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448 lines
11 KiB
448 lines
11 KiB
package service
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import (
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"bufio"
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"errors"
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"fmt"
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"net"
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"os"
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"path"
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"strconv"
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"strings"
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"time"
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"github.com/1Panel-dev/1Panel/agent/app/dto"
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"github.com/1Panel-dev/1Panel/agent/buserr"
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"github.com/1Panel-dev/1Panel/agent/constant"
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"github.com/1Panel-dev/1Panel/agent/global"
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"github.com/1Panel-dev/1Panel/agent/utils/cmd"
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"github.com/1Panel-dev/1Panel/agent/utils/common"
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"github.com/1Panel-dev/1Panel/agent/utils/ntp"
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"github.com/shirou/gopsutil/v3/mem"
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)
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const defaultDNSPath = "/etc/resolv.conf"
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const defaultHostPath = "/etc/hosts"
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const defaultFstab = "/etc/fstab"
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type DeviceService struct{}
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type IDeviceService interface {
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LoadBaseInfo() (dto.DeviceBaseInfo, error)
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Update(key, value string) error
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UpdateHosts(req []dto.HostHelper) error
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UpdatePasswd(req dto.ChangePasswd) error
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UpdateSwap(req dto.SwapHelper) error
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UpdateByConf(req dto.UpdateByNameAndFile) error
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LoadTimeZone() ([]string, error)
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CheckDNS(key, value string) (bool, error)
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LoadConf(name string) (string, error)
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LoadUsers() ([]string, error)
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Scan() dto.CleanData
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Clean(req []dto.Clean)
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CleanForCronjob() (string, error)
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}
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func NewIDeviceService() IDeviceService {
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return &DeviceService{}
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}
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func (u *DeviceService) LoadBaseInfo() (dto.DeviceBaseInfo, error) {
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var baseInfo dto.DeviceBaseInfo
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baseInfo.LocalTime = time.Now().Format("2006-01-02 15:04:05 MST -0700")
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baseInfo.TimeZone = common.LoadTimeZoneByCmd()
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baseInfo.DNS = loadDNS()
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baseInfo.Hosts = loadHosts()
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baseInfo.Hostname = loadHostname()
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baseInfo.User = loadUser()
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ntp, err := settingRepo.Get(settingRepo.WithByKey("NtpSite"))
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if err == nil {
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baseInfo.Ntp = ntp.Value
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}
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swapInfo, err := mem.SwapMemory()
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if err != nil {
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return baseInfo, err
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}
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baseInfo.SwapMemoryTotal = swapInfo.Total
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baseInfo.SwapMemoryAvailable = swapInfo.Free
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baseInfo.SwapMemoryUsed = swapInfo.Used
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if baseInfo.SwapMemoryTotal != 0 {
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baseInfo.SwapDetails = loadSwap()
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}
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disks := loadDiskInfo()
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for _, item := range disks {
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baseInfo.MaxSize += item.Free
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}
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return baseInfo, nil
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}
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func (u *DeviceService) LoadTimeZone() ([]string, error) {
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std, err := cmd.Exec("timedatectl list-timezones")
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if err != nil {
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return []string{}, err
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}
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return strings.Split(std, "\n"), nil
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}
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func (u *DeviceService) CheckDNS(key, value string) (bool, error) {
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content, err := os.ReadFile(defaultDNSPath)
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if err != nil {
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return false, err
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}
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defer func() { _ = u.UpdateByConf(dto.UpdateByNameAndFile{Name: "DNS", File: string(content)}) }()
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if key == "form" {
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if err := u.Update("DNS", value); err != nil {
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return false, err
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}
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} else {
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if err := u.UpdateByConf(dto.UpdateByNameAndFile{Name: "DNS", File: value}); err != nil {
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return false, err
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}
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}
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conn, err := net.DialTimeout("ip4:icmp", "www.baidu.com", time.Second*2)
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if err != nil {
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return false, err
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}
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defer conn.Close()
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return true, nil
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}
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func (u *DeviceService) Update(key, value string) error {
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switch key {
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case "TimeZone":
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if cmd.CheckIllegal(value) {
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return buserr.New(constant.ErrCmdIllegal)
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}
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if err := ntp.UpdateSystemTimeZone(value); err != nil {
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return err
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}
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go func() {
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_, err := cmd.Exec("systemctl restart 1panel.service")
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if err != nil {
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global.LOG.Errorf("restart system for new time zone failed, err: %v", err)
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}
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}()
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case "DNS":
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if err := updateDNS(strings.Split(value, ",")); err != nil {
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return err
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}
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case "Hostname":
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if cmd.CheckIllegal(value) {
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return buserr.New(constant.ErrCmdIllegal)
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}
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std, err := cmd.Execf("%s hostnamectl set-hostname %s", cmd.SudoHandleCmd(), value)
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if err != nil {
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return errors.New(std)
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}
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case "Ntp", "LocalTime":
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if cmd.CheckIllegal(value) {
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return buserr.New(constant.ErrCmdIllegal)
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}
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ntpValue := value
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if key == "LocalTime" {
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ntpItem, err := settingRepo.Get(settingRepo.WithByKey("NtpSite"))
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if err != nil {
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return err
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}
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ntpValue = ntpItem.Value
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} else {
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if err := settingRepo.Update("NtpSite", ntpValue); err != nil {
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return err
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}
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}
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ntime, err := ntp.GetRemoteTime(ntpValue)
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if err != nil {
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return err
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}
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ts := ntime.Format(constant.DateTimeLayout)
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if err := ntp.UpdateSystemTime(ts); err != nil {
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return err
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}
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default:
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return fmt.Errorf("not support such key %s", key)
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}
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return nil
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}
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func (u *DeviceService) LoadUsers() ([]string, error) {
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file, err := os.ReadFile("/etc/passwd")
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if err != nil {
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return nil, err
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}
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var users []string
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lines := strings.Split(string(file), "\n")
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for _, line := range lines {
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if strings.Contains(line, ":") {
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users = append(users, strings.Split(line, ":")[0])
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}
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}
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return users, nil
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}
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func (u *DeviceService) UpdateHosts(req []dto.HostHelper) error {
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conf, err := os.ReadFile(defaultHostPath)
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if err != nil {
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return fmt.Errorf("read namesever conf of %s failed, err: %v", defaultHostPath, err)
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}
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lines := strings.Split(string(conf), "\n")
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newFile := ""
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for _, line := range lines {
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if len(line) == 0 {
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continue
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}
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parts := strings.Fields(line)
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if len(parts) < 2 {
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newFile += line + "\n"
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continue
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}
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for index, item := range req {
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if item.IP == parts[0] && item.Host == strings.Join(parts[1:], " ") {
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newFile += line + "\n"
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req = append(req[:index], req[index+1:]...)
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break
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}
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}
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}
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for _, item := range req {
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newFile += fmt.Sprintf("%s %s \n", item.IP, item.Host)
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}
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file, err := os.OpenFile(defaultHostPath, os.O_WRONLY|os.O_TRUNC, 0640)
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if err != nil {
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return err
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}
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defer file.Close()
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write := bufio.NewWriter(file)
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_, _ = write.WriteString(newFile)
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write.Flush()
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return nil
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}
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func (u *DeviceService) UpdatePasswd(req dto.ChangePasswd) error {
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if cmd.CheckIllegal(req.User, req.Passwd) {
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return buserr.New(constant.ErrCmdIllegal)
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}
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std, err := cmd.Execf("%s echo '%s:%s' | %s chpasswd", cmd.SudoHandleCmd(), req.User, req.Passwd, cmd.SudoHandleCmd())
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if err != nil {
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if strings.Contains(err.Error(), "does not exist") {
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return buserr.New(constant.ErrNotExistUser)
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}
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return errors.New(std)
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}
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return nil
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}
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func (u *DeviceService) UpdateSwap(req dto.SwapHelper) error {
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if cmd.CheckIllegal(req.Path) {
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return buserr.New(constant.ErrCmdIllegal)
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}
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if !req.IsNew {
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std, err := cmd.Execf("%s swapoff %s", cmd.SudoHandleCmd(), req.Path)
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if err != nil {
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return fmt.Errorf("handle swapoff %s failed, err: %s", req.Path, std)
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}
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}
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if req.Size == 0 {
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if req.Path == path.Join(global.CONF.System.BaseDir, ".1panel_swap") {
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_ = os.Remove(path.Join(global.CONF.System.BaseDir, ".1panel_swap"))
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}
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return operateSwapWithFile(true, req)
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}
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std1, err := cmd.Execf("%s dd if=/dev/zero of=%s bs=1024 count=%d", cmd.SudoHandleCmd(), req.Path, req.Size)
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if err != nil {
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return fmt.Errorf("handle dd path %s failed, err: %s", req.Path, std1)
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}
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std2, err := cmd.Execf("%s mkswap -f %s", cmd.SudoHandleCmd(), req.Path)
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if err != nil {
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return fmt.Errorf("handle dd path %s failed, err: %s", req.Path, std2)
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}
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std3, err := cmd.Execf("%s swapon %s", cmd.SudoHandleCmd(), req.Path)
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if err != nil {
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_, _ = cmd.Execf("%s swapoff %s", cmd.SudoHandleCmd(), req.Path)
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return fmt.Errorf("handle dd path %s failed, err: %s", req.Path, std3)
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}
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return operateSwapWithFile(false, req)
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}
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func (u *DeviceService) LoadConf(name string) (string, error) {
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pathItem := ""
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switch name {
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case "DNS":
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pathItem = defaultDNSPath
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case "Hosts":
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pathItem = defaultHostPath
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default:
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return "", fmt.Errorf("not support such name %s", name)
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}
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if _, err := os.Stat(pathItem); err != nil {
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return "", err
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}
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content, err := os.ReadFile(pathItem)
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if err != nil {
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return "", err
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}
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return string(content), nil
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}
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func (u *DeviceService) UpdateByConf(req dto.UpdateByNameAndFile) error {
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if req.Name != "DNS" && req.Name != "Hosts" {
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return fmt.Errorf("not support such name %s", req.Name)
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}
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path := defaultDNSPath
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if req.Name == "Hosts" {
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path = defaultHostPath
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}
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file, err := os.OpenFile(path, os.O_WRONLY|os.O_TRUNC, 0640)
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if err != nil {
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return err
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}
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defer file.Close()
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write := bufio.NewWriter(file)
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_, _ = write.WriteString(req.File)
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write.Flush()
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return nil
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}
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func loadDNS() []string {
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var list []string
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dnsConf, err := os.ReadFile(defaultDNSPath)
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if err == nil {
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lines := strings.Split(string(dnsConf), "\n")
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for _, line := range lines {
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if strings.HasPrefix(line, "nameserver ") {
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list = append(list, strings.TrimPrefix(line, "nameserver "))
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}
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}
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}
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return list
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}
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func updateDNS(list []string) error {
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conf, err := os.ReadFile(defaultDNSPath)
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if err != nil {
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return fmt.Errorf("read nameserver conf of %s failed, err: %v", defaultDNSPath, err)
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}
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lines := strings.Split(string(conf), "\n")
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newFile := ""
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for _, line := range lines {
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if len(line) == 0 {
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continue
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}
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parts := strings.Fields(line)
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if len(parts) < 2 || parts[0] != "nameserver" {
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newFile += line + "\n"
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continue
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}
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itemNs := strings.Join(parts[1:], " ")
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for index, item := range list {
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if item == itemNs {
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newFile += line + "\n"
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list = append(list[:index], list[index+1:]...)
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break
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}
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}
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}
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for _, item := range list {
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if len(item) != 0 {
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newFile += fmt.Sprintf("nameserver %s \n", item)
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}
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}
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file, err := os.OpenFile(defaultDNSPath, os.O_WRONLY|os.O_TRUNC, 0640)
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if err != nil {
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return err
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}
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defer file.Close()
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write := bufio.NewWriter(file)
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_, _ = write.WriteString(newFile)
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write.Flush()
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return nil
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}
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func loadHosts() []dto.HostHelper {
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var list []dto.HostHelper
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hostConf, err := os.ReadFile(defaultHostPath)
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if err == nil {
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lines := strings.Split(string(hostConf), "\n")
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for _, line := range lines {
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parts := strings.Fields(line)
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if len(parts) < 2 || strings.HasPrefix(strings.TrimPrefix(line, " "), "#") {
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continue
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}
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list = append(list, dto.HostHelper{IP: parts[0], Host: strings.Join(parts[1:], " ")})
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}
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}
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return list
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}
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func loadHostname() string {
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std, err := cmd.Exec("hostname")
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if err != nil {
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return ""
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}
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return strings.ReplaceAll(std, "\n", "")
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}
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func loadUser() string {
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std, err := cmd.Exec("whoami")
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if err != nil {
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return ""
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}
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return strings.ReplaceAll(std, "\n", "")
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}
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func loadSwap() []dto.SwapHelper {
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var data []dto.SwapHelper
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std, err := cmd.Execf("%s swapon --summary", cmd.SudoHandleCmd())
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if err != nil {
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return data
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}
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lines := strings.Split(std, "\n")
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for index, line := range lines {
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if index == 0 {
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continue
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}
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parts := strings.Fields(line)
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if len(parts) < 5 {
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continue
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}
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sizeItem, _ := strconv.Atoi(parts[2])
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data = append(data, dto.SwapHelper{Path: parts[0], Size: uint64(sizeItem), Used: parts[3]})
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}
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return data
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}
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func operateSwapWithFile(delete bool, req dto.SwapHelper) error {
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conf, err := os.ReadFile(defaultFstab)
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if err != nil {
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return fmt.Errorf("read file %s failed, err: %v", defaultFstab, err)
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}
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lines := strings.Split(string(conf), "\n")
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newFile := ""
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for _, line := range lines {
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if len(line) == 0 {
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continue
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}
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parts := strings.Fields(line)
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if len(parts) == 6 && parts[0] == req.Path {
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continue
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}
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newFile += line + "\n"
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}
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if !delete {
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newFile += fmt.Sprintf("%s swap swap defaults 0 0\n", req.Path)
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}
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file, err := os.OpenFile(defaultFstab, os.O_WRONLY|os.O_TRUNC, 0640)
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if err != nil {
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return err
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}
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defer file.Close()
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write := bufio.NewWriter(file)
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_, _ = write.WriteString(newFile)
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write.Flush()
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return nil
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}
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