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minio/pkg/madmin/config-kv-commands.go

137 lines
3.3 KiB

/*
* MinIO Cloud Storage, (C) 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 (
"bufio"
"encoding/base64"
"net/http"
"net/url"
"strings"
)
// DelConfigKV - delete key from server config.
func (adm *AdminClient) DelConfigKV(k string) (err error) {
econfigBytes, err := EncryptData(adm.secretAccessKey, []byte(k))
if err != nil {
return err
}
reqData := requestData{
relPath: adminAPIPrefix + "/del-config-kv",
content: econfigBytes,
}
// Execute DELETE on /minio/admin/v2/del-config-kv to delete config key.
resp, err := adm.executeMethod(http.MethodDelete, reqData)
defer closeResponse(resp)
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp)
}
return nil
}
// SetConfigKV - set key value config to server.
func (adm *AdminClient) SetConfigKV(kv string) (err error) {
bio := bufio.NewScanner(strings.NewReader(kv))
var s strings.Builder
var comment string
for bio.Scan() {
if bio.Text() == "" {
continue
}
if strings.HasPrefix(bio.Text(), KvComment) {
// Join multiple comments for each newline, separated by "\n"
comments := []string{comment, strings.TrimPrefix(bio.Text(), KvComment)}
comment = strings.Join(comments, KvNewline)
continue
}
s.WriteString(bio.Text())
if comment != "" {
s.WriteString(KvSpaceSeparator)
s.WriteString(commentKey)
s.WriteString(KvSeparator)
s.WriteString(KvDoubleQuote)
s.WriteString(base64.RawStdEncoding.EncodeToString([]byte(comment)))
s.WriteString(KvDoubleQuote)
}
s.WriteString(KvNewline)
comment = ""
}
econfigBytes, err := EncryptData(adm.secretAccessKey, []byte(s.String()))
if err != nil {
return err
}
reqData := requestData{
relPath: adminAPIPrefix + "/set-config-kv",
content: econfigBytes,
}
// Execute PUT on /minio/admin/v2/set-config-kv to set config key/value.
resp, err := adm.executeMethod(http.MethodPut, reqData)
defer closeResponse(resp)
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp)
}
return nil
}
// GetConfigKV - returns the key, value of the requested key, incoming data is encrypted.
func (adm *AdminClient) GetConfigKV(key string) (Targets, error) {
v := url.Values{}
v.Set("key", key)
// Execute GET on /minio/admin/v2/get-config-kv?key={key} to get value of key.
resp, err := adm.executeMethod(http.MethodGet,
requestData{
relPath: adminAPIPrefix + "/get-config-kv",
queryValues: v,
})
defer closeResponse(resp)
if err != nil {
return nil, err
}
defer closeResponse(resp)
if resp.StatusCode != http.StatusOK {
return nil, httpRespToErrorResponse(resp)
}
data, err := DecryptData(adm.secretAccessKey, resp.Body)
if err != nil {
return nil, err
}
return ParseSubSysTarget(data)
}