[VOL-3678] First implementation of the BBSim-sadis-server

Change-Id: I5077a8f861f4cc6af9759f31a4a415042c05eba3
diff --git a/internal/core/common.go b/internal/core/common.go
new file mode 100644
index 0000000..0d360ad
--- /dev/null
+++ b/internal/core/common.go
@@ -0,0 +1,30 @@
+/*
+ * 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 core
+
+import "github.com/opencord/voltha-lib-go/v4/pkg/log"
+
+var logger log.CLogger
+
+func SetupLogger(logLevel log.LogLevel, logFormat string) {
+	// Setup this package so that it's log level can be modified at run time
+	var err error
+	logger, err = log.RegisterPackage(logFormat, logLevel, log.Fields{})
+	if err != nil {
+		panic(err)
+	}
+}