[stabled/elasticsearch-exporter] add custom labels to the service and set service http port name (#14395)

* stable/elasticsearch-exporter: add service labels

Signed-off-by: Hector Fernandez <hfernandez@mesosphere.com>

* stable/elasticsearch-exporter: set custom name for service http port

Signed-off-by: Hector Fernandez <hfernandez@mesosphere.com>

stable/elasticsearch-exporter/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Elasticsearch stats exporter for Prometheus
 name: elasticsearch-exporter
-version: 1.2.0
+version: 1.3.0
 appVersion: 1.0.2
 home: https://github.com/justwatchcom/elasticsearch_exporter
 sources:

stable/elasticsearch-exporter/README.md

@@ -56,7 +56,9 @@ Parameter | Description | Default
 `podAnnotations` | Pod annotations | `{}` |
 `service.type` | type of service to create | `ClusterIP`
 `service.httpPort` | port for the http service | `9108`
+`service.metricsPort.name` | name for the http service | `http`
 `service.annotations` | Annotations on the http service | `{}`
+`service.labels` | Additional labels for the service definition | `{}`
 `es.uri` | address of the Elasticsearch node to connect to | `localhost:9200`
 `es.all` | if `true`, query stats for all nodes in the cluster, rather than just the node we connect to | `true`
 `es.indices` | if true, query stats for all indices in the cluster | `true`

stable/elasticsearch-exporter/templates/service.yaml

@@ -7,6 +7,11 @@ metadata:
     app: {{ template "elasticsearch-exporter.name" . }}
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"
+    {{- if .Values.service.labels }}
+    {{- range $key, $value := .Values.service.labels }}
+      {{ $key }}: {{ $value | quote }}
+    {{- end }}
+    {{- end }}
 {{- if .Values.service.annotations }}
   annotations:
 {{ toYaml .Values.service.annotations | indent 4 }}
@@ -14,7 +19,7 @@ metadata:
 spec:
   type: {{ .Values.service.type }}
   ports:
-    - name: http
+    - name: {{ .Values.service.metricsPort.name }}
       port: {{ .Values.service.httpPort }}
       protocol: TCP
   selector:

stable/elasticsearch-exporter/templates/servicemonitor.yaml

@@ -22,7 +22,7 @@ spec:
     scrapeTimeout: {{ .Values.serviceMonitor.scrapeTimeout }}
     {{- end }}
     honorLabels: true
-    port: http
+    port: {{ .Values.service.metricsPort.name }}
     path: {{ .Values.web.path }}
     scheme: {{ .Values.serviceMonitor.scheme }}
   jobLabel: "{{ .Release.Name }}"

stable/elasticsearch-exporter/values.yaml

@@ -30,7 +30,10 @@ podAnnotations: {}
 service:
   type: ClusterIP
   httpPort: 9108
+  metricsPort:
+    name: http
   annotations: {}
+  labels: {}
 
 es:
   ## Address (host and port) of the Elasticsearch node we should connect to.