Deprecate Stan scaler (#6363)

Signed-off-by: rickbrouwer <rickbrouwer@gmail.com>
kedacore · Nov 26, 2024 · 29400ed · 29400ed
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -82,7 +82,7 @@ You can find all deprecations in [this overview](https://github.com/kedacore/ked
 
 New deprecation(s):
 
-- TODO ([#XXX](https://github.com/kedacore/keda/issues/XXX))
+- **NATS Streaming scaler**: Deprecate NATS Streaming Server (aka Stan) ([#6362](https://github.com/kedacore/keda/issues/6362))
 
 ### Breaking Changes
 

diff --git a/pkg/scalers/stan_scaler.go b/pkg/scalers/stan_scaler.go
@@ -278,6 +278,7 @@ func (s *stanScaler) GetMetricsAndActivity(ctx context.Context, metricName strin
 	}
 	totalLag := s.getMaxMsgLag()
 	s.logger.V(1).Info("Stan scaler: Providing metrics based on totalLag, threshold", "totalLag", totalLag, "lagThreshold", s.metadata.lagThreshold)
+	s.logger.Info("The Stan scaler (NATS Streaming) is DEPRECATED and will be removed in v2.19 - Use scaler 'nats-jetstream' instead")
 
 	metric := GenerateMetricInMili(metricName, float64(totalLag))