feat(persistence): add cache volume persistence support
Add dedicated cache volume configuration to reduce wear on SD cards and improve
performance by allowing cache to be stored on separate storage.
Changes:
- Add persistence.cache configuration in values.yaml with support for:
- PVC (default type when enabled)
- hostPath for direct host mount
- emptyDir (default when disabled)
- Add cache volume mount at /cache in deployment
- Add cache PersistentVolumeClaim template
- Support for existing PVC via existingClaim
- Configurable size (default 10Gi), accessMode, storageClass, and annotations
- Update Chart version from 2.5.0 to 2.5.1
- Add Artifact Hub changelog annotation
The cache volume is disabled by default to maintain backward compatibility.
Users can enable it via:
```yaml
persistence:
cache:
enabled: true
type: pvc
size: 10Gi
```
This addresses the use case mentioned in #62 where users want to avoid SD card
wear by storing cache on separate persistent storage.
Fixes: #62
Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Aleksei Sviridkin <f@lex.la>
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Aleksei SviridkinandClaude committed
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@@ -8,5 +8,9 @@ keywords:
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- jellyfin
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- media
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- self-hosted
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version: 2.5.0
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version: 2.5.1
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appVersion: 10.11.2
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annotations:
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artifacthub.io/changes: |
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- kind: added
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description: Add persistence.cache configuration for dedicated cache volume support
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@@ -1,6 +1,6 @@
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# jellyfin
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A Helm chart for Jellyfin Media Server
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@@ -87,6 +87,13 @@ helm install my-jellyfin jellyfin/jellyfin -f values.yaml
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| metrics.serviceMonitor.tlsConfig | object | `{}` | TLS configuration for scraping metrics |
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| nameOverride | string | `""` | Override the default name of the chart. |
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| nodeSelector | object | `{}` | Node selector for pod scheduling. |
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| persistence.cache.accessMode | string | `"ReadWriteOnce"` | PVC specific settings, only used if type is 'pvc'. |
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| persistence.cache.annotations | object | `{}` | Custom annotations to be added to the PVC |
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| persistence.cache.enabled | bool | `false` | set to false to use emptyDir |
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| persistence.cache.hostPath | string | `""` | Path on the host node for cache storage, only used if type is 'hostPath'. |
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| persistence.cache.size | string | `"10Gi"` | |
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| persistence.cache.storageClass | string | `""` | If undefined (the default) or set to null, no storageClassName spec is set, choosing the default provisioner. |
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| persistence.cache.type | string | `"pvc"` | Type of volume for cache storage (pvc, hostPath, emptyDir). If 'enabled' is false, 'emptyDir' is used regardless of this setting. |
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| persistence.config.accessMode | string | `"ReadWriteOnce"` | |
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| persistence.config.annotations | object | `{}` | Custom annotations to be added to the PVC |
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| persistence.config.enabled | bool | `true` | set to false to use emptyDir |
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@@ -119,6 +119,8 @@ spec:
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name: config
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- mountPath: /media
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name: media
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- mountPath: /cache
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name: cache
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{{- with .Values.volumeMounts }}
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{{- toYaml . | nindent 12 }}
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{{- end }}
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@@ -152,6 +154,21 @@ spec:
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{{- else }}
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emptyDir: {}
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{{- end }}
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- name: cache
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{{- if .Values.persistence.cache.enabled }}
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{{- if eq .Values.persistence.cache.type "pvc" }}
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persistentVolumeClaim:
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claimName: {{ if .Values.persistence.cache.existingClaim }}{{ .Values.persistence.cache.existingClaim }}{{- else }}{{ template "jellyfin.fullname" . }}-cache{{- end }}
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{{- else if eq .Values.persistence.cache.type "hostPath" }}
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hostPath:
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path: {{ .Values.persistence.cache.hostPath }}
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type: Directory
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{{- else }}
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emptyDir: {}
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{{- end }}
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{{- else }}
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emptyDir: {}
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{{- end }}
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{{- with .Values.volumes }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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@@ -43,3 +43,26 @@ spec:
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storageClassName: {{ . | quote }}
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{{- end }}
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{{- end }}
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{{- if and .Values.persistence.cache.enabled (eq .Values.persistence.cache.type "pvc") (not .Values.persistence.cache.existingClaim) }}
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: {{ include "jellyfin.fullname" . }}-cache
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labels:
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{{- include "jellyfin.labels" . | nindent 4 }}
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{{- with .Values.persistence.cache.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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accessModes:
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- {{ .Values.persistence.cache.accessMode | quote }}
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resources:
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requests:
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storage: {{ .Values.persistence.cache.size | quote }}
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{{- with .Values.persistence.cache.storageClass }}
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storageClassName: {{ . | quote }}
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{{- end }}
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{{- end }}
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@@ -222,6 +222,22 @@ persistence:
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storageClass: ''
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## -- Use an existing PVC for this mount
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# existingClaim: ''
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cache:
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# -- set to false to use emptyDir
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enabled: false
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# -- Type of volume for cache storage (pvc, hostPath, emptyDir). If 'enabled' is false, 'emptyDir' is used regardless of this setting.
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type: pvc
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# -- Path on the host node for cache storage, only used if type is 'hostPath'.
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hostPath: ""
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# -- PVC specific settings, only used if type is 'pvc'.
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accessMode: ReadWriteOnce
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size: 10Gi
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# -- Custom annotations to be added to the PVC
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annotations: {}
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# -- If undefined (the default) or set to null, no storageClassName spec is set, choosing the default provisioner.
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storageClass: ''
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## -- Use an existing PVC for this mount
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# existingClaim: ''
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# -- Configuration for metrics collection and monitoring
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metrics:
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