[prometheus-elasticsearch-exporter] add support for podmonitor

charts/prometheus-elasticsearch-exporter/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Elasticsearch stats exporter for Prometheus
 name: prometheus-elasticsearch-exporter
-version: 5.5.0
+version: 5.6.0
 kubeVersion: ">=1.10.0-0"
 appVersion: "v1.7.0"
 home: https://github.com/prometheus-community/elasticsearch_exporter

charts/prometheus-elasticsearch-exporter/templates/podmonitor.yaml

@@ -0,0 +1,50 @@
+{{- if and .Values.podMonitor.enabled .Values.serviceMonitor.enabled }}
+{{- fail "Either .Values.podMonitor.enabled or .Values.serviceMonitor.enabled can be enabled at a time, but not both." }}
+{{- else if .Values.podMonitor.enabled }}
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: {{ template "elasticsearch-exporter.fullname" . }}
+  {{- if .Values.podMonitor.namespace }}
+  namespace: {{ .Values.podMonitor.namespace }}
+  {{- end }}
+  labels:
+    chart: {{ template "elasticsearch-exporter.chart" . }}
+    app: {{ template "elasticsearch-exporter.name" . }}
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+    {{- if .Values.podMonitor.labels }}
+    {{- toYaml .Values.podMonitor.labels | nindent 4 }}
+    {{- end }}
+spec:
+  namespaceSelector:
+    matchNames:
+      - {{ .Release.Namespace }}
+  podMetricsEndpoints:
+  - path: {{ .Values.web.path }}
+    port: {{ .Values.deployment.metricsPort.name }}
+  {{- if .Values.podMonitor.scheme }}
+    scheme: {{ .Values.podMonitor.scheme }}
+  {{- end }}
+  {{- if .Values.podMonitor.interval }}
+    interval: {{ .Values.podMonitor.interval }}
+  {{- end }}
+  {{- if .Values.podMonitor.scrapeTimeout }}
+    scrapeTimeout: {{ .Values.podMonitor.scrapeTimeout }}
+  {{- end }}
+  {{- if .Values.podMonitor.honorLabels }}
+    honorLabels: true
+  {{- end }}
+  {{- if .Values.podMonitor.metricRelabelings }}
+    metricRelabelings:
+      {{- toYaml .Values.podMonitor.metricRelabelings | nindent 6 }}
+  {{- end }}
+  {{- if .Values.podMonitor.relabelings }}
+    relabelings:
+      {{- toYaml .Values.podMonitor.relabelings | nindent 6 }}
+  {{- end }}
+  selector:
+    matchLabels:
+      app: {{ template "elasticsearch-exporter.name" . }}
+      release: "{{ .Release.Name }}"
+{{- end }}

charts/prometheus-elasticsearch-exporter/templates/service.yaml

@@ -1,3 +1,4 @@
+{{- if .Values.service.enabled }}
 kind: Service
 apiVersion: v1
 metadata:
@@ -23,3 +24,4 @@ spec:
   selector:
     app: {{ template "elasticsearch-exporter.name" . }}
     release: "{{ .Release.Name }}"
+{{- end }}

charts/prometheus-elasticsearch-exporter/values.yaml

@@ -71,6 +71,7 @@ affinity: {}
 initContainers: []
 
 service:
+  enabled: true
   type: ClusterIP
   httpPort: 9108
   metricsPort:
@@ -81,6 +82,8 @@ service:
 deployment:
   annotations: {}
   labels: {}
+  metricsPort:
+    name: http
 
 ## Extra environment variables that will be passed into the exporter pod
 ## example:
@@ -250,6 +253,20 @@ serviceMonitor:
   metricRelabelings: []
   sampleLimit: 0
 
+podMonitor:
+  ## If true, a PodMonitor CRD is created for a Prometheus Operator
+  ## https://prometheus-operator.dev/docs/operator/api/#monitoring.coreos.com/v1.PodMonitor
+  ##
+  enabled: false
+  namespace: ""
+  labels: {}
+  interval: 60s
+  scrapeTimeout: 10s
+  honorLabels: true
+  scheme: http
+  relabelings: []
+  metricRelabelings: []
+
 prometheusRule:
   ## If true, a PrometheusRule CRD is created for a prometheus operator
   ## https://github.com/coreos/prometheus-operator