Add optional prometheus pod monitor

charts/trino/templates/podmonitor.yaml

@@ -0,0 +1,26 @@
+{{- if .Values.monitoring.enabled -}}
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: {{ include "trino.fullname" . }}
+  labels:
+  {{- include "trino.labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+  {{- include "trino.selectorLabels" . | nindent 6 }}
+  namespaceSelector:
+    matchNames:
+      - {{ .Release.Namespace }}
+  podMetricsEndpoints:
+    - interval: {{ .Values.monitoring.interval}}
+      scrapeTimeout: {{ .Values.monitoring.scrapeTimeout }}
+      path: {{ .Values.monitoring.path }}
+      port: {{ .Values.monitoring.port }}
+      honorLabels: {{ .Values.monitoring.honorLabels }}
+      honorTimestamps: {{ .Values.monitoring.honorTimestamps }}
+  podTargetLabels:
+    {{- range .Values.monitoring.additionalPodTargetLabels }}
+    - {{ . }}
+    {{- end }}
+  {{- end }}

charts/trino/values.yaml

@@ -439,3 +439,29 @@
   #  - secretName: chart-example-tls
   #    hosts:
   #      - chart-example.local
+
+
+# Requires the prometheus-operator to be installed in the cluster
+# Requires jmx_exporter to be installed in the cluster
+monitoring:
+  # monitoring.enabled -- Enable or disable monitoring on your pod.
+  enabled: false
+  # monitoring.path -- define the path of the Prometheus endpoint
+  path: /metrics
+  # monitoring.port -- define the port of the Prometheus endpoint
+  port: 9483
+  # monitoring.interval -- interval for scraping metrics
+  interval: 15s
+  # monitoring.scrapeTimeout -- timeout for scraping metrics
+  scrapeTimeout: 15s
+  # monitoring.honorLabels -- honor labels in the scrape
+  honorLabels: true
+  # monitoring.honorTimestamps -- honor timestamps in the scrape
+  honorTimestamps: true
+  # monitoring.additionalPodTargetLabels -- extra labels from your pods that you want to appear in your metrics
+  additionalPodTargetLabels: []
+  #  - label: "app"
+  #    path: "metadata.labels.app"
+  #  - label: "release"
+  #    path: "metadata.labels.release"
+