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net/udprelay: remove tailscaled_peer_relay_endpoints_total (#18254)

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This gauge will be reworked to include endpoint state in future.

Updates tailscale/corp#30820

Change-Id: I66f349d89422b46eec4ecbaf1a99ad656c7301f9

Signed-off-by: Alex Valiushko <alexvaliushko@tailscale.com>
This commit is contained in:
Alex Valiushko
2025-12-19 16:15:41 -08:00
committed by GitHub
parent 90b4358113
commit ee59470270
3 changed files with 0 additions and 36 deletions
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net/udprelay/metrics.go
-25
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@@ -22,10 +22,6 @@ var (
cMetricForwarded46Bytes = clientmetric.NewAggregateCounter("udprelay_forwarded_bytes_udp4_udp6")
cMetricForwarded64Bytes = clientmetric.NewAggregateCounter("udprelay_forwarded_bytes_udp6_udp4")
cMetricForwarded66Bytes = clientmetric.NewAggregateCounter("udprelay_forwarded_bytes_udp6_udp6")
// [clientmetric.Gauge] does not let us embed existing counters,
// [metrics.addEndpoints] records data into client and user gauges independently.
cMetricEndpoints = clientmetric.NewGauge("udprelay_endpoints")
)
type transport string
@@ -40,9 +36,6 @@ type forwardedLabel struct {
transportOut transport `prom:"transport_out"`
}
type endpointLabel struct {
}
type metrics struct {
forwarded44Packets expvar.Int
forwarded46Packets expvar.Int
@@ -53,8 +46,6 @@ type metrics struct {
forwarded46Bytes expvar.Int
forwarded64Bytes expvar.Int
forwarded66Bytes expvar.Int
endpoints expvar.Int
}
// registerMetrics publishes user and client metric counters for peer relay server.
@@ -74,12 +65,6 @@ func registerMetrics(reg *usermetric.Registry) *metrics {
"counter",
"Number of bytes forwarded via Peer Relay",
)
uMetricEndpoints = usermetric.NewMultiLabelMapWithRegistry[endpointLabel](
reg,
"tailscaled_peer_relay_endpoints_total",
"gauge",
"Number of allocated Peer Relay endpoints",
)
forwarded44 = forwardedLabel{transportIn: transportUDP4, transportOut: transportUDP4}
forwarded46 = forwardedLabel{transportIn: transportUDP4, transportOut: transportUDP6}
forwarded64 = forwardedLabel{transportIn: transportUDP6, transportOut: transportUDP4}
@@ -98,8 +83,6 @@ func registerMetrics(reg *usermetric.Registry) *metrics {
uMetricForwardedBytes.Set(forwarded64, &m.forwarded64Bytes)
uMetricForwardedBytes.Set(forwarded66, &m.forwarded66Bytes)
uMetricEndpoints.Set(endpointLabel{}, &m.endpoints)
// Publish client metrics.
cMetricForwarded44Packets.Register(&m.forwarded44Packets)
cMetricForwarded46Packets.Register(&m.forwarded46Packets)
@@ -113,13 +96,6 @@ func registerMetrics(reg *usermetric.Registry) *metrics {
return m
}
// addEndpoints updates the total endpoints gauge. Value can be negative.
// It records two gauges independently, see [cMetricEndpoints] doc.
func (m *metrics) addEndpoints(value int64) {
m.endpoints.Add(value)
cMetricEndpoints.Add(value)
}
// countForwarded records user and client metrics according to the
// inbound and outbound address families.
func (m *metrics) countForwarded(in4, out4 bool, bytes, packets int64) {
@@ -149,5 +125,4 @@ func deregisterMetrics() {
cMetricForwarded46Bytes.UnregisterAll()
cMetricForwarded64Bytes.UnregisterAll()
cMetricForwarded66Bytes.UnregisterAll()
cMetricEndpoints.Set(0)
}