X-Git-Url: https://gerrit.onap.org/r/gitweb?p=demo.git;a=blobdiff_plain;f=vnfs%2FDAaaS%2Fmicroservices%2FGoApps%2Fsrc%2Fgo-hdfs-writer%2Fpkg%2Futils%2Flogutils.go;fp=vnfs%2FDAaaS%2Fmicroservices%2FGoApps%2Fsrc%2Fgo-hdfs-writer%2Fpkg%2Futils%2Flogutils.go;h=0f72e71839390ae1aab00dbe2e688a71b004a7f4;hp=0000000000000000000000000000000000000000;hb=99f7370360201104ddfc99b5e766b4e32e8524cc;hpb=3289af42fd3af32fd07c565d072c65743249ebce

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