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f2fd8b0265
Editing config.go to add lock on customConfigPath to avoid race condition when setGlobalConfigPath() and getConfigPath() are called concurrently.
96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015, 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"os"
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"path/filepath"
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"sync"
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"github.com/minio/go-homedir"
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)
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// configPath for custom config path only for testing purposes
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var customConfigPath string
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var configMu sync.Mutex
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// Sets a new config path.
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func setGlobalConfigPath(configPath string) {
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configMu.Lock()
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defer configMu.Unlock()
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customConfigPath = configPath
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}
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// getConfigPath get server config path
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func getConfigPath() (string, error) {
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configMu.Lock()
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defer configMu.Unlock()
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if customConfigPath != "" {
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return customConfigPath, nil
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}
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homeDir, err := homedir.Dir()
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if err != nil {
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return "", err
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}
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configPath := filepath.Join(homeDir, globalMinioConfigDir)
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return configPath, nil
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}
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// mustGetConfigPath must get server config path.
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func mustGetConfigPath() string {
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configPath, err := getConfigPath()
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fatalIf(err, "Unable to get config path.")
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return configPath
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}
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// createConfigPath create server config path.
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func createConfigPath() error {
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configPath, err := getConfigPath()
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if err != nil {
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return err
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}
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return os.MkdirAll(configPath, 0700)
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}
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// isConfigFileExists - returns true if config file exists.
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func isConfigFileExists() bool {
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st, err := os.Stat(mustGetConfigFile())
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// If file exists and is regular return true.
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if err == nil && st.Mode().IsRegular() {
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return true
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}
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return false
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}
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// mustGetConfigFile must get server config file.
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func mustGetConfigFile() string {
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configFile, err := getConfigFile()
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fatalIf(err, "Unable to get config file.")
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return configFile
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}
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// getConfigFile get server config file.
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func getConfigFile() (string, error) {
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configPath, err := getConfigPath()
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if err != nil {
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return "", err
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}
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return filepath.Join(configPath, globalMinioConfigFile), nil
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}
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