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TUN-9469: Centralize UDP origin proxy dialing as ingress service

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Introduces a new `UDPOriginProxy` interface and `UDPOriginService`
to standardize how UDP connections are dialed to origins. Allows for
future overrides of the ingress service for specific dial destinations.

Simplifies dependency injection for UDP dialing throughout both datagram
v2 and v3 by using the same ingress service. Previous invocations called
into a DialUDP function in the ingress package that was a light
wrapper over `net.DialUDP`. Now a reference is passed into both datagram
controllers that allows more control over the DialUDP method.

Closes TUN-9469
This commit is contained in:
Devin Carr
2025-06-23 18:01:15 +00:00
parent 64fdc52855
commit b4a98b13fe
9 changed files with 93 additions and 40 deletions
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5
supervisor/supervisor.go
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@@ -78,11 +78,14 @@ func NewSupervisor(config *TunnelConfig, orchestrator *orchestration.Orchestrato
edgeBindAddr := config.EdgeBindAddr
datagramMetrics := v3.NewMetrics(prometheus.DefaultRegisterer)
sessionManager := v3.NewSessionManager(datagramMetrics, config.Log, ingress.DialUDPAddrPort, orchestrator.GetFlowLimiter())
// No reserved ingress services for now, hence the nil
ingressUDPService := ingress.NewUDPOriginService(nil, config.Log)
sessionManager := v3.NewSessionManager(datagramMetrics, config.Log, ingressUDPService, orchestrator.GetFlowLimiter())
edgeTunnelServer := EdgeTunnelServer{
config: config,
orchestrator: orchestrator,
ingressUDPProxy: ingressUDPService,
sessionManager: sessionManager,
datagramMetrics: datagramMetrics,
edgeAddrs: edgeIPs,