Merge pull request #66 from ClarkChenc/add_fingerprint_cmd

Add fingerprint cmd

cmd/geth/fingerprintcmd.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"fmt"
+	"math"
+
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	"github.com/ethereum/go-ethereum/params"
+	"github.com/shirou/gopsutil/cpu"
+	"github.com/shirou/gopsutil/disk"
+	"github.com/shirou/gopsutil/host"
+	"github.com/shirou/gopsutil/mem"
+	"gopkg.in/urfave/cli.v1"
+)
+
+var (
+	fingerprintCommand = cli.Command{
+		Name:      "fingerprint",
+		Usage:     "Display the system fingerprint",
+		ArgsUsage: "",
+		Action:    utils.MigrateFlags(showFingerprint),
+		Category:  "FINGERPRINT COMMANDS",
+	}
+)
+
+func getCoresCount(cp []cpu.InfoStat) int {
+	cores := 0
+	for i := 0; i < len(cp); i++ {
+		cores += int(cp[i].Cores)
+	}
+	return cores
+}
+
+// Run implements the cli.Command interface
+func showFingerprint(_ *cli.Context) error {
+	v, _ := mem.VirtualMemory()
+	h, _ := host.Info()
+	cp, _ := cpu.Info()
+	d, _ := disk.Usage("/")
+
+	osName := h.OS
+	osVer := h.Platform + " - " + h.PlatformVersion + " - " + h.KernelArch
+	totalMem := math.Floor(float64(v.Total)/(1024*1024*1024)*100) / 100
+	availableMem := math.Floor(float64(v.Available)/(1024*1024*1024)*100) / 100
+	usedMem := math.Floor(float64(v.Used)/(1024*1024*1024)*100) / 100
+	totalDisk := math.Floor(float64(d.Total)/(1024*1024*1024)*100) / 100
+	availableDisk := math.Floor(float64(d.Free)/(1024*1024*1024)*100) / 100
+	usedDisk := math.Floor(float64(d.Used)/(1024*1024*1024)*100) / 100
+
+	borDetails := fmt.Sprintf("Bor Version : %s", params.VersionWithMeta)
+	cpuDetails := fmt.Sprintf("CPU : %d cores", getCoresCount(cp))
+	osDetails := fmt.Sprintf("OS : %s %s ", osName, osVer)
+	memDetails := fmt.Sprintf("RAM :: total : %v GB, free : %v GB, used : %v GB", totalMem, availableMem, usedMem)
+	diskDetails := fmt.Sprintf("STORAGE :: total : %v GB, free : %v GB, used : %v GB", totalDisk, availableDisk, usedDisk)
+
+	fmt.Println(borDetails)
+	fmt.Println(cpuDetails)
+	fmt.Println(osDetails)
+	fmt.Println(memDetails)
+	fmt.Println(diskDetails)
+	return nil
+}

cmd/geth/main.go

@@ -241,6 +241,7 @@ func init() {
 		utils.ShowDeprecated,
 		// See snapshot.go
 		snapshotCommand,
+		fingerprintCommand,
 	}
 	sort.Sort(cli.CommandsByName(app.Commands))