Allow config of a non-0 initial scale for scaled-to-0 streams apps

bakdata · Nov 29, 2024 · e1838fa · e1838fa
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diff --git a/charts/streams-app/README.md b/charts/streams-app/README.md
@@ -103,6 +103,7 @@ Alternatively, a YAML file that specifies the values for the parameters can be p
 | `autoscaling.lagThreshold`       | Average target value to trigger scaling actions.                                                                   |            |
 | `autoscaling.pollingInterval`    | https://keda.sh/docs/2.10/concepts/scaling-deployments/#pollinginterval                                            | `30`       |
 | `autoscaling.cooldownPeriod`     | https://keda.sh/docs/2.10/concepts/scaling-deployments/#cooldownperiod                                             | `300`      |
+<!-- initialCooldownPeriod -->
 | `autoscaling.offsetResetPolicy`  | The offset reset policy for the consumer if the the consumer group is not yet subscribed to a partition.           | `earliest` |
 | `autoscaling.minReplicas`        | https://keda.sh/docs/2.10/concepts/scaling-deployments/#minreplicacount                                            | `0`        |
 | `autoscaling.maxReplicas`        | https://keda.sh/docs/2.10/concepts/scaling-deployments/#maxreplicacount                                            | `1`        |

diff --git a/charts/streams-app/templates/scaled-object.yaml b/charts/streams-app/templates/scaled-object.yaml
@@ -23,6 +23,7 @@ spec:
     name: {{ template "streams-app.fullname" . }}
   pollingInterval: {{ .Values.autoscaling.pollingInterval }}
   cooldownPeriod:  {{ .Values.autoscaling.cooldownPeriod }}
+  initialCooldownPeriod: {{ .Values.autoscaling.initialCooldownPeriod }}
   minReplicaCount: {{ .Values.autoscaling.minReplicas }}
   maxReplicaCount: {{ .Values.autoscaling.maxReplicas }}
   {{- if hasKey .Values.autoscaling "idleReplicas" }}

diff --git a/charts/streams-app/values.yaml b/charts/streams-app/values.yaml
@@ -101,6 +101,7 @@ autoscaling:
   # lagThreshold: "1000"
   pollingInterval: 30
   cooldownPeriod: 300
+  initialCooldownPeriod: 0
   offsetResetPolicy: earliest
   minReplicas: 0
   maxReplicas: 1