Main flag parsing fixed

cmd/workbench.go

@@ -11,27 +11,28 @@ import (
 	"github.com/trento-project/workbench/pkg/operator"
 )
 
-type opts struct {
+type cliOptions struct {
 	Arguments string `long:"arguments" short:"a" description:"Json arguments of an operator" required:"true"`
 	Verbose   bool   `long:"verbose" short:"v" description:"Log verbosity"`
 }
 
+var options cliOptions
+var flagParser = flags.NewParser(&options, flags.Default) //nolint
+
 func main() {
 	ctx := context.Background()
 
-	var opts opts
-	_, err := flags.Parse(&opts)
+	args, err := flagParser.Parse()
 	if err != nil {
 		os.Exit(1)
 	}
 
 	logger := logrus.StandardLogger()
-	if opts.Verbose {
+	if options.Verbose {
 		logger.SetLevel(logrus.DebugLevel)
 	}
 
-	operatorName := os.Args[1]
-
+	operatorName := args[0]
 	registry := operator.StandardRegistry(operator.WithCustomLogger(logger))
 
 	builder, err := registry.GetOperatorBuilder(operatorName)
@@ -40,15 +41,15 @@ func main() {
 	}
 
 	opArgs := make(operator.OperatorArguments)
-	err = json.Unmarshal([]byte(opts.Arguments), &opArgs)
+	err = json.Unmarshal([]byte(options.Arguments), &opArgs)
 	if err != nil {
-		logger.Fatalf("could not unmarhsal %s into arguments", opts.Arguments)
+		logger.Fatalf("could not unmarhsal %s into arguments", options.Arguments)
 	}
 
 	logger.Infof(
 		"starting execution with operator: %s - arguments: %s",
 		operatorName,
-		opts.Arguments,
+		options.Arguments,
 	)
 
 	op := builder("test-cli", opArgs)