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minio/config-v4.go

198 lines
4.5 KiB

/*
* Minio Cloud Storage, (C) 2016 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 main
import (
"os"
"sync"
"github.com/minio/minio/pkg/quick"
)
// serverConfigV4 server configuration version '4'.
type serverConfigV4 struct {
Version string `json:"version"`
// S3 API configuration.
Credential credential `json:"credential"`
Region string `json:"region"`
// Additional error logging configuration.
Logger logger `json:"logger"`
// Read Write mutex.
rwMutex *sync.RWMutex
}
// initConfig - initialize server config. config version (called only once).
func initConfig() error {
if !isConfigFileExists() {
srvCfg := &serverConfigV4{}
srvCfg.Version = globalMinioConfigVersion
srvCfg.Region = "us-east-1"
srvCfg.Credential = mustGenAccessKeys()
// Enable console logger by default on a fresh run.
srvCfg.Logger.Console = consoleLogger{
Enable: true,
Level: "fatal",
}
srvCfg.rwMutex = &sync.RWMutex{}
// Create config path.
err := createConfigPath()
if err != nil {
return err
}
// Create certs path.
err = createCertsPath()
if err != nil {
return err
}
// Save the new config globally.
serverConfig = srvCfg
// Save config into file.
return serverConfig.Save()
}
configFile, err := getConfigFile()
if err != nil {
return err
}
if _, err = os.Stat(configFile); err != nil {
return err
}
srvCfg := &serverConfigV4{}
srvCfg.Version = globalMinioConfigVersion
srvCfg.rwMutex = &sync.RWMutex{}
qc, err := quick.New(srvCfg)
if err != nil {
return err
}
if err := qc.Load(configFile); err != nil {
return err
}
// Save the loaded config globally.
serverConfig = qc.Data().(*serverConfigV4)
// Set the version properly after the unmarshalled json is loaded.
serverConfig.Version = globalMinioConfigVersion
return nil
}
// serverConfig server config.
var serverConfig *serverConfigV4
// GetVersion get current config version.
func (s serverConfigV4) GetVersion() string {
s.rwMutex.RLock()
defer s.rwMutex.RUnlock()
return s.Version
}
/// Logger related.
// SetFileLogger set new file logger.
func (s *serverConfigV4) SetFileLogger(flogger fileLogger) {
s.rwMutex.Lock()
defer s.rwMutex.Unlock()
s.Logger.File = flogger
}
// GetFileLogger get current file logger.
func (s serverConfigV4) GetFileLogger() fileLogger {
s.rwMutex.RLock()
defer s.rwMutex.RUnlock()
return s.Logger.File
}
// SetConsoleLogger set new console logger.
func (s *serverConfigV4) SetConsoleLogger(clogger consoleLogger) {
s.rwMutex.Lock()
defer s.rwMutex.Unlock()
s.Logger.Console = clogger
}
// GetConsoleLogger get current console logger.
func (s serverConfigV4) GetConsoleLogger() consoleLogger {
s.rwMutex.RLock()
defer s.rwMutex.RUnlock()
return s.Logger.Console
}
// SetSyslogLogger set new syslog logger.
func (s *serverConfigV4) SetSyslogLogger(slogger syslogLogger) {
s.rwMutex.Lock()
defer s.rwMutex.Unlock()
s.Logger.Syslog = slogger
}
// GetSyslogLogger get current syslog logger.
func (s *serverConfigV4) GetSyslogLogger() syslogLogger {
s.rwMutex.RLock()
defer s.rwMutex.RUnlock()
return s.Logger.Syslog
}
// SetRegion set new region.
func (s *serverConfigV4) SetRegion(region string) {
s.rwMutex.Lock()
defer s.rwMutex.Unlock()
s.Region = region
}
// GetRegion get current region.
func (s serverConfigV4) GetRegion() string {
s.rwMutex.RLock()
defer s.rwMutex.RUnlock()
return s.Region
}
// SetCredentials set new credentials.
func (s *serverConfigV4) SetCredential(creds credential) {
s.rwMutex.Lock()
defer s.rwMutex.Unlock()
s.Credential = creds
}
// GetCredentials get current credentials.
func (s serverConfigV4) GetCredential() credential {
s.rwMutex.RLock()
defer s.rwMutex.RUnlock()
return s.Credential
}
// Save config.
func (s serverConfigV4) Save() error {
s.rwMutex.RLock()
defer s.rwMutex.RUnlock()
// get config file.
configFile, err := getConfigFile()
if err != nil {
return err
}
// initialize quick.
qc, err := quick.New(&s)
if err != nil {
return err
}
// Save config file.
return qc.Save(configFile)
}