/* * Minio Cloud Storage, (C) 2015 Minio, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package main import ( "crypto/tls" "encoding/json" "fmt" "net" "net/http" "os" "runtime" "strconv" "strings" "time" "github.com/fatih/color" "github.com/minio/cli" "github.com/minio/minio-xl/pkg/minhttp" "github.com/minio/minio-xl/pkg/probe" ) var serverCmd = cli.Command{ Name: "server", Usage: "Start Minio cloud storage server.", Action: serverMain, CustomHelpTemplate: `NAME: minio {{.Name}} - {{.Usage}} USAGE: minio {{.Name}} [OPTION VALUE] PATH OPTION = expiry VALUE = NN[h|m|s] [DEFAULT=Unlimited] OPTION = min-free-disk VALUE = NN% [DEFAULT: 10%] EXAMPLES: 1. Start minio server on Linux. $ minio {{.Name}} /home/shared 2. Start minio server on Windows. $ minio {{.Name}} C:\MyShare 3. Start minio server bound to a specific IP:PORT, when you have multiple network interfaces. $ minio --address 192.168.1.101:9000 {{.Name}} /home/shared 4. Start minio server with minimum free disk threshold to 5% $ minio {{.Name}} min-free-disk 5% /home/shared/Pictures 5. Start minio server with minimum free disk threshold to 15% with auto expiration set to 1h $ minio {{.Name}} min-free-disk 15% expiry 1h /home/shared/Documents `, } // cloudServerConfig - http server config type cloudServerConfig struct { /// HTTP server options Address string // Address:Port listening AccessLog bool // Enable access log handler Anonymous bool // No signature turn off /// FS options Path string // Path to export for cloud storage MinFreeDisk int64 // Minimum free disk space for filesystem Expiry time.Duration // Set auto expiry for filesystem // TLS service TLS bool // TLS on when certs are specified CertFile string // Domain certificate KeyFile string // Domain key /// Advanced HTTP server options RateLimit int // Ratelimited server of incoming connections } // configureAPIServer configure a new server instance func configureAPIServer(conf cloudServerConfig) (*http.Server, *probe.Error) { // Minio server config apiServer := &http.Server{ Addr: conf.Address, Handler: getCloudStorageAPIHandler(getNewCloudStorageAPI(conf)), MaxHeaderBytes: 1 << 20, } if conf.TLS { var err error apiServer.TLSConfig = &tls.Config{} apiServer.TLSConfig.Certificates = make([]tls.Certificate, 1) apiServer.TLSConfig.Certificates[0], err = tls.LoadX509KeyPair(conf.CertFile, conf.KeyFile) if err != nil { return nil, probe.NewError(err) } } host, port, err := net.SplitHostPort(conf.Address) if err != nil { return nil, probe.NewError(err) } var hosts []string switch { case host != "": hosts = append(hosts, host) default: addrs, err := net.InterfaceAddrs() if err != nil { return nil, probe.NewError(err) } for _, addr := range addrs { if addr.Network() == "ip+net" { host := strings.Split(addr.String(), "/")[0] if ip := net.ParseIP(host); ip.To4() != nil { hosts = append(hosts, host) } } } } Println("Starting minio server:") for _, host := range hosts { if conf.TLS { Printf("Listening on https://%s:%s\n", host, port) } else { Printf("Listening on http://%s:%s\n", host, port) } } return apiServer, nil } // startServer starts an s3 compatible cloud storage server func startServer(conf cloudServerConfig) *probe.Error { apiServer, err := configureAPIServer(conf) if err != nil { return err.Trace() } rateLimit := conf.RateLimit if err := minhttp.ListenAndServeLimited(rateLimit, apiServer); err != nil { return err.Trace() } return nil } // parse input string with percent to int64 func parsePercentToInt(s string, bitSize int) (int64, *probe.Error) { i := strings.Index(s, "%") if i < 0 { // no percentage string found try to parse the whole string anyways p, err := strconv.ParseInt(s, 10, bitSize) if err != nil { return 0, probe.NewError(err) } return p, nil } p, err := strconv.ParseInt(s[:i], 10, bitSize) if err != nil { return 0, probe.NewError(err) } return p, nil } func setLogger(conf *configV2) *probe.Error { if conf.IsMongoLoggingEnabled() { err := log2Mongo(conf.MongoLogger.Addr, conf.MongoLogger.DB, conf.MongoLogger.Collection) if err != nil { return err.Trace() } } if conf.IsSysloggingEnabled() { err := log2Syslog(conf.SyslogLogger.Network, conf.SyslogLogger.Addr) if err != nil { return err.Trace() } } if conf.IsFileLoggingEnabled() { err := log2File(conf.FileLogger.Filename) if err != nil { return err.Trace() } } return nil } // Generates config if it doesn't exist, otherwise returns back the saved ones. func getConfig() (*configV2, *probe.Error) { if err := createConfigPath(); err != nil { return nil, err.Trace() } config, err := loadConfigV2() if err != nil { if os.IsNotExist(err.ToGoError()) { // Initialize new config, since config file doesn't exist yet config := &configV2{} config.Version = "2" config.Credentials.AccessKeyID = string(mustGenerateAccessKeyID()) config.Credentials.SecretAccessKey = string(mustGenerateSecretAccessKey()) if err := saveConfig(config); err != nil { return nil, err.Trace() } return config, nil } return nil, err.Trace() } return config, nil } type accessKeys struct { *configV2 } func (a accessKeys) String() string { magenta := color.New(color.FgMagenta, color.Bold).SprintFunc() white := color.New(color.FgWhite, color.Bold).SprintfFunc() return fmt.Sprint(magenta("AccessKey: ") + white(a.Credentials.AccessKeyID) + " " + magenta("SecretKey: ") + white(a.Credentials.SecretAccessKey)) } // JSON - json formatted output func (a accessKeys) JSON() string { b, err := json.Marshal(a) errorIf(probe.NewError(err), "Unable to marshal json", nil) return string(b) } // initServer initialize server func initServer() *probe.Error { conf, err := getConfig() if err != nil { return err.Trace() } if err := setLogger(conf); err != nil { return err.Trace() } if conf != nil { Println() Println(accessKeys{conf}) } Println("\nTo configure Minio Client.") if runtime.GOOS == "windows" { Println("\n\tDownload https://dl.minio.io:9000/updates/2015/Nov/" + runtime.GOOS + "-" + runtime.GOARCH + "/mc.exe") Println("\t$ mc.exe config host add http://localhost:9000 " + conf.Credentials.AccessKeyID + " " + conf.Credentials.SecretAccessKey) Println("\t$ mc.exe mb localhost/photobucket") Println("\t$ mc.exe cp C:\\Photos... localhost/photobucket") } else { Println("\n\t$ wget https://dl.minio.io:9000/updates/2015/Nov/" + runtime.GOOS + "-" + runtime.GOARCH + "/mc") Println("\t$ chmod 755 mc") Println("\t$ ./mc config host add http://localhost:9000 " + conf.Credentials.AccessKeyID + " " + conf.Credentials.SecretAccessKey) Println("\t$ ./mc mb localhost/photobucket") Println("\t$ ./mc cp ~/Photos... localhost/photobucket") } Println() return nil } func checkServerSyntax(c *cli.Context) { if !c.Args().Present() || c.Args().First() == "help" { cli.ShowCommandHelpAndExit(c, "server", 1) } if len(c.Args()) > 5 { fatalIf(probe.NewError(errInvalidArgument), "Unnecessary arguments passed. Please refer ‘mc server help’", nil) } path := strings.TrimSpace(c.Args().Last()) if path == "" { fatalIf(probe.NewError(errInvalidArgument), "Path argument cannot be empty.", nil) } } func serverMain(c *cli.Context) { checkServerSyntax(c) perr := initServer() fatalIf(perr.Trace(), "Failed to read config for minio.", nil) certFile := c.GlobalString("cert") keyFile := c.GlobalString("key") if (certFile != "" && keyFile == "") || (certFile == "" && keyFile != "") { fatalIf(probe.NewError(errInvalidArgument), "Both certificate and key are required to enable https.", nil) } var minFreeDisk int64 minFreeDiskSet := false // Default minFreeDisk = 10 var expiration time.Duration expirationSet := false args := c.Args() for len(args) >= 2 { switch args.First() { case "min-free-disk": if minFreeDiskSet { fatalIf(probe.NewError(errInvalidArgument), "Minimum free disk should be set only once.", nil) } args = args.Tail() var err *probe.Error minFreeDisk, err = parsePercentToInt(args.First(), 64) fatalIf(err.Trace(args.First()), "Invalid minium free disk size "+args.First()+" passed.", nil) args = args.Tail() minFreeDiskSet = true case "expiry": if expirationSet { fatalIf(probe.NewError(errInvalidArgument), "Expiration should be set only once.", nil) } args = args.Tail() var err error expiration, err = time.ParseDuration(args.First()) fatalIf(probe.NewError(err), "Invalid expiration time "+args.First()+" passed.", nil) args = args.Tail() expirationSet = true default: cli.ShowCommandHelpAndExit(c, "server", 1) // last argument is exit code } } path := strings.TrimSpace(c.Args().Last()) // Last argument is always path if _, err := os.Stat(path); err != nil { fatalIf(probe.NewError(err), "Unable to validate the path", nil) } tls := (certFile != "" && keyFile != "") apiServerConfig := cloudServerConfig{ Address: c.GlobalString("address"), AccessLog: c.GlobalBool("enable-accesslog"), Anonymous: c.GlobalBool("anonymous"), Path: path, MinFreeDisk: minFreeDisk, Expiry: expiration, TLS: tls, CertFile: certFile, KeyFile: keyFile, RateLimit: c.GlobalInt("ratelimit"), } perr = startServer(apiServerConfig) errorIf(perr.Trace(), "Failed to start the minio server.", nil) }