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[memcached]: Implement PDB (CloudPirates-io#295)
* [memcached]: Implement PDB * Bump chart version * Update CHANGELOG.md Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> * Adjust readme * Fix linting * Update CHANGELOG.md Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> * Update CHANGELOG.md Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> --------- Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> Co-authored-by: Gianni <gianni.carafa@srf.ch>
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‎charts/memcached/CHANGELOG.md‎

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# Changelog
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## 0.2.1 (2025-10-09)
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## 0.2.2 (2025-10-10)
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* [mongodb] fix: newline between mongo labels and additional labels ([#301](https://github.com/CloudPirates-io/helm-charts/pull/301))
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* [memcached]: Implement PDB ([#295](https://github.com/CloudPirates-io/helm-charts/pull/295))
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## <small>0.2.1 (2025-10-02)</small>
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* chore(deps): update docker.io/memcached:1.6.39 Docker digest to 157c563 (#185) ([d55b428](https://github.com/CloudPirates-io/helm-charts/commit/d55b428)), closes [#185](https://github.com/CloudPirates-io/helm-charts/issues/185)
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## 0.2.0 (2025-10-01)
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* cast verbosity to int before passing to repeat ([518b602](https://github.com/CloudPirates-io/helm-charts/commit/518b602))
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* chore(deps): update docker.io/memcached:1.6.39 Docker digest to 68c1185 ([3c6ec49](https://github.com/CloudPirates-io/helm-charts/commit/3c6ec49))
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* make memcached run on openshift (#194) ([87ffbbf](https://github.com/CloudPirates-io/helm-charts/commit/87ffbbf)), closes [#194](https://github.com/CloudPirates-io/helm-charts/issues/194)
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* Bump chart version ([1661d8d](https://github.com/CloudPirates-io/helm-charts/commit/1661d8d))
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* bump version ([884f4ab](https://github.com/CloudPirates-io/helm-charts/commit/884f4ab))
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* mariadb now respects full custom container security context settings ([770ea69](https://github.com/CloudPirates-io/helm-charts/commit/770ea69))
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* Update CHANGELOG.md ([7a828fa](https://github.com/CloudPirates-io/helm-charts/commit/7a828fa))
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* Update CHANGELOG.md ([f9df296](https://github.com/CloudPirates-io/helm-charts/commit/f9df296))
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* Update CHANGELOG.md ([0c85529](https://github.com/CloudPirates-io/helm-charts/commit/0c85529))
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* Update CHANGELOG.md ([0e5b657](https://github.com/CloudPirates-io/helm-charts/commit/0e5b657))
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* Update CHANGELOG.md ([dcabcee](https://github.com/CloudPirates-io/helm-charts/commit/dcabcee))
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* Update CHANGELOG.md ([812bd46](https://github.com/CloudPirates-io/helm-charts/commit/812bd46))
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* Update docker.io/memcached:1.6.39 Docker digest to 4404f32 ([454eea5](https://github.com/CloudPirates-io/helm-charts/commit/454eea5))
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## 0.1.0 (2025-09-02)
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* add extraObject array to all charts ([34772b7](https://github.com/CloudPirates-io/helm-charts/commit/34772b7))
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* Add initial Changelogs to all Charts ([68f10ca](https://github.com/CloudPirates-io/helm-charts/commit/68f10ca))
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* bump all chart versions for new extraObjects feature ([aaa57f9](https://github.com/CloudPirates-io/helm-charts/commit/aaa57f9))
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## <small>0.0.1 (2025-08-26)</small>
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* [memcached]: Initial Memcached Implementation (#17) ([790bcbd](https://github.com/CloudPirates-io/helm-charts/commit/790bcbd)), closes [#17](https://github.com/CloudPirates-io/helm-charts/issues/17)

‎charts/memcached/Chart.yaml‎

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name: memcached
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description: Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering.
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type: application
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version: 0.2.1
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version: 0.2.2
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appVersion: "1.6.39"
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keywords:

‎charts/memcached/README.md‎

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| `ingress.hosts` | An array with hosts and paths | `[{"host": "memcached.local", "paths": [{"path": "/", "pathType": "ImplementationSpecific"}]}]` |
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| `ingress.tls` | TLS configuration for the Ingress | `[]` |
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### Pod Disruption Budget Parameters
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| Parameter | Description | Default |
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| -------------------- | -------------------------------------------------------------- | ------- |
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| `pdb.create` | Enable/disable a Pod Disruption Budget creation | `false` |
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| `pdb.minAvailable` | Minimum number/percentage of pods that should remain scheduled | `""` |
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| `pdb.maxUnavailable` | Maximum number/percentage of pods that may be made unavailable | `""` |
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### Extra Configuration Parameters
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| Parameter | Description | Default |
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service:
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type: ClusterIP
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# Enable Pod Disruption Budget for high availability
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pdb:
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create: true
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minAvailable: 1
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# Use anti-affinity to spread pods across nodes
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affinity:
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podAntiAffinity:

‎charts/memcached/templates/pdb.yaml‎

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{{- if .Values.pdb.create }}
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apiVersion: policy/v1
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kind: PodDisruptionBudget
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metadata:
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name: {{ template "memcached.fullname" . }}-pdb
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namespace: {{ .Release.Namespace }}
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labels: {{- include "memcached.labels" . | nindent 4 }}
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{{- with (include "memcached.annotations" .) }}
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annotations:
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{{- . | nindent 4 }}
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{{- end }}
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spec:
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{{- if .Values.pdb.minAvailable }}
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minAvailable: {{ .Values.pdb.minAvailable }}
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{{- end }}
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{{- if or .Values.pdb.maxUnavailable (not .Values.pdb.minAvailable) }}
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maxUnavailable: {{ .Values.pdb.maxUnavailable | default 1 }}
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{{- end }}
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selector:
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matchLabels:
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{{- include "memcached.selectorLabels" . | nindent 6 }}
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{{- end }}

‎charts/memcached/values.schema.json‎

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"type": "object",
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"description": "A Kubernetes manifest object. All fields are allowed."
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}
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},
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"pdb": {
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"type": "object",
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"title": "Pod Disruption Budget configuration",
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"description": "Pod Disruption Budget (PDB) configuration to ensure high availability",
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"properties": {
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"create": {
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"type": "boolean",
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"title": "Create PDB",
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"description": "Enable/disable a Pod Disruption Budget creation"
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},
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"minAvailable": {
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"oneOf": [
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{
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"type": "integer",
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"minimum": 0
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},
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{
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"type": "string",
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"pattern": "^([0-9]+%|)$"
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}
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],
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"title": "Minimum Available",
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"description": "Minimum number/percentage of pods that should remain scheduled"
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},
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"maxUnavailable": {
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"oneOf": [
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{
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"type": "integer",
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"minimum": 0
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},
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{
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"type": "string",
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"pattern": "^([0-9]+%|)$"
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}
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],
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"title": "Maximum Unavailable",
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"description": "Maximum number/percentage of pods that may be made unavailable"
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}
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}
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}
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}
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}

‎charts/memcached/values.yaml‎

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## @param affinity Affinity rules for pod assignment
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affinity: {}
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## @section Pod Disruption Budget parameters
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pdb:
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## @param pdb.create Enable/disable a Pod Disruption Budget creation
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create: false
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## @param pdb.minAvailable Minimum number/percentage of pods that should remain scheduled
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minAvailable: ""
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## @param pdb.maxUnavailable Maximum number/percentage of pods that may be made unavailable.
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maxUnavailable: ""
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containerSecurityContext:
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## @param containerSecurityContext.runAsUser User ID to run the container
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runAsUser: 11211

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