fix: OpenTelemetry metric names must only contain [A-Za-z0-9_.-] (#595)

pdecat · web-flow · commit a4d052d3d9a7 · 2025-09-05T15:58:38.000+05:30
diff --git a/hub/hub_base.go b/hub/hub_base.go
@@ -551,7 +551,7 @@ func (h *hubBase) initialiseTelemetry() error {
 	h.telemetryShutdownFunc = shutdownTelemetry
 
 	hydrateCalls, err := otel.GetMeterProvider().Meter(FdwName).Int64Counter(
-		fmt.Sprintf("%s/hydrate_calls_total", FdwName),
+		fmt.Sprintf("%s-hydrate_calls_total", FdwName),
 		metric.WithDescription("The total number of hydrate calls"),
 	)
 	if err != nil {

Original file line number	Diff line number	Diff line change
`@@ -551,7 +551,7 @@ func (h *hubBase) initialiseTelemetry() error {`
`551`	`551`	`h.telemetryShutdownFunc = shutdownTelemetry`
`552`	`552`
`553`	`553`	`hydrateCalls, err := otel.GetMeterProvider().Meter(FdwName).Int64Counter(`
`554`		`- fmt.Sprintf("%s/hydrate_calls_total", FdwName),`
	`554`	`+ fmt.Sprintf("%s-hydrate_calls_total", FdwName),`
`555`	`555`	`metric.WithDescription("The total number of hydrate calls"),`
`556`	`556`	`)`
`557`	`557`	`if err != nil {`