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minio/server-main.go

229 lines
6.2 KiB

/*
* 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"
"strings"
"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}} PATH
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 /home/shared
`,
}
// configureAPIServer configure a new server instance
func configureAPIServer(conf fsConfig, apiHandler http.Handler) (*http.Server, *probe.Error) {
// Minio server config
apiServer := &http.Server{
Addr: conf.Address,
Handler: apiHandler,
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 fsConfig) *probe.Error {
minioAPI := getNewAPI(conf.Path, conf.Anonymous)
apiHandler := getAPIHandler(conf.Anonymous, minioAPI)
apiServer, err := configureAPIServer(conf, apiHandler)
if err != nil {
return err.Trace()
}
if err := minhttp.ListenAndServe(apiServer); err != nil {
return err.Trace()
}
return nil
}
func getServerConfig(c *cli.Context) fsConfig {
certFile := c.GlobalString("cert")
keyFile := c.GlobalString("key")
if (certFile != "" && keyFile == "") || (certFile == "" && keyFile != "") {
Fatalln("Both certificate and key are required to enable https.")
}
tls := (certFile != "" && keyFile != "")
return fsConfig{
Address: c.GlobalString("address"),
Path: strings.TrimSpace(c.Args().First()),
Anonymous: c.GlobalBool("anonymous"),
TLS: tls,
CertFile: certFile,
KeyFile: keyFile,
RateLimit: c.GlobalInt("ratelimit"),
}
}
func getAuth() (*AuthConfig, *probe.Error) {
if err := createAuthConfigPath(); err != nil {
return nil, err.Trace()
}
config, err := loadAuthConfig()
if err != nil {
if os.IsNotExist(err.ToGoError()) {
// Initialize new config, since config file doesn't exist yet
config := &AuthConfig{}
config.Version = "1"
config.AccessKeyID = string(mustGenerateAccessKeyID())
config.SecretAccessKey = string(mustGenerateSecretAccessKey())
if err := saveAuthConfig(config); err != nil {
return nil, err.Trace()
}
return config, nil
}
return nil, err.Trace()
}
return config, nil
}
type accessKeys struct {
*AuthConfig
}
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.AccessKeyID) + " " + magenta("SecretKey: ") + white(a.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)
}
// fetchAuth first time authorization
func fetchAuth() *probe.Error {
conf, err := getAuth()
if err != nil {
return err.Trace()
}
if conf != nil {
if globalJSONFlag {
Println(accessKeys{conf}.JSON())
} else {
Println()
Println(accessKeys{conf})
}
}
if !globalJSONFlag {
Println("\nTo configure Minio Client.")
if runtime.GOOS == "windows" {
Println("\n\tDownload https://dl.minio.io:9000/updates/2015/Oct/" + runtime.GOOS + "-" + runtime.GOARCH + "/mc.exe")
Println("\t$ mc.exe config host add localhost:9000 " + conf.AccessKeyID + " " + conf.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/Oct/" + runtime.GOOS + "-" + runtime.GOARCH + "/mc")
Println("\t$ chmod 755 mc")
Println("\t$ ./mc config host add localhost:9000 " + conf.AccessKeyID + " " + conf.SecretAccessKey)
Println("\t$ ./mc mb localhost/photobucket")
Println("\t$ ./mc cp ~/Photos... localhost/photobucket")
}
Println()
}
return nil
}
func serverMain(c *cli.Context) {
if !c.Args().Present() || c.Args().First() == "help" {
cli.ShowCommandHelpAndExit(c, "server", 1)
}
err := fetchAuth()
fatalIf(err.Trace(), "Failed to generate keys for minio.", nil)
if _, err := os.Stat(c.Args().First()); err != nil {
fatalIf(probe.NewError(err), "Unable to validate the path", nil)
}
apiServerConfig := getServerConfig(c)
err = startServer(apiServerConfig)
errorIf(err.Trace(), "Failed to start the minio server.", nil)
}