290 lines
9.6 KiB
Go
290 lines
9.6 KiB
Go
package controller
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import (
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"fmt"
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"strings"
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"ems.agt/src/framework/cmd"
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"ems.agt/src/framework/config"
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"ems.agt/src/framework/i18n"
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"ems.agt/src/framework/utils/ctx"
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"ems.agt/src/framework/utils/ssh"
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"ems.agt/src/framework/vo/result"
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netElementService "ems.agt/src/modules/network_element/service"
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traceService "ems.agt/src/modules/trace/service"
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"github.com/gin-gonic/gin"
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"github.com/gin-gonic/gin/binding"
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)
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// 实例化控制层 TcpdumpController 结构体
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var NewTcpdump = &TcpdumpController{
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NeInfoService: netElementService.NewNeInfoImpl,
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TcpdumpService: traceService.NewTcpdumpImpl,
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}
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// 信令抓包请求
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//
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// PATH /tcpdump
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type TcpdumpController struct {
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// 网元信息服务
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NeInfoService netElementService.INeInfo
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// 信令抓包服务
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TcpdumpService traceService.ITcpdump
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}
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// 网元发送执行 pcap
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//
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// POST /ne
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func (s *TcpdumpController) NeTask(c *gin.Context) {
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language := ctx.AcceptLanguage(c)
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var body struct {
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NeType string `json:"neType" binding:"required"` // 网元类型
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NeId string `json:"neId" binding:"required"` // 网元ID
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Timeout int `json:"timeout" binding:"required"` // 超时时间
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Cmd string `json:"cmd" binding:"required"` // 命令
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Timestamp string `json:"timestamp" binding:"required"` // 时间戳
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}
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err := c.ShouldBindBodyWith(&body, binding.JSON)
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if err != nil {
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c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
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return
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}
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// 检查网元信息
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neInfo := s.NeInfoService.SelectNeInfoByNeTypeAndNeID(body.NeType, body.NeId)
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if neInfo.NeId != body.NeId {
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// 找不到 %s %s 对应网元信息
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msg := i18n.TTemplate(language, "trace.tcpdump.noData", map[string]any{"type": body.NeType, "id": body.NeId})
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c.JSON(200, result.ErrMsg(msg))
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return
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}
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filePcapName := fmt.Sprintf("%s_%s_%s.pcap", body.Timestamp, body.NeType, body.NeId)
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fileLogName := fmt.Sprintf("%s_%s_%s.log", body.Timestamp, body.NeType, body.NeId)
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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 := config.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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c.JSON(200, result.ErrMsg(err.Error()))
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return
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}
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if strings.Contains(msg, "command not found") {
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c.JSON(200, result.ErrMsg("Command [tcpdump] Not Found"))
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return
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}
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c.JSON(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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// 网元抓包pcap文件下载
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//
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// POST /download
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func (s *TcpdumpController) Download(c *gin.Context) {
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language := ctx.AcceptLanguage(c)
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var body struct {
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NeType string `json:"neType" binding:"required"` // 网元类型
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NeId string `json:"neId" binding:"required"` // 网元ID
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FileName string `form:"fileName" ` // 文件名
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}
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err := c.ShouldBindBodyWith(&body, binding.JSON)
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if err != nil {
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c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
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return
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}
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// 检查网元信息
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neInfo := s.NeInfoService.SelectNeInfoByNeTypeAndNeID(body.NeType, body.NeId)
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if neInfo.NeId != body.NeId {
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// 找不到 %s %s 对应网元信息
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msg := i18n.TTemplate(language, "trace.tcpdump.noData", map[string]any{"type": body.NeType, "id": body.NeId})
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c.JSON(200, result.ErrMsg(msg))
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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("/tmp/omc/tcpdump/%s", body.FileName)
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err = ssh.FileSCPNeToLocal(neInfo.IP, nePath, localPath)
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if err != nil {
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c.JSON(200, result.ErrMsg(err.Error()))
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return
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}
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c.FileAttachment(localPath, body.FileName)
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}
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// 网元发送执行 pcap
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//
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// POST /neUPF
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func (s *TcpdumpController) NeUPFTask(c *gin.Context) {
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language := ctx.AcceptLanguage(c)
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var body struct {
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NeType string `json:"neType" binding:"required"` // 网元类型
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NeId string `json:"neId" binding:"required"` // 网元ID
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RunType string `json:"runType" binding:"required"` // 执行开始start还是停止stop
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Cmd string `json:"cmd" binding:"required"` // 命令
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Timestamp string `json:"timestamp" binding:"required"` // 时间戳
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}
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err := c.ShouldBindBodyWith(&body, binding.JSON)
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if err != nil {
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c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
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return
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}
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// 检查网元信息
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neInfo := s.NeInfoService.SelectNeInfoByNeTypeAndNeID(body.NeType, body.NeId)
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if neInfo.NeId != body.NeId {
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msg := i18n.TTemplate(language, "trace.tcpdump.noData", map[string]any{"type": body.NeType, "id": body.NeId})
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c.JSON(200, result.ErrMsg(msg))
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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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filePcapName := fmt.Sprintf("%s_%s_%s.pcap", body.Timestamp, body.NeType, body.NeId)
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cmdStr := fmt.Sprintf("%s file %s", body.Cmd, filePcapName)
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// 进行连接telnet
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resultStr, err := s.TcpdumpService.UPFTelnet(neInfo.IP, cmdStr)
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if err != nil {
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c.JSON(200, result.ErrMsg(err.Error()))
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return
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}
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// 处理结果
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s := strings.Index(resultStr, "pcap dispatch trace:")
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if s == -1 {
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s = strings.Index(resultStr, "Write ")
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}
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if s != -1 {
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e := strings.Index(resultStr, "\r\nupfd1#")
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resultStr = resultStr[s:e]
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} else {
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resultStr = "No stoppable found"
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}
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c.JSON(200, result.OkData(map[string]any{
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"cmd": cmdStr,
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"msg": resultStr,
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"fileName": filePcapName,
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}))
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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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filePcapName := fmt.Sprintf("%s_%s_%s.pcap", body.Timestamp, body.NeType, body.NeId)
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cmdStr := "pcap dispatch trace off"
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// 进行连接telnet
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resultStr, err := s.TcpdumpService.UPFTelnet(neInfo.IP, cmdStr)
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if err != nil {
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c.JSON(200, result.ErrMsg(err.Error()))
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return
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}
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// 处理结果
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s := strings.Index(resultStr, "pcap dispatch trace:")
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if s != -1 {
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e := strings.Index(resultStr, "\r\nupfd1#")
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resultStr = resultStr[s:e]
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} else {
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resultStr = "Executed, please stop before proceeding"
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}
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c.JSON(200, result.OkData(map[string]any{
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"cmd": cmdStr,
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"msg": resultStr,
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"fileName": filePcapName,
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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("%s_%s_%s.log", body.Timestamp, body.NeType, body.NeId)
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filePcapName := fmt.Sprintf("%s_%s_%s.pcap", body.Timestamp, 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 := config.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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c.JSON(200, result.ErrMsg(err.Error()))
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return
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}
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if strings.Contains(msg, "command not found") {
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c.JSON(200, result.ErrMsg("Command [expect] Not Found"))
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return
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}
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if strings.Contains(msg, "Unable to connect to remote host") {
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c.JSON(200, result.ErrMsg("Connection Refused"))
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return
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}
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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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c.JSON(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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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("%s_%s_%s.log", body.Timestamp, body.NeType, body.NeId)
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filePcapName := fmt.Sprintf("%s_%s_%s.pcap", body.Timestamp, 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 := config.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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c.JSON(200, result.ErrMsg(err.Error()))
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return
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}
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if strings.Contains(msg, "command not found") {
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c.JSON(200, result.ErrMsg("Command [expect] Not Found"))
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return
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}
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if strings.Contains(msg, "Unable to connect to remote host") {
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c.JSON(200, result.ErrMsg("Connection Refused"))
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return
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}
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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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// 停止写入的文件名
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startIndex := strings.LastIndex(msg, "/") + 1
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endIndex := strings.LastIndex(msg, ",")
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filePcapName = msg[startIndex:endIndex]
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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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c.JSON(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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return
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}
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c.JSON(200, result.ErrMsg("Please select RunType to execute: start_telnet/stop_telnet/start_str/stop_str"))
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}
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