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Have lighthouses ack updates to reduce test packet traffic (#851)

This commit is contained in:
Nate Brown 2023-05-05 14:44:03 -05:00 committed by GitHub
parent b26c13336f
commit 48eb63899f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 101 additions and 85 deletions
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4
cert/cert.pb.go
View File

@ -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

6
connection_manager.go
View File

@ -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"}).

20
lighthouse.go
View File

@ -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) {

1
message_metrics.go
View File

@ -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)}

94
nebula.pb.go
View File

@ -35,6 +35,7 @@ const (
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{
@ -48,6 +49,7 @@ var NebulaMeta_MessageType_name = map[int32]string{
7: "HostWhoamiReply",
8: "PathCheck",
9: "PathCheckReply",
10: "HostUpdateNotificationAck",
}
var NebulaMeta_MessageType_value = map[string]int32{
@ -61,6 +63,7 @@ var NebulaMeta_MessageType_value = map[string]int32{
"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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}
func (m *NebulaMeta) Marshal() (dAtA []byte, err error) {

1
nebula.proto
View File

@ -15,6 +15,7 @@ message NebulaMeta {
HostWhoamiReply = 7;
PathCheck = 8;
PathCheckReply = 9;
HostUpdateNotificationAck = 10;
}
MessageType Type = 1;