mirror of
https://github.com/hanzozt/zt.git
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zeekay
241625e7d9
- Repo names: ziti-* → zt-* - Go modules: github.com/hanzozt/ziti → github.com/hanzozt/zt - Docker images: hanzozt/ziti-* → hanzozt/zt-* - C/Java/JS symbols: ziti_* → zt_* - File and directory names updated
96 lines
2.4 KiB
Go
96 lines
2.4 KiB
Go
/*
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Copyright 2019 NetFoundry Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package ztlab
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import (
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"fmt"
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"strings"
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"github.com/hanzozt/fablab/kernel/model"
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"github.com/sirupsen/logrus"
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)
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var _ model.ComponentType = (*TcpDumpType)(nil)
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type TcpDumpType struct {
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Filter string
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MaxFileSizeInMb uint32
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}
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func (self *TcpDumpType) Label() string {
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return "tcpdump"
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}
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func (self *TcpDumpType) GetVersion() string {
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return "os-provided"
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}
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func (self *TcpDumpType) Dump() any {
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return map[string]string{
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"type_id": "tcpdump",
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}
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}
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func (self *TcpDumpType) getBinaryName() string {
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return "tcpdump"
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}
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func (self *TcpDumpType) getProcessFilter(c *model.Component) func(string) bool {
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return func(s string) bool {
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return strings.Contains(s, self.getBinaryName()) &&
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strings.Contains(s, c.Id) &&
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strings.Contains(s, self.Filter)
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}
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}
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func (self *TcpDumpType) IsRunning(_ model.Run, c *model.Component) (bool, error) {
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pids, err := c.GetHost().FindProcesses(self.getProcessFilter(c))
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if err != nil {
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return false, err
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}
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return len(pids) > 0, nil
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}
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func (self *TcpDumpType) Start(_ model.Run, c *model.Component) error {
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user := c.GetHost().GetSshUser()
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capturePath := fmt.Sprintf("/home/%s/logs/%s.pcap", user, c.Id)
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logsPath := fmt.Sprintf("/home/%s/logs/%s.log", user, c.Id)
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maxFileSize := ""
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if self.MaxFileSizeInMb > 0 {
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maxFileSize = fmt.Sprintf("-C %d ", self.MaxFileSizeInMb)
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}
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serviceCmd := fmt.Sprintf("sudo tcpdump -Z %s -s 64 -W 10 %s -w %s %s > %s 2>&1 &", user, maxFileSize, capturePath, self.Filter, logsPath)
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logrus.Infof("starting: %s", serviceCmd)
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value, err := c.GetHost().ExecLogged(serviceCmd)
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if err != nil {
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return err
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}
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if len(value) > 0 {
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logrus.Infof("output [%s]", strings.Trim(value, " \t\r\n"))
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}
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return nil
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}
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func (self *TcpDumpType) Stop(_ model.Run, c *model.Component) error {
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return c.GetHost().KillProcesses("-TERM", self.getProcessFilter(c))
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}
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