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271 lines
7.7 KiB
271 lines
7.7 KiB
/*
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* Minio Cloud Storage, (C) 2015 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 main
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import (
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"crypto/tls"
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"encoding/json"
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"fmt"
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"net"
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"net/http"
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"os"
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"runtime"
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"strconv"
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"strings"
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"github.com/fatih/color"
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"github.com/minio/cli"
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"github.com/minio/minio-xl/pkg/minhttp"
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"github.com/minio/minio-xl/pkg/probe"
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)
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var serverCmd = cli.Command{
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Name: "server",
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Usage: "Start Minio cloud storage server.",
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Action: serverMain,
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CustomHelpTemplate: `NAME:
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minio {{.Name}} - {{.Usage}}
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USAGE:
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minio {{.Name}} PATH
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EXAMPLES:
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1. Start minio server on Linux.
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$ minio {{.Name}} /home/shared
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2. Start minio server on Windows.
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$ minio {{.Name}} C:\MyShare
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3. Start minio server bound to a specific IP:PORT, when you have multiple network interfaces.
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$ minio --address 192.168.1.101:9000 {{.Name}} /home/shared
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4. Start minio server with minimum free disk threshold to 5%
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$ minio {{.Name}} min-free-disk 5% /home/shared/Pictures
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`,
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}
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// configureAPIServer configure a new server instance
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func configureAPIServer(conf serverConfig) (*http.Server, *probe.Error) {
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// Minio server config
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apiServer := &http.Server{
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Addr: conf.Address,
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Handler: getCloudStorageAPIHandler(getNewCloudStorageAPI(conf)),
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MaxHeaderBytes: 1 << 20,
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}
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if conf.TLS {
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var err error
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apiServer.TLSConfig = &tls.Config{}
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apiServer.TLSConfig.Certificates = make([]tls.Certificate, 1)
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apiServer.TLSConfig.Certificates[0], err = tls.LoadX509KeyPair(conf.CertFile, conf.KeyFile)
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if err != nil {
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return nil, probe.NewError(err)
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}
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}
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host, port, err := net.SplitHostPort(conf.Address)
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if err != nil {
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return nil, probe.NewError(err)
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}
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var hosts []string
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switch {
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case host != "":
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hosts = append(hosts, host)
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default:
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return nil, probe.NewError(err)
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}
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for _, addr := range addrs {
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if addr.Network() == "ip+net" {
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host := strings.Split(addr.String(), "/")[0]
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if ip := net.ParseIP(host); ip.To4() != nil {
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hosts = append(hosts, host)
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}
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}
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}
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}
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Println("Starting minio server:")
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for _, host := range hosts {
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if conf.TLS {
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Printf("Listening on https://%s:%s\n", host, port)
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} else {
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Printf("Listening on http://%s:%s\n", host, port)
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}
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}
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return apiServer, nil
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}
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// startServer starts an s3 compatible cloud storage server
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func startServer(conf serverConfig) *probe.Error {
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apiServer, err := configureAPIServer(conf)
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if err != nil {
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return err.Trace()
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}
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rateLimit := conf.RateLimit
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if err := minhttp.ListenAndServeLimited(rateLimit, apiServer); err != nil {
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return err.Trace()
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}
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return nil
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}
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// parse input string with percent to int64
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func parsePercentToInt(s string, bitSize int) (int64, *probe.Error) {
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i := strings.Index(s, "%")
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if i < 0 {
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// no percentage string found try to parse the whole string anyways
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p, err := strconv.ParseInt(s, 10, bitSize)
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if err != nil {
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return 0, probe.NewError(err)
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}
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return p, nil
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}
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p, err := strconv.ParseInt(s[:i], 10, bitSize)
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if err != nil {
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return 0, probe.NewError(err)
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}
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return p, nil
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}
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func getAuth() (*AuthConfig, *probe.Error) {
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if err := createAuthConfigPath(); err != nil {
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return nil, err.Trace()
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}
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config, err := loadAuthConfig()
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if err != nil {
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if os.IsNotExist(err.ToGoError()) {
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// Initialize new config, since config file doesn't exist yet
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config := &AuthConfig{}
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config.Version = "1"
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config.AccessKeyID = string(mustGenerateAccessKeyID())
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config.SecretAccessKey = string(mustGenerateSecretAccessKey())
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if err := saveAuthConfig(config); err != nil {
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return nil, err.Trace()
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}
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return config, nil
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}
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return nil, err.Trace()
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}
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return config, nil
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}
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type accessKeys struct {
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*AuthConfig
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}
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func (a accessKeys) String() string {
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magenta := color.New(color.FgMagenta, color.Bold).SprintFunc()
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white := color.New(color.FgWhite, color.Bold).SprintfFunc()
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return fmt.Sprint(magenta("AccessKey: ") + white(a.AccessKeyID) + " " + magenta("SecretKey: ") + white(a.SecretAccessKey))
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}
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// JSON - json formatted output
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func (a accessKeys) JSON() string {
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b, err := json.Marshal(a)
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errorIf(probe.NewError(err), "Unable to marshal json", nil)
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return string(b)
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}
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// fetchAuth first time authorization
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func fetchAuth() *probe.Error {
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conf, err := getAuth()
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if err != nil {
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return err.Trace()
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}
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if conf != nil {
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if globalJSONFlag {
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Println(accessKeys{conf}.JSON())
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} else {
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Println()
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Println(accessKeys{conf})
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}
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}
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if !globalJSONFlag {
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Println("\nTo configure Minio Client.")
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if runtime.GOOS == "windows" {
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Println("\n\tDownload https://dl.minio.io:9000/updates/2015/Oct/" + runtime.GOOS + "-" + runtime.GOARCH + "/mc.exe")
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Println("\t$ mc.exe config host add localhost:9000 " + conf.AccessKeyID + " " + conf.SecretAccessKey)
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Println("\t$ mc.exe mb localhost/photobucket")
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Println("\t$ mc.exe cp C:\\Photos... localhost/photobucket")
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} else {
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Println("\n\t$ wget https://dl.minio.io:9000/updates/2015/Oct/" + runtime.GOOS + "-" + runtime.GOARCH + "/mc")
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Println("\t$ chmod 755 mc")
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Println("\t$ ./mc config host add localhost:9000 " + conf.AccessKeyID + " " + conf.SecretAccessKey)
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Println("\t$ ./mc mb localhost/photobucket")
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Println("\t$ ./mc cp ~/Photos... localhost/photobucket")
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}
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Println()
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}
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return nil
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}
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func checkServerSyntax(c *cli.Context) {
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if !c.Args().Present() || c.Args().First() == "help" {
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cli.ShowCommandHelpAndExit(c, "server", 1)
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}
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if len(c.Args()) > 3 {
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fatalIf(probe.NewError(errInvalidArgument), "Unnecessary arguments passed. Please refer ‘mc server help’", nil)
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}
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path := strings.TrimSpace(c.Args().Last())
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if path == "" {
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fatalIf(probe.NewError(errInvalidArgument), "Path argument cannot be empty.", nil)
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}
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}
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func serverMain(c *cli.Context) {
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checkServerSyntax(c)
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err := fetchAuth()
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fatalIf(err.Trace(), "Failed to generate keys for minio.", nil)
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path := strings.TrimSpace(c.Args().Last())
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// Last argument is always path
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if _, err := os.Stat(path); err != nil {
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fatalIf(probe.NewError(err), "Unable to validate the path", nil)
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}
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certFile := c.GlobalString("cert")
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keyFile := c.GlobalString("key")
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if (certFile != "" && keyFile == "") || (certFile == "" && keyFile != "") {
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fatalIf(probe.NewError(errInvalidArgument), "Both certificate and key are required to enable https.", nil)
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}
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var minFreeDisk int64
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// Only if args are greater than or equal to 2 verify if the proper variables are passed.
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if len(c.Args()) >= 2 {
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if c.Args().Get(0) == "min-free-disk" {
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minFreeDisk, err = parsePercentToInt(c.Args().Get(1), 64)
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fatalIf(err.Trace(c.Args().Get(2)), "Unable to parse minimum free disk parameter.", nil)
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}
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if c.Args().Get(0) != "min-free-disk" {
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fatalIf(probe.NewError(errInvalidArgument), "Invalid arguments passed. ‘"+strings.Join(c.Args(), " ")+"’", nil)
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}
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}
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tls := (certFile != "" && keyFile != "")
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apiServerConfig := serverConfig{
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Address: c.GlobalString("address"),
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Anonymous: c.GlobalBool("anonymous"),
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Path: path,
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MinFreeDisk: minFreeDisk,
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TLS: tls,
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CertFile: certFile,
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KeyFile: keyFile,
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RateLimit: c.GlobalInt("ratelimit"),
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}
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err = startServer(apiServerConfig)
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errorIf(err.Trace(), "Failed to start the minio server.", nil)
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}
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