diagnostics: updated sys info to include CPU stats (#11497) (#11561)

- Added CPU overall info to report file Example output:
![Screenshot 2024-08-06 at 09 07

51](https://github.com/user-attachments/assets/834c3f48-ec37-48ea-8688-ee6ea00186a4)

cmd/diag/sysinfo/sysinfo.go

@@ -0,0 +1,144 @@
+// Copyright 2024 The Erigon Authors
+// This file is part of Erigon.
+//
+// Erigon is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Erigon 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with Erigon. If not, see <http://www.gnu.org/licenses/>.
+
+package sysinfo
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/urfave/cli/v2"
+
+	"github.com/ledgerwatch/erigon-lib/diagnostics"
+	"github.com/ledgerwatch/erigon/cmd/diag/flags"
+	"github.com/ledgerwatch/erigon/cmd/diag/util"
+)
+
+var (
+	ExportPathFlag = cli.StringFlag{
+		Name:     "export.path",
+		Aliases:  []string{"ep"},
+		Usage:    "Path to folder for export result",
+		Required: true,
+		Value:    "",
+	}
+
+	ExportFileNameFlag = cli.StringFlag{
+		Name:     "export.file",
+		Aliases:  []string{"ef"},
+		Usage:    "File name to export result default is sysinfo.txt",
+		Required: false,
+		Value:    "sysinfo.txt",
+	}
+)
+
+var Command = cli.Command{
+	Name:      "sysinfo",
+	Aliases:   []string{"sinfo"},
+	ArgsUsage: "",
+	Action:    collectInfo,
+	Flags: []cli.Flag{
+		&flags.DebugURLFlag,
+		&ExportPathFlag,
+		&ExportFileNameFlag,
+	},
+	Description: "Collect information about system and save it to file in order to provide to support person",
+}
+
+func collectInfo(cliCtx *cli.Context) error {
+	data, err := getData(cliCtx)
+	if err != nil {
+		util.RenderError(err)
+	}
+
+	var builder strings.Builder
+	builder.WriteString("Disk info:\n")
+	builder.WriteString(data.Disk.Details)
+	builder.WriteString("\n\n")
+	builder.WriteString("CPU info:\n")
+	writeCPUToStringBuilder(data.CPU, &builder)
+
+	// Save data to file
+	err = util.SaveDataToFile(cliCtx.String(ExportPathFlag.Name), cliCtx.String(ExportFileNameFlag.Name), builder.String())
+	if err != nil {
+		util.RenderError(err)
+	}
+
+	return nil
+}
+
+func writeCPUToStringBuilder(cpuInfo []diagnostics.CPUInfo, builder *strings.Builder) {
+	spacing := calculateSpacing([]string{"CPU", "VendorID", "Family", "Model", "Stepping", "PhysicalID", "CoreID", "Cores", "ModelName", "Mhz", "CacheSize", "Flags", "Microcode"})
+
+	for _, cpu := range cpuInfo {
+		writeStringToBuilder(builder, "CPU", strconv.Itoa(int(cpu.CPU)), spacing)
+		writeStringToBuilder(builder, "VendorID", cpu.VendorID, spacing)
+		writeStringToBuilder(builder, "Family", cpu.Family, spacing)
+		writeStringToBuilder(builder, "Model", cpu.Model, spacing)
+		writeStringToBuilder(builder, "Stepping", strconv.Itoa(int(cpu.Stepping)), spacing)
+		writeStringToBuilder(builder, "PhysicalID", cpu.PhysicalID, spacing)
+		writeStringToBuilder(builder, "CoreID", cpu.CoreID, spacing)
+		writeStringToBuilder(builder, "Cores", strconv.Itoa(int(cpu.Cores)), spacing)
+		writeStringToBuilder(builder, "ModelName", cpu.ModelName, spacing)
+		writeStringToBuilder(builder, "Mhz", fmt.Sprintf("%g", cpu.Mhz), spacing)
+		writeStringToBuilder(builder, "CacheSize", strconv.Itoa(int(cpu.CacheSize)), spacing)
+		writeStringToBuilder(builder, "Flags", strings.Join(cpu.Flags, ", "), spacing)
+		writeStringToBuilder(builder, "Microcode", cpu.Microcode, spacing)
+	}
+}
+
+func calculateSpacing(keysArray []string) int {
+	max := 0
+	for _, key := range keysArray {
+		if len(key) > max {
+			max = len(key)
+		}
+	}
+
+	return max + 3
+}
+
+func writeStringToBuilder(result *strings.Builder, name string, value string, spacing int) {
+	marging := 3
+	if value == "" {
+		value = "N/A"
+	}
+
+	writeSpacesToBuilder(result, marging)
+	result.WriteString(name)
+	result.WriteString(":")
+	writeSpacesToBuilder(result, spacing-len(name)-1)
+	result.WriteString(value)
+	result.WriteString("\n")
+}
+
+func writeSpacesToBuilder(result *strings.Builder, spaces int) {
+	result.WriteString(strings.Repeat(" ", spaces))
+}
+
+func getData(cliCtx *cli.Context) (diagnostics.HardwareInfo, error) {
+	var data diagnostics.HardwareInfo
+	url := "http://" + cliCtx.String(flags.DebugURLFlag.Name) + flags.ApiPath + "/hardware-info"
+
+	err := util.MakeHttpGetCall(cliCtx.Context, url, &data)
+
+	if err != nil {
+		return data, err
+	}
+
+	return data, nil
+}

cmd/diag/util/util.go

@@ -95,3 +95,36 @@ func RenderError(err error) {
 	txt := text.Colors{text.FgWhite, text.BgRed}
 	fmt.Printf("%s %s\n", txt.Sprint("[ERROR]"), err)
 }
+
+func SaveDataToFile(filePath string, fileName string, data string) error {
+	//check is folder exists
+	if _, err := os.Stat(filePath); os.IsNotExist(err) {
+		err := os.MkdirAll(filePath, 0755)
+		if err != nil {
+			return err
+		}
+	}
+
+	fullPath := MakePath(filePath, fileName)
+
+	file, err := os.Create(fullPath)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	_, err = file.WriteString(fmt.Sprintf("%v\n", data))
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func MakePath(filePath string, fileName string) string {
+	if filePath[len(filePath)-1] == '/' {
+		filePath = filePath[:len(filePath)-1]
+	}
+
+	return fmt.Sprintf("%s/%s", filePath, fileName)
+}