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xl/fs: Split object layer into interface. (#1415)

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This commit is contained in:
Harshavardhana
2016-04-29 14:24:10 -07:00
committed by Anand Babu (AB) Periasamy
parent 4d1b3d5e9a
commit 4e34e03dd4
61 changed files with 1815 additions and 1037 deletions
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41
config-migrate.go
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@@ -22,7 +22,6 @@ import (
"path/filepath"
"github.com/minio/mc/pkg/console"
"github.com/minio/minio/pkg/probe"
"github.com/minio/minio/pkg/quick"
)
@@ -38,35 +37,31 @@ func migrateConfig() {
// Version '1' is not supported anymore and deprecated, safe to delete.
func purgeV1() {
cv1, err := loadConfigV1()
if err != nil {
if os.IsNotExist(err.ToGoError()) {
return
}
if err != nil && os.IsNotExist(err) {
return
}
fatalIf(err.Trace(), "Unable to load config version ‘1’.", nil)
fatalIf(err, "Unable to load config version ‘1’.", nil)
if cv1.Version == "1" {
console.Println("Unsupported config version ‘1’ found, removed successfully.")
/// Purge old fsUsers.json file
configPath, err := getConfigPath()
fatalIf(err.Trace(), "Unable to retrieve config path.", nil)
fatalIf(err, "Unable to retrieve config path.", nil)
configFile := filepath.Join(configPath, "fsUsers.json")
os.RemoveAll(configFile)
}
fatalIf(probe.NewError(errors.New("")), "Unexpected version found ‘"+cv1.Version+"’, cannot migrate.", nil)
fatalIf(errors.New(""), "Unexpected version found ‘"+cv1.Version+"’, cannot migrate.", nil)
}
// Version '2' to '3' config migration adds new fields and re-orders
// previous fields. Simplifies config for future additions.
func migrateV2ToV3() {
cv2, err := loadConfigV2()
if err != nil {
if os.IsNotExist(err.ToGoError()) {
return
}
if err != nil && os.IsNotExist(err) {
return
}
fatalIf(err.Trace(), "Unable to load config version ‘2’.", nil)
fatalIf(err, "Unable to load config version ‘2’.", nil)
if cv2.Version != "2" {
return
}
@@ -99,14 +94,14 @@ func migrateV2ToV3() {
srvConfig.Logger.Syslog = slogger
qc, err := quick.New(srvConfig)
fatalIf(err.Trace(), "Unable to initialize config.", nil)
fatalIf(err, "Unable to initialize config.", nil)
configFile, err := getConfigFile()
fatalIf(err.Trace(), "Unable to get config file.", nil)
fatalIf(err, "Unable to get config file.", nil)
// Migrate the config.
err = qc.Save(configFile)
fatalIf(err.Trace(), "Migrating from version ‘"+cv2.Version+"’ to ‘"+srvConfig.Version+"’ failed.", nil)
fatalIf(err, "Migrating from version ‘"+cv2.Version+"’ to ‘"+srvConfig.Version+"’ failed.", nil)
console.Println("Migration from version ‘" + cv2.Version + "’ to ‘" + srvConfig.Version + "’ completed successfully.")
}
@@ -116,12 +111,10 @@ func migrateV2ToV3() {
// the config for future additions.
func migrateV3ToV4() {
cv3, err := loadConfigV3()
if err != nil {
if os.IsNotExist(err.ToGoError()) {
return
}
if err != nil && os.IsNotExist(err) {
return
}
fatalIf(err.Trace(), "Unable to load config version ‘3’.", nil)
fatalIf(err, "Unable to load config version ‘3’.", nil)
if cv3.Version != "3" {
return
}
@@ -136,12 +129,12 @@ func migrateV3ToV4() {
srvConfig.Logger.Syslog = cv3.Logger.Syslog
qc, err := quick.New(srvConfig)
fatalIf(err.Trace(), "Unable to initialize the quick config.", nil)
fatalIf(err, "Unable to initialize the quick config.", nil)
configFile, err := getConfigFile()
fatalIf(err.Trace(), "Unable to get config file.", nil)
fatalIf(err, "Unable to get config file.", nil)
err = qc.Save(configFile)
fatalIf(err.Trace(), "Migrating from version ‘"+cv3.Version+"’ to ‘"+srvConfig.Version+"’ failed.", nil)
fatalIf(err, "Migrating from version ‘"+cv3.Version+"’ to ‘"+srvConfig.Version+"’ failed.", nil)
console.Println("Migration from version ‘" + cv3.Version + "’ to ‘" + srvConfig.Version + "’ completed successfully.")
}