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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| // Copyright (c) 2015-2023 MinIO, Inc. | ||
| // | ||
| // This file is part of MinIO Object Storage stack | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "time" | ||
|
|
||
| tea "github.com/charmbracelet/bubbletea" | ||
| "github.com/minio/cli" | ||
| "github.com/minio/madmin-go/v3" | ||
| "github.com/minio/mc/pkg/probe" | ||
| ) | ||
|
|
||
| var supportTopNetFlags = []cli.Flag{ | ||
| cli.IntFlag{ | ||
| Name: "count, c", | ||
| Usage: "show top count interfaces", | ||
| Value: 10, | ||
| }, | ||
| cli.IntFlag{ | ||
| Name: "interval", | ||
| Usage: "interval between requests in seconds", | ||
| Value: 1, | ||
| }, | ||
| } | ||
|
|
||
| var supportTopNetCmd = cli.Command{ | ||
| Name: "net", | ||
| Aliases: []string{"network"}, | ||
| HiddenAliases: true, | ||
| Usage: "show real-time net metrics", | ||
| Action: mainSupportTopNet, | ||
| OnUsageError: onUsageError, | ||
| Before: setGlobalsFromContext, | ||
| Flags: append(supportTopNetFlags, supportGlobalFlags...), | ||
| HideHelpCommand: true, | ||
| CustomHelpTemplate: `NAME: | ||
| {{.HelpName}} - {{.Usage}} | ||
| USAGE: | ||
| {{.HelpName}} [FLAGS] TARGET | ||
| FLAGS: | ||
| {{range .VisibleFlags}}{{.}} | ||
| {{end}} | ||
| EXAMPLES: | ||
| 1. Display net metrics | ||
| {{.Prompt}} {{.HelpName}} myminio/ | ||
| `, | ||
| } | ||
|
|
||
| // checkSupportTopNetSyntax - validate all the passed arguments | ||
| func checkSupportTopNetSyntax(ctx *cli.Context) { | ||
| if len(ctx.Args()) == 0 || len(ctx.Args()) > 1 { | ||
| showCommandHelpAndExit(ctx, 1) // last argument is exit code | ||
| } | ||
| } | ||
|
|
||
| func mainSupportTopNet(ctx *cli.Context) error { | ||
| checkSupportTopNetSyntax(ctx) | ||
|
|
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| aliasedURL := ctx.Args().Get(0) | ||
| alias, _ := url2Alias(aliasedURL) | ||
| validateClusterRegistered(alias, false) | ||
|
|
||
| // Create a new MinIO Admin Client | ||
| client, err := newAdminClient(aliasedURL) | ||
| if err != nil { | ||
| fatalIf(err.Trace(aliasedURL), "Unable to initialize admin client.") | ||
| return nil | ||
| } | ||
|
|
||
| ctxt, cancel := context.WithCancel(globalContext) | ||
| defer cancel() | ||
|
|
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| _, e := client.ServerInfo(ctxt) | ||
| fatalIf(probe.NewError(e).Trace(aliasedURL), "Unable to initialize admin client.") | ||
|
|
||
| // MetricsOptions are options provided to Metrics call. | ||
| opts := madmin.MetricsOptions{ | ||
| Type: madmin.MetricNet, | ||
| Interval: time.Duration(ctx.Int("interval")) * time.Second, | ||
| ByHost: true, | ||
| N: ctx.Int("count"), | ||
| } | ||
|
|
||
| p := tea.NewProgram(initTopNetUI()) | ||
| go func() { | ||
| if globalJSON { | ||
| e := client.Metrics(ctxt, opts, func(metrics madmin.RealtimeMetrics) { | ||
| printMsg(metricsMessage{RealtimeMetrics: metrics}) | ||
| }) | ||
| if e != nil && !errors.Is(e, context.Canceled) { | ||
| fatalIf(probe.NewError(e).Trace(aliasedURL), "Unable to fetch scanner metrics") | ||
| } | ||
| } else { | ||
| out := func(m madmin.RealtimeMetrics) { | ||
| for endPoint, metric := range m.ByHost { | ||
| if metric.Net != nil { | ||
| p.Send(topNetResult{ | ||
| endPoint: endPoint, | ||
| stats: *metric.Net, | ||
| }) | ||
| } | ||
| } | ||
| if len(m.Errors) != 0 && len(m.Hosts) != 0 { | ||
| p.Send(topNetResult{ | ||
| endPoint: m.Hosts[0], | ||
| error: m.Errors[0], | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| e := client.Metrics(ctxt, opts, out) | ||
| if e != nil { | ||
| fatalIf(probe.NewError(e), "Unable to fetch top net events") | ||
| } | ||
| } | ||
| p.Quit() | ||
| }() | ||
|
|
||
| if _, e := p.Run(); e != nil { | ||
| cancel() | ||
| fatalIf(probe.NewError(e).Trace(aliasedURL), "Unable to fetch top net events") | ||
| } | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| // Copyright (c) 2015-2022 MinIO, Inc. | ||
| // | ||
| // This file is part of MinIO Object Storage stack | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sort" | ||
| "strings" | ||
|
|
||
| "github.com/charmbracelet/bubbles/spinner" | ||
| tea "github.com/charmbracelet/bubbletea" | ||
| "github.com/charmbracelet/lipgloss" | ||
| "github.com/dustin/go-humanize" | ||
| "github.com/minio/madmin-go/v3" | ||
| "github.com/olekukonko/tablewriter" | ||
| ) | ||
|
|
||
| type topNetUI struct { | ||
| spinner spinner.Model | ||
| quitting bool | ||
|
|
||
| sortAsc bool | ||
|
|
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| currTopMap map[string]topNetResult | ||
| } | ||
|
|
||
| type topNetResult struct { | ||
| final bool | ||
| endPoint string | ||
| error string | ||
| stats madmin.NetMetrics | ||
| } | ||
|
|
||
| func (t topNetResult) GetTotalBytes() uint64 { | ||
| return t.stats.NetStats.RxBytes + t.stats.NetStats.TxBytes | ||
| } | ||
|
|
||
| func (m *topNetUI) Init() tea.Cmd { | ||
| return m.spinner.Tick | ||
| } | ||
|
|
||
| func (m *topNetUI) Update(msg tea.Msg) (tea.Model, tea.Cmd) { | ||
| switch msg := msg.(type) { | ||
| case tea.KeyMsg: | ||
| switch msg.String() { | ||
| case "ctrl+c", "q", "esc": | ||
| m.quitting = true | ||
| return m, tea.Quit | ||
| } | ||
| return m, nil | ||
| case topNetResult: | ||
| m.currTopMap[msg.endPoint] = msg | ||
| if msg.final { | ||
| m.quitting = true | ||
| return m, tea.Quit | ||
| } | ||
| return m, nil | ||
|
|
||
| case spinner.TickMsg: | ||
| var cmd tea.Cmd | ||
| m.spinner, cmd = m.spinner.Update(msg) | ||
| return m, cmd | ||
| default: | ||
| return m, nil | ||
| } | ||
| } | ||
|
|
||
| func (m *topNetUI) View() string { | ||
| var s strings.Builder | ||
| // Set table header | ||
| table := tablewriter.NewWriter(&s) | ||
| table.SetAutoWrapText(false) | ||
| table.SetAutoFormatHeaders(true) | ||
| table.SetHeaderAlignment(tablewriter.ALIGN_CENTER) | ||
| table.SetAlignment(tablewriter.ALIGN_CENTER) | ||
| table.SetCenterSeparator("") | ||
| table.SetColumnSeparator("") | ||
| table.SetRowSeparator("") | ||
| table.SetHeaderLine(false) | ||
| table.SetBorder(false) | ||
| table.SetTablePadding("\t") // pad with tabs | ||
| table.SetNoWhiteSpace(true) | ||
| table.SetHeader([]string{"SERVER", "INTERFACE", "RECEIVE", "TRANSMIT", ""}) | ||
|
|
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| data := make([]topNetResult, 0, len(m.currTopMap)) | ||
|
|
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| for _, metric := range m.currTopMap { | ||
| data = append(data, metric) | ||
| } | ||
|
|
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| sort.Slice(data, func(i, j int) bool { | ||
| if m.sortAsc { | ||
| return data[i].GetTotalBytes() < data[j].GetTotalBytes() | ||
| } | ||
| return data[i].GetTotalBytes() >= data[j].GetTotalBytes() | ||
| }) | ||
|
|
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| dataRender := make([][]string, 0, len(data)) | ||
| for _, d := range data { | ||
| if d.error == "" { | ||
| dataRender = append(dataRender, []string{ | ||
| d.endPoint, | ||
| whiteStyle.Render(d.stats.InterfaceName), | ||
| whiteStyle.Render(fmt.Sprintf("%s/s", humanize.IBytes(d.stats.NetStats.RxBytes))), | ||
| whiteStyle.Render(fmt.Sprintf("%s/s", humanize.IBytes(d.stats.NetStats.TxBytes))), | ||
| "", | ||
| }) | ||
| } else { | ||
| dataRender = append(dataRender, []string{ | ||
| d.endPoint, | ||
| whiteStyle.Render(d.stats.NetStats.Name), | ||
| crossTickCell, | ||
| crossTickCell, | ||
| d.error, | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| table.AppendBulk(dataRender) | ||
| table.Render() | ||
| return s.String() | ||
| } | ||
|
|
||
| func initTopNetUI() *topNetUI { | ||
| s := spinner.New() | ||
| s.Spinner = spinner.Points | ||
| s.Style = lipgloss.NewStyle().Foreground(lipgloss.Color("205")) | ||
| return &topNetUI{ | ||
| spinner: s, | ||
| currTopMap: make(map[string]topNetResult), | ||
| } | ||
| } |
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