnexpectedEOF {
    55  		return err
    56  	}
    57  	configBytes := configBuf[:n]
    58  	econfigBytes, err := EncryptData(adm.getSecretKey(), configBytes)
    59  	if err != nil {
    60  		return err
    61  	}
    62  
    63  	reqData := requestData{
    64  		relPath: adminAPIPrefix + "/config",
    65  		content: econfigBytes,
    66  	}
    67  
    68  	// Execute PUT on /minio/admin/v3/config to set config.
    69  	resp, err := adm.executeMethod(ctx, http.MethodPut, reqData)
    70  
    71  	defer closeResponse(resp)
    72  	if err != nil {
    73  		return err
    74  	}
    75  
    76  	if resp.StatusCode != http.StatusOK {
    77  		return httpRespToErrorResponse(resp)
    78  	}
    79  
    80  	return nil
    81  }