[stable/home-assistant] added servicemonitor (#13524)

* Added servicemonitor

Signed-off-by: Philipp Hellmich <phil@hellmi.de>

* Update values.yaml

Signed-off-by: Philipp Hellmich <philipp.hellmich@bertelsmann.de>

stable/home-assistant/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v1
-appVersion: 0.92.1
+appVersion: 0.92.2
 description: Home Assistant
 name: home-assistant
-version: 0.8.0
+version: 0.8.2
 keywords:
 - home-assistant
 - hass

stable/home-assistant/templates/servicemonitor.yaml

@@ -0,0 +1,28 @@
+{{- if and ( .Values.monitoring.serviceMonitor.enabled ) ( .Values.monitoring.enabled ) }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+{{- if .Values.monitoring.serviceMonitor.labels }}
+  labels:
+{{ toYaml .Values.monitoring.serviceMonitor.labels | indent 4}}
+{{- end }}
+  name: {{ template "home-assistant.fullname" . }}-prometheus-exporter
+{{- if .Values.monitoring.serviceMonitor.namespace }}
+  namespace: {{ .Values.monitoring.serviceMonitor.namespace }}
+{{- end }}
+spec:
+  endpoints:
+  - targetPort: api
+    path: /api/prometheus
+{{- if .Values.monitoring.serviceMonitor.interval }}
+    interval: {{ .Values.monitoring.serviceMonitor.interval }}
+{{- end }}
+  jobLabel: {{ template "home-assistant.fullname" . }}-prometheus-exporter
+  namespaceSelector:
+    matchNames:
+    - {{ .Release.Namespace }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "home-assistant.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}

stable/home-assistant/values.yaml

@@ -151,6 +151,23 @@ configurator:
     loadBalancerSourceRanges: []
     # nodePort: 30000
 
+## Add support for Prometheus
+# settings has to be enabled in configuration.yaml
+# https://www.home-assistant.io/components/prometheus/
+monitoring:
+  enabled: false
+  serviceMonitor:
+    # When set true and if Prometheus Operator is installed then use a ServiceMonitor to configure scraping
+    enabled: true
+    # Set the namespace the ServiceMonitor should be deployed
+    # namespace: monitoring
+    # Set how frequently Prometheus should scrape
+    # interval: 30s
+    # Set path to beats-exporter telemtery-path
+    # telemetryPath: /metrics
+    # Set labels for the ServiceMonitor, use this to define your scrape label for Prometheus Operator
+    # labels:
+
 resources: {}
   # We usually recommend not to specify default resources and to leave this as a conscious
   # choice for the user. This also increases chances charts run on environments with little