add helper to retrieve log utils from action (#126)

Author: iignatevich

pkg/action/utils.go

@@ -211,3 +211,20 @@ func exportScriptToFile(script string) (string, error) {
 
 	return path, nil
 }
+
+// GetLoggerAndTerminal returns action logger and terminal if any.
+func GetLoggerAndTerminal(a *Action) (log *launchr.Logger, term *launchr.Terminal) {
+	// Fallback to default launchr logger.
+	log = launchr.Log()
+	if rt, ok := a.Runtime().(RuntimeLoggerAware); ok {
+		log = rt.LogWith()
+	}
+
+	// Fallback to default launchr term.
+	term = launchr.Term()
+	if rt, ok := a.Runtime().(RuntimeTermAware); ok {
+		term = rt.Term()
+	}
+
+	return
+}

plugins/builder/plugin.go

@@ -70,16 +70,8 @@ func (p *Plugin) DiscoverActions(_ context.Context) ([]*action.Action, error) {
 			nocache: input.Opt("no-cache").(bool),
 		}
 
-		log := launchr.Log()
-		if rt, ok := a.Runtime().(action.RuntimeLoggerAware); ok {
-			log = rt.LogWith()
-		}
+		log, term := action.GetLoggerAndTerminal(a)
 		flags.SetLogger(log)
-
-		term := launchr.Term()
-		if rt, ok := a.Runtime().(action.RuntimeTermAware); ok {
-			term = rt.Term()
-		}
 		flags.SetTerm(term)
 
 		return Execute(ctx, &flags)