340 lines
11 KiB
Go
340 lines
11 KiB
Go
package trace
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import (
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"fmt"
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"net"
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"net/http"
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"strings"
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"time"
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"ems.agt/lib/core/cmd"
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"ems.agt/lib/core/conf"
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"ems.agt/lib/core/file"
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"ems.agt/lib/core/utils/ctx"
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"ems.agt/lib/core/vo/result"
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"ems.agt/lib/dborm"
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"ems.agt/lib/log"
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"ems.agt/restagent/config"
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)
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var (
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UriTcpdumpTask = config.DefaultUriPrefix + "/traceManagement/{apiVersion}/tcpdumpNeTask"
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CustomUriTcpdumpTask = config.UriPrefix + "/traceManagement/{apiVersion}/tcpdumpNeTask" // decode message api
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UriTcpdumpPcapDownload = config.DefaultUriPrefix + "/traceManagement/{apiVersion}/tcpdumpPcapDownload"
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CustomUriTcpdumpPcapDownload = config.UriPrefix + "/traceManagement/{apiVersion}/tcpdumpPcapDownload" // decode message api
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UriTcpdumpNeUPFTask = config.DefaultUriPrefix + "/traceManagement/{apiVersion}/tcpdumpNeUPFTask"
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CustomUriTcpdumpNeUPFTask = config.UriPrefix + "/traceManagement/{apiVersion}/tcpdumpNeUPFTask" // decode message api
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)
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// NeInfo 网元信息
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func NeInfo(neType, neId string) (*dborm.NeInfo, error) {
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neInfo, err := dborm.XormGetNeInfo(neType, neId)
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if err != nil {
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log.Error("dborm.XormGetNeInfo is failed:", err)
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return nil, err
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}
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if neInfo == nil || neInfo.Ip == "" {
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return nil, fmt.Errorf("not ne_info or not IP")
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}
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return neInfo, nil
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}
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// TcpdumpNeTask 网元发送执行 pcap
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func TcpdumpNeTask(w http.ResponseWriter, r *http.Request) {
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var body struct {
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NeType string `json:"neType"` // 网元类型
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NeId string `json:"neId"` // 网元ID
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Timeout int `json:"timeout"` // 超时时间
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Cmd string `json:"cmd"` // 命令
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}
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err := ctx.ShouldBindJSON(r, &body)
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if err != nil || body.NeType == "" || body.NeId == "" || body.Timeout < 5 || body.Cmd == "" {
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ctx.JSON(w, 400, result.CodeMsg(400, "parameter error"))
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return
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}
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neInfo, err := NeInfo(body.NeType, body.NeId)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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return
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}
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filePcapName := fmt.Sprintf("tmp_%s_%s_%d.pcap", body.NeType, body.NeId, time.Now().UnixMilli())
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fileLogName := fmt.Sprintf("tmp_%s_%s_%d.log", body.NeType, body.NeId, time.Now().UnixMilli())
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writeLog := fmt.Sprintf(" >> %s 2>&1 \ncat %s", fileLogName, fileLogName) // 执行信息写入日志文件，放置弹出code 127
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cmdStr := fmt.Sprintf("cd /tmp \nsudo timeout %d tcpdump -i any %s -s0 -w %s", body.Timeout, body.Cmd, filePcapName)
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usernameNe := conf.Get("ne.user").(string) // 网元统一用户
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sshHost := fmt.Sprintf("%s@%s", usernameNe, neInfo.Ip)
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msg, err := cmd.ExecWithCheck("ssh", sshHost, cmdStr+writeLog)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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return
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}
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ctx.JSON(w, 200, result.OkData(map[string]any{
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"cmd": cmdStr,
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"msg": msg,
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"fileName": filePcapName,
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}))
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}
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// TcpdumpPcapDownload 网元抓包pcap文件下载
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func TcpdumpPcapDownload(w http.ResponseWriter, r *http.Request) {
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var body struct {
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NeType string `json:"neType"` // 网元类型
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NeId string `json:"neId"` // 网元ID
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FileName string `json:"fileName"` // 文件名
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}
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err := ctx.ShouldBindJSON(r, &body)
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if err != nil || body.NeType == "" || body.NeId == "" || body.FileName == "" {
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ctx.JSON(w, 400, result.CodeMsg(400, "parameter error"))
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return
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}
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neInfo, err := NeInfo(body.NeType, body.NeId)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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return
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}
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nePath := fmt.Sprintf("/tmp/%s", body.FileName)
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localPath := fmt.Sprintf("%s/tcpdump/pcap/%s", conf.Get("ne.omcdir"), body.FileName)
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err = file.FileSCPNeToLocal(neInfo.Ip, nePath, localPath)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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return
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}
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ctx.FileAttachment(w, r, localPath, body.FileName)
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}
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// TcpdumpNeUPFTask 网元UPF发送执行 pcap
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func TcpdumpNeUPFTask(w http.ResponseWriter, r *http.Request) {
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var body struct {
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NeType string `json:"neType"` // 网元类型
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NeId string `json:"neId"` // 网元ID
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Cmd string `json:"cmd"` // 命令
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RunType string `json:"runType"` // 执行开始start还是停止stop
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}
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err := ctx.ShouldBindJSON(r, &body)
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if err != nil || body.NeType != "UPF" || body.NeId == "" || body.Cmd == "" {
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ctx.JSON(w, 400, result.CodeMsg(400, "parameter error"))
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return
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}
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neInfo, err := NeInfo(body.NeType, body.NeId)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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return
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}
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// 开始telnet
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if body.RunType == "start_telnet" {
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// 创建TCP连接
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conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", neInfo.Ip, 5002))
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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return
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}
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defer conn.Close()
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filePcapName := fmt.Sprintf("tmp_%s_%s.pcap", body.NeType, body.NeId)
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cmdStr := fmt.Sprintf("pcap dispatch trace on max 100000 file %s", filePcapName)
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fmt.Fprintln(conn, cmdStr)
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// 读取内容
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time.Sleep(time.Duration(200) * time.Millisecond)
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buf := make([]byte, 1024*8)
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n, err := conn.Read(buf)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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} else {
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str := string(buf[0:n])
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s := strings.Index(str, "pcap dispatch trace:")
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if s != -1 {
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e := strings.Index(str, "\r\nupfd1#")
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str = str[s:e]
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} else {
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str = fmt.Sprintf("Executed, please stop before proceeding %d", n)
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}
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ctx.JSON(w, 200, result.OkData(map[string]any{
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"cmd": cmdStr,
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"msg": str,
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"fileName": filePcapName,
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}))
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}
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conn.Close()
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return
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}
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// 停止telnet
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if body.RunType == "stop_telnet" {
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// 创建TCP连接
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conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", neInfo.Ip, 5002))
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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return
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}
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defer conn.Close()
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filePcapName := fmt.Sprintf("tmp_%s_%s.pcap", body.NeType, body.NeId)
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cmdStr := "pcap dispatch trace off"
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fmt.Fprintln(conn, cmdStr)
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// 读取内容
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time.Sleep(time.Duration(200) * time.Millisecond)
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buf := make([]byte, 1024*8)
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n, err := conn.Read(buf)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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} else {
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str := string(buf[0:n])
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s := strings.Index(str, "pcap dispatch trace:")
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if s == -1 {
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s = strings.Index(str, "Write ")
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}
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if s != -1 {
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e := strings.Index(str, "\r\nupfd1#")
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str = str[s:e]
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} else {
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str = "No stoppable found"
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}
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ctx.JSON(w, 200, result.OkData(map[string]any{
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"cmd": cmdStr,
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"msg": str,
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"fileName": filePcapName,
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}))
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}
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conn.Close()
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return
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}
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// 开始 -脚本
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if body.RunType == "start2" {
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fileLogName := fmt.Sprintf("tmp_%s_%s.log", body.NeType, body.NeId)
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filePcapName := fmt.Sprintf("tmp_%s_%s.pcap", body.NeType, body.NeId)
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// 复制文件到网元上
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err := file.FileSCPLocalToNe(neInfo.Ip, "C:\\AMP\\Probject\\ems_backend\\restagent\\backup\\upf_pcap", "/tmp")
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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return
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}
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writeLog := fmt.Sprintf(" >> %s 2>&1 \ncat %s", fileLogName, fileLogName) // 执行信息写入日志文件，放置弹出code 127
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cmdStr := fmt.Sprintf("cd /tmp \nchmod +x upf_pcap\n./upf_pcap '192.168.4.139' 'root' 'Admin123@pl' 'pcap dispatch trace on max 100000 file %s' %s ", fileLogName, writeLog)
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usernameNe := conf.Get("ne.user").(string) // 网元统一用户
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sshHost := fmt.Sprintf("%s@%s", usernameNe, neInfo.Ip)
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msg, err := cmd.ExecWithCheck("ssh", sshHost, cmdStr)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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} else {
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ctx.JSON(w, 200, result.OkData(map[string]any{
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"cmd": cmdStr,
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"msg": msg,
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"fileName": filePcapName,
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}))
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}
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return
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}
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// 停止 -脚本
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if body.RunType == "stop2" {
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fileLogName := fmt.Sprintf("tmp_%s_%s.log", body.NeType, body.NeId)
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filePcapName := fmt.Sprintf("tmp_%s_%s.pcap", body.NeType, body.NeId)
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// cmdStr := "cd /tmp \nexpect /tmp/cat.sh "
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err := file.FileSCPLocalToNe(neInfo.Ip, "C:\\AMP\\Probject\\ems_backend\\restagent\\backup\\upf_pcap", "/tmp")
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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return
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}
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writeLog := fmt.Sprintf(" >> %s 2>&1 \ncat %s", fileLogName, fileLogName) // 执行信息写入日志文件，放置弹出code 127
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cmdStr := fmt.Sprintf("cd /tmp \nchmod +x upf_pcap\n./upf_pcap '192.168.4.139' 'root' 'Admin123@pl' 'pcap dispatch trace off' %s ", writeLog)
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usernameNe := conf.Get("ne.user").(string) // 网元统一用户
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sshHost := fmt.Sprintf("%s@%s", usernameNe, neInfo.Ip)
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msg, err := cmd.ExecWithCheck("ssh", sshHost, cmdStr)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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} else {
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ctx.JSON(w, 200, result.OkData(map[string]any{
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"cmd": cmdStr,
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"msg": msg,
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"fileName": filePcapName,
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}))
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}
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return
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}
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// 开始-脚本字符串
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if body.RunType == "start_str" {
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fileLogName := fmt.Sprintf("tmp_%s_%s.log", body.NeType, body.NeId)
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filePcapName := fmt.Sprintf("tmp_%s_%s.pcap", body.NeType, body.NeId)
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scriptStr := "set capcmd [lindex $argv 0]\nspawn telnet localhost 5002\nexpect \"upfd1# \"\nsend \"$capcmd\\n\"\nexpect \"upfd1# \"\nsend \"quit\\n\"\nexpect \"eof\""
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writeLog := fmt.Sprintf(" > %s 2>&1 \ncat %s", fileLogName, fileLogName) // 执行信息写入日志文件输出，避免弹出code 127
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capCmdStr := fmt.Sprintf("%s file %s", body.Cmd, filePcapName)
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cmdStr := fmt.Sprintf("cd /tmp\n\necho '%s' > cap.sh\n\nchmod +x cap.sh\n\nexpect ./cap.sh '%s'%s", scriptStr, capCmdStr, writeLog)
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usernameNe := conf.Get("ne.user").(string) // 网元统一用户
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sshHost := fmt.Sprintf("%s@%s", usernameNe, neInfo.Ip)
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msg, err := cmd.ExecWithCheck("ssh", sshHost, cmdStr)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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} else {
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s := strings.Index(msg, "pcap dispatch trace:")
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if s != -1 {
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e := strings.Index(msg, "\r\nupfd1#")
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msg = msg[s:e]
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} else {
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msg = "Executed, please stop before proceeding"
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}
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ctx.JSON(w, 200, result.OkData(map[string]any{
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"cmd": capCmdStr,
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"msg": msg,
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"fileName": filePcapName,
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}))
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}
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return
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}
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// 停止-脚本字符串
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if body.RunType == "stop_str" {
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fileLogName := fmt.Sprintf("tmp_%s_%s.log", body.NeType, body.NeId)
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filePcapName := fmt.Sprintf("tmp_%s_%s.pcap", body.NeType, body.NeId)
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scriptStr := "set capcmd [lindex $argv 0]\nspawn telnet localhost 5002\nexpect \"upfd1# \"\nsend \"$capcmd\\n\"\nexpect \"upfd1# \"\nsend \"quit\\n\"\nexpect \"eof\""
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writeLog := fmt.Sprintf(" > %s 2>&1 \ncat %s", fileLogName, fileLogName) // 执行信息写入日志文件输出，避免弹出code 127
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capCmdStr := body.Cmd
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cmdStr := fmt.Sprintf("cd /tmp\n\necho '%s' > cap.sh\n\nchmod +x cap.sh\n\nexpect ./cap.sh '%s'%s", scriptStr, capCmdStr, writeLog)
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usernameNe := conf.Get("ne.user").(string) // 网元统一用户
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sshHost := fmt.Sprintf("%s@%s", usernameNe, neInfo.Ip)
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msg, err := cmd.ExecWithCheck("ssh", sshHost, cmdStr)
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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} else {
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s := strings.Index(msg, "pcap dispatch trace:")
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if s == -1 {
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s = strings.Index(msg, "Write ")
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}
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if s != -1 {
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e := strings.Index(msg, "\r\nupfd1#")
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msg = msg[s:e]
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} else {
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msg = "No stoppable found"
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}
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ctx.JSON(w, 200, result.OkData(map[string]any{
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"cmd": capCmdStr,
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"msg": msg,
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"fileName": filePcapName,
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}))
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}
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return
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}
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ctx.JSON(w, 200, result.ErrMsg("runType is start or stop"))
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}
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