mirror of
https://github.com/minio/minio.git
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381 lines
11 KiB
Go
381 lines
11 KiB
Go
/*
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* Minio Cloud Storage, (C) 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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"fmt"
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"os"
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"path/filepath"
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"github.com/minio/mc/pkg/console"
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"github.com/minio/minio/pkg/quick"
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)
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func migrateConfig() error {
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// Purge all configs with version '1'.
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if err := purgeV1(); err != nil {
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return err
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}
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// Migrate version '2' to '3'.
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if err := migrateV2ToV3(); err != nil {
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return err
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}
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// Migrate version '3' to '4'.
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if err := migrateV3ToV4(); err != nil {
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return err
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}
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// Migrate version '4' to '5'.
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if err := migrateV4ToV5(); err != nil {
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return err
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}
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// Migrate version '5' to '6.
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if err := migrateV5ToV6(); err != nil {
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return err
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}
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// Migrate version '6' to '7'.
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if err := migrateV6ToV7(); err != nil {
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return err
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}
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return nil
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}
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// Version '1' is not supported anymore and deprecated, safe to delete.
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func purgeV1() error {
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cv1, err := loadConfigV1()
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return fmt.Errorf("Unable to load config version ‘1’. %v", err)
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}
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if cv1.Version == "1" {
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console.Println("Removed unsupported config version ‘1’.")
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/// Purge old fsUsers.json file
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configPath, err := getConfigPath()
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if err != nil {
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return fmt.Errorf("Unable to retrieve config path. %v", err)
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}
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configFile := filepath.Join(configPath, "fsUsers.json")
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removeAll(configFile)
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return nil
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}
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return fmt.Errorf("Failed to migrate unrecognized config version ‘" + cv1.Version + "’.")
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}
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// Version '2' to '3' config migration adds new fields and re-orders
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// previous fields. Simplifies config for future additions.
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func migrateV2ToV3() error {
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cv2, err := loadConfigV2()
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return fmt.Errorf("Unable to load config version ‘2’. %v", err)
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}
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if cv2.Version != "2" {
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return nil
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}
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srvConfig := &configV3{}
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srvConfig.Version = "3"
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srvConfig.Addr = ":9000"
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srvConfig.Credential = credential{
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AccessKeyID: cv2.Credentials.AccessKeyID,
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SecretAccessKey: cv2.Credentials.SecretAccessKey,
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}
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srvConfig.Region = cv2.Credentials.Region
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if srvConfig.Region == "" {
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// Region needs to be set for AWS Signature V4.
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srvConfig.Region = "us-east-1"
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}
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srvConfig.Logger.Console = consoleLogger{
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Enable: true,
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Level: "fatal",
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}
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flogger := fileLogger{}
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flogger.Level = "error"
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if cv2.FileLogger.Filename != "" {
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flogger.Enable = true
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flogger.Filename = cv2.FileLogger.Filename
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}
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srvConfig.Logger.File = flogger
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slogger := syslogLogger{}
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slogger.Level = "debug"
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if cv2.SyslogLogger.Addr != "" {
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slogger.Enable = true
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slogger.Addr = cv2.SyslogLogger.Addr
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}
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srvConfig.Logger.Syslog = slogger
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qc, err := quick.New(srvConfig)
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if err != nil {
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return fmt.Errorf("Unable to initialize config. %v", err)
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}
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configFile, err := getConfigFile()
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if err != nil {
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return fmt.Errorf("Unable to get config file. %v", err)
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}
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// Migrate the config.
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err = qc.Save(configFile)
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if err != nil {
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return fmt.Errorf("Failed to migrate config from ‘"+cv2.Version+"’ to ‘"+srvConfig.Version+"’ failed. %v", err)
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}
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console.Println("Migration from version ‘" + cv2.Version + "’ to ‘" + srvConfig.Version + "’ completed successfully.")
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return nil
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}
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// Version '3' to '4' migrates config, removes previous fields related
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// to backend types and server address. This change further simplifies
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// the config for future additions.
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func migrateV3ToV4() error {
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cv3, err := loadConfigV3()
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return fmt.Errorf("Unable to load config version ‘3’. %v", err)
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}
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if cv3.Version != "3" {
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return nil
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}
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// Save only the new fields, ignore the rest.
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srvConfig := &configV4{}
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srvConfig.Version = "4"
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srvConfig.Credential = cv3.Credential
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srvConfig.Region = cv3.Region
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if srvConfig.Region == "" {
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// Region needs to be set for AWS Signature Version 4.
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srvConfig.Region = "us-east-1"
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}
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srvConfig.Logger.Console = cv3.Logger.Console
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srvConfig.Logger.File = cv3.Logger.File
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srvConfig.Logger.Syslog = cv3.Logger.Syslog
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qc, err := quick.New(srvConfig)
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if err != nil {
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return fmt.Errorf("Unable to initialize the quick config. %v", err)
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}
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configFile, err := getConfigFile()
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if err != nil {
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return fmt.Errorf("Unable to get config file. %v", err)
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}
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err = qc.Save(configFile)
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if err != nil {
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return fmt.Errorf("Failed to migrate config from ‘"+cv3.Version+"’ to ‘"+srvConfig.Version+"’ failed. %v", err)
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}
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console.Println("Migration from version ‘" + cv3.Version + "’ to ‘" + srvConfig.Version + "’ completed successfully.")
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return nil
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}
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// Version '4' to '5' migrates config, removes previous fields related
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// to backend types and server address. This change further simplifies
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// the config for future additions.
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func migrateV4ToV5() error {
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cv4, err := loadConfigV4()
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return fmt.Errorf("Unable to load config version ‘4’. %v", err)
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}
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if cv4.Version != "4" {
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return nil
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}
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// Save only the new fields, ignore the rest.
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srvConfig := &configV5{}
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srvConfig.Version = "5"
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srvConfig.Credential = cv4.Credential
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srvConfig.Region = cv4.Region
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if srvConfig.Region == "" {
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// Region needs to be set for AWS Signature Version 4.
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srvConfig.Region = "us-east-1"
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}
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srvConfig.Logger.Console = cv4.Logger.Console
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srvConfig.Logger.File = cv4.Logger.File
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srvConfig.Logger.Syslog = cv4.Logger.Syslog
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srvConfig.Logger.AMQP.Enable = false
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srvConfig.Logger.ElasticSearch.Enable = false
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srvConfig.Logger.Redis.Enable = false
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qc, err := quick.New(srvConfig)
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if err != nil {
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return fmt.Errorf("Unable to initialize the quick config. %v", err)
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}
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configFile, err := getConfigFile()
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if err != nil {
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return fmt.Errorf("Unable to get config file. %v", err)
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}
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err = qc.Save(configFile)
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if err != nil {
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return fmt.Errorf("Failed to migrate config from ‘"+cv4.Version+"’ to ‘"+srvConfig.Version+"’ failed. %v", err)
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}
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console.Println("Migration from version ‘" + cv4.Version + "’ to ‘" + srvConfig.Version + "’ completed successfully.")
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return nil
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}
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// Version '5' to '6' migrates config, removes previous fields related
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// to backend types and server address. This change further simplifies
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// the config for future additions.
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func migrateV5ToV6() error {
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cv5, err := loadConfigV5()
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return fmt.Errorf("Unable to load config version ‘5’. %v", err)
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}
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if cv5.Version != "5" {
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return nil
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}
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// Save only the new fields, ignore the rest.
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srvConfig := &configV6{}
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srvConfig.Version = "6"
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srvConfig.Credential = cv5.Credential
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srvConfig.Region = cv5.Region
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if srvConfig.Region == "" {
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// Region needs to be set for AWS Signature Version 4.
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srvConfig.Region = "us-east-1"
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}
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srvConfig.Logger.Console = cv5.Logger.Console
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srvConfig.Logger.File = cv5.Logger.File
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srvConfig.Logger.Syslog = cv5.Logger.Syslog
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srvConfig.Notify.AMQP = map[string]amqpNotify{
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"1": {
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Enable: cv5.Logger.AMQP.Enable,
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URL: cv5.Logger.AMQP.URL,
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Exchange: cv5.Logger.AMQP.Exchange,
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RoutingKey: cv5.Logger.AMQP.RoutingKey,
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Mandatory: cv5.Logger.AMQP.Mandatory,
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Immediate: cv5.Logger.AMQP.Immediate,
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Durable: cv5.Logger.AMQP.Durable,
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Internal: cv5.Logger.AMQP.Internal,
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NoWait: cv5.Logger.AMQP.NoWait,
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AutoDeleted: cv5.Logger.AMQP.AutoDeleted,
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},
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}
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srvConfig.Notify.ElasticSearch = map[string]elasticSearchNotify{
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"1": {
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Enable: cv5.Logger.ElasticSearch.Enable,
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URL: cv5.Logger.ElasticSearch.URL,
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Index: cv5.Logger.ElasticSearch.Index,
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},
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}
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srvConfig.Notify.Redis = map[string]redisNotify{
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"1": {
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Enable: cv5.Logger.Redis.Enable,
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Addr: cv5.Logger.Redis.Addr,
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Password: cv5.Logger.Redis.Password,
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Key: cv5.Logger.Redis.Key,
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},
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}
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qc, err := quick.New(srvConfig)
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if err != nil {
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return fmt.Errorf("Unable to initialize the quick config. %v", err)
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}
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configFile, err := getConfigFile()
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if err != nil {
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return fmt.Errorf("Unable to get config file. %v", err)
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}
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err = qc.Save(configFile)
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if err != nil {
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return fmt.Errorf("Failed to migrate config from ‘"+cv5.Version+"’ to ‘"+srvConfig.Version+"’ failed. %v", err)
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}
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console.Println("Migration from version ‘" + cv5.Version + "’ to ‘" + srvConfig.Version + "’ completed successfully.")
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return nil
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}
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// Version '6' to '7' migrates config, removes previous fields related
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// to backend types and server address. This change further simplifies
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// the config for future additions.
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func migrateV6ToV7() error {
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cv6, err := loadConfigV6()
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return fmt.Errorf("Unable to load config version ‘6’. %v", err)
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}
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if cv6.Version != "6" {
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return nil
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}
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// Save only the new fields, ignore the rest.
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srvConfig := &serverConfigV7{}
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srvConfig.Version = globalMinioConfigVersion
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srvConfig.Credential = cv6.Credential
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srvConfig.Region = cv6.Region
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if srvConfig.Region == "" {
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// Region needs to be set for AWS Signature Version 4.
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srvConfig.Region = "us-east-1"
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}
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srvConfig.Logger.Console = cv6.Logger.Console
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srvConfig.Logger.File = cv6.Logger.File
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srvConfig.Logger.Syslog = cv6.Logger.Syslog
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srvConfig.Notify.AMQP = make(map[string]amqpNotify)
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srvConfig.Notify.ElasticSearch = make(map[string]elasticSearchNotify)
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srvConfig.Notify.Redis = make(map[string]redisNotify)
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if len(cv6.Notify.AMQP) == 0 {
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srvConfig.Notify.AMQP["1"] = amqpNotify{}
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} else {
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srvConfig.Notify.AMQP = cv6.Notify.AMQP
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}
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if len(cv6.Notify.ElasticSearch) == 0 {
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srvConfig.Notify.ElasticSearch["1"] = elasticSearchNotify{}
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} else {
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srvConfig.Notify.ElasticSearch = cv6.Notify.ElasticSearch
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}
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if len(cv6.Notify.Redis) == 0 {
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srvConfig.Notify.Redis["1"] = redisNotify{}
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} else {
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srvConfig.Notify.Redis = cv6.Notify.Redis
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}
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qc, err := quick.New(srvConfig)
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if err != nil {
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return fmt.Errorf("Unable to initialize the quick config. %v", err)
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}
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configFile, err := getConfigFile()
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if err != nil {
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return fmt.Errorf("Unable to get config file. %v", err)
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}
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err = qc.Save(configFile)
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if err != nil {
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return fmt.Errorf("Failed to migrate config from ‘"+cv6.Version+"’ to ‘"+srvConfig.Version+"’ failed. %v", err)
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}
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console.Println("Migration from version ‘" + cv6.Version + "’ to ‘" + srvConfig.Version + "’ completed successfully.")
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return nil
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}
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