[stable/elasticsearch-exporter] Add serviceMonitor targetLabels

stable/elasticsearch-exporter/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Elasticsearch stats exporter for Prometheus
 name: elasticsearch-exporter
-version: 3.3.0
+version: 3.4.0
 kubeVersion: ">=1.10.0-0"
 appVersion: 1.1.0
 home: https://github.com/justwatchcom/elasticsearch_exporter

stable/elasticsearch-exporter/README.md

@@ -101,6 +101,7 @@ Parameter | Description | Default
 `serviceMonitor.scrapeTimeout` | Timeout after which the scrape is ended | `10s`
 `serviceMonitor.scheme` | Scheme to use for scraping | `http`
 `serviceMonitor.relabelings` | Relabel configuration for the metrics | `[]`
+`serviceMonitor.targetLabels` | Set of labels to transfer on the Kubernetes Service onto the target. | `[]`
 `prometheusRule.enabled` | If true, a PrometheusRule CRD is created for a prometheus operator | `false`
 `prometheusRule.namespace` | If set, the PrometheusRule will be installed in a different namespace  | `""`
 `prometheusRule.labels` | Labels for prometheus operator | `{}`

stable/elasticsearch-exporter/templates/servicemonitor.yaml

@@ -37,4 +37,10 @@ spec:
   namespaceSelector:
     matchNames:
       - {{ .Release.Namespace }}
+{{- if .Values.serviceMonitor.targetLabels }}
+  targetLabels:
+{{- range .Values.serviceMonitor.targetLabels }}
+    - {{ . }}
+{{- end }}
+{{- end }}
 {{- end }}

stable/elasticsearch-exporter/values.yaml

@@ -167,6 +167,7 @@ serviceMonitor:
   scrapeTimeout: 10s
   scheme: http
   relabelings: []
+  targetLabels: []
 
 prometheusRule:
   ## If true, a PrometheusRule CRD is created for a prometheus operator