upd(flags): configure from main fn not flags.go

cmd/sam/flags.go

@@ -3,8 +3,6 @@ package main
 import (
 	_ "github.com/joho/godotenv/autoload"
 	"github.com/namsral/flag"
-
-	"github.com/crusttech/crust/rbac"
 )
 
 type configuration struct {
@@ -12,7 +10,7 @@ type configuration struct {
 	dbDSN    string
 }
 
-func flags(prefix string) configuration {
+func flags(prefix string, mountFlags ...func()) configuration {
 	var config configuration
 
 	p := func(s string) string {
@@ -21,7 +19,9 @@ func flags(prefix string) configuration {
 
 	flag.StringVar(&config.httpAddr, p("http-addr"), ":3000", "Listen address for HTTP server")
 	flag.StringVar(&config.dbDSN, p("db-dsn"), "crust:crust@tcp(db1:3306)/crust?collation=utf8mb4_general_ci", "DSN for database connection")
-	rbac.Flags()
+	for _, mount := range mountFlags {
+		mount()
+	}
 	flag.Parse()
 	return config
 }