feat: no-op metrics (#181)

* add: no-op metrics

* update: NopLogger, development logger

* update: NewNoopMetrics return TaskMetrics

Author: JulianToledano

pkg/logger/logger.go

@@ -66,6 +66,17 @@ func NewLogger(opts ...interface{}) *Logger {
 	return &Logger{logger: logger}
 }
 
+func NewNopLogger() *Logger {
+	return &Logger{logger: zap.NewNop()}
+}
+
+func NewDevelopmentLogger(fields ...Field) *Logger {
+	config := defaultConfig
+	config.Encoding = ConsoleEncode
+
+	return NewLogger(config, fields)
+}
+
 func configureAndBuildLogger(config Config) *zap.Logger {
 	cfg := zap.NewProductionConfig()
 	if strings.EqualFold(config.Encoding, ConsoleEncode) {

pkg/metrics/noop.go

@@ -0,0 +1,43 @@
+package metrics
+
+var _ TaskMetrics = NoopMetrics{}
+
+// NoopMetrics provides an implementation of the TaskMetrics that produces no telemetry and minimizes used computation resources.
+type NoopMetrics struct{}
+
+// NewNoopMetrics creates and returns a new instance that implements the TaskMetrics interface without generating any metrics or telemetry.
+func NewNoopMetrics() TaskMetrics {
+	return &NoopMetrics{}
+}
+
+func (n NoopMetrics) Start() error {
+	return nil
+}
+
+func (n NoopMetrics) RegisterMetric(_, _ string, _ []string, _ MetricHandler) error {
+	return nil
+}
+
+func (n NoopMetrics) UpdateMetric(_ string, _ float64, _ ...string) error {
+	return nil
+}
+
+func (n NoopMetrics) IncrementMetric(_ string, _ ...string) error {
+	return nil
+}
+
+func (n NoopMetrics) DecrementMetric(_ string, _ ...string) error {
+	return nil
+}
+
+func (n NoopMetrics) Name() string {
+	return ""
+}
+
+func (n NoopMetrics) AppName() string {
+	return ""
+}
+
+func (n NoopMetrics) Stop() error {
+	return nil
+}