HDFSWriter microservice working copy

Issue-ID: ONAPARC-453
Signed-off-by: Rajamohan Raj <rajamohan.raj@intel.com>
Change-Id: I11c91b642e466763c1ca6f5734bf81fb260e2b39

1 files changed, 32 insertions, 0 deletions

diff --git a/vnfs/DAaaS/microservices/GoApps/src/go-hdfs-writer/pkg/utils/logutils.go b/vnfs/DAaaS/microservices/GoApps/src/go-hdfs-writer/pkg/utils/logutils.go
new file mode 100644
index 00000000..0f72e718
--- /dev/null
+++ b/vnfs/DAaaS/microservices/GoApps/src/go-hdfs-writer/pkg/utils/logutils.go
@@ -0,0 +1,32 @@
+package utils
+
+import (
+	"go.uber.org/zap"
+	"fmt"
+	"sync"
+)
+
+
+
+var logOnce sync.Once
+var logger *zap.SugaredLogger
+
+//GetLoggerInstance returns a singleton instance of logger
+func GetLoggerInstance() (*zap.SugaredLogger){
+	logOnce.Do(func(){
+		logger = createLogger()
+	})
+	return logger
+}
+
+
+//createLogger returns a SugaredLogger, sugaredLogger can be directly used to generate logs
+func createLogger() (*zap.SugaredLogger){
+	logger, err := zap.NewDevelopment()
+	if err != nil {
+		fmt.Printf("can't initialize zap logger: %v", err)
+	}
+	defer logger.Sync()
+	slogger := logger.Sugar()
+	return slogger
+}
\ No newline at end of file