HDFSWriter microservice working copy

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

1 files changed, 33 insertions, 0 deletions

diff --git a/vnfs/DAaaS/microservices/GoApps/src/go-hdfs-writer/pkg/utils/hdfsUtils.go b/vnfs/DAaaS/microservices/GoApps/src/go-hdfs-writer/pkg/utils/hdfsUtils.go
new file mode 100644
index 00000000..1a93a5ad
--- /dev/null
+++ b/vnfs/DAaaS/microservices/GoApps/src/go-hdfs-writer/pkg/utils/hdfsUtils.go
@@ -0,0 +1,33 @@
+package utils
+
+import (
+	"fmt"
+	"github.com/colinmarc/hdfs"
+	//"sync"
+	//"go.uber.org/zap"
+)
+
+
+//var clientOnce sync.Once
+//var hdfsClient *hdfs.Client
+//var slogger *zap.SugaredLogger
+
+
+//GetHdfsClientInstance returns a singleton hdfsClient instance
+// func GetHdfsClientInstance(hdfsURL string) (*hdfs.Client){
+// 	clientOnce.Do(func(){
+// 		hdfsClient = createHdfsClient(hdfsURL)
+// 	})
+// 	return hdfsClient
+// }
+
+//CreateHdfsClient creates a hdfs client and returns hdfs client
+func CreateHdfsClient(hdfsURL string) (*hdfs.Client){
+	slogger := GetLoggerInstance()
+	hdfsClient, hdfsConnectError := hdfs.New(hdfsURL)
+	if hdfsConnectError !=nil {
+		slogger.Fatalf(":::Error in create hdfsClient::: %v", hdfsConnectError)
+		fmt.Printf("::Unable to initialize hdfsURL, check logs")
+	}
+	return hdfsClient
+}
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