1Panel/backend/app/service/dashboard.go

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package service
import (
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"encoding/json"
"fmt"
"strings"
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"time"
"github.com/1Panel-dev/1Panel/backend/app/dto"
"github.com/1Panel-dev/1Panel/backend/global"
"github.com/1Panel-dev/1Panel/backend/utils/cmd"
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"github.com/shirou/gopsutil/v3/cpu"
"github.com/shirou/gopsutil/v3/disk"
"github.com/shirou/gopsutil/v3/host"
"github.com/shirou/gopsutil/v3/load"
"github.com/shirou/gopsutil/v3/mem"
"github.com/shirou/gopsutil/v3/net"
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)
type DashboardService struct{}
type IDashboardService interface {
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LoadBaseInfo(ioOption string, netOption string) (*dto.DashboardBase, error)
LoadCurrentInfo(ioOption string, netOption string) *dto.DashboardCurrent
Restart(operation string) error
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}
func NewIDashboardService() IDashboardService {
return &DashboardService{}
}
func (u *DashboardService) Restart(operation string) error {
if operation != "1panel" && operation != "system" {
return fmt.Errorf("handle restart operation %s failed, err: nonsupport such operation", operation)
}
itemCmd := fmt.Sprintf("%s 1pctl restart", cmd.SudoHandleCmd())
if operation == "system" {
itemCmd = fmt.Sprintf("%s reboot", cmd.SudoHandleCmd())
}
go func() {
stdout, err := cmd.Exec(itemCmd)
if err != nil {
global.LOG.Errorf("handle %s failed, err: %v", itemCmd, stdout)
}
}()
return nil
}
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func (u *DashboardService) LoadBaseInfo(ioOption string, netOption string) (*dto.DashboardBase, error) {
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var baseInfo dto.DashboardBase
hostInfo, err := host.Info()
if err != nil {
return nil, err
}
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baseInfo.Hostname = hostInfo.Hostname
baseInfo.OS = hostInfo.OS
baseInfo.Platform = hostInfo.Platform
baseInfo.PlatformFamily = hostInfo.PlatformFamily
baseInfo.PlatformVersion = hostInfo.PlatformVersion
baseInfo.KernelArch = hostInfo.KernelArch
baseInfo.KernelVersion = hostInfo.KernelVersion
ss, _ := json.Marshal(hostInfo)
baseInfo.VirtualizationSystem = string(ss)
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appInstall, err := appInstallRepo.ListBy()
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if err != nil {
return nil, err
}
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baseInfo.AppInstalledNumber = len(appInstall)
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dbs, err := mysqlRepo.List()
if err != nil {
return nil, err
}
baseInfo.DatabaseNumber = len(dbs)
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website, err := websiteRepo.GetBy()
if err != nil {
return nil, err
}
baseInfo.WebsiteNumber = len(website)
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cronjobs, err := cronjobRepo.List()
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if err != nil {
return nil, err
}
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baseInfo.CronjobNumber = len(cronjobs)
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cpuInfo, err := cpu.Info()
if err == nil {
baseInfo.CPUModelName = cpuInfo[0].ModelName
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}
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baseInfo.CPUCores, _ = cpu.Counts(false)
baseInfo.CPULogicalCores, _ = cpu.Counts(true)
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baseInfo.CurrentInfo = *u.LoadCurrentInfo(ioOption, netOption)
return &baseInfo, nil
}
func (u *DashboardService) LoadCurrentInfo(ioOption string, netOption string) *dto.DashboardCurrent {
var currentInfo dto.DashboardCurrent
hostInfo, _ := host.Info()
currentInfo.Uptime = hostInfo.Uptime
currentInfo.TimeSinceUptime = time.Now().Add(-time.Duration(hostInfo.Uptime) * time.Second).Format("2006-01-02 15:04:05")
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currentInfo.Procs = hostInfo.Procs
currentInfo.CPUTotal, _ = cpu.Counts(true)
totalPercent, _ := cpu.Percent(0, false)
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if len(totalPercent) == 1 {
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currentInfo.CPUUsedPercent = totalPercent[0]
currentInfo.CPUUsed = currentInfo.CPUUsedPercent * 0.01 * float64(currentInfo.CPUTotal)
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}
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currentInfo.CPUPercent, _ = cpu.Percent(0, true)
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loadInfo, _ := load.Avg()
currentInfo.Load1 = loadInfo.Load1
currentInfo.Load5 = loadInfo.Load5
currentInfo.Load15 = loadInfo.Load15
currentInfo.LoadUsagePercent = loadInfo.Load1 / (float64(currentInfo.CPUTotal*2) * 0.75) * 100
memoryInfo, _ := mem.VirtualMemory()
currentInfo.MemoryTotal = memoryInfo.Total
currentInfo.MemoryAvailable = memoryInfo.Available
currentInfo.MemoryUsed = memoryInfo.Used
currentInfo.MemoryUsedPercent = memoryInfo.UsedPercent
currentInfo.DiskData = loadDiskInfo()
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if ioOption == "all" {
diskInfo, _ := disk.IOCounters()
for _, state := range diskInfo {
currentInfo.IOReadBytes += state.ReadBytes
currentInfo.IOWriteBytes += state.WriteBytes
currentInfo.IOCount += (state.ReadCount + state.WriteCount)
currentInfo.IOReadTime += state.ReadTime
currentInfo.IOWriteTime += state.WriteTime
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}
} else {
diskInfo, _ := disk.IOCounters(ioOption)
for _, state := range diskInfo {
currentInfo.IOReadBytes += state.ReadBytes
currentInfo.IOWriteBytes += state.WriteBytes
currentInfo.IOCount += (state.ReadCount + state.WriteCount)
currentInfo.IOReadTime += state.ReadTime
currentInfo.IOWriteTime += state.WriteTime
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}
}
if netOption == "all" {
netInfo, _ := net.IOCounters(false)
if len(netInfo) != 0 {
currentInfo.NetBytesSent = netInfo[0].BytesSent
currentInfo.NetBytesRecv = netInfo[0].BytesRecv
}
} else {
netInfo, _ := net.IOCounters(true)
for _, state := range netInfo {
if state.Name == netOption {
currentInfo.NetBytesSent = state.BytesSent
currentInfo.NetBytesRecv = state.BytesRecv
}
}
}
currentInfo.ShotTime = time.Now()
return &currentInfo
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}
type diskInfo struct {
Type string
Mount string
Device string
}
func loadDiskInfo() []dto.DiskInfo {
var datas []dto.DiskInfo
stdout, err := cmd.Exec("df -hT -P|grep '/'|grep -v tmpfs|grep -v 'snap/core'|grep -v udev")
if err != nil {
return datas
}
lines := strings.Split(stdout, "\n")
var mounts []diskInfo
var excludes = []string{"/mnt/cdrom", "/boot", "/boot/efi", "/dev", "/dev/shm", "/run/lock", "/run", "/run/shm", "/run/user"}
for _, line := range lines {
fields := strings.Fields(line)
if len(fields) < 7 {
continue
}
if fields[1] == "tmpfs" {
continue
}
if strings.Contains(fields[2], "M") || strings.Contains(fields[2], "K") {
continue
}
if strings.Contains(fields[6], "docker") {
continue
}
isExclude := false
for _, exclude := range excludes {
if exclude == fields[6] {
isExclude = true
}
}
if isExclude {
continue
}
mounts = append(mounts, diskInfo{Type: fields[1], Device: fields[0], Mount: fields[6]})
}
for i := 0; i < len(mounts); i++ {
state, err := disk.Usage(mounts[i].Mount)
if err != nil {
continue
}
var itemData dto.DiskInfo
itemData.Path = mounts[i].Mount
itemData.Type = mounts[i].Type
itemData.Device = mounts[i].Device
itemData.Total = state.Total
itemData.Free = state.Free
itemData.Used = state.Used
itemData.UsedPercent = state.UsedPercent
itemData.InodesTotal = state.InodesTotal
itemData.InodesUsed = state.InodesUsed
itemData.InodesFree = state.InodesFree
itemData.InodesUsedPercent = state.InodesUsedPercent
datas = append(datas, itemData)
}
return datas
}