Add option to set priorityClassName

charts/telegraf-ds/Chart.yaml

 apiVersion: v1
 name: telegraf-ds
-version: 1.0.14
+version: 1.0.15
 appVersion: 1.14
 deprecated: false
 description: Telegraf is an agent written in Go for collecting, processing, aggregating, and writing metrics.

charts/telegraf-ds/templates/daemonset.yaml

@@ -20,6 +20,9 @@ spec:
         checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
     spec:
       serviceAccountName: {{ template "telegraf.serviceAccountName" . }}
+{{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName | quote }}
+{{- end }}
       containers:
       - name: {{ .Chart.Name }}
         image: "{{ .Values.image.repo }}:{{ .Values.image.tag }}"

charts/telegraf-ds/values.yaml

@@ -61,6 +61,10 @@ serviceAccount:
   # If not set and create is true, a name is generated using the fullname template
   # name:
 
+## Specify priorityClassName
+## Ref: https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/
+# priorityClassName: system-node-critical
+
 ## Exposed telegraf configuration
 ## ref: https://docs.influxdata.com/telegraf/v1.13/administration/configuration/
 config: