feat(forgejo-runner): add hpa behavior support

Allows customizing HPA behaviors when autoscaling is enabled.

forgejo-runner/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: forgejo-runner
 description: Deploy runner for an forgejo instance (default codeberg.org)
 type: application
-version: 0.2.14
+version: 0.3.0
 # renovate: image=code.forgejo.org/forgejo/runner
 appVersion: "3.5.1"
 maintainers:

forgejo-runner/README.adoc

@@ -2,7 +2,7 @@
 
 = forgejo-runner
 
-image::https://img.shields.io/badge/Version-0.2.14-informational?style=flat-square[Version: 0.2.14]
+image::https://img.shields.io/badge/Version-0.3.0-informational?style=flat-square[Version: 0.3.0]
 image::https://img.shields.io/badge/Version-application-informational?style=flat-square[Type: application]
 image::https://img.shields.io/badge/AppVersion-3.5.1-informational?style=flat-square[AppVersion: 3.5.1]
 == Maintainers
@@ -208,6 +208,11 @@ helm uninstall forgejo-runner-release
 | `{}`
 |
 
+| autoscaling.behavior
+| object
+| `{}`
+| behavior of HPA Example:  scaleDown:    stabilizationWindowSeconds: 300    policies:      - type: Pods        value: 1        periodSeconds: 60  scaleUp:    stabilizationWindowSeconds: 0    policies:      - type: Pods        value: 1        periodSeconds: 60
+
 | autoscaling.enabled
 | bool
 | `false`

forgejo-runner/templates/hpa.yaml

@@ -12,6 +12,10 @@ spec:
     name: {{ include "forgejo-runner.fullname" . }}
   minReplicas: {{ .Values.autoscaling.minReplicas }}
   maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  {{- with .Values.autoscaling.behavior }}
+  behavior:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
   metrics:
     {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
     - type: Resource

forgejo-runner/values.yaml

@@ -191,6 +191,21 @@ autoscaling:
   enabled: false
   minReplicas: 1
   maxReplicas: 100
+  # -- behavior of HPA
+  # Example:
+  #  scaleDown:
+  #    stabilizationWindowSeconds: 300
+  #    policies:
+  #      - type: Pods
+  #        value: 1
+  #        periodSeconds: 60
+  #  scaleUp:
+  #    stabilizationWindowSeconds: 0
+  #    policies:
+  #      - type: Pods
+  #        value: 1
+  #        periodSeconds: 60
+  behavior: {}
   targetCPUUtilizationPercentage: 80
   # targetMemoryUtilizationPercentage: 80