fix(ipv6): use httpGet probes by default for IPv4 and IPv6 compatibility
Change default health probes from tcpSocket to httpGet to fix issue #68 where pods fail to start in IPv6-only clusters due to incompatible health checks. Changes: - Change default livenessProbe and readinessProbe to use httpGet with /health endpoint - Add comprehensive IPv6 and dual-stack configuration documentation - Document ipFamilyPolicy options (SingleStack, PreferDualStack, RequireDualStack) - Document ipFamilies configuration for IPv4-only, IPv6-only, and dual-stack setups - Add IPv6 Configuration section to README with examples - Update Chart version from 2.5.0 to 2.5.1 The httpGet probe works with both IPv4 and IPv6 out of the box, while tcpSocket may fail in IPv6-only environments. Jellyfin's /health endpoint is specifically designed for health checks and verifies both HTTP and database connectivity. Fixes: #68 Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: Aleksei Sviridkin <f@lex.la>
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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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@@ -69,7 +69,7 @@ helm install my-jellyfin jellyfin/jellyfin -f values.yaml
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| jellyfin.command | list | `[]` | Custom command to use as container entrypoint. |
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| jellyfin.enableDLNA | bool | `false` | Enable DLNA. Requires host network. See: https://jellyfin.org/docs/general/networking/dlna.html |
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| jellyfin.env | list | `[]` | Additional environment variables for the container. |
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| livenessProbe | object | `{"initialDelaySeconds":10,"tcpSocket":{"port":"http"}}` | Configure liveness probe for Jellyfin. |
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| livenessProbe | object | `{"httpGet":{"path":"/health","port":"http"},"initialDelaySeconds":10}` | Configure liveness probe for Jellyfin. Uses httpGet for compatibility with both IPv4 and IPv6. |
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| metrics | object | `{"enabled":false,"serviceMonitor":{"enabled":false,"interval":"30s","labels":{},"metricRelabelings":[],"namespace":"","path":"/metrics","port":8096,"relabelings":[],"scheme":"http","scrapeTimeout":"30s","targetLabels":[],"tlsConfig":{}}}` | Configuration for metrics collection and monitoring |
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| metrics.enabled | bool | `false` | Enable or disable metrics collection |
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| metrics.serviceMonitor | object | `{"enabled":false,"interval":"30s","labels":{},"metricRelabelings":[],"namespace":"","path":"/metrics","port":8096,"relabelings":[],"scheme":"http","scrapeTimeout":"30s","targetLabels":[],"tlsConfig":{}}` | Configuration for the Prometheus ServiceMonitor |
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@@ -107,14 +107,14 @@ helm install my-jellyfin jellyfin/jellyfin -f values.yaml
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| podPrivileges.hostPID | bool | `false` | Enable hostPID namespace. Allows pod to see processes on the host. |
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| podSecurityContext | object | `{}` | Security context for the pod. |
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| priorityClassName | string | `""` | Define a priorityClassName for the pod. |
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| readinessProbe | object | `{"initialDelaySeconds":10,"tcpSocket":{"port":"http"}}` | Configure readiness probe for Jellyfin. |
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| readinessProbe | object | `{"httpGet":{"path":"/health","port":"http"},"initialDelaySeconds":10}` | Configure readiness probe for Jellyfin. Uses httpGet for compatibility with both IPv4 and IPv6. |
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| replicaCount | int | `1` | Number of Jellyfin replicas to start. Should be left at 1. |
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| resources | object | `{}` | Resource requests and limits for the Jellyfin container. |
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| runtimeClassName | string | `""` | Define a custom runtimeClassName for the pod. |
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| securityContext | object | `{}` | Security context for the container. |
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| service.annotations | object | `{}` | Annotations for the service. |
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| service.ipFamilies | list | `[]` | Supported IP families (IPv4, IPv6). |
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| service.ipFamilyPolicy | string | `""` | Configure dual-stack IP family policy. See: https://kubernetes.io/docs/concepts/services-networking/dual-stack/ |
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| service.ipFamilies | list | `[]` | Supported IP families (IPv4, IPv6). Examples: IPv4 only: ["IPv4"] IPv6 only: ["IPv6"] Dual-stack (IPv4 primary): ["IPv4", "IPv6"] Dual-stack (IPv6 primary): ["IPv6", "IPv4"] Note: When using IPv6, ensure your health checks are compatible (consider using httpGet instead of tcpSocket) |
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| service.ipFamilyPolicy | string | `""` | Configure dual-stack IP family policy. See: https://kubernetes.io/docs/concepts/services-networking/dual-stack/ Options: SingleStack, PreferDualStack, RequireDualStack For IPv6-only clusters, use "SingleStack" with ipFamilies: ["IPv6"] For dual-stack, use "PreferDualStack" or "RequireDualStack" with ipFamilies: ["IPv4", "IPv6"] or ["IPv6", "IPv4"] |
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| service.labels | object | `{}` | Labels for the service. |
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| service.loadBalancerClass | string | `""` | Class of the LoadBalancer. |
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| service.loadBalancerIP | string | `""` | Specific IP address for the LoadBalancer. |
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@@ -160,3 +160,32 @@ extraVolumeMounts:
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- name: hwa
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mountPath: /dev/dri
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```
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## IPv6 Configuration
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This chart supports IPv6 and dual-stack networking configurations out of the box. Health probes use httpGet by default for compatibility with both IPv4 and IPv6.
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### IPv6-only Configuration
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For IPv6-only clusters:
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```yaml
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service:
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ipFamilyPolicy: SingleStack
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ipFamilies:
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- IPv6
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```
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### Dual-stack Configuration
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For dual-stack clusters (both IPv4 and IPv6):
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```yaml
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service:
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ipFamilyPolicy: PreferDualStack # or RequireDualStack
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ipFamilies:
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- IPv4
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- IPv6 # First family in the list is the primary
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```
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For more information about Kubernetes dual-stack networking, see: <https://kubernetes.io/docs/concepts/services-networking/dual-stack/>
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