feat: add ServiceMonitor/Scrape (#15)

charts/athens-proxy/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: athens-proxy
-version: 0.5.7
+version: 0.5.8
 appVersion: v0.11.0
 description: The proxy server for Go modules
 icon: https://raw.githubusercontent.com/gomods/athens/main/docs/static/banner.png
@@ -19,4 +19,6 @@ maintainers:
   email: [email protected]
 - name: DrPsychick
   email: [email protected]
+- name: nrwiersma
+  email: [email protected]
 engine: gotpl

charts/athens-proxy/templates/service-monitor.yaml

@@ -0,0 +1,40 @@
+{{- if .Values.metrics.serviceMonitor.enabled }}
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  labels:
+    app: {{ template "fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+    prometheus: default
+  {{- with .Values.service.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  name: {{ template "fullname" . }}
+  {{- if .Values.metrics.serviceMonitor.namespace }}
+  namespace: {{ .Values.metrics.serviceMonitor.namespace }}
+  {{- end }}
+spec:
+  endpoints:
+  - path: /metrics
+    port: http
+    {{- if .Values.basicAuth.enabled }}
+    basicAuth:
+      password:
+        name: {{ .Values.basicAuth.secretName }}
+        key: {{ .Values.basicAuth.passwordSecretKey }}
+      username:
+        name: {{ .Values.basicAuth.secretName }}
+        key: {{ .Values.basicAuth.usernameSecretKey }}
+    {{- end }}
+  namespaceSelector:
+    matchNames:
+    - {{ .Release.Namespace }}
+  selector:
+    matchLabels:
+      app: {{ template "fullname" . }}
+      release: "{{ .Release.Name }}"
+{{- end }}

charts/athens-proxy/templates/service-scrape.yaml

@@ -0,0 +1,41 @@
+{{- if .Values.metrics.serviceScrape.enabled }}
+---
+apiVersion: operator.victoriametrics.com/v1beta1
+kind: VMServiceScrape
+metadata:
+  labels:
+    app: {{ template "fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+    prometheus: default
+  {{- with .Values.service.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  name: {{ template "fullname" . }}
+  {{- if .Values.metrics.serviceScrape.namespace }}
+  namespace: {{ .Values.metrics.serviceScrape.namespace }}
+  {{- end }}
+spec:
+  endpoints:
+  - path: /metrics
+    port: http
+    {{- if .Values.basicAuth.enabled }}
+    basicAuth:
+      password:
+        name: {{ .Values.basicAuth.secretName }}
+        key: {{ .Values.basicAuth.passwordSecretKey }}
+      username:
+        name: {{ .Values.basicAuth.secretName }}
+        key: {{ .Values.basicAuth.usernameSecretKey }}
+    {{- end }}
+  jobLabel: {{ template "fullname" . }}
+  namespaceSelector:
+    matchNames:
+    - {{ .Release.Namespace }}
+  selector:
+    matchLabels:
+      app: {{ template "fullname" . }}
+      release: "{{ .Release.Name }}"
+{{- end }}

charts/athens-proxy/values.yaml

@@ -155,6 +155,19 @@ sshGitServers: {}
 
 goGetWorkers: 3
 
+metrics:
+  # create ServiceMonitor for prometheus
+  serviceMonitor:
+    enabled: false
+    # namespace: "monitoring"
+    # labels:
+    #   prometheus: default
+
+  # create VMServiceScrape for victoria
+  serviceScrape:
+    enabled: false
+    # namespace: "monitoring"
+
 serviceAccount:
   create: true
   annotations: {}