mirror of
https://github.com/minio/mc.git
synced 2025-11-12 01:02:26 +03:00
105 lines
4.0 KiB
Go
105 lines
4.0 KiB
Go
/*
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* Minio Client (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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"os"
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"strconv"
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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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// Migrates session header version '6' to '7'. Only change is
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// LastRemoved field which was added in version '7'.
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func migrateSessionV6ToV7() {
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for _, sid := range getSessionIDs() {
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sV6Header, err := loadSessionV6Header(sid)
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if err != nil && !os.IsNotExist(err.ToGoError()) {
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fatalIf(err.Trace(sid), "Unable to load version ‘6’. Migration failed please report this issue at https://github.com/minio/mc/issues.")
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}
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if sV6Header.Version == "7" { // It is new format.
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continue
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}
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sessionFile, err := getSessionFile(sid)
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fatalIf(err.Trace(sid), "Unable to get session file.")
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// Initialize v7 header and migrate to new config.
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sV7Header := &sessionV7Header{}
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sV7Header.Version = "7"
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sV7Header.When = sV6Header.When
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sV7Header.RootPath = sV6Header.RootPath
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sV7Header.GlobalBoolFlags = sV6Header.GlobalBoolFlags
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sV7Header.GlobalIntFlags = sV6Header.GlobalIntFlags
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sV7Header.GlobalStringFlags = sV6Header.GlobalStringFlags
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sV7Header.CommandType = sV6Header.CommandType
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sV7Header.CommandArgs = sV6Header.CommandArgs
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sV7Header.CommandBoolFlags = sV6Header.CommandBoolFlags
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sV7Header.CommandIntFlags = sV6Header.CommandIntFlags
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sV7Header.CommandStringFlags = sV6Header.CommandStringFlags
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sV7Header.LastCopied = sV6Header.LastCopied
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sV7Header.LastRemoved = ""
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sV7Header.TotalBytes = sV6Header.TotalBytes
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sV7Header.TotalObjects = sV6Header.TotalObjects
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qs, err := quick.New(sV7Header)
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fatalIf(err.Trace(sid), "Unable to initialize quick config for session '7' header.")
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err = qs.Save(sessionFile)
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fatalIf(err.Trace(sid, sessionFile), "Unable to migrate session from '6' to '7'.")
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console.Println("Successfully migrated ‘" + sessionFile + "’ from version ‘" + sV6Header.Version + "’ to " + "‘" + sV7Header.Version + "’.")
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}
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}
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// Migrate session version '5' to version '6', all older sessions are
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// in-fact removed and not migrated. All session files from '6' and
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// above should be migrated - See: migrateSessionV6ToV7().
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func migrateSessionV5ToV6() {
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for _, sid := range getSessionIDs() {
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sV6Header, err := loadSessionV6Header(sid)
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if err != nil && !os.IsNotExist(err.ToGoError()) {
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fatalIf(err.Trace(sid), "Unable to load version ‘6’. Migration failed please report this issue at https://github.com/minio/mc/issues.")
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}
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sessionVersion, e := strconv.Atoi(sV6Header.Version)
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fatalIf(probe.NewError(e), "Unable to load version ‘6’. Migration failed please report this issue at https://github.com/minio/mc/issues.")
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if sessionVersion > 5 { // It is new format.
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continue
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}
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/*** Remove all session files older than v6 ***/
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sessionFile, err := getSessionFile(sid)
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fatalIf(err.Trace(sid), "Unable to get session file.")
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sessionDataFile, err := getSessionDataFile(sid)
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fatalIf(err.Trace(sid), "Unable to get session data file.")
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console.Println("Removing unsupported session file ‘" + sessionFile + "’ version ‘" + sV6Header.Version + "’.")
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if e := os.Remove(sessionFile); e != nil {
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fatalIf(probe.NewError(e), "Unable to remove version ‘"+sV6Header.Version+"’ session file ‘"+sessionFile+"’.")
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}
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if e := os.Remove(sessionDataFile); e != nil {
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fatalIf(probe.NewError(e), "Unable to remove version ‘"+sV6Header.Version+"’ session data file ‘"+sessionDataFile+"’.")
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}
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}
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}
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