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feat: add coderd_api_websocket_probes_total metric (#25012)

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Relates to CODAGT-115

Adds metric `coderd_api_websocket_probes_total`. Every successful
heartbeat for a given path will increment the metric.

Comparing this with `coderd_api_concurrent_websockets` will give an
indication of how many websocket connections are open but in a 'wedged'
state (when heartbeats stopped versus when we closed the connection).
This commit is contained in:
Cian Johnston
2026-06-03 10:46:07 +01:00
committed by GitHub
parent 7703e7a26e
commit 8b058dc949
22 changed files with 596 additions and 171 deletions
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coderd/inboxnotifications.go
+1 -1
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@@ -224,7 +224,7 @@ func (api *API) watchInboxNotifications(rw http.ResponseWriter, r *http.Request)
ctx, wsNetConn := codersdk.WebsocketNetConn(ctx, conn, websocket.MessageText)
defer wsNetConn.Close()
go httpapi.HeartbeatClose(ctx, logger, cancel, conn)
ctx = api.wsWatcher.Watch(ctx, logger, conn)
encoder := json.NewEncoder(wsNetConn)