mirror of https://github.com/minio/minio.git
278 lines
6.8 KiB
Go
278 lines
6.8 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015 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 main
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import (
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"encoding/json"
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"github.com/fatih/color"
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"github.com/minio/go-homedir"
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"github.com/minio/mc/pkg/console"
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"github.com/minio/minio/pkg/probe"
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"github.com/minio/minio/pkg/quick"
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)
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// configV1
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type configV1 struct {
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Version string `json:"version"`
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AccessKeyID string `json:"accessKeyId"`
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SecretAccessKey string `json:"secretAccessKey"`
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}
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// configV2
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type configV2 struct {
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Version string `json:"version"`
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Credentials struct {
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AccessKeyID string `json:"accessKeyId"`
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SecretAccessKey string `json:"secretAccessKey"`
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Region string `json:"region"`
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} `json:"credentials"`
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MongoLogger struct {
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Addr string `json:"addr"`
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DB string `json:"db"`
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Collection string `json:"collection"`
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} `json:"mongoLogger"`
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SyslogLogger struct {
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Network string `json:"network"`
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Addr string `json:"addr"`
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} `json:"syslogLogger"`
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FileLogger struct {
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Filename string `json:"filename"`
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} `json:"fileLogger"`
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}
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func (c *configV2) IsFileLoggingEnabled() bool {
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if c.FileLogger.Filename != "" {
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return true
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}
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return false
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}
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func (c *configV2) IsSysloggingEnabled() bool {
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if c.SyslogLogger.Network != "" && c.SyslogLogger.Addr != "" {
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return true
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}
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return false
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}
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func (c *configV2) IsMongoLoggingEnabled() bool {
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if c.MongoLogger.Addr != "" && c.MongoLogger.DB != "" && c.MongoLogger.Collection != "" {
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return true
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}
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return false
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}
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func (c *configV2) String() string {
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white := color.New(color.FgWhite, color.Bold).SprintfFunc()
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var str string
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if c.IsMongoLoggingEnabled() {
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str = fmt.Sprintf("Mongo -> %s", white("Addr: %s, DB: %s, Collection: %s",
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c.MongoLogger.Addr, c.MongoLogger.DB, c.MongoLogger.Collection))
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}
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if c.IsSysloggingEnabled() {
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str = fmt.Sprintf("Syslog -> %s", white("Addr: %s, Network: %s",
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c.SyslogLogger.Addr, c.SyslogLogger.Network))
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}
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if c.IsFileLoggingEnabled() {
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str = fmt.Sprintf("File -> %s", white("Filename: %s", c.FileLogger.Filename))
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}
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return str
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}
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func (c *configV2) JSON() string {
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type logger struct {
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MongoLogger struct {
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Addr string `json:"addr"`
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DB string `json:"db"`
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Collection string `json:"collection"`
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} `json:"mongoLogger"`
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SyslogLogger struct {
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Network string `json:"network"`
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Addr string `json:"addr"`
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} `json:"syslogLogger"`
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FileLogger struct {
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Filename string `json:"filename"`
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} `json:"fileLogger"`
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}
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loggerBytes, err := json.Marshal(logger{
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MongoLogger: c.MongoLogger,
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SyslogLogger: c.SyslogLogger,
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FileLogger: c.FileLogger,
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})
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fatalIf(probe.NewError(err), "Unable to marshal logger struct into JSON.", nil)
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return string(loggerBytes)
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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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// Sets a new config path.
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func setGlobalConfigPath(configPath string) {
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customConfigPath = configPath
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}
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// getConfigPath get users config path
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func getConfigPath() (string, *probe.Error) {
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if customConfigPath != "" {
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return customConfigPath, nil
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}
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homeDir, e := homedir.Dir()
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if e != nil {
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return "", probe.NewError(e)
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}
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configPath := filepath.Join(homeDir, ".minio")
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return configPath, nil
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}
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func mustGetConfigPath() string {
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configPath, err := getConfigPath()
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fatalIf(err.Trace(), "Unable to get config path.", nil)
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return configPath
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}
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// createConfigPath create users config path
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func createConfigPath() *probe.Error {
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configPath, err := getConfigPath()
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if err != nil {
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return err.Trace()
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}
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if e := os.MkdirAll(configPath, 0700); e != nil {
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return probe.NewError(e)
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}
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return nil
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}
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// getConfigFile get users config file
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func getConfigFile() (string, *probe.Error) {
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configPath, err := getConfigPath()
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if err != nil {
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return "", err.Trace()
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}
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return filepath.Join(configPath, "config.json"), nil
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}
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// saveConfig save config
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func saveConfig(a *configV2) *probe.Error {
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configFile, err := getConfigFile()
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if err != nil {
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return err.Trace()
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}
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qc, err := quick.New(a)
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if err != nil {
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return err.Trace()
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}
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if err := qc.Save(configFile); err != nil {
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return err.Trace()
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}
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return nil
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}
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// loadConfigV2 load config
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func loadConfigV2() (*configV2, *probe.Error) {
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configFile, err := getConfigFile()
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if err != nil {
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return nil, err.Trace()
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}
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if _, err := os.Stat(configFile); err != nil {
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return nil, probe.NewError(err)
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}
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a := &configV2{}
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a.Version = "2"
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qc, err := quick.New(a)
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if err != nil {
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return nil, err.Trace()
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}
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if err := qc.Load(configFile); err != nil {
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return nil, err.Trace()
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}
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return qc.Data().(*configV2), nil
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}
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// loadConfigV1 load config
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func loadConfigV1() (*configV1, *probe.Error) {
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configPath, err := getConfigPath()
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if err != nil {
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return nil, err.Trace()
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}
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configFile := filepath.Join(configPath, "fsUsers.json")
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if _, err := os.Stat(configFile); err != nil {
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return nil, probe.NewError(err)
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}
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a := &configV1{}
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a.Version = "1"
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qc, err := quick.New(a)
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if err != nil {
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return nil, err.Trace()
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}
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if err := qc.Load(configFile); err != nil {
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return nil, err.Trace()
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}
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return qc.Data().(*configV1), nil
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}
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func newConfigV2() *configV2 {
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config := &configV2{}
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config.Version = "2"
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config.Credentials.AccessKeyID = ""
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config.Credentials.SecretAccessKey = ""
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config.Credentials.Region = "us-east-1"
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config.MongoLogger.Addr = ""
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config.MongoLogger.DB = ""
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config.MongoLogger.Collection = ""
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config.SyslogLogger.Network = ""
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config.SyslogLogger.Addr = ""
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config.FileLogger.Filename = ""
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return config
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}
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func migrateConfig() {
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migrateV1ToV2()
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}
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func migrateV1ToV2() {
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cv1, err := loadConfigV1()
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if err != nil {
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if os.IsNotExist(err.ToGoError()) {
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return
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}
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}
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fatalIf(err.Trace(), "Unable to load config version ‘1’.", nil)
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if cv1.Version != "1" {
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fatalIf(probe.NewError(errors.New("")), "Invalid version loaded ‘"+cv1.Version+"’.", nil)
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}
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cv2 := newConfigV2()
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cv2.Credentials.AccessKeyID = cv1.AccessKeyID
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cv2.Credentials.SecretAccessKey = cv1.SecretAccessKey
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err = saveConfig(cv2)
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fatalIf(err.Trace(), "Unable to save config version ‘2’.", nil)
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console.Println("Migration from version ‘1’ to ‘2’ completed successfully.")
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/// Purge old fsUsers.json file
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configPath, err := getConfigPath()
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fatalIf(err.Trace(), "Unable to retrieve config path.", nil)
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configFile := filepath.Join(configPath, "fsUsers.json")
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os.RemoveAll(configFile)
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}
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