chore(helms-charts): added podmonitor to dolos

Signed-off-by: Tripura Repalle <tripura@blinklabs.io>

Author: tripura-repalle

charts/dolos/templates/podmonitor.yaml

@@ -0,0 +1,51 @@
+{{- if .Values.podMonitor.enabled }}
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: {{ .Release.Name }}-podmonitor
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "dolos.labels" . | nindent 4 }}
+    {{- with .Values.podMonitor.labels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
+spec:
+  selector:
+    matchLabels: {{- include "dolos.selectorLabels" . | nindent 6 }}
+  {{- with .Values.podMonitor.podTargetLabels }}
+  podTargetLabels:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  podMetricsEndpoints:
+    {{- if .Values.podMonitor.podMetricsEndpoints }}
+    {{- toYaml .Values.podMonitor.podMetricsEndpoints | nindent 4 }}
+    {{- else }}
+    - port: {{ .Values.podMonitor.port | default "minikupo" }}
+      path: {{ .Values.podMonitor.path | default "/health" }}
+      {{- with .Values.podMonitor.interval }}
+      interval: {{ . }}
+      {{- end }}
+      {{- with .Values.podMonitor.scrapeTimeout }}
+      scrapeTimeout: {{ . }}
+      {{- end }}
+      {{- with .Values.podMonitor.scheme }}
+      scheme: {{ . }}
+      {{- end }}
+      honorLabels: {{ .Values.podMonitor.honorLabels | default false }}
+      {{- if .Values.podMonitor.headers }}
+      headers:
+        {{- toYaml .Values.podMonitor.headers | nindent 8 }}
+      {{- else }}
+      headers:
+        Accept: text/plain
+      {{- end }}
+      {{- with .Values.podMonitor.relabelings }}
+      relabelings:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.podMonitor.metricRelabelings }}
+      metricRelabelings:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    {{- end }}
+{{- end }}

charts/dolos/values.yaml

@@ -48,6 +48,31 @@ storage:
   size: 50Gi
   # storageClassName: gp
 
+# Prometheus Operator PodMonitor (requires monitoring.coreos.com CRDs)
+podMonitor:
+  enabled: false
+  # Extra labels added to the PodMonitor metadata (e.g. release: kube-prometheus-stack)
+  labels: {}
+  # Pod labels to copy onto the scraped target
+  podTargetLabels: []
+  # Named container port to scrape. Must match a port name on the dolos pod.
+  # The MiniKupo health endpoint is exposed on the `minikupo` port (1442).
+  port: minikupo
+  # Scrape path. Dolos MiniKupo exposes a plaintext /health endpoint.
+  path: /health
+  # interval: 30s
+  # scrapeTimeout: 10s
+  # scheme: http
+  honorLabels: false
+  # Request headers sent on each scrape. MiniKupo /health requires Accept: text/plain.
+  headers:
+    Accept: text/plain
+  # Optional Prometheus relabel configs
+  relabelings: []
+  metricRelabelings: []
+  # If set, fully overrides the default podMetricsEndpoints generated above.
+  podMetricsEndpoints: []
+
 tolerations: []
 
 affinity: {}