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Add debug logging statements to auditbeat system/socket metricset #41571

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merged 4 commits into from
Nov 21, 2024
Merged

Add debug logging statements to auditbeat system/socket metricset #41571

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3a32dbe
add a few log statements
fearful-symmetry Nov 6, 2024
9b103fb
add debug log statements to system/socket
fearful-symmetry Nov 8, 2024
072c4e4
add changelog
fearful-symmetry Nov 8, 2024
5001b87
Merge remote-tracking branch 'upstream/main' into socket-logs
fearful-symmetry Nov 8, 2024
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3 changes: 3 additions & 0 deletions CHANGELOG.next.asciidoc
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Original file line number Diff line number Diff line change
Expand Up @@ -250,6 +250,9 @@ https://github.com/elastic/beats/compare/v8.8.1\...main[Check the HEAD diff]

*Auditbeat*

- Improve logging in system/socket {pull}41571[41571]


*Auditbeat*


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10 changes: 10 additions & 0 deletions x-pack/auditbeat/module/system/socket/state.go
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Expand Up @@ -570,6 +570,7 @@ func (s *state) ForkProcess(parentPID, childPID uint32, ts kernelTime) error {
for k, v := range parent.resolvedDomains {
child.resolvedDomains[k] = v
}
s.log.Debugf("forking process %d with %d associated domains", childPID, len(child.resolvedDomains))
s.processes[childPID] = child
}
return nil
Expand All @@ -579,6 +580,7 @@ func (s *state) TerminateProcess(pid uint32) error {
if pid == 0 {
return errors.New("can't terminate process with PID 0")
}
s.log.Debugf("terminating process %d", pid)
s.Lock()
defer s.Unlock()
delete(s.processes, pid)
Expand Down Expand Up @@ -676,6 +678,7 @@ func (s *state) CreateSocket(ref flow) error {
func (s *state) OnDNSTransaction(tr dns.Transaction) error {
s.Lock()
defer s.Unlock()
s.log.Debugf("adding DNS transaction for domain %s for client %s", tr.Domain, tr.Client.String())
s.dns.AddTransaction(tr)
return nil
}
Expand Down Expand Up @@ -721,6 +724,10 @@ func (s *state) mutualEnrich(sock *socket, f *flow) {
}

func (s *state) createFlow(ref flow) error {
if ref.process != nil {
s.log.Debugf("creating flow for pid %s", ref.process.pid)
}

// Get or create a socket for this flow
sock := s.getSocket(ref.sock)
ref.createdTime = ref.lastSeenTime
Expand Down Expand Up @@ -821,6 +828,9 @@ func (s *state) enrichDNS(f *flow) {
IP: f.local.addr.IP,
Port: f.local.addr.Port,
}
if f.process != nil {
s.log.Debugf("registering endpoint %s for process %d", localUDP.String(), f.process.pid)
}
s.dns.RegisterEndpoint(localUDP, f.process)
}
}
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