A barebones NFS client for testing

nfs.go

package main

import (
	"context"
	"fmt"
	"io"
	"os"

	"github.com/Cyberax/go-nfs-client/nfs4"
)

const (
	NumScaleThreads = 40
	UploadSize      = 1024 * 1024 * 5
	UploadTarget    = 1024 * 1024 * 1024 * 5
)

func main() {
	command := os.Args[1]
	path := os.Args[2]
	ctx := context.Background()
	hostname := "<current-hostname>"
	server := "nfs_server:port"
	client, err := nfs4.NewNfsClient(ctx, server, nfs4.AuthParams{
		MachineName: hostname,
	})
	if err != nil {
		panic(err)
	}
	defer client.Close()

	var writer io.Writer = os.Stdout

	switch command {
	case "cat":
		data, err := client.ReadFileAll(path, writer)
		if err != nil {
			panic(err)
		}
		fmt.Printf("Read %d bytes\n", data)
		break
	case "ls":
		entries, err := client.GetFileList(path)
		if err != nil {
			panic(err)
		}
		for _, entry := range entries {
			fmt.Printf("%s\n", entry.Name)
		}
		break
	case "file":
		info, err := client.GetFileInfo(path)
		if err != nil {
			panic(err)
		}
		fmt.Printf("File info: %+v\n", info)
		break
	}
}