[SEBA-836] BBSim Reflector

Change-Id: Ib4ae5a2c24880dc62209bebb81188eca5f57865d
diff --git a/internal/common/logger.go b/internal/common/logger.go
new file mode 100644
index 0000000..cc6e48d
--- /dev/null
+++ b/internal/common/logger.go
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package common
+
+import log "github.com/sirupsen/logrus"
+
+func SetLogLevel(logger *log.Logger, level string, caller bool) {
+
+	logger.SetReportCaller(caller)
+
+	switch level {
+	case "trace":
+		logger.SetLevel(log.TraceLevel)
+	case "debug":
+		logger.SetLevel(log.DebugLevel)
+	case "info":
+		logger.SetLevel(log.InfoLevel)
+	case "warn":
+		logger.SetLevel(log.WarnLevel)
+	case "error":
+		logger.SetLevel(log.ErrorLevel)
+	default:
+		logger.SetLevel(log.DebugLevel)
+		logger.WithFields(log.Fields{
+			"level": level,
+		}).Warn("The provided level is unknown. Defaulting to 'debug'")
+	}
+
+}