func migrateConfigV1ToV101() {
if !isMcConfigExists() {
return
}
conf := newConfigV1()
config, err := quick.New(conf)
if err != nil {
console.Fatalln(NewIodine(iodine.New(err, nil)))
}
config.Load(mustGetMcConfigPath())
conf = config.Data().(*configV1)
// version is the same return
if conf.Version == mcCurrentConfigVersion {
return
}
conf.Version = mcCurrentConfigVersion
localHostConfig := new(hostConfig)
localHostConfig.AccessKeyID = ""
localHostConfig.SecretAccessKey = ""
if _, ok := conf.Hosts["localhost:*"]; !ok {
conf.Hosts["localhost:*"] = localHostConfig
}
if _, ok := conf.Hosts["127.0.0.1:*"]; !ok {
conf.Hosts["127.0.0.1:*"] = localHostConfig
}
newConfig, err := quick.New(conf)
if err := newConfig.Save(mustGetMcConfigPath()); err != nil {
console.Fatalln(NewIodine(iodine.New(err, nil)))
}
console.Infof("Successfully migrated %s from version: %s to version: %s\n", mustGetMcConfigPath(), mcPreviousConfigVersion, mcCurrentConfigVersion)
}
// fatalIf wrapper function which takes error and selectively prints stack frames if available on debug
func fatalIf(err *probe.Error, msg string) {
if err == nil {
return
}
if globalJSON {
errorMsg := errorMessage{
Message: msg,
Type: "fatal",
Cause: causeMessage{
Message: err.ToGoError().Error(),
Error: err.ToGoError(),
},
SysInfo: err.SysInfo,
}
if globalDebug {
errorMsg.CallTrace = err.CallTrace
}
json, err := json.Marshal(struct {
Status string `json:"status"`
Error errorMessage `json:"error"`
}{
Status: "error",
Error: errorMsg,
})
if err != nil {
console.Fatalln(probe.NewError(err))
}
console.Println(string(json))
console.Fatalln()
}
if !globalDebug {
console.Fatalln(fmt.Sprintf("%s %s", msg, err.ToGoError()))
}
console.Fatalln(fmt.Sprintf("%s %s", msg, err))
}
// fatalIf wrapper function which takes error and selectively prints stack frames if available on debug
func fatalIf(err *probe.Error, msg string) {
if err == nil {
return
}
if globalJSONFlag {
errorMessage := ErrorMessage{
Message: msg,
Type: "fatal",
Cause: err.ToGoError(),
SysInfo: err.SysInfo,
}
if globalDebugFlag {
errorMessage.CallTrace = err.CallTrace
}
json, err := json.Marshal(struct {
Error ErrorMessage `json:"error"`
}{
Error: errorMessage,
})
if err != nil {
console.Fatalln(probe.NewError(err))
}
console.Println(string(json))
os.Exit(1)
}
if !globalDebugFlag {
console.Fatalln(fmt.Sprintf("%s %s", msg, err.ToGoError()))
}
console.Fatalln(fmt.Sprintf("%s %s", msg, err))
}
// check if minimum Go version is met.
func checkGoVersion() {
runtimeVersion := runtime.Version()
// Checking version is always successful with go tip
if strings.HasPrefix(runtimeVersion, "devel") {
return
}
// Parsing golang version
curVersion, e := version.NewVersion(runtimeVersion[2:])
if e != nil {
console.Fatalln("Unable to determine current go version.", e)
}
// Prepare version constraint.
constraints, e := version.NewConstraint(minGoVersion)
if e != nil {
console.Fatalln("Unable to check go version.")
}
// Check for minimum version.
if !constraints.Check(curVersion) {
console.Fatalln(fmt.Sprintf("Please recompile Minio with Golang version %s.", minGoVersion))
}
}
// runMakeBucketCmd is the handler for mc mb command
func runMakeBucketCmd(ctx *cli.Context) {
if !ctx.Args().Present() || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "mb", 1) // last argument is exit code
}
if !isMcConfigExists() {
console.Fatalf("Please run \"mc config generate\". %s\n", errNotConfigured{})
}
config := mustGetMcConfig()
for _, arg := range ctx.Args() {
targetURL, err := getExpandedURL(arg, config.Aliases)
if err != nil {
switch e := iodine.ToError(err).(type) {
case errUnsupportedScheme:
console.Fatalf("Unknown type of URL %s. %s\n", e.url, err)
default:
console.Fatalf("Unable to parse argument %s. %s\n", arg, err)
}
}
msg, err := doMakeBucketCmd(targetURL)
if err != nil {
console.Fatalln(msg)
}
console.Infoln(msg)
}
}
func registerApp() *cli.App {
// Register all commands.
registerCommand(serverCmd)
registerCommand(versionCmd)
registerCommand(updateCmd)
registerCommand(controlCmd)
// Set up app.
app := cli.NewApp()
app.Name = "Minio"
app.Author = "Minio.io"
app.Usage = "Cloud Storage Server."
app.Description = `Minio is an Amazon S3 compatible object storage server. Use it to store photos, videos, VMs, containers, log files, or any blob of data as objects.`
app.Flags = globalFlags
app.Commands = commands
app.CustomAppHelpTemplate = minioHelpTemplate
app.CommandNotFound = func(ctx *cli.Context, command string) {
msg := fmt.Sprintf("‘%s’ is not a minio sub-command. See ‘minio --help’.", command)
closestCommands := findClosestCommands(command)
if len(closestCommands) > 0 {
msg += fmt.Sprintf("\n\nDid you mean one of these?\n")
for _, cmd := range closestCommands {
msg += fmt.Sprintf(" ‘%s’\n", cmd)
}
}
console.Fatalln(msg)
}
return app
}
func runCatCmd(ctx *cli.Context) {
if !ctx.Args().Present() || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "cat", 1) // last argument is exit code
}
if !isMcConfigExists() {
console.Fatalf("Please run \"mc config generate\". %s\n", errNotConfigured{})
}
config := mustGetMcConfig()
// Convert arguments to URLs: expand alias, fix format...
for _, arg := range ctx.Args() {
sourceURL, err := getExpandedURL(arg, config.Aliases)
if err != nil {
switch e := iodine.ToError(err).(type) {
case errUnsupportedScheme:
console.Fatalf("Unknown type of URL %s. %s\n", e.url, err)
default:
console.Fatalf("Unable to parse argument %s. %s\n", arg, err)
}
}
errorMsg, err := doCatCmd(sourceURL)
if err != nil {
console.Fatalln(errorMsg)
}
}
}
func runAccessCmd(ctx *cli.Context) {
if !ctx.Args().Present() || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "access", 1) // last argument is exit code
}
config := mustGetMcConfig()
acl := bucketACL(ctx.Args().First())
if !acl.isValidBucketACL() {
console.Fatalf("Valid types are [private, public, readonly]. %s\n", errInvalidACL{acl: acl.String()})
}
for _, arg := range ctx.Args().Tail() {
targetURL, err := getExpandedURL(arg, config.Aliases)
if err != nil {
switch e := iodine.ToError(err).(type) {
case errUnsupportedScheme:
console.Fatalf("Unknown type of URL %s. %s\n", e.url, err)
default:
console.Fatalf("Unable to parse argument %s. %s\n", arg, err)
}
}
msg, err := doUpdateAccessCmd(targetURL, acl)
if err != nil {
console.Fatalln(msg)
}
console.Infoln(msg)
}
}
// checkCastSyntax(URLs []string)
func checkCastSyntax(ctx *cli.Context) {
if len(ctx.Args()) < 2 || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "cast", 1) // last argument is exit code.
}
// extract URLs.
URLs, err := args2URLs(ctx.Args())
if err != nil {
console.Fatalf("One or more unknown URL types found %s. %s\n", ctx.Args(), NewIodine(iodine.New(err, nil)))
}
srcURL := URLs[0]
tgtURLs := URLs[1:]
/****** Generic rules *******/
// Source cannot be a folder (except when recursive)
if !isURLRecursive(srcURL) {
_, srcContent, err := url2Stat(srcURL)
// Source exist?.
if err != nil {
console.Fatalf("Unable to stat source ‘%s’. %s\n", srcURL, NewIodine(iodine.New(err, nil)))
}
if !srcContent.Type.IsRegular() {
if srcContent.Type.IsDir() {
console.Fatalf("Source ‘%s’ is a folder. Please use ‘%s...’ to recursively copy this folder and its contents.\n", srcURL, srcURL)
}
console.Fatalf("Source ‘%s’ is not a regular file.\n", srcURL)
}
}
// Recursive URLs are not allowed in target.
for _, tgtURL := range tgtURLs {
if isURLRecursive(tgtURL) {
console.Fatalf("Target ‘%s’ cannot be recursive. %s\n", tgtURL, NewIodine(iodine.New(errInvalidArgument{}, nil)))
}
}
for _, tgtURL := range tgtURLs {
url, err := client.Parse(tgtURL)
if err != nil {
console.Fatalf("Unable to parse target ‘%s’ argument. %s\n", tgtURL, NewIodine(iodine.New(err, nil)))
}
if url.Host != "" {
if url.Path == string(url.Separator) {
console.Fatalf("Bucket creation detected for %s, cloud storage URL's should use ‘mc mb’ to create buckets\n", tgtURL)
}
}
}
switch guessCastURLType(srcURL, tgtURLs) {
case castURLsTypeA: // File -> File.
checkCastSyntaxTypeA(srcURL, tgtURLs)
case castURLsTypeB: // File -> Folder.
checkCastSyntaxTypeB(srcURL, tgtURLs)
case castURLsTypeC: // Folder -> Folder.
checkCastSyntaxTypeC(srcURL, tgtURLs)
default:
console.Fatalln("Invalid arguments. Unable to determine how to cast. Please report this issue at https://github.com/minio/mc/issues")
}
}
// check if minimum Go version is met.
func checkGoVersion() {
// Current version.
curVersion, e := version.NewVersion(runtime.Version()[2:])
if e != nil {
console.Fatalln("Unable to determine current go version.", e)
}
// Prepare version constraint.
constraints, e := version.NewConstraint(minGoVersion)
if e != nil {
console.Fatalln("Unable to check go version.")
}
// Check for minimum version.
if !constraints.Check(curVersion) {
console.Fatalln(fmt.Sprintf("Please recompile Minio with Golang version %s.", minGoVersion))
}
}
// Verify main command syntax.
func checkMainSyntax(c *cli.Context) {
configPath, err := getConfigPath()
if err != nil {
console.Fatalf("Unable to obtain user's home directory. \nError: %s\n", err)
}
if configPath == "" {
console.Fatalln("Config folder cannot be empty, please specify --config-dir <foldername>.")
}
}
// checkCastSyntax(URLs []string)
func checkCastSyntax(ctx *cli.Context) {
if len(ctx.Args()) < 2 || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "cast", 1) // last argument is exit code.
}
// extract URLs.
URLs, err := args2URLs(ctx.Args())
if err != nil {
console.Fatalf("One or more unknown URL types found %s. %s\n", ctx.Args(), iodine.New(err, nil))
}
srcURL := URLs[0]
tgtURLs := URLs[1:]
/****** Generic rules *******/
// Source cannot be a directory (except when recursive)
if !isURLRecursive(srcURL) {
_, srcContent, err := url2Stat(srcURL)
// Source exist?.
if err != nil {
console.Fatalf("Unable to stat source ‘%s’. %s\n", srcURL, iodine.New(err, nil))
}
if !srcContent.Type.IsRegular() {
if srcContent.Type.IsDir() {
console.Fatalf("Source ‘%s’ is a directory. Please use ‘%s...’ to recursively copy this directory and its contents.\n", srcURL, srcURL)
}
console.Fatalf("Source ‘%s’ is not a regular file.\n", srcURL)
}
}
// Recursive URLs are not allowed in target.
for _, tgtURL := range tgtURLs {
if isURLRecursive(tgtURL) {
console.Fatalf("Target ‘%s’ cannot be recursive. %s\n", tgtURL, iodine.New(err, nil))
}
}
switch guessCastURLType(srcURL, tgtURLs) {
case castURLsTypeA: // Source is already a regular file.
//
case castURLsTypeB: // Source is already a regular file.
//
case castURLsTypeC:
srcURL = stripRecursiveURL(srcURL)
_, srcContent, err := url2Stat(srcURL)
// Source exist?.
if err != nil {
console.Fatalf("Unable to stat source ‘%s’. %s\n", srcURL, iodine.New(err, nil))
}
if srcContent.Type.IsRegular() { // Ellipses is supported only for directories.
console.Fatalf("Source ‘%s’ is not a directory. %s\n", stripRecursiveURL(srcURL), iodine.New(err, nil))
}
default:
console.Fatalln("Invalid arguments. Unable to determine how to cast. Please report this issue at https://github.com/minio/mc/issues")
}
}
// runUpdateCmd -
func runUpdateCmd(ctx *cli.Context) {
if ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "update", 1) // last argument is exit code
}
msg, err := doUpdateCheck()
if err != nil {
console.Fatalln(msg)
}
// no msg do not print one
if msg != "" {
console.Infoln(msg)
}
}
func firstTimeRun() {
if !isMcConfigExists() {
if err := createMcConfigDir(); err != nil {
console.Fatalf("Unable to create ‘mc’ config folder. %s\n", err)
}
config, err := newConfig()
if err != nil {
console.Fatalln(NewIodine(iodine.New(err, nil)))
}
err = writeConfig(config)
if err != nil {
console.Fatalln(NewIodine(iodine.New(err, nil)))
}
console.Infoln("Configuration written to [" + mustGetMcConfigPath() + "]. Please update your access credentials.")
}
if !isSessionDirExists() {
if err := createSessionDir(); err != nil {
console.Fatalf("Unable to create ‘mc’ session folder. %s\n", err)
}
}
checkGolangVersion()
}
// runUpdateCmd -
func runUpdateCmd(ctx *cli.Context) {
if ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "update", 1) // last argument is exit code
}
if !isMcConfigExists() {
console.Fatalf("Please run \"mc config generate\". %s\n", NewIodine(iodine.New(errNotConfigured{}, nil)))
}
msg, err := doUpdateCheck()
if err != nil {
console.Fatalln(msg)
}
// no msg do not print one
if msg != "" {
console.Infoln(msg)
}
}
// runConfigCmd is the handle for "mc config" sub-command
func runConfigCmd(ctx *cli.Context) {
// show help if nothing is set
if !ctx.Args().Present() || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "config", 1) // last argument is exit code
}
arg := ctx.Args().First()
tailArgs := ctx.Args().Tail()
if len(tailArgs) > 2 {
console.Fatalf("Incorrect number of arguments, please use \"mc config help\". %s", errInvalidArgument{})
}
msg, err := doConfig(arg, tailArgs)
if err != nil {
console.Fatalln(msg)
}
console.Infoln(msg)
}
// NOTE: All the parse rules should reduced to A: Copy(Source, Target).
//
// * VALID RULES
// =======================
// A: copy(f, f) -> copy(f, f)
// B: copy(f, d) -> copy(f, d/f) -> A
// C: copy(d1..., d2) -> []copy(d1/f, d1/d2/f) -> []A
//
// * INVALID RULES
// =========================
// A: copy(d, *)
// B: copy(d..., f)
// C: copy(*, d...)
//
func checkCopySyntax(ctx *cli.Context) {
if len(ctx.Args()) < 2 || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "cp", 1) // last argument is exit code.
}
// extract URLs.
URLs, err := args2URLs(ctx.Args())
if err != nil {
console.Fatalf("One or more unknown URL types found %s. %s\n", ctx.Args(), iodine.New(err, nil))
}
srcURLs := URLs[:len(URLs)-1]
tgtURL := URLs[len(URLs)-1]
/****** Generic rules *******/
// Recursive URLs are not allowed in target.
if isURLRecursive(tgtURL) {
console.Fatalf("Target ‘%s’ cannot be recursive. %s\n", tgtURL, iodine.New(err, nil))
}
switch guessCopyURLType(srcURLs, tgtURL) {
case copyURLsTypeA: // Source is already a regular file.
// no verification needed, pass through
case copyURLsTypeB: // Source is already a regular file.
// no verification needed, pass through
case copyURLsTypeC:
for _, srcURL := range srcURLs {
srcURL = stripRecursiveURL(srcURL)
_, srcContent, err := url2Stat(srcURL)
// Source exist?.
if err != nil {
console.Fatalf("Unable to stat source ‘%s’. %s\n", srcURL, iodine.New(err, nil))
}
if srcContent.Type.IsRegular() { // Ellipses is supported only for directories.
console.Fatalf("Source ‘%s’ is not a directory. %s\n", stripRecursiveURL(srcURL), iodine.New(err, nil))
}
}
case copyURLsTypeD:
// only verify if target is a valid directory and exists
if !isTargetURLDir(tgtURL) {
console.Fatalf("Target ‘%s’ should be a directory and exist, when we have a mixture of files and folders in source\n", tgtURL)
}
default:
console.Fatalln("Invalid arguments. Unable to determine how to copy. Please report this issue at https://github.com/minio/mc/issues")
}
}
// runDiffCmd - is a handler for mc diff command
func runDiffCmd(ctx *cli.Context) {
if len(ctx.Args()) != 2 || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "diff", 1) // last argument is exit code
}
if !isMcConfigExists() {
console.Fatalf("Please run \"mc config generate\". %s\n", errNotConfigured{})
}
config := mustGetMcConfig()
firstURL := ctx.Args().First()
secondURL := ctx.Args()[1]
var err error
firstURL, err = getExpandedURL(firstURL, config.Aliases)
if err != nil {
switch e := iodine.ToError(err).(type) {
case errUnsupportedScheme:
console.Fatalf("Unknown type of URL %s. %s\n", e.url, err)
default:
console.Fatalf("Unable to parse argument %s. %s\n", firstURL, err)
}
}
secondURL, err = getExpandedURL(secondURL, config.Aliases)
if err != nil {
switch e := iodine.ToError(err).(type) {
case errUnsupportedScheme:
console.Fatalf("Unknown type of URL %s. %s\n", e.url, err)
default:
console.Fatalf("Unable to parse argument %s. %s\n", secondURL, err)
}
}
if isURLRecursive(secondURL) {
console.Fatalf("Second URL cannot be recursive. %s\n", errInvalidArgument{})
}
newFirstURL := stripRecursiveURL(firstURL)
for diff := range doDiffCmd(newFirstURL, secondURL, isURLRecursive(firstURL)) {
if diff.err != nil {
console.Fatalln(diff.message)
}
console.Infoln(diff.message)
}
}
// NOTE: All the parse rules should reduced to A: Copy(Source, Target).
//
// * VALID RULES
// =======================
// A: copy(f, f) -> copy(f, f)
// B: copy(f, d) -> copy(f, d/f) -> A
// C: copy(d1..., d2) -> []copy(d1/f, d2/d1/f) -> []A
// D: copy([]{d1... | f}, d2) -> []{copy(d1/f, d2/d1/f) | copy(f, d2/f )} -> []A
//
// * INVALID RULES
// =========================
// A: copy(d, *)
// B: copy(d..., f)
// C: copy(*, d...)
//
func checkCopySyntax(ctx *cli.Context) {
if len(ctx.Args()) < 2 || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "cp", 1) // last argument is exit code.
}
// extract URLs.
URLs, err := args2URLs(ctx.Args())
if err != nil {
console.Fatalf("One or more unknown URL types found %s. %s\n", ctx.Args(), NewIodine(iodine.New(err, nil)))
}
srcURLs := URLs[:len(URLs)-1]
tgtURL := URLs[len(URLs)-1]
/****** Generic rules *******/
// Recursive URLs are not allowed in target.
if isURLRecursive(tgtURL) {
console.Fatalf("Recursive option is not supported for target ‘%s’ argument. %s\n", tgtURL, NewIodine(iodine.New(errInvalidArgument{}, nil)))
}
url, err := client.Parse(tgtURL)
if err != nil {
console.Fatalf("Unable to parse target ‘%s’ argument. %s\n", tgtURL, NewIodine(iodine.New(err, nil)))
}
if url.Host != "" {
if url.Path == string(url.Separator) {
console.Fatalf("Bucket creation detected for %s, cloud storage URL's should use ‘mc mb’ to create buckets\n", tgtURL)
}
}
switch guessCopyURLType(srcURLs, tgtURL) {
case copyURLsTypeA: // File -> File.
checkCopySyntaxTypeA(srcURLs, tgtURL)
case copyURLsTypeB: // File -> Folder.
checkCopySyntaxTypeB(srcURLs, tgtURL)
case copyURLsTypeC: // Folder... -> Folder.
checkCopySyntaxTypeC(srcURLs, tgtURL)
case copyURLsTypeD: // File | Folder... -> Folder.
checkCopySyntaxTypeD(srcURLs, tgtURL)
default:
console.Fatalln("Invalid arguments. Unable to determine how to copy. Please report this issue at https://github.com/minio/mc/issues")
}
}
// Check for sane config environment early on and gracefully report.
func checkConfig() {
// Refresh the config once.
loadMcConfig = loadMcConfigFactory()
// Ensures config file is sane.
config, err := loadMcConfig()
// Verify if the path is accesible before validating the config
fatalIf(err.Trace(mustGetMcConfigPath()), "Unable to access configuration file.")
// Validate and print error messges
ok, errMsgs := validateConfigFile(config)
if !ok {
var errorMsg bytes.Buffer
for index, errMsg := range errMsgs {
// Print atmost 10 errors
if index > 10 {
break
}
errorMsg.WriteString(errMsg + "\n")
}
console.Fatalln(errorMsg.String())
}
}
func runSessionCmd(ctx *cli.Context) {
if len(ctx.Args()) < 1 || ctx.Args().First() == "help" {
cli.ShowCommandHelpAndExit(ctx, "session", 1) // last argument is exit code
}
if strings.TrimSpace(ctx.Args().First()) == "" {
cli.ShowCommandHelpAndExit(ctx, "session", 1) // last argument is exit code
}
if !isSessionDirExists() {
if err := createSessionDir(); err != nil {
console.Fatalf("Unable to create session folder. %s\n", err)
}
}
switch strings.TrimSpace(ctx.Args().First()) {
// list resumable sessions
case "list":
err := listSessions()
if err != nil {
console.Fatalln(err)
}
case "resume":
if len(ctx.Args().Tail()) != 1 {
cli.ShowCommandHelpAndExit(ctx, "session", 1) // last argument is exit code
}
if strings.TrimSpace(ctx.Args().Tail().First()) == "" {
cli.ShowCommandHelpAndExit(ctx, "session", 1) // last argument is exit code
}
sid := strings.TrimSpace(ctx.Args().Tail().First())
_, err := os.Stat(getSessionFile(sid))
if err != nil {
console.Fatalln(errInvalidSessionID{id: sid})
}
s, err := loadSessionV2(sid)
if err != nil {
console.Fatalln(errInvalidSessionID{id: sid})
}
// extra check for testing purposes
if s == nil {
return
}
savedCwd, err := os.Getwd()
if err != nil {
console.Fatalln("Unable to verify your current working folder. %s\n", err)
}
if s.Header.RootPath != "" {
// chdir to RootPath
os.Chdir(s.Header.RootPath)
}
sessionExecute(s)
err = s.Close()
if err != nil {
console.Fatalf("Unable to close session file properly. %s\n", err)
}
err = s.Delete()
if err != nil {
console.Fatalf("Unable to clear session files properly. %s\n", err)
}
// change dir back
os.Chdir(savedCwd)
// purge a requested pending session, if "*" purge everything
case "clear":
if len(ctx.Args().Tail()) != 1 {
cli.ShowCommandHelpAndExit(ctx, "session", 1) // last argument is exit code
}
if strings.TrimSpace(ctx.Args().Tail().First()) == "" {
cli.ShowCommandHelpAndExit(ctx, "session", 1) // last argument is exit code
}
clearSession(strings.TrimSpace(ctx.Args().Tail().First()))
default:
cli.ShowCommandHelpAndExit(ctx, "session", 1) // last argument is exit code
}
}
// Close a session and exit.
func (s sessionV8) CloseAndDie() {
s.Close()
console.Fatalln("Session safely terminated. To resume session ‘mc session resume " + s.SessionID + "’")
}