feat: ✨ add metrics and serviceMontior (#39)

charts/jellyfin/templates/serviceMonitor.yaml

@@ -0,0 +1,51 @@
+{{- if and .Values.metrics.serviceMonitor.enabled .Values.metrics.enabled }}
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ include "jellyfin.fullname" . }}
+  {{- if .Values.metrics.serviceMonitor.namespace }}
+  namespace: {{ tpl .Values.metrics.serviceMonitor.namespace . }}
+  {{- else }}
+  labels:
+    app.kubernetes.io/name: {{ include "jellyfin.name" . }}
+    helm.sh/chart: {{ include "jellyfin.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    {{- with .Values.metrics.serviceMonitor.labels }}
+    {{- tpl (toYaml . | nindent 4) $ }}
+    {{- end }}
+spec:
+  endpoints:
+  - port: {{ .Values.service.name }}
+    {{- with .Values.metrics.serviceMonitor.interval }}
+    interval: {{ . }}
+    {{- end }}
+    {{- with .Values.metrics.serviceMonitor.scrapeTimeout }}
+    scrapeTimeout: {{ . }}
+    {{- end }}
+    honorLabels: true
+    path: {{ .Values.metrics.serviceMonitor.path }}
+    scheme: {{ .Values.metrics.serviceMonitor.scheme }}
+    {{- with .Values.metrics.serviceMonitor.tlsConfig }}
+    tlsConfig:
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+    {{- with .Values.metrics.serviceMonitor.relabelings }}
+    relabelings:
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+    {{- with .Values.metrics.serviceMonitor.metricRelabelings }}
+    metricRelabelings:
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+  jobLabel: "{{ .Release.Name }}"
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "jellyfin.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  {{- with .Values.metrics.serviceMonitor.targetLabels }}
+  targetLabels:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}