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Add object compression support (#6292)

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Add support for streaming (golang/LZ77/snappy) compression.
This commit is contained in:
Praveen raj Mani
2018-09-28 09:06:17 +05:30
committed by Nitish Tiwari
parent 5c765bc63e
commit ce9d36d954
57 changed files with 1321 additions and 173 deletions
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37
cmd/config-migrate.go
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@@ -2387,6 +2387,7 @@ func migrateV27ToV28() error {
// config V28 is backward compatible with V27, load the old
// config file in serverConfigV28 struct and initialize KMSConfig
srvConfig := &serverConfigV28{}
_, err := quick.LoadConfig(configFile, globalEtcdClient, srvConfig)
if os.IsNotExist(err) {
@@ -2409,12 +2410,40 @@ func migrateV27ToV28() error {
return nil
}
// Migrates '.minio.sys/config.json' v27 to v28.
// Migrates '.minio.sys/config.json' to v30.
func migrateMinioSysConfig(objAPI ObjectLayer) error {
if err := migrateV27ToV28MinioSys(objAPI); err != nil {
return err
}
return migrateV28ToV29MinioSys(objAPI)
if err := migrateV28ToV29MinioSys(objAPI); err != nil {
return err
}
return migrateV29ToV30MinioSys(objAPI)
}
func migrateV29ToV30MinioSys(objAPI ObjectLayer) error {
configFile := path.Join(minioConfigPrefix, minioConfigFile)
srvConfig, err := readServerConfig(context.Background(), objAPI)
if err == errConfigNotFound {
return nil
} else if err != nil {
return fmt.Errorf("Unable to load config file. %v", err)
}
if srvConfig.Version != "29" {
return nil
}
srvConfig.Version = "30"
// Init compression config.For future migration, Compression config needs to be copied over from previous version.
srvConfig.Compression.Enabled = false
srvConfig.Compression.Extensions = globalCompressExtensions
srvConfig.Compression.MimeTypes = globalCompressMimeTypes
if err = saveServerConfig(context.Background(), objAPI, srvConfig); err != nil {
return fmt.Errorf("Failed to migrate config from 29 to 30 . %v", err)
}
logger.Info(configMigrateMSGTemplate, configFile, "29", "30")
return nil
}
func migrateV28ToV29MinioSys(objAPI ObjectLayer) error {
@@ -2431,7 +2460,7 @@ func migrateV28ToV29MinioSys(objAPI ObjectLayer) error {
srvConfig.Version = "29"
if err = saveServerConfig(context.Background(), objAPI, srvConfig); err != nil {
return fmt.Errorf("Failed to migrate config from ‘28’ to ‘29’. %v", err)
return fmt.Errorf("Failed to migrate config from ‘28’ to ‘29’. %v", err)
}
logger.Info(configMigrateMSGTemplate, configFile, "28", "29")
@@ -2453,7 +2482,7 @@ func migrateV27ToV28MinioSys(objAPI ObjectLayer) error {
srvConfig.Version = "28"
srvConfig.KMS = crypto.KMSConfig{}
if err = saveServerConfig(context.Background(), objAPI, srvConfig); err != nil {
return fmt.Errorf("Failed to migrate config from ‘27’ to ‘28’. %v", err)
return fmt.Errorf("Failed to migrate config from ‘27’ to ‘28’. %v", err)
}
logger.Info(configMigrateMSGTemplate, configFile, "27", "28")