Exposing expiration for memory driver

Godeps/Godeps.json

@@ -27,8 +27,8 @@
 		},
 		{
 			"ImportPath": "github.com/minio-io/cli",
-			"Comment": "1.2.0-108-g4ad376c",
-			"Rev": "4ad376c97a51a452e36aaa4c19e42560e64be836"
+			"Comment": "1.2.0-110-g111d644",
+			"Rev": "111d6445d384505978aaf5b218ce96d163b73c57"
 		},
 		{
 			"ImportPath": "github.com/stretchr/objx",

Godeps/_workspace/src/github.com/minio-io/cli/context.go

@@ -186,7 +186,7 @@ func (a Args) Last() string {
 
 // Tail - Return the rest of the arguments (not the first one)
 // or else an empty string slice
-func (a Args) Tail() []string {
+func (a Args) Tail() Args {
 	if len(a) >= 2 {
 		return []string(a)[1:]
 	}

main.go

@@ -141,11 +141,22 @@ func runMemory(c *cli.Context) {
 	apiServerConfig := getAPIServerConfig(c)
 	maxMemory, err := humanize.ParseBytes(c.Args().First())
 	if err != nil {
-		Fatalf("Invalid memory size [%s] passed. Reason: %s\n", c.Args().First(), err)
+		Fatalf("Invalid memory size [%s] passed. Reason: %s\n", c.Args().First(), iodine.New(err, nil))
+	}
+	tail := c.Args().Tail()
+	var expiration time.Duration
+	if tail.First() != "" {
+		expiration, err = time.ParseDuration(tail.First())
+		if err != nil {
+			Fatalf("Invalid expiration time [%s] passed. Reason: %s\n", tail.First(), iodine.New(err, nil))
+		}
+	} else {
+		expiration = 0
 	}
 	memoryDriver := server.MemoryFactory{
-		Config:    apiServerConfig,
-		MaxMemory: maxMemory,
+		Config:     apiServerConfig,
+		MaxMemory:  maxMemory,
+		Expiration: expiration,
 	}
 	apiServer := memoryDriver.GetStartServerFunc()
 	webServer := getWebServerConfigFunc(c)

pkg/server/server.go

@@ -34,13 +34,14 @@ import (
 // MemoryFactory is used to build memory api servers
 type MemoryFactory struct {
 	httpserver.Config
-	MaxMemory uint64
+	MaxMemory  uint64
+	Expiration time.Duration
 }
 
 // GetStartServerFunc builds memory api servers
 func (f MemoryFactory) GetStartServerFunc() StartServerFunc {
 	return func() (chan<- string, <-chan error) {
-		_, _, driver := memory.Start(f.MaxMemory, 1*time.Hour)
+		_, _, driver := memory.Start(f.MaxMemory, f.Expiration)
 		//ctrl, status, _ := httpserver.Start(api.HTTPHandler(f.Domain, driver), f.Config)
 		ctrl, status, _ := httpserver.Start(api.HTTPHandler("", driver), f.Config)
 		return ctrl, status