[#1619] logger: Filter entries by tags provided in config

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

pkg/util/logger/log.go

@@ -6,21 +6,34 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/tracing"
 	qos "git.frostfs.info/TrueCloudLab/frostfs-qos/tagging"
 	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
 )
 
 func (l *Logger) Debug(ctx context.Context, msg string, fields ...zap.Field) {
+	if l.denyLogEntry(zapcore.DebugLevel) {
+		return
+	}
 	l.z.Debug(msg, appendContext(ctx, fields...)...)
 }
 
 func (l *Logger) Info(ctx context.Context, msg string, fields ...zap.Field) {
+	if l.denyLogEntry(zapcore.InfoLevel) {
+		return
+	}
 	l.z.Info(msg, appendContext(ctx, fields...)...)
 }
 
 func (l *Logger) Warn(ctx context.Context, msg string, fields ...zap.Field) {
+	if l.denyLogEntry(zapcore.WarnLevel) {
+		return
+	}
 	l.z.Warn(msg, appendContext(ctx, fields...)...)
 }
 
 func (l *Logger) Error(ctx context.Context, msg string, fields ...zap.Field) {
+	if l.denyLogEntry(zapcore.ErrorLevel) {
+		return
+	}
 	l.z.Error(msg, appendContext(ctx, fields...)...)
 }
 
@@ -33,3 +46,14 @@ func appendContext(ctx context.Context, fields ...zap.Field) []zap.Field {
 	}
 	return fields
 }
+
+func (l *Logger) denyLogEntry(level zapcore.Level) bool {
+	if l.at.Load()&l.m != l.m {
+		return true
+	}
+	tl := l.tl.Load().(map[uint32]zapcore.Level)
+	if lvl, ok := tl[l.m]; ok {
+		return level < lvl
+	}
+	return level < l.lvl.Level()
+}