diagnostics: added flags to report (erigontech#11548)

- added flags which was applied to run command to report

cmd/diag/sysinfo/sysinfo.go

@@ -61,6 +61,13 @@ var Command = cli.Command{
 	Description: "Collect information about system and save it to file in order to provide to support person",
 }
 
+type Flag struct {
+	Name    string      `json:"name"`
+	Value   interface{} `json:"value"`
+	Usage   string      `json:"usage"`
+	Default bool        `json:"default"`
+}
+
 type SortType int
 
 const (
@@ -75,11 +82,19 @@ func collectInfo(cliCtx *cli.Context) error {
 		util.RenderError(err)
 	}
 
+	flagsData, err := getFlagsData(cliCtx)
+	if err != nil {
+		util.RenderError(err)
+	}
+
 	cpuusage := sysutils.CPUUsage()
 	processes := sysutils.GetProcessesInfo()
 	totalMemory := sysutils.TotalMemoryUsage()
 
 	var builder strings.Builder
+	builder.WriteString("Flags applied by launch command:\n")
+	writeFlagsInfoToStringBuilder(flagsData, &builder)
+	builder.WriteString("\n\n")
 
 	writeDiskInfoToStringBuilder(data.Disk, &builder)
 	writeCPUInfoToStringBuilder(data.CPU, cpuusage, &builder)
@@ -95,6 +110,15 @@ func collectInfo(cliCtx *cli.Context) error {
 	return nil
 }
 
+func writeFlagsInfoToStringBuilder(flags []Flag, builder *strings.Builder) {
+	flagsRows := make([]table.Row, 0, len(flags))
+	for _, flag := range flags {
+		flagsRows = append(flagsRows, table.Row{flag.Name, flag.Value})
+	}
+	flagsTableData := util.ExportTable(table.Row{"Flag", "Value"}, flagsRows, nil)
+	builder.WriteString(flagsTableData)
+}
+
 func writeDiskInfoToStringBuilder(diskInfo diagnostics.DiskInfo, builder *strings.Builder) {
 	builder.WriteString("Disk info:\n")
 	builder.WriteString(diskInfo.Details)
@@ -190,3 +214,31 @@ func getData(cliCtx *cli.Context) (diagnostics.HardwareInfo, error) {
 
 	return data, nil
 }
+
+func getFlagsData(cliCtx *cli.Context) ([]Flag, error) {
+	var rawData map[string]map[string]interface{}
+	url := "http://" + cliCtx.String(flags.DebugURLFlag.Name) + flags.ApiPath + "/flags"
+
+	err := util.MakeHttpGetCall(cliCtx.Context, url, &rawData)
+
+	if err != nil {
+		return nil, err
+	}
+
+	flagItems := make([]Flag, 0, len(rawData))
+	for name, item := range rawData {
+		if item["default"].(bool) {
+			continue
+		}
+
+		flagItem := Flag{
+			Name:    name,
+			Value:   item["value"],
+			Usage:   item["usage"].(string),
+			Default: item["default"].(bool),
+		}
+		flagItems = append(flagItems, flagItem)
+	}
+
+	return flagItems, nil
+}