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feat: add autoscaling.external #4388

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2 changes: 2 additions & 0 deletions operations/helm/charts/alloy/CHANGELOG.md
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Expand Up @@ -16,6 +16,8 @@ Unreleased

- Remove readiness probe using curl when http server port is disabled. (@kalleep)

- Add option to support external autoscaler like KEDA. (@kimmj)

1.2.1 (2025-08-07)
----------

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2 changes: 1 addition & 1 deletion operations/helm/charts/alloy/templates/controllers/deployment.yaml
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Expand Up @@ -14,7 +14,7 @@ metadata:
{{- toYaml . | nindent 4 }}
{{- end }}
spec:
{{- if (and (not .Values.controller.autoscaling.enabled) (not .Values.controller.autoscaling.horizontal.enabled)) }}
{{- if (and (not .Values.controller.autoscaling.enabled) (not .Values.controller.autoscaling.horizontal.enabled) (not .Values.controller.autoscaling.external)) }}
replicas: {{ .Values.controller.replicas }}
{{- end }}
{{- if ge (int .Capabilities.KubeVersion.Minor) 22 }}
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2 changes: 1 addition & 1 deletion operations/helm/charts/alloy/templates/controllers/statefulset.yaml
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Expand Up @@ -17,7 +17,7 @@ metadata:
{{- toYaml . | nindent 4 }}
{{- end }}
spec:
{{- if (and (not .Values.controller.autoscaling.enabled) (not .Values.controller.autoscaling.horizontal.enabled)) }}
{{- if (and (not .Values.controller.autoscaling.enabled) (not .Values.controller.autoscaling.horizontal.enabled) (not .Values.controller.autoscaling.external)) }}
replicas: {{ .Values.controller.replicas }}
{{- end }}
{{- if .Values.controller.parallelRollout }}
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2 changes: 2 additions & 0 deletions operations/helm/charts/alloy/values.yaml
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Expand Up @@ -263,6 +263,8 @@ controller:
# -- Creates a HorizontalPodAutoscaler for controller type deployment.
# Deprecated: Please use controller.autoscaling.horizontal instead
enabled: false
# -- Set `true` if you use external autoscaler like KEDA
external: false
# -- The lower limit for the number of replicas to which the autoscaler can scale down.
minReplicas: 1
# -- The upper limit for the number of replicas to which the autoscaler can scale up.
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