Adding ability to handle debugging plugins. (#79)

transform/binary-plugin/binary_plugin.go

@@ -23,10 +23,10 @@ type BinaryPlugin struct {
 }
 
 // NewBinaryPlugin -
-func NewBinaryPlugin(path string) (transform.Plugin, error) {
+func NewBinaryPlugin(path string, logger *logrus.Logger) (transform.Plugin, error) {
 
 	commandRunner := &binaryRunner{pluginPath: path}
-	log := logrus.New().WithField("pluginPath", path)
+	log := logger.WithField("pluginPath", path)
 
 	out, errBytes, err := commandRunner.Metadata(log)
 	// TODO: Create specific error for command not being run.
@@ -166,6 +166,5 @@ func (b *binaryRunner) Run(u *unstructured.Unstructured, extras map[string]strin
 		log.Errorf("unable to run the plugin binary")
 		return nil, nil, fmt.Errorf("unable to run the plugin binary, err: %v", err)
 	}
-
 	return out.Bytes(), errorBytes.Bytes(), nil
 }

transform/binary-plugin/binary_plugin_test.go

@@ -271,7 +271,7 @@ func TestNewBinaryPlugin(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			cliContext = tt.cliContext
-			b, err := NewBinaryPlugin(tt.name)
+			b, err := NewBinaryPlugin(tt.name, logrus.New())
 			if (err != nil) != tt.wantErr {
 				t.Errorf("Run() error = %v, wantErr %v", err, tt.wantErr)
 				return

transform/cli/cli.go

@@ -20,6 +20,7 @@ var (
 	stdOut io.Writer
 	reader io.Reader
 	exiter func(int)
+	logger *logrus.Logger
 )
 
 func init() {
@@ -28,6 +29,8 @@ func init() {
 	reader = os.Stdin
 
 	exiter = os.Exit
+	logger = logrus.New()
+	logger.SetOutput(stdErr)
 }
 
 type customPlugin struct {
@@ -66,8 +69,8 @@ func WriterErrorAndExit(err error) {
 	exiter(1)
 }
 
-func Logger() logrus.FieldLogger {
-	return &logrus.Logger{}
+func Logger() *logrus.Logger {
+	return logger
 }
 
 func RunAndExit(plugin transform.Plugin) {