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minio/cmd/config-v14.go

238 lines
5.7 KiB

/*
* Minio Cloud Storage, (C) 2016, 2017 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 (
"errors"
"os"
"strings"
"sync"
"github.com/minio/minio/pkg/quick"
)
// Read Write mutex for safe access to ServerConfig.
var serverConfigMu sync.RWMutex
// Config version
var v14 = "14"
// serverConfigV14 server configuration version '14' which is like
// version '13' except it adds support of browser param.
type serverConfigV14 struct {
Version string `json:"version"`
// S3 API configuration.
Credential credential `json:"credential"`
Region string `json:"region"`
Browser string `json:"browser"`
// Additional error logging configuration.
Logger *logger `json:"logger"`
// Notification queue configuration.
Notify *notifier `json:"notify"`
}
func newServerConfigV14() *serverConfigV14 {
srvCfg := &serverConfigV14{
Version: v14,
Region: globalMinioDefaultRegion,
Logger: &logger{},
Notify: &notifier{},
}
srvCfg.SetCredential(newCredential())
srvCfg.SetBrowser("on")
// Enable console logger by default on a fresh run.
srvCfg.Logger.Console = consoleLogger{
Enable: true,
Level: "error",
}
// Make sure to initialize notification configs.
srvCfg.Notify.AMQP = make(map[string]amqpNotify)
srvCfg.Notify.AMQP["1"] = amqpNotify{}
srvCfg.Notify.ElasticSearch = make(map[string]elasticSearchNotify)
srvCfg.Notify.ElasticSearch["1"] = elasticSearchNotify{}
srvCfg.Notify.Redis = make(map[string]redisNotify)
srvCfg.Notify.Redis["1"] = redisNotify{}
srvCfg.Notify.NATS = make(map[string]natsNotify)
srvCfg.Notify.NATS["1"] = natsNotify{}
srvCfg.Notify.PostgreSQL = make(map[string]postgreSQLNotify)
srvCfg.Notify.PostgreSQL["1"] = postgreSQLNotify{}
srvCfg.Notify.Kafka = make(map[string]kafkaNotify)
srvCfg.Notify.Kafka["1"] = kafkaNotify{}
srvCfg.Notify.Webhook = make(map[string]webhookNotify)
srvCfg.Notify.Webhook["1"] = webhookNotify{}
return srvCfg
}
// newConfig - initialize a new server config, saves env parameters if
// found, otherwise use default parameters
func newConfig(envParams envParams) error {
// Initialize server config.
srvCfg := newServerConfigV14()
// If env is set for a fresh start, save them to config file.
if globalIsEnvCreds {
srvCfg.SetCredential(envParams.creds)
}
if globalIsEnvBrowser {
srvCfg.SetBrowser(envParams.browser)
}
// Create config path.
if err := createConfigDir(); err != nil {
return err
}
// hold the mutex lock before a new config is assigned.
// Save the new config globally.
// unlock the mutex.
serverConfigMu.Lock()
serverConfig = srvCfg
serverConfigMu.Unlock()
// Save config into file.
return serverConfig.Save()
}
// loadConfig - loads a new config from disk, overrides params from env
// if found and valid
func loadConfig(envParams envParams) error {
configFile := getConfigFile()
if _, err := os.Stat(configFile); err != nil {
return err
}
srvCfg := &serverConfigV14{}
qc, err := quick.New(srvCfg)
if err != nil {
return err
}
if err = qc.Load(configFile); err != nil {
return err
}
// If env is set override the credentials from config file.
if globalIsEnvCreds {
srvCfg.SetCredential(envParams.creds)
}
if globalIsEnvBrowser {
srvCfg.SetBrowser(envParams.browser)
}
if strings.ToLower(srvCfg.GetBrowser()) == "off" {
globalIsBrowserEnabled = false
}
// hold the mutex lock before a new config is assigned.
serverConfigMu.Lock()
// Save the loaded config globally.
serverConfig = srvCfg
serverConfigMu.Unlock()
if serverConfig.Version != v14 {
return errors.New("Unsupported config version `" + serverConfig.Version + "`.")
}
return nil
}
// serverConfig server config.
var serverConfig *serverConfigV14
// GetVersion get current config version.
func (s serverConfigV14) GetVersion() string {
serverConfigMu.RLock()
defer serverConfigMu.RUnlock()
return s.Version
}
// SetRegion set new region.
func (s *serverConfigV14) SetRegion(region string) {
serverConfigMu.Lock()
defer serverConfigMu.Unlock()
s.Region = region
}
// GetRegion get current region.
func (s serverConfigV14) GetRegion() string {
serverConfigMu.RLock()
defer serverConfigMu.RUnlock()
return s.Region
}
// SetCredentials set new credentials.
func (s *serverConfigV14) SetCredential(creds credential) {
serverConfigMu.Lock()
defer serverConfigMu.Unlock()
// Set updated credential.
s.Credential = newCredentialWithKeys(creds.AccessKey, creds.SecretKey)
}
// GetCredentials get current credentials.
func (s serverConfigV14) GetCredential() credential {
serverConfigMu.RLock()
defer serverConfigMu.RUnlock()
return s.Credential
}
// SetBrowser set if browser is enabled.
func (s *serverConfigV14) SetBrowser(v string) {
serverConfigMu.Lock()
defer serverConfigMu.Unlock()
// Set browser param
s.Browser = v
}
// GetCredentials get current credentials.
func (s serverConfigV14) GetBrowser() string {
serverConfigMu.RLock()
defer serverConfigMu.RUnlock()
return s.Browser
}
// Save config.
func (s serverConfigV14) Save() error {
serverConfigMu.RLock()
defer serverConfigMu.RUnlock()
// get config file.
configFile := getConfigFile()
// initialize quick.
qc, err := quick.New(&s)
if err != nil {
return err
}
// Save config file.
return qc.Save(configFile)
}