From 48eb63899f02588972c5ef4b9abbc04fbf2ac565 Mon Sep 17 00:00:00 2001 From: Nate Brown Date: Fri, 5 May 2023 14:44:03 -0500 Subject: [PATCH] Have lighthouses ack updates to reduce test packet traffic (#851) --- cert/cert.pb.go | 4 +- connection_manager.go | 6 -- lighthouse.go | 20 +++++- message_metrics.go | 1 + nebula.pb.go | 154 ++++++++++++++++++++++-------------------- nebula.proto | 1 + 6 files changed, 101 insertions(+), 85 deletions(-) diff --git a/cert/cert.pb.go b/cert/cert.pb.go index 825e22c..3570e07 100644 --- a/cert/cert.pb.go +++ b/cert/cert.pb.go @@ -1,7 +1,7 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // versions: -// protoc-gen-go v1.29.0 -// protoc v3.20.0 +// protoc-gen-go v1.30.0 +// protoc v3.21.5 // source: cert.proto package cert diff --git a/connection_manager.go b/connection_manager.go index 0a629a8..efd0a92 100644 --- a/connection_manager.go +++ b/connection_manager.go @@ -368,12 +368,6 @@ func (n *connectionManager) makeTrafficDecision(localIndex uint32, p, nb, out [] n.sendPunch(hostinfo) } - if n.intf.lightHouse.IsLighthouseIP(hostinfo.vpnIp) { - // We are sending traffic to the lighthouse, let recv_error sort out any issues instead of testing the tunnel - n.trafficTimer.Add(hostinfo.localIndexId, n.checkInterval) - return doNothing, nil, nil - } - if n.l.Level >= logrus.DebugLevel { hostinfo.logger(n.l). WithField("tunnelCheck", m{"state": "testing", "method": "active"}). diff --git a/lighthouse.go b/lighthouse.go index d6b6a5f..2532fc4 100644 --- a/lighthouse.go +++ b/lighthouse.go @@ -793,11 +793,14 @@ func (lhh *LightHouseHandler) HandleRequest(rAddr *udp.Addr, vpnIp iputil.VpnIp, lhh.handleHostQueryReply(n, vpnIp) case NebulaMeta_HostUpdateNotification: - lhh.handleHostUpdateNotification(n, vpnIp) + lhh.handleHostUpdateNotification(n, vpnIp, w) case NebulaMeta_HostMovedNotification: case NebulaMeta_HostPunchNotification: lhh.handleHostPunchNotification(n, vpnIp, w) + + case NebulaMeta_HostUpdateNotificationAck: + // noop } } @@ -906,7 +909,7 @@ func (lhh *LightHouseHandler) handleHostQueryReply(n *NebulaMeta, vpnIp iputil.V } } -func (lhh *LightHouseHandler) handleHostUpdateNotification(n *NebulaMeta, vpnIp iputil.VpnIp) { +func (lhh *LightHouseHandler) handleHostUpdateNotification(n *NebulaMeta, vpnIp iputil.VpnIp, w EncWriter) { if !lhh.lh.amLighthouse { if lhh.l.Level >= logrus.DebugLevel { lhh.l.Debugln("I am not a lighthouse, do not take host updates: ", vpnIp) @@ -932,6 +935,19 @@ func (lhh *LightHouseHandler) handleHostUpdateNotification(n *NebulaMeta, vpnIp am.unlockedSetV6(vpnIp, certVpnIp, n.Details.Ip6AndPorts, lhh.lh.unlockedShouldAddV6) am.unlockedSetRelay(vpnIp, certVpnIp, n.Details.RelayVpnIp) am.Unlock() + + n = lhh.resetMeta() + n.Type = NebulaMeta_HostUpdateNotificationAck + n.Details.VpnIp = uint32(vpnIp) + ln, err := n.MarshalTo(lhh.pb) + + if err != nil { + lhh.l.WithError(err).WithField("vpnIp", vpnIp).Error("Failed to marshal lighthouse host update ack") + return + } + + lhh.lh.metricTx(NebulaMeta_HostUpdateNotificationAck, 1) + w.SendMessageToVpnIp(header.LightHouse, 0, vpnIp, lhh.pb[:ln], lhh.nb, lhh.out[:0]) } func (lhh *LightHouseHandler) handleHostPunchNotification(n *NebulaMeta, vpnIp iputil.VpnIp, w EncWriter) { diff --git a/message_metrics.go b/message_metrics.go index b229cdf..94bb02f 100644 --- a/message_metrics.go +++ b/message_metrics.go @@ -84,6 +84,7 @@ func newLighthouseMetrics() *MessageMetrics { NebulaMeta_HostQueryReply, NebulaMeta_HostUpdateNotification, NebulaMeta_HostPunchNotification, + NebulaMeta_HostUpdateNotificationAck, } for _, i := range used { h[i] = []metrics.Counter{metrics.GetOrRegisterCounter(fmt.Sprintf("lighthouse.%s.%s", t, i.String()), nil)} diff --git a/nebula.pb.go b/nebula.pb.go index 649b7cb..b3c723a 100644 --- a/nebula.pb.go +++ b/nebula.pb.go @@ -25,42 +25,45 @@ const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package type NebulaMeta_MessageType int32 const ( - NebulaMeta_None NebulaMeta_MessageType = 0 - NebulaMeta_HostQuery NebulaMeta_MessageType = 1 - NebulaMeta_HostQueryReply NebulaMeta_MessageType = 2 - NebulaMeta_HostUpdateNotification NebulaMeta_MessageType = 3 - NebulaMeta_HostMovedNotification NebulaMeta_MessageType = 4 - NebulaMeta_HostPunchNotification NebulaMeta_MessageType = 5 - NebulaMeta_HostWhoami NebulaMeta_MessageType = 6 - NebulaMeta_HostWhoamiReply NebulaMeta_MessageType = 7 - NebulaMeta_PathCheck NebulaMeta_MessageType = 8 - NebulaMeta_PathCheckReply NebulaMeta_MessageType = 9 + NebulaMeta_None NebulaMeta_MessageType = 0 + NebulaMeta_HostQuery NebulaMeta_MessageType = 1 + NebulaMeta_HostQueryReply NebulaMeta_MessageType = 2 + NebulaMeta_HostUpdateNotification NebulaMeta_MessageType = 3 + NebulaMeta_HostMovedNotification NebulaMeta_MessageType = 4 + NebulaMeta_HostPunchNotification NebulaMeta_MessageType = 5 + NebulaMeta_HostWhoami NebulaMeta_MessageType = 6 + NebulaMeta_HostWhoamiReply NebulaMeta_MessageType = 7 + NebulaMeta_PathCheck NebulaMeta_MessageType = 8 + NebulaMeta_PathCheckReply NebulaMeta_MessageType = 9 + NebulaMeta_HostUpdateNotificationAck NebulaMeta_MessageType = 10 ) var NebulaMeta_MessageType_name = map[int32]string{ - 0: "None", - 1: "HostQuery", - 2: "HostQueryReply", - 3: "HostUpdateNotification", - 4: "HostMovedNotification", - 5: "HostPunchNotification", - 6: "HostWhoami", - 7: "HostWhoamiReply", - 8: "PathCheck", - 9: "PathCheckReply", + 0: "None", + 1: "HostQuery", + 2: "HostQueryReply", + 3: "HostUpdateNotification", + 4: "HostMovedNotification", + 5: "HostPunchNotification", + 6: "HostWhoami", + 7: "HostWhoamiReply", + 8: "PathCheck", + 9: "PathCheckReply", + 10: "HostUpdateNotificationAck", } var NebulaMeta_MessageType_value = map[string]int32{ - "None": 0, - "HostQuery": 1, - "HostQueryReply": 2, - "HostUpdateNotification": 3, - "HostMovedNotification": 4, - "HostPunchNotification": 5, - "HostWhoami": 6, - "HostWhoamiReply": 7, - "PathCheck": 8, - "PathCheckReply": 9, + "None": 0, + "HostQuery": 1, + "HostQueryReply": 2, + "HostUpdateNotification": 3, + "HostMovedNotification": 4, + "HostPunchNotification": 5, + "HostWhoami": 6, + "HostWhoamiReply": 7, + "PathCheck": 8, + "PathCheckReply": 9, + "HostUpdateNotificationAck": 10, } func (x NebulaMeta_MessageType) String() string { @@ -637,51 +640,52 @@ func init() { func init() { proto.RegisterFile("nebula.proto", fileDescriptor_2d65afa7693df5ef) } var fileDescriptor_2d65afa7693df5ef = []byte{ - 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