[nats-kafka] Service Account Support (#853)

* Add nats-kafka service account

* Add default service account to values

* Update nats-kafka chart version

Author: ChrisDizenzo1047

helm/charts/nats-kafka/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v2
-version: 0.15.3
+version: 0.15.4
 appVersion: 1.4.2
 type: application
 name: nats-kafka

helm/charts/nats-kafka/templates/deployment.yaml

@@ -22,6 +22,7 @@ spec:
         {{- toYaml .Values.natskafka.podLabels | nindent 8 }}
         {{- end }}
     spec:
+      serviceAccountName: {{ include "nats-kafka.serviceAccountName" . }}
       containers:
         - name: {{ .Chart.Name }}
           image: {{ include "nats-kafka.image" .Values.image }}

helm/charts/nats-kafka/templates/serviceaccount.yaml

@@ -0,0 +1,7 @@
+{{ if .Values.serviceAccount.create }}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "nats-kafka.serviceAccountName" . }}
+  namespace: {{ include "nats-kafka.namespace" . }}
+{{ end }}

helm/charts/nats-kafka/values.yaml

@@ -6,6 +6,10 @@ fullnameOverride: ""
 namespaceOverride: ""
 replicaCount: 1
 
+serviceAccount:
+  create: false
+  name: default
+
 image:
   repository: natsio/nats-kafka
   tag: 1.4.2