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feat: Support HPA spec.behavior for fine-grained scaling policies #331

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Merged
pierluigilenoci merged 2 commits into from
Aug 6, 2025
+37 −5
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feat: Support HPA spec.behavior for fine-grained scaling policies #331

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874c5c1
feat(oauth2-proxy): Support HPA spec.behavior for fine-grained scalin…
younsl Aug 5, 2025
46cdc72
bump(oauth2-proxy): Bump minor chart version to 7.12.0
younsl Aug 5, 2025
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8 changes: 4 additions & 4 deletions helm/oauth2-proxy/Chart.yaml
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
name: oauth2-proxy
version: 7.16.0
version: 7.17.0
apiVersion: v2
appVersion: 7.11.0
home: https://oauth2-proxy.github.io/oauth2-proxy/
Expand Down Expand Up @@ -31,8 +31,8 @@ maintainers:
kubeVersion: ">=1.16.0-0"
annotations:
artifacthub.io/changes: |
- kind: changed
description: Updated OAuth2-Proxy image to v7.11.0
- kind: added
description: Added support for HPA spec.behavior configuration for fine-grained scaling policies
links:
- name: Github PR
url: https://github.com/oauth2-proxy/manifests/pull/329
url: https://github.com/oauth2-proxy/manifests/pull/331
1 change: 1 addition & 0 deletions helm/oauth2-proxy/README.md
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Expand Up @@ -120,6 +120,7 @@ The following table lists the configurable parameters of the oauth2-proxy chart
| `autoscaling.targetCPUUtilizationPercentage` | Horizontal Pod Autoscaler setting. | `80` |
| `autoscaling.targetMemoryUtilizationPercentage` | Horizontal Pod Autoscaler setting. | `` |
| `autoscaling.annotations` | Horizontal Pod Autoscaler annotations. | `{}` |
| `autoscaling.behavior` | Configure HPA behavior policies for scaling. See [docs](https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/#configuring-scaling-behavior) | `{}` |
| `alphaConfig.enabled` | Flag to toggle any alpha config-related logic | `false` |
| `alphaConfig.annotations` | Configmap annotations | `{}` |
| `alphaConfig.serverConfigData` | Arbitrary configuration data to append to the server section | `{}` |
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11 changes: 11 additions & 0 deletions helm/oauth2-proxy/templates/hpa.yaml
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Expand Up @@ -35,4 +35,15 @@ spec:
type: Utilization
averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
{{- end }}
{{- if .Values.autoscaling.behavior }}
behavior:
{{- with .Values.autoscaling.behavior.scaleDown }}
scaleDown:
{{- toYaml . | nindent 6 }}
{{- end }}
{{- with .Values.autoscaling.behavior.scaleUp }}
scaleUp:
{{- toYaml . | nindent 6 }}
{{- end }}
{{- end }}
{{- end }}
22 changes: 21 additions & 1 deletion helm/oauth2-proxy/values.yaml
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Expand Up @@ -319,8 +319,28 @@ autoscaling:
minReplicas: 1
maxReplicas: 10
targetCPUUtilizationPercentage: 80
# targetMemoryUtilizationPercentage: 80
# targetMemoryUtilizationPercentage: 80
annotations: {}
# Configure HPA behavior policies for scaling if needed
# Ref: https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/#configuring-scaling-behavior
behavior: {}
# scaleDown:
# stabilizationWindowSeconds: 300
# policies:
# - type: Percent
# value: 100
# periodSeconds: 15
# selectPolicy: Min
# scaleUp:
# stabilizationWindowSeconds: 0
# policies:
# - type: Percent
# value: 100
# periodSeconds: 15
# - type: Pods
# value: 4
# periodSeconds: 15
# selectPolicy: Max

# Configure Kubernetes security context for pod
# Ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
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