feat(hpa): add support for custom annotations on hpa (#1239)

* feat(hpa): add support for custom annotations on hpa
Kong · Jan 27, 2025 · 36a457c · 36a457c
1 parent 60f7195
commit 36a457c
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diff --git a/charts/kong/README.md b/charts/kong/README.md
@@ -881,6 +881,7 @@ On the Gateway release side, set either `admin.tls.client.secretName` to the nam
 | autoscaling.enabled                | Set this to `true` to enable autoscaling                                              | `false`             |
 | autoscaling.minReplicas            | Set minimum number of replicas                                                        | `2`                 |
 | autoscaling.maxReplicas            | Set maximum number of replicas                                                        | `5`                 |
+| autoscaling.annotations            | Annotations for autoscaling                                                           | {}                  |
 | autoscaling.behavior               | Sets the [behavior for scaling up and down](https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/#configurable-scaling-behavior) | `{}`                |
 | autoscaling.targetCPUUtilizationPercentage | Target Percentage for when autoscaling takes affect. Only used if cluster does not support `autoscaling/v2` or `autoscaling/v2beta2` | `80`  |
 | autoscaling.metrics                | metrics used for autoscaling for clusters that supports `autoscaling/v2` or `autoscaling/v2beta2`           | See [values.yaml](values.yaml) |

diff --git a/charts/kong/templates/hpa.yaml b/charts/kong/templates/hpa.yaml
@@ -6,6 +6,12 @@ metadata:
   namespace:  {{ template "kong.namespace" . }}
   labels:
     {{- include "kong.metaLabels" . | nindent 4 }}
+  {{- if .Values.autoscaling.annotations }}
+  annotations:
+  {{- range $key, $value := .Values.autoscaling.annotations }}
+    {{ $key }}: {{ $value | quote }}
+  {{- end }}
+  {{- end }}
 spec:
   scaleTargetRef:
     apiVersion: apps/v1

diff --git a/charts/kong/values.yaml b/charts/kong/values.yaml
@@ -932,6 +932,7 @@ autoscaling:
   enabled: false
   minReplicas: 2
   maxReplicas: 5
+  annotations: {}
   behavior: {}
   ## targetCPUUtilizationPercentage only used if the cluster doesn't support autoscaling/v2 or autoscaling/v2beta
   targetCPUUtilizationPercentage: