Rename spec to config

Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@docker.com> (github: crosbymichael)

nsinit/config.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+
+	"github.com/codegangsta/cli"
+)
+
+var configCommand = cli.Command{
+	Name:   "config",
+	Usage:  "display the container configuration",
+	Action: configAction,
+}
+
+func configAction(context *cli.Context) {
+	container, err := loadContainer()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	data, err := json.MarshalIndent(container, "", "\t")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Printf("%s", data)
+}

nsinit/main.go

@@ -30,7 +30,7 @@ func main() {
 		execCommand,
 		initCommand,
 		statsCommand,
-		specCommand,
+		configCommand,
 		nsenterCommand,
 	}
 

nsinit/spec.go

@@ -1,40 +0,0 @@
-package main
-
-import (
-	"encoding/json"
-	"fmt"
-	"log"
-
-	"github.com/codegangsta/cli"
-	"github.com/docker/libcontainer"
-)
-
-var specCommand = cli.Command{
-	Name:   "spec",
-	Usage:  "display the container specification",
-	Action: specAction,
-}
-
-func specAction(context *cli.Context) {
-	container, err := loadContainer()
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	spec, err := getContainerSpec(container)
-	if err != nil {
-		log.Fatalf("Failed to get spec - %v\n", err)
-	}
-
-	fmt.Printf("Spec:\n%v\n", spec)
-}
-
-// returns the container spec in json format.
-func getContainerSpec(container *libcontainer.Config) (string, error) {
-	spec, err := json.MarshalIndent(container, "", "\t")
-	if err != nil {
-		return "", err
-	}
-
-	return string(spec), nil
-}