Adding support for listing and getting manifests in dm client.

dm/dm.go

@@ -137,6 +137,27 @@ func main() {
 		path := fmt.Sprintf("deployments/%s", args[1])
 		action := fmt.Sprintf("get deployment named %s", args[1])
 		callService(path, "GET", action, nil)
+	case "manifest":
+		msg := "Must specify manifest in the form <deployment>/<manifest> or <deployment> to list."
+		if len(args) < 2 {
+			fmt.Fprintln(os.Stderr, msg)
+			usage()
+		}
+
+		s := strings.Split(args[1], "/")
+		ls := len(s)
+		if ls < 1 || ls > 2 {
+			fmt.Fprintln(os.Stderr, fmt.Sprintf("Invalid manifest (%s), %s", args[1], msg))
+			usage()
+		}
+
+		path := fmt.Sprintf("deployments/%s/manifests", s[0])
+		if ls == 2 {
+			path = path + fmt.Sprintf("/%s", s[1])
+		}
+
+		action := fmt.Sprintf("get manifest %s", args[1])
+		callService(path, "GET", action, nil)
 	case "delete":
 		if len(args) < 2 {
 			fmt.Fprintln(os.Stderr, "No deployment name supplied")