Add Inner Ring code

pkg/util/logger/test/logger.go

@@ -0,0 +1,33 @@
+package test
+
+import (
+	"github.com/nspcc-dev/neofs-node/pkg/util/logger"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+const sampling = 1000
+
+// NewLogger creates a new logger.
+//
+// If debug, development logger is created.
+func NewLogger(debug bool) *logger.Logger {
+	if debug {
+		cfg := zap.NewDevelopmentConfig()
+		cfg.Sampling = &zap.SamplingConfig{
+			Initial:    sampling,
+			Thereafter: sampling,
+		}
+
+		cfg.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
+
+		log, err := cfg.Build()
+		if err != nil {
+			panic("could not prepare logger: " + err.Error())
+		}
+
+		return log
+	}
+
+	return zap.L()
+}