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TUN-7477: Add UDP/TCP session metrics

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New gauge metrics are exposed in the prometheus endpoint to
capture the current and total TCP and UDP sessions that
cloudflared has proxied.
This commit is contained in:
Devin Carr
2023-06-16 17:07:56 -07:00
parent 20e36c5bf3
commit a3bcf25fae
4 changed files with 73 additions and 2 deletions
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2
datagramsession/manager.go
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@@ -118,6 +118,7 @@ func (m *manager) registerSession(ctx context.Context, registration *registerSes
session := m.newSession(registration.sessionID, registration.originProxy)
m.sessions[registration.sessionID] = session
registration.resultChan <- session
incrementUDPSessions()
}
func (m *manager) newSession(id uuid.UUID, dstConn io.ReadWriteCloser) *Session {
@@ -163,6 +164,7 @@ func (m *manager) unregisterSession(unregistration *unregisterSessionEvent) {
if ok {
delete(m.sessions, unregistration.sessionID)
session.close(unregistration.err)
decrementUDPActiveSessions()
}
}