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metrics: remove deleted peer series (#748)

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This commit is contained in:
axlrod
2026-09-01 22:28:10 +02:00
committed by GitHub
parent 87aef1c8ff
commit 3690ff3baa
3 changed files with 101 additions and 0 deletions
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internal/adapters/metrics.go
+18
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@@ -136,3 +136,21 @@ func (m *MetricsServer) UpdatePeerMetrics(peer *domain.Peer, status domain.PeerS
m.peerSendBytesTotal.WithLabelValues(labels...).Set(float64(status.BytesTransmitted))
m.peerIsConnected.WithLabelValues(labels...).Set(internal.BoolToFloat64(status.IsConnected))
}
// DeletePeerMetrics removes all Prometheus series for a peer that was deleted
// from the WireGuard portal. GaugeVecs retain label values until explicitly
// deleted, so leaving these behind makes a deleted peer indistinguishable from
// a retained peer that is currently offline.
func (m *MetricsServer) DeletePeerMetrics(peer domain.Peer) {
labels := []string{
string(peer.InterfaceIdentifier),
peer.Interface.AddressStr(),
string(peer.Identifier),
peer.DisplayName,
string(peer.UserIdentifier),
}
m.peerLastHandshakeSeconds.DeleteLabelValues(labels...)
m.peerReceivedBytesTotal.DeleteLabelValues(labels...)
m.peerSendBytesTotal.DeleteLabelValues(labels...)
m.peerIsConnected.DeleteLabelValues(labels...)
}