[stable/telegraf] add support for annotations on services (#19380)

stable/telegraf/Chart.yaml

 apiVersion: v1
 name: telegraf
-version: 1.1.9
+version: 1.2.0
 appVersion: 1.12
 deprecated: false
 description: Telegraf is an agent written in Go for collecting, processing, aggregating, and writing metrics.

stable/telegraf/templates/service.yaml

@@ -8,6 +8,10 @@ metadata:
     helm.sh/chart: {{ include "telegraf.chart" . }}
     app.kubernetes.io/instance: {{ .Release.Name }}
     app.kubernetes.io/managed-by: {{ .Release.Service }}
+  {{- if .Values.service.annotations }}
+  annotations:
+{{ toYaml .Values.service.annotations | indent 4 }}
+  {{- end }}
 spec:
   type: {{ .Values.service.type }}
   ports:

stable/telegraf/values.yaml

@@ -30,6 +30,8 @@ resources: {}
 service:
   enabled: true
   type: ClusterIP
+  annotations: {}
+
 ## Exposed telegraf configuration
 ## For full list of possible values see `/docs/all-config-values.yaml` and `/docs/all-config-values.toml`
 ## ref: https://docs.influxdata.com/telegraf/v1.1/administration/configuration/