simplify runtime builder

pkg/command/server_simple.go

@@ -14,7 +14,11 @@ import (
 	"github.com/owncloud/ocis/pkg/tracing"
 )
 
-// Simple is the entrypoint for the server command.
+var (
+	SimpleRuntimeServices = []string{"hello", "konnectd", "phoenix"}
+)
+
+// Simple is the entrypoint for the server command. It is the `ocis server` subcommand overloaded with a different set of services
 func Simple(cfg *config.Config) cli.Command {
 	return cli.Command{
 		Name:     "server",
@@ -36,25 +40,15 @@ func Simple(cfg *config.Config) cli.Command {
 			}
 
 			runtime := runtime.New(
-				runtime.Services(
-					append(
-						runtime.RuntimeServices,
-						[]string{
-							"hello",
-							"konnectd",
-							"phoenix",
-						}...,
-					),
-				),
 				runtime.Logger(logger),
+				runtime.Services(append(runtime.RuntimeServices, SimpleRuntimeServices...)),
 				runtime.MicroRuntime(cmd.DefaultCmd.Options().Runtime),
 			)
 
-			// fork uses the micro runtime to fork go-micro services
-			runtime.Start()
-
-			// trap blocks until a kill signal is sent
-			runtime.Trap()
+			{
+				runtime.Start()
+				runtime.Trap()
+			}
 
 			return nil
 		},