mirror of
https://github.com/minio/minio.git
synced 2025-10-29 15:55:00 -04:00
configMigrate() returns errors + tests (#2735)
This commit is contained in:
Anis Elleuch
Harshavardhana
parent
018c90dae7
commit
e66fb4bd7b
@ -17,7 +17,7 @@
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package cmd
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import (
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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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@ -25,51 +25,72 @@ import (
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"github.com/minio/minio/pkg/quick"
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)
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func migrateConfig() {
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func migrateConfig() error {
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// Purge all configs with version '1'.
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purgeV1()
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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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migrateV2ToV3()
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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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migrateV3ToV4()
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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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migrateV4ToV5()
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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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migrateV5ToV6()
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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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migrateV6ToV7()
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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() {
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func purgeV1() error {
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cv1, err := loadConfigV1()
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if err != nil && os.IsNotExist(err) {
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return
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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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fatalIf(err, "Unable to load config version ‘1’.")
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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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fatalIf(err, "Unable to retrieve config path.")
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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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fatalIf(errors.New(""), "Failed to migrate unrecognized config version ‘"+cv1.Version+"’.")
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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() {
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func migrateV2ToV3() error {
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cv2, err := loadConfigV2()
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if err != nil && os.IsNotExist(err) {
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return
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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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fatalIf(err, "Unable to load config version ‘2’.")
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if cv2.Version != "2" {
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return
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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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@ -104,29 +125,38 @@ func migrateV2ToV3() {
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srvConfig.Logger.Syslog = slogger
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qc, err := quick.New(srvConfig)
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fatalIf(err, "Unable to initialize config.")
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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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fatalIf(err, "Unable to get config file.")
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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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fatalIf(err, "Failed to migrate config from ‘"+cv2.Version+"’ to ‘"+srvConfig.Version+"’ failed.")
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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() {
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func migrateV3ToV4() error {
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cv3, err := loadConfigV3()
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if err != nil && os.IsNotExist(err) {
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return
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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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fatalIf(err, "Unable to load config version ‘3’.")
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if cv3.Version != "3" {
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return
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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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@ -143,27 +173,36 @@ func migrateV3ToV4() {
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srvConfig.Logger.Syslog = cv3.Logger.Syslog
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qc, err := quick.New(srvConfig)
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fatalIf(err, "Unable to initialize the quick config.")
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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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fatalIf(err, "Unable to get config file.")
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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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fatalIf(err, "Failed to migrate config from ‘"+cv3.Version+"’ to ‘"+srvConfig.Version+"’ failed.")
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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() {
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func migrateV4ToV5() error {
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cv4, err := loadConfigV4()
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if err != nil && os.IsNotExist(err) {
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return
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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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fatalIf(err, "Unable to load config version ‘4’.")
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if cv4.Version != "4" {
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return
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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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@ -183,27 +222,36 @@ func migrateV4ToV5() {
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srvConfig.Logger.Redis.Enable = false
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qc, err := quick.New(srvConfig)
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fatalIf(err, "Unable to initialize the quick config.")
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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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fatalIf(err, "Unable to get config file.")
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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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fatalIf(err, "Failed to migrate config from ‘"+cv4.Version+"’ to ‘"+srvConfig.Version+"’ failed.")
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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() {
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func migrateV5ToV6() error {
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cv5, err := loadConfigV5()
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if err != nil && os.IsNotExist(err) {
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return
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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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fatalIf(err, "Unable to load config version ‘5’.")
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if cv5.Version != "5" {
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return
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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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@ -250,27 +298,36 @@ func migrateV5ToV6() {
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}
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qc, err := quick.New(srvConfig)
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fatalIf(err, "Unable to initialize the quick config.")
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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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fatalIf(err, "Unable to get config file.")
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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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fatalIf(err, "Failed to migrate config from ‘"+cv5.Version+"’ to ‘"+srvConfig.Version+"’ failed.")
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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() {
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func migrateV6ToV7() error {
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cv6, err := loadConfigV6()
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if err != nil && os.IsNotExist(err) {
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return
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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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fatalIf(err, "Unable to load config version ‘6’.")
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if cv6.Version != "6" {
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return
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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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@ -305,12 +362,19 @@ func migrateV6ToV7() {
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}
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qc, err := quick.New(srvConfig)
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fatalIf(err, "Unable to initialize the quick config.")
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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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fatalIf(err, "Unable to get config file.")
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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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fatalIf(err, "Failed to migrate config from ‘"+cv6.Version+"’ to ‘"+srvConfig.Version+"’ failed.")
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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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188
cmd/config-migrate_test.go
Normal file
188
cmd/config-migrate_test.go
Normal file
@ -0,0 +1,188 @@
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/*
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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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"io/ioutil"
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"os"
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"strconv"
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"testing"
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)
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const lastConfigVersion = 7
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// TestServerConfigMigrateV1 - tests if a config v1 is purged
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func TestServerConfigMigrateV1(t *testing.T) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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t.Fatalf("Init Test config failed")
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}
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// remove the root folder after the test ends.
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defer removeAll(rootPath)
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setGlobalConfigPath(rootPath)
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// Create a V1 config json file and store it
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configJSON := "{ \"version\":\"1\", \"accessKeyId\":\"abcde\", \"secretAccessKey\":\"abcdefgh\"}"
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configPath := rootPath + "/fsUsers.json"
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if err := ioutil.WriteFile(configPath, []byte(configJSON), 0644); err != nil {
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t.Fatal("Unexpected error: ", err)
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}
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// Fire a migrateConfig()
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if err := migrateConfig(); err != nil {
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t.Fatal("Unexpected error: ", err)
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}
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// Check if config v1 is removed from filesystem
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if _, err := os.Stat(configPath); err == nil || !os.IsNotExist(err) {
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t.Fatal("Config V1 file is not purged")
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}
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// Initialize server config and check again if everything is fine
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if err := initConfig(); err != nil {
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t.Fatalf("Unable to initialize from updated config file %s", err)
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}
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}
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// TestServerConfigMigrateV1 - tests if all migrate code return nil when config file is not existent
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func TestServerConfigMigrateInexistentConfig(t *testing.T) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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t.Fatalf("Init Test config failed")
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}
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// remove the root folder after the test ends.
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defer removeAll(rootPath)
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setGlobalConfigPath(rootPath)
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configPath := rootPath + "/" + globalMinioConfigFile
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// Remove config file
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if err := os.Remove(configPath); err != nil {
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t.Fatal("Unexpected error: ", err)
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}
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if err := migrateV2ToV3(); err != nil {
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t.Fatal("migrate v2 to v3 should succeed when no config file is found")
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}
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if err := migrateV3ToV4(); err != nil {
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t.Fatal("migrate v3 to v4 should succeed when no config file is found")
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}
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if err := migrateV4ToV5(); err != nil {
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t.Fatal("migrate v4 to v5 should succeed when no config file is found")
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}
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if err := migrateV5ToV6(); err != nil {
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t.Fatal("migrate v5 to v6 should succeed when no config file is found")
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}
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if err := migrateV6ToV7(); err != nil {
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t.Fatal("migrate v6 to v7 should succeed when no config file is found")
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}
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}
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// TestServerConfigMigrateV2toV7 - tests if a config from v2 to v7 is successfully done
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func TestServerConfigMigrateV2toV7(t *testing.T) {
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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t.Fatalf("Init Test config failed")
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}
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// remove the root folder after the test ends.
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defer removeAll(rootPath)
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setGlobalConfigPath(rootPath)
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configPath := rootPath + "/" + globalMinioConfigFile
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// Create a corrupted config file
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if err := ioutil.WriteFile(configPath, []byte("{ \"version\":\"2\","), 0644); err != nil {
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t.Fatal("Unexpected error: ", err)
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}
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// Fire a migrateConfig()
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if err := migrateConfig(); err == nil {
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t.Fatal("migration should fail with corrupted config file")
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}
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accessKey := "accessfoo"
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secretKey := "secretfoo"
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// Create a V2 config json file and store it
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configJSON := "{ \"version\":\"2\", \"credentials\": {\"accessKeyId\":\"" + accessKey + "\", \"secretAccessKey\":\"" + secretKey + "\", \"region\":\"us-east-1\"}, \"mongoLogger\":{\"addr\":\"127.0.0.1:3543\", \"db\":\"foodb\", \"collection\":\"foo\"}, \"syslogLogger\":{\"network\":\"127.0.0.1:543\", \"addr\":\"addr\"}, \"fileLogger\":{\"filename\":\"log.out\"}}"
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if err := ioutil.WriteFile(configPath, []byte(configJSON), 0644); err != nil {
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t.Fatal("Unexpected error: ", err)
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}
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// Fire a migrateConfig()
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if err := migrateConfig(); err != nil {
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t.Fatal("Unexpected error: ", err)
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}
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// Initialize server config and check again if everything is fine
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if err := initConfig(); err != nil {
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t.Fatalf("Unable to initialize from updated config file %s", err)
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}
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// Check the version number in the upgraded config file
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expectedVersion := strconv.Itoa(lastConfigVersion)
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if serverConfig.Version != expectedVersion {
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t.Fatalf("Expect version "+expectedVersion+", found: %v", serverConfig.Version)
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}
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// Check if accessKey and secretKey are not altered during migration
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if serverConfig.Credential.AccessKeyID != accessKey {
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t.Fatalf("Access key lost during migration, expected: %v, found:%v", accessKey, serverConfig.Credential.AccessKeyID)
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}
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if serverConfig.Credential.SecretAccessKey != secretKey {
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t.Fatalf("Secret key lost during migration, expected: %v, found: %v", secretKey, serverConfig.Credential.SecretAccessKey)
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}
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// Initialize server config and check again if everything is fine
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if err := initConfig(); err != nil {
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t.Fatalf("Unable to initialize from updated config file %s", err)
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}
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}
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// TestServerConfigMigrateFaultyConfig - checks if all migrate code return errors with corrupted config files
|
||||
func TestServerConfigMigrateFaultyConfig(t *testing.T) {
|
||||
rootPath, err := newTestConfig("us-east-1")
|
||||
if err != nil {
|
||||
t.Fatalf("Init Test config failed")
|
||||
}
|
||||
// remove the root folder after the test ends.
|
||||
defer removeAll(rootPath)
|
||||
|
||||
setGlobalConfigPath(rootPath)
|
||||
configPath := rootPath + "/" + globalMinioConfigFile
|
||||
|
||||
// Create a corrupted config file
|
||||
if err := ioutil.WriteFile(configPath, []byte("{ \"version\":\""), 0644); err != nil {
|
||||
t.Fatal("Unexpected error: ", err)
|
||||
}
|
||||
|
||||
// Test different migrate versions and be sure they are returning an error
|
||||
if err := migrateV2ToV3(); err == nil {
|
||||
t.Fatal("migrateConfigV2ToV3() should fail with a corrupted json")
|
||||
}
|
||||
if err := migrateV3ToV4(); err == nil {
|
||||
t.Fatal("migrateConfigV3ToV4() should fail with a corrupted json")
|
||||
}
|
||||
if err := migrateV4ToV5(); err == nil {
|
||||
t.Fatal("migrateConfigV4ToV5() should fail with a corrupted json")
|
||||
}
|
||||
if err := migrateV5ToV6(); err == nil {
|
||||
t.Fatal("migrateConfigV5ToV6() should fail with a corrupted json")
|
||||
}
|
||||
if err := migrateV6ToV7(); err == nil {
|
||||
t.Fatal("migrateConfigV6ToV7() should fail with a corrupted json")
|
||||
}
|
||||
|
||||
}
|
||||
@ -54,7 +54,9 @@ func getConfigPath() (string, error) {
|
||||
// mustGetConfigPath must get server config path.
|
||||
func mustGetConfigPath() string {
|
||||
configPath, err := getConfigPath()
|
||||
fatalIf(err, "Unable to get config path.")
|
||||
if err != nil {
|
||||
return ""
|
||||
}
|
||||
return configPath
|
||||
}
|
||||
|
||||
@ -69,7 +71,11 @@ func createConfigPath() error {
|
||||
|
||||
// isConfigFileExists - returns true if config file exists.
|
||||
func isConfigFileExists() bool {
|
||||
st, err := os.Stat(mustGetConfigFile())
|
||||
path, err := getConfigFile()
|
||||
if err != nil {
|
||||
return false
|
||||
}
|
||||
st, err := os.Stat(path)
|
||||
// If file exists and is regular return true.
|
||||
if err == nil && st.Mode().IsRegular() {
|
||||
return true
|
||||
@ -80,8 +86,9 @@ func isConfigFileExists() bool {
|
||||
// mustGetConfigFile must get server config file.
|
||||
func mustGetConfigFile() string {
|
||||
configFile, err := getConfigFile()
|
||||
fatalIf(err, "Unable to get config file.")
|
||||
|
||||
if err != nil {
|
||||
return ""
|
||||
}
|
||||
return configFile
|
||||
}
|
||||
|
||||
|
||||
11
cmd/main.go
11
cmd/main.go
@ -17,6 +17,7 @@
|
||||
package cmd
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"os"
|
||||
"sort"
|
||||
@ -79,7 +80,8 @@ func init() {
|
||||
|
||||
func migrate() {
|
||||
// Migrate config file
|
||||
migrateConfig()
|
||||
err := migrateConfig()
|
||||
fatalIf(err, "Config migration failed.")
|
||||
|
||||
// Migrate other configs here.
|
||||
}
|
||||
@ -157,8 +159,13 @@ func checkMainSyntax(c *cli.Context) {
|
||||
func Main() {
|
||||
app := registerApp()
|
||||
app.Before = func(c *cli.Context) error {
|
||||
|
||||
configDir := c.GlobalString("config-dir")
|
||||
if configDir == "" {
|
||||
fatalIf(errors.New("Config directory is empty"), "Unable to get config file.")
|
||||
}
|
||||
// Sets new config folder.
|
||||
setGlobalConfigPath(c.GlobalString("config-dir"))
|
||||
setGlobalConfigPath(configDir)
|
||||
|
||||
// Valid input arguments to main.
|
||||
checkMainSyntax(c)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user