improve UI for netperf inspired from object perf test (#4117)

Refer for the behavior https://asciinema.org/a/501270

cmd/speedtest-spinner.go

@@ -19,6 +19,7 @@ package cmd
 
 import (
 	"fmt"
+	"sort"
 	"strings"
 
 	"github.com/charmbracelet/bubbles/spinner"
@@ -41,7 +42,8 @@ type speedTestUI struct {
 
 type speedTestResult struct {
 	final   bool
-	result madmin.SpeedTestResult
+	result  *madmin.SpeedTestResult
+	nresult *madmin.NetperfResult
 }
 
 func initSpeedTestUI() *speedTestUI {
@@ -100,8 +102,11 @@ func (m *speedTestUI) View() string {
 	table.SetBorder(false)
 	table.SetTablePadding("\t") // pad with tabs
 	table.SetNoWhiteSpace(true)
-	res := m.result.result
 
+	res := m.result.result
+	nres := m.result.nresult
+
+	if res != nil {
 		table.SetHeader([]string{"", "Throughput", "IOPS"})
 		data := make([][]string, 2)
 
@@ -131,9 +136,7 @@ func (m *speedTestUI) View() string {
 		table.AppendBulk(data)
 		table.Render()
 
-	if !m.quitting {
-		s.WriteString(fmt.Sprintf("\nSpeedtest: %s", m.spinner.View()))
-	} else {
+		if m.quitting {
 			s.WriteString(fmt.Sprintf("\nSpeedtest: %s", m.result.String()))
 			if vstr := m.result.StringVerbose(); vstr != "" {
 				s.WriteString(vstr)
@@ -141,5 +144,45 @@ func (m *speedTestUI) View() string {
 				s.WriteString("\n")
 			}
 		}
+	} else if nres != nil {
+		table.SetHeader([]string{"Node", "RX", "TX", ""})
+		data := make([][]string, 0, len(nres.NodeResults))
+
+		for _, nodeResult := range nres.NodeResults {
+			if nodeResult.Error != "" {
+				data = append(data, []string{
+					nodeResult.Endpoint,
+					"✗",
+					"✗",
+					"Err: " + nodeResult.Error,
+				})
+			} else {
+				data = append(data, []string{
+					nodeResult.Endpoint,
+					humanize.IBytes(uint64(nodeResult.RX)),
+					humanize.IBytes(uint64(nodeResult.TX)),
+					"✔",
+				})
+			}
+		}
+
+		sort.Slice(data, func(i, j int) bool {
+			return data[i][0] < data[j][0]
+		})
+
+		table.AppendBulk(data)
+		table.Render()
+
+		if m.quitting {
+			s.WriteString("\nNetperf: ✔\n")
+		}
+	}
+	if !m.quitting {
+		if nres != nil {
+			s.WriteString(fmt.Sprintf("\nNetperf: %s", m.spinner.View()))
+		} else if res != nil {
+			s.WriteString(fmt.Sprintf("\nSpeedtest: %s", m.spinner.View()))
+		}
+	}
 	return s.String()
 }

cmd/support-perf-net.go

@@ -19,12 +19,10 @@ package cmd
 
 import (
 	"context"
-	"fmt"
-	"strings"
+	"os"
 	"time"
 
-	"github.com/briandowns/spinner"
-	humanize "github.com/dustin/go-humanize"
+	tea "github.com/charmbracelet/bubbletea"
 	"github.com/minio/cli"
 	json "github.com/minio/colorjson"
 	"github.com/minio/madmin-go"
@@ -34,15 +32,8 @@ import (
 type netperfResult madmin.NetperfResult
 
 func (m netperfResult) String() (msg string) {
-	for _, r := range m.NodeResults {
-		msg += fmt.Sprintf("%s TX: %s/s RX: %s/s", r.Endpoint, humanize.IBytes(uint64(r.TX)), humanize.IBytes(uint64(r.RX)))
-		if r.Error != "" {
-			msg += " Error: " + r.Error
-		}
-		msg += "\n"
-	}
-	msg = strings.TrimSuffix(msg, "\n")
-	return msg
+	// string version is handled by banner.
+	return ""
 }
 
 func (m netperfResult) JSON() string {
@@ -71,15 +62,54 @@ func mainAdminSpeedtestNetperf(ctx *cli.Context, aliasedURL string) error {
 		return nil
 	}
 
-	s := spinner.New(spinner.CharSets[14], 100*time.Millisecond)
-
-	if !globalJSON {
-		s.Start()
-	}
-
+	resultCh := make(chan madmin.NetperfResult)
+	go func() {
 		result, err := client.Netperf(ctxt, duration)
-	s.Stop()
-	fatalIf(probe.NewError(err), "Failed to execute netperf")
+		fatalIf(probe.NewError(err), "Unable to capture network perf results")
+
+		resultCh <- result
+		close(resultCh)
+	}()
+
+	if globalJSON {
+		for {
+			select {
+			case result := <-resultCh:
 				printMsg(netperfResult(result))
+				return nil
+			}
+		}
+	}
+
+	done := make(chan struct{})
+
+	p := tea.NewProgram(initSpeedTestUI())
+	go func() {
+		if e := p.Start(); e != nil {
+			os.Exit(1)
+		}
+		close(done)
+	}()
+
+	go func() {
+		for {
+			select {
+			case result := <-resultCh:
+				p.Send(speedTestResult{
+					nresult: &result,
+					final:   true,
+				})
+				return
+			default:
+				p.Send(speedTestResult{
+					nresult: &madmin.NetperfResult{},
+				})
+				time.Sleep(100 * time.Millisecond)
+			}
+		}
+	}()
+
+	<-done
+
 	return nil
 }

cmd/support-perf.go

@@ -105,7 +105,6 @@ EXAMPLES:
 
   5. Run network throughput test:
      {{.Prompt}} {{.HelpName}} net myminio
-
 `,
 }
 
@@ -231,7 +230,7 @@ func mainSupportPerf(ctx *cli.Context) error {
 				continue
 			}
 			printMsg(speedTestResult{
-				result: result,
+				result: &result,
 			})
 		}
 		return nil
@@ -250,15 +249,12 @@ func mainSupportPerf(ctx *cli.Context) error {
 	go func() {
 		var result madmin.SpeedTestResult
 		for result = range resultCh {
-			if result.Version == "" {
-				continue
-			}
 			p.Send(speedTestResult{
-				result: result,
+				result: &result,
 			})
 		}
 		p.Send(speedTestResult{
-			result: result,
+			result: &result,
 			final:  true,
 		})
 	}()