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chore: add additional network telemetry stats & events #13800

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Merged
merged 17 commits into from
Jul 10, 2024
Merged

chore: add additional network telemetry stats & events #13800

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6ee3bfa
chore: add additional network telemetry stats & events
ethanndickson Jul 8, 2024
6e0ec17
better connectionage
ethanndickson Jul 8, 2024
ae17bb3
send update events only when home derp changes
ethanndickson Jul 8, 2024
612ae5f
better remote node id
ethanndickson Jul 8, 2024
d2d9c39
use netmap callback
ethanndickson Jul 8, 2024
af36c37
fixup
ethanndickson Jul 8, 2024
3466ba6
fixup
ethanndickson Jul 8, 2024
dbffec4
test
ethanndickson Jul 8, 2024
b240507
set p2p setup
ethanndickson Jul 9, 2024
e2e4018
fixup
ethanndickson Jul 9, 2024
0bebad4
watch for conn changes
ethanndickson Jul 9, 2024
6a19849
fixup
ethanndickson Jul 9, 2024
11f2a2b
use latest p2p setup time
ethanndickson Jul 9, 2024
fe7252a
ensure latest derpmap
ethanndickson Jul 9, 2024
4b76942
nicer ping peer
ethanndickson Jul 9, 2024
6214e2a
fix race
ethanndickson Jul 9, 2024
60e88f7
relay -> udp addr
ethanndickson Jul 10, 2024
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fixup
  • Loading branch information
@ethanndickson
ethanndickson committed Jul 8, 2024
commit af36c3734aa9d4c11c7528871c3e84c6aa3033d9
4 changes: 2 additions & 2 deletions tailnet/conn.go
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Original file line number Diff line number Diff line change
Expand Up @@ -718,6 +718,7 @@ func (c *Conn) MagicsockServeHTTPDebug(w http.ResponseWriter, r *http.Request) {
c.magicConn.ServeHTTPDebug(w, r)
}

// Currently called when connected to the Agent with the given IP using the given application.
func (c *Conn) SendConnectedTelemetry(ip netip.Addr, application string) {
if c.telemetrySink == nil {
return
Expand All @@ -732,8 +733,7 @@ func (c *Conn) SendConnectedTelemetry(ip netip.Addr, application string) {
}()
}

// Called whenever the Node is updated.
// Expects that the telemetry store has the latest node information.
// Currently only called when the preferred DERP is updated.
func (c *Conn) sendUpdatedTelemetry() {
if c.telemetrySink == nil {
return
Expand Down
16 changes: 12 additions & 4 deletions tailnet/telemetry.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import (
const (
TelemetryApplicationSSH string = "ssh"
TelemetryApplicationSpeedtest string = "speedtest"
TelemetryApplicationVSCode string = "vscode"
)

// Responsible for storing and anonymizing networking telemetry state.
Expand Down Expand Up @@ -84,9 +85,6 @@ func (b *TelemetryStore) markConnected(ip *netip.Addr, connCreatedAt time.Time,
}

func (b *TelemetryStore) updateRemoteNodeIDLocked(nm *netmap.NetworkMap) {
b.mu.Lock()
defer b.mu.Unlock()

if b.connectedIP == nil {
return
}
Expand All @@ -102,11 +100,15 @@ func (b *TelemetryStore) updateRemoteNodeIDLocked(nm *netmap.NetworkMap) {
}
}

// Returning whether a new telemetry event should be sent
// Returns whether a new telemetry event should be sent
func (b *TelemetryStore) updateNetworkMap(nm *netmap.NetworkMap) bool {
b.mu.Lock()
defer b.mu.Unlock()

if nm == nil {
return false
}

b.updateDerpMapLocked(nm.DERPMap)
b.updateRemoteNodeIDLocked(nm)
return b.updateByNodeLocked(nm.SelfNode)
Expand All @@ -116,6 +118,9 @@ func (b *TelemetryStore) updateNetworkMap(nm *netmap.NetworkMap) bool {
// Keep track of seen hostnames/cert names to anonymize them from future logs.
// b.mu must NOT be held.
func (b *TelemetryStore) updateDerpMapLocked(cur *tailcfg.DERPMap) {
if cur == nil {
return
}
cleanMap := cur.Clone()
for _, r := range cleanMap.Regions {
for _, n := range r.Nodes {
Expand All @@ -137,6 +142,9 @@ func (b *TelemetryStore) updateDerpMapLocked(cur *tailcfg.DERPMap) {
// Update the telemetry store with the current self node state.
// Returns true if the home DERP has changed.
func (b *TelemetryStore) updateByNodeLocked(n *tailcfg.Node) bool {
if n == nil {
return false
}
b.nodeID = uint64(n.ID)
derpIP, err := netip.ParseAddrPort(n.DERP)
if err != nil {
Expand Down