add servicemonitor to hub-treasuries

Author: mpwsh

charts/hub-treasuries/Chart.yaml

@@ -18,7 +18,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.6.0
+version: 0.7.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

charts/hub-treasuries/templates/service.yaml

@@ -13,3 +13,29 @@ spec:
       name: http
   selector:
     {{- include "hub-treasuries.selectorLabels" . | nindent 4 }}
+{{- if and (.Capabilities.APIVersions.Has "monitoring.coreos.com/v1") (.Values.serviceMonitor.enabled) }}
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ include "hub-treasuries.fullname" . }}
+  {{- if .Release.Namespace }}
+  namespace: {{ .Release.Namespace }}
+  {{- end }}
+  labels:
+    {{- include "hub-treasuries.labels" . | nindent 4 }}
+{{- with .Values.serviceMonitor.labels }}
+  {{- toYaml . | nindent 4 }}
+{{- end }}
+spec:
+  endpoints:
+  - path: /metrics
+    port: http
+    scheme: {{ .Values.serviceMonitor.scheme }}
+    interval: {{ .Values.serviceMonitor.scrapeInterval }}
+    scrapeTimeout: {{ .Values.serviceMonitor.scrapeTimeout }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "hub-treasuries.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end -}}

charts/hub-treasuries/values.yaml

@@ -47,6 +47,13 @@ service:
   type: ClusterIP
   port: 80
 
+serviceMonitor:
+  enabled: true
+  scheme: http
+  scrapeInterval: 60s
+  scrapeTimeout: 30s
+  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