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minio/cmd/disk-cache-config.go

64 lines
1.7 KiB

/*
* 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 (
"strconv"
"strings"
"errors"
)
// CacheConfig represents cache config settings
type CacheConfig struct {
Drives []string
Expiry int
Exclude []string
}
// Parses given cacheDrivesEnv and returns a list of cache drives.
func parseCacheDrives(cacheDrivesEnv string) ([]string, error) {
cacheDrivesEnv = strings.ToLower(cacheDrivesEnv)
s := strings.Split(cacheDrivesEnv, ";")
c2 := make([]string, 0)
for _, d := range s {
if len(d) > 0 {
c2 = append(c2, d)
}
}
return c2, nil
}
// Parses given cacheExcludesEnv and returns a list of cache exclude patterns.
func parseCacheExcludes(cacheExcludesEnv string) ([]string, error) {
s := strings.Split(cacheExcludesEnv, ";")
c2 := make([]string, 0)
for _, e := range s {
if len(e) > 0 {
if strings.HasPrefix(e, "/") {
return c2, errors.New("cache exclude patterns cannot start with / as prefix " + e)
}
c2 = append(c2, e)
}
}
return c2, nil
}
// Parses given cacheExpiryEnv and returns cache expiry in days.
func parseCacheExpiry(cacheExpiryEnv string) (int, error) {
return strconv.Atoi(cacheExpiryEnv)
}