mirror of
https://github.com/minio/minio.git
synced 2024-12-25 06:35:56 -05:00
75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2018 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 cmd
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"path/filepath"
|
|
)
|
|
|
|
// CacheConfig represents cache config settings
|
|
type CacheConfig struct {
|
|
Drives []string `json:"drives"`
|
|
Expiry int `json:"expiry"`
|
|
Exclude []string `json:"exclude"`
|
|
}
|
|
|
|
// UnmarshalJSON - implements JSON unmarshal interface for unmarshalling
|
|
// json entries for CacheConfig.
|
|
func (cfg *CacheConfig) UnmarshalJSON(data []byte) (err error) {
|
|
type Alias CacheConfig
|
|
var _cfg = &struct {
|
|
*Alias
|
|
}{
|
|
Alias: (*Alias)(cfg),
|
|
}
|
|
if err = json.Unmarshal(data, _cfg); err != nil {
|
|
return err
|
|
}
|
|
if _, err = parseCacheDrives(_cfg.Drives); err != nil {
|
|
return err
|
|
}
|
|
if _, err = parseCacheExcludes(_cfg.Exclude); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Parses given cacheDrivesEnv and returns a list of cache drives.
|
|
func parseCacheDrives(drives []string) ([]string, error) {
|
|
for _, d := range drives {
|
|
if !filepath.IsAbs(d) {
|
|
return nil, fmt.Errorf("cache dir should be absolute path: %s", d)
|
|
}
|
|
}
|
|
return drives, nil
|
|
}
|
|
|
|
// Parses given cacheExcludesEnv and returns a list of cache exclude patterns.
|
|
func parseCacheExcludes(excludes []string) ([]string, error) {
|
|
for _, e := range excludes {
|
|
if len(e) == 0 {
|
|
return nil, fmt.Errorf("cache exclude path (%s) cannot be empty", e)
|
|
}
|
|
if hasPrefix(e, slashSeparator) {
|
|
return nil, fmt.Errorf("cache exclude pattern (%s) cannot start with / as prefix", e)
|
|
}
|
|
}
|
|
return excludes, nil
|
|
}
|