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[bitnami/kafka] feat: ✨ Add autoscaling support (experimental) (#24929)

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* [bitnami/kafka] feat: ✨ Add autoscaling support (experimental)

Signed-off-by: Javier Salmeron Garcia <jsalmeron@vmware.com>

* chore: 🔧 Bump chart version

Signed-off-by: Javier J. Salmerón-García <jsalmeron@vmware.com>

---------

Signed-off-by: Javier Salmeron Garcia <jsalmeron@vmware.com>
Signed-off-by: Javier J. Salmerón-García <jsalmeron@vmware.com>
This commit is contained in:
Javier J. Salmerón-García
2024-04-25 16:35:05 +02:00
committed by GitHub
parent 77c4c6f541
commit e0c0d63020
7 changed files with 521 additions and 211 deletions
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51
bitnami/kafka/templates/broker/hpa.yaml Normal file
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@@ -0,0 +1,51 @@
{{- /*
Copyright VMware, Inc.
SPDX-License-Identifier: APACHE-2.0
*/}}
{{- $replicaCount := int .Values.broker.replicaCount }}
{{- if and (gt $replicaCount 0) .Values.broker.autoscaling.hpa.enabled }}
apiVersion: {{ include "common.capabilities.hpa.apiVersion" ( dict "context" $ ) }}
kind: HorizontalPodAutoscaler
metadata:
name: {{ printf "%s-broker" (include "common.names.fullname" .) }}
namespace: {{ include "common.names.namespace" . | quote }}
labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
app.kubernetes.io/component: broker
app.kubernetes.io/part-of: kafka
{{- if or .Values.broker.autoscaling.hpa.annotations .Values.commonAnnotations }}
{{- $annotations := include "common.tplvalues.merge" ( dict "values" ( list .Values.broker.autoscaling.hpa.annotations .Values.commonAnnotations ) "context" . ) }}
annotations: {{- include "common.tplvalues.render" ( dict "value" $annotations "context" $) | nindent 4 }}
{{- end }}
spec:
scaleTargetRef:
apiVersion: {{ template "common.capabilities.statefulset.apiVersion" . }}
kind: StatefulSet
name: {{ printf "%s-broker" (include "common.names.fullname" .) }}
minReplicas: {{ .Values.broker.autoscaling.hpa.minReplicas }}
maxReplicas: {{ .Values.broker.autoscaling.hpa.maxReplicas }}
metrics:
{{- if .Values.broker.autoscaling.hpa.targetCPU }}
- type: Resource
resource:
name: cpu
{{- if semverCompare "<1.23-0" (include "common.capabilities.kubeVersion" .) }}
targetAverageUtilization: {{ .Values.broker.autoscaling.hpa.targetCPU }}
{{- else }}
target:
type: Utilization
averageUtilization: {{ .Values.broker.autoscaling.hpa.targetCPU }}
{{- end }}
{{- end }}
{{- if .Values.broker.autoscaling.hpa.targetMemory }}
- type: Resource
resource:
name: memory
{{- if semverCompare "<1.23-0" (include "common.capabilities.kubeVersion" .) }}
targetAverageUtilization: {{ .Values.broker.autoscaling.hpa.targetMemory }}
{{- else }}
target:
type: Utilization
averageUtilization: {{ .Values.broker.autoscaling.hpa.targetMemory }}
{{- end }}
{{- end }}
{{- end }}

45
bitnami/kafka/templates/broker/vpa.yaml Normal file
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{{- /*
Copyright VMware, Inc.
SPDX-License-Identifier: APACHE-2.0
*/}}
{{- $replicaCount := int .Values.broker.replicaCount }}
{{- if and (gt $replicaCount 0) (.Capabilities.APIVersions.Has "autoscaling.k8s.io/v1/VerticalPodAutoscaler") .Values.broker.autoscaling.vpa.enabled }}
apiVersion: {{ include "common.capabilities.vpa.apiVersion" . }}
kind: VerticalPodAutoscaler
metadata:
name: {{ printf "%s-broker" (include "common.names.fullname" .) }}
namespace: {{ include "common.names.namespace" . | quote }}
labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
app.kubernetes.io/component: broker
app.kubernetes.io/part-of: kafka
{{- if or .Values.broker.autoscaling.vpa.annotations .Values.commonAnnotations }}
{{- $annotations := include "common.tplvalues.merge" ( dict "values" ( list .Values.broker.autoscaling.vpa.annotations .Values.commonAnnotations ) "context" . ) }}
annotations: {{- include "common.tplvalues.render" ( dict "value" $annotations "context" $) | nindent 4 }}
{{- end }}
spec:
resourcePolicy:
containerPolicies:
- containerName: kafka
{{- with .Values.broker.autoscaling.vpa.controlledResources }}
controlledResources:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.broker.autoscaling.vpa.maxAllowed }}
maxAllowed:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- with .Values.broker.autoscaling.vpa.minAllowed }}
minAllowed:
{{- toYaml . | nindent 8 }}
{{- end }}
targetRef:
apiVersion: {{ (include "common.capabilities.statefulset.apiVersion" .) }}
kind: StatefulSet
name: {{ printf "%s-broker" (include "common.names.fullname" .) }}
{{- if .Values.broker.autoscaling.vpa.updatePolicy }}
updatePolicy:
{{- with .Values.broker.autoscaling.vpa.updatePolicy.updateMode }}
updateMode: {{ . }}
{{- end }}
{{- end }}
{{- end }}