From: Rajamohan Raj <rajamohan.raj@intel.com>
Date: Thu, 23 May 2019 19:47:06 +0000 (-0700)
Subject: Sample file reading from hdfs.
X-Git-Tag: 1.5.0~85
X-Git-Url: https://gerrit.onap.org/r/gitweb?p=demo.git;a=commitdiff_plain;h=bc5fdda854e73daf42f6b275ed75d06c12dc6b09

Sample file reading from hdfs.

Just a sample go file for reading from a hdfs file.
Shall be deleted later.

Issue-ID: ONAPARC-451
Signed-off-by: Rajamohan Raj <rajamohan.raj@intel.com>
Change-Id: Icfdd4b2196e080b6da45dadaf498eeb5d5fba1ac
---

diff --git a/vnfs/DAaaS/GoApps/src/hdfs-writer/Makefile b/vnfs/DAaaS/GoApps/src/hdfs-writer/Makefile
index d31fd66b..e3f21405 100644
--- a/vnfs/DAaaS/GoApps/src/hdfs-writer/Makefile
+++ b/vnfs/DAaaS/GoApps/src/hdfs-writer/Makefile
@@ -1,14 +1,15 @@
 # SPDX-license-identifier: Apache-2.0
 ##############################################################################
-# Copyright (c) 2018 Intel Corporation
+# Copyright (c) 2019 Intel Corporation
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Apache License, Version 2.0
 # which accompanies this distribution, and is available at
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
 
-GOPATH := $(shell realpath "$(PWD)/../../")
 
+GOPATH := $(shell realpath "$(PWD)/../../")
+#export GOPATH=/Users/rajamoha/projects/demo/vnfs/DAaaS/GoApps
 export GOPATH ...
 export GO111MODULE=on
 
@@ -16,12 +17,17 @@ export GO111MODULE=on
 
 all:
 	echo $$GOPATH
+	GOOS=linux GOARCH=amd64
 	@go build -tags netgo -o ./bin/hdfs-writer ./cmd/main.go
 
 build:
 	echo $$GOPATH
+	GOOS=linux GOARCH=amd64
 	@go build -tags netgo -o ./bin/hdfs-writer ./cmd/main.go
 
+.PHONY: format
+format:
+	@go fmt ./...
 
 .PHONY: clean
 clean:
diff --git a/vnfs/DAaaS/GoApps/src/hdfs-writer/README.md b/vnfs/DAaaS/GoApps/src/hdfs-writer/README.md
index b0475758..453b842d 100644
--- a/vnfs/DAaaS/GoApps/src/hdfs-writer/README.md
+++ b/vnfs/DAaaS/GoApps/src/hdfs-writer/README.md
@@ -1,4 +1,4 @@
-<!-- Copyright 2018 Intel Corporation.
+<!-- Copyright 2019 Intel Corporation.
 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
diff --git a/vnfs/DAaaS/GoApps/src/hdfs-writer/cmd/main.go b/vnfs/DAaaS/GoApps/src/hdfs-writer/cmd/main.go
index abc75fb7..11350f0b 100644
--- a/vnfs/DAaaS/GoApps/src/hdfs-writer/cmd/main.go
+++ b/vnfs/DAaaS/GoApps/src/hdfs-writer/cmd/main.go
@@ -1,11 +1,25 @@
 package main
 
 import (
+	"os"
 	"fmt"
 	"log"
+	"github.com/colinmarc/hdfs/v2"
 )
 
 func main() {
 	log.Println("Starting the HDFS writer")
-	fmt.Println("Starting the HDFS writer ...")
+	localSourceFile := os.Args[1]
+	hdfsDestination := os.Args[2]
+
+	log.Println("localSourceFile:: "+localSourceFile)
+	log.Println("hdfsDestination:: "+hdfsDestination)
+
+	client, _ := hdfs.New("hdfs://hdfs-1-namenode-1.hdfs-1-namenode.hdfs1.svc.cluster.local:8020")
+	file, _ := client.Open("/kafka.txt")
+
+	buf := make([]byte, 59)
+	file.ReadAt(buf, 48847)
+	fmt.Println(string(buf))
+
 }
diff --git a/vnfs/DAaaS/GoApps/src/hdfs-writer/go.mod b/vnfs/DAaaS/GoApps/src/hdfs-writer/go.mod
index cf8a1d81..b2855127 100644
--- a/vnfs/DAaaS/GoApps/src/hdfs-writer/go.mod
+++ b/vnfs/DAaaS/GoApps/src/hdfs-writer/go.mod
@@ -1 +1,3 @@
-module /Users/rajamoha/projects/demo/vnfs/DAaaS/GoApps/src/hdfs-writer
+module hdfs-writer
+
+require github.com/colinmarc/hdfs/v2 v2.0.0 // indirect