HPA add customMetric and behavior based scaling (#60)

HPA add `customMetric` and `behavior` based scaling Signed-off-by: AB <[email protected]>
redpanda-data · Dec 7, 2023 · 7faade1 · 7faade1
1 parent 256102a
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diff --git a/README.md b/README.md
@@ -58,6 +58,8 @@ For more information on configuring the HTTP component, refer to the [Benthos HT
 | autoscaling.maxReplicas                       | Sets max numbers of replicas                     | 100                |
 | autoscaling.targetCPUUtilizationPercentage    | Sets desired CPU autoscaling threshold           | 80                 |
 | autoscaling.targetMemoryUtilizationPercentage | Sets desired memory autoscaling threshold        | 80                 |
+| autoscaling.behavior                          | Custom scale-up and scale-down behaviors         | {}                 |
+| autoscaling.customMetric                      | Target a custom metric for autoscaling           | {}                 |
 | nodeSelector                                  | Sets node selector configuration                 | {}                 |
 | tolerations                                   | Sets tolerations configuration                   | []                 |
 | affinity                                      | Sets affinity configuration                      | {}                 |

diff --git a/templates/hpa.yaml b/templates/hpa.yaml
@@ -25,4 +25,11 @@ spec:
         name: cpu
         targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
     {{- end }}
+    {{- with .Values.autoscaling.customMetric -}}
+    {{ toYaml . | nindent 4 }}
+    {{- end }}
+  {{- with .Values.autoscaling.behavior }}
+  behavior:
+  {{- toYaml . | nindent 4 }}
+  {{- end }}
 {{- end }}
diff --git a/values.yaml b/values.yaml
@@ -106,6 +106,21 @@ autoscaling:
   maxReplicas: 100
   targetCPUUtilizationPercentage: 80
   # targetMemoryUtilizationPercentage: 80
+
+  # autoscaling.customMetric -- Target a custom metric for autoscaling.
+  customMetric: {}
+    #  - type: Pods
+    #    pods:
+    #      metric:
+    #        name: utilization
+    #      target:
+    #        type: AverageValue
+    #        averageValue: 95
+
+  # autoscaling.behavior -- Configure separate scale-up and scale-down behaviors.
+  behavior: {}
+    # scaleDown:
+    #   stabilizationWindowSeconds: 300
 
 nodeSelector: {}