Add server and control command

commands.go

@@ -2,146 +2,93 @@ package main
 
 import (
 	"os/user"
-	"path/filepath"
-	"strings"
-	"time"
 
-	"github.com/dustin/go-humanize"
 	"github.com/minio/cli"
-	"github.com/minio/minio/pkg/iodine"
 	"github.com/minio/minio/pkg/server"
 )
 
-func appendUniq(slice []string, i string) []string {
-	for _, ele := range slice {
-		if ele == i {
-			return slice
+func removeDuplicates(slice []string) []string {
+	newSlice := []string{}
+	seen := make(map[string]struct{})
+	for _, val := range slice {
+		if _, ok := seen[val]; !ok {
+			newSlice = append(newSlice, val)
+			seen[val] = struct{}{}
 		}
 	}
-	return append(slice, i)
+	return newSlice
 }
 
 var commands = []cli.Command{
-	modeCmd,
+	serverCmd,
+	controlCmd,
 }
 
-var modeCommands = []cli.Command{
-	donutCmd,
-}
+var serverCmd = cli.Command{
+	Name:        "server",
+	Description: "Server mode",
+	Action:      runServer,
+	CustomHelpTemplate: `NAME:
+  minio {{.Name}} - {{.Description}}
+
+USAGE:
+  minio {{.Name}}
 
-var modeCmd = cli.Command{
-	Name:        "mode",
-	Subcommands: modeCommands,
-	Description: "Mode of execution",
+EXAMPLES:
+  1. Start in server mode
+      $ minio server
+
+`,
 }
 
-var donutCmd = cli.Command{
-	Name:        "donut",
-	Description: "[status: EXPERIMENTAL]. Path to donut volume.",
-	Action:      runDonut,
+var controlCmd = cli.Command{
+	Name:        "control",
+	Description: "Control mode",
+	Action:      runController,
 	CustomHelpTemplate: `NAME:
-  minio mode {{.Name}} - {{.Description}}
+  minio {{.Name}} - {{.Description}}
 
 USAGE:
-  minio mode {{.Name}} PATH
+  minio {{.Name}}
 
 EXAMPLES:
-  1. Create a donut volume under "/mnt/backup", with a cache limit of 64MB with 1hr expiration
-      $ minio mode {{.Name}} limit 64MB expire 1h paths /mnt/backup
-
-  2. Create a donut volume under collection of paths, put a cache limit of 512MB
-      $ minio mode {{.Name}} limit 512MB paths ""
+  1. Start in controller mode
+      $ minio control
 
 `,
 }
 
-func runDonut(c *cli.Context) {
-	var err error
-
-	u, err := user.Current()
+func runServer(c *cli.Context) {
+	_, err := user.Current()
 	if err != nil {
 		Fatalf("Unable to determine current user. Reason: %s\n", err)
 	}
 	if len(c.Args()) < 1 {
-		cli.ShowCommandHelpAndExit(c, "donut", 1) // last argument is exit code
-	}
-	var maxMemory uint64
-	maxMemorySet := false
-
-	var expiration time.Duration
-	expirationSet := false
-
-	var paths []string
-	pathSet := false
-
-	args := c.Args()
-	for len(args) > 0 {
-		switch args.First() {
-		case "limit":
-			{
-				if maxMemorySet {
-					Fatalln("Limit should be set only once")
-				}
-				args = args.Tail()
-				maxMemory, err = humanize.ParseBytes(args.First())
-				if err != nil {
-					Fatalf("Invalid memory size [%s] passed. Reason: %s\n", args.First(), iodine.New(err, nil))
-				}
-				if maxMemory < 1024*1024*10 {
-					Fatalf("Invalid memory size [%s] passed. Should be greater than 10M\n", args.First())
+		cli.ShowCommandHelpAndExit(c, "server", 1) // last argument is exit code
 	}
-				args = args.Tail()
-				maxMemorySet = true
+	apiServerConfig := getAPIServerConfig(c)
+	s := server.Factory{
+		Config: apiServerConfig,
 	}
-		case "expire":
-			{
-				if expirationSet {
-					Fatalln("Expiration should be set only once")
+	apiServer := s.GetStartServerFunc()
+	//	webServer := getWebServerConfigFunc(c)
+	servers := []server.StartServerFunc{apiServer} //, webServer}
+	server.StartMinio(servers)
 }
-				args = args.Tail()
-				expiration, err = time.ParseDuration(args.First())
+
+func runController(c *cli.Context) {
+	_, err := user.Current()
 	if err != nil {
-					Fatalf("Invalid expiration time [%s] passed. Reason: %s\n", args.First(), iodine.New(err, nil))
-				}
-				args = args.Tail()
-				expirationSet = true
-			}
-		case "paths":
-			if pathSet {
-				Fatalln("Path should be set only once")
-			}
-			// supporting multiple paths
-			args = args.Tail()
-			if strings.TrimSpace(args.First()) == "" {
-				p := filepath.Join(u.HomeDir, "minio-storage", "donut")
-				paths = appendUniq(paths, p)
-			} else {
-				for _, arg := range args {
-					paths = appendUniq(paths, strings.TrimSpace(arg))
-				}
-			}
-			args = args.Tail()
-			pathSet = true
-		default:
-			{
-				cli.ShowCommandHelpAndExit(c, "donut", 1) // last argument is exit code
-			}
-		}
-	}
-	if maxMemorySet == false {
-		Fatalln("Memory limit must be set")
+		Fatalf("Unable to determine current user. Reason: %s\n", err)
 	}
-	if pathSet == false {
-		Fatalln("Path must be set")
+	if len(c.Args()) < 1 {
+		cli.ShowCommandHelpAndExit(c, "control", 1) // last argument is exit code
 	}
 	apiServerConfig := getAPIServerConfig(c)
-	donutDriver := server.Factory{
+	s := server.Factory{
 		Config: apiServerConfig,
-		Paths:      paths,
-		MaxMemory:  maxMemory,
-		Expiration: expiration,
 	}
-	apiServer := donutDriver.GetStartServerFunc()
+	apiServer := s.GetStartServerFunc()
 	//	webServer := getWebServerConfigFunc(c)
 	servers := []server.StartServerFunc{apiServer} //, webServer}
 	server.StartMinio(servers)

pkg/featureflags/featureflag.go

@@ -1,30 +0,0 @@
-package featureflags
-
-import (
-	"sync"
-)
-
-var features = make(map[string]bool)
-var lock = &sync.RWMutex{}
-
-// Get feature will return true if the feature is enabled, otherwise false
-func Get(feature string) bool {
-	lock.RLock()
-	defer lock.RUnlock()
-	res := features[feature]
-	return res
-}
-
-// Enable a feature
-func Enable(feature string) {
-	lock.Lock()
-	defer lock.Unlock()
-	features[feature] = true
-}
-
-// Disable a feature
-func Disable(feature string) {
-	lock.Lock()
-	defer lock.Unlock()
-	features[feature] = false
-}

pkg/featureflags/featureflag_test.go

@@ -1,22 +0,0 @@
-package featureflags
-
-import (
-	"testing"
-)
-
-func TestFeatureFlag(t *testing.T) {
-	foo := Get("foo")
-	if foo {
-		t.Fail()
-	}
-	Enable("foo")
-	foo = Get("foo")
-	if !foo {
-		t.Fail()
-	}
-	Disable("foo")
-	foo = Get("foo")
-	if foo {
-		t.Fail()
-	}
-}

pkg/featureflags/features.go

@@ -1,6 +0,0 @@
-package featureflags
-
-const (
-	// MultipartPutObject ...
-	MultipartPutObject = "minio.multipart_put_object"
-)