Update deploy/helm/kubernetes/templates/_helpers.tpl

Co-authored-by: Andrei Kvapil <kvapss@gmail.com>

Author: gecube

deploy/helm/kubernetes/templates/_helpers.tpl

@@ -62,6 +62,9 @@ Generate etcd servers list.
   {{- end -}}
 {{- end -}}
 
+{{/*
+Take the first IP address from the serviceClusterIPRange for the kube-dns service.
+*/}}
 {{- define "getCoreDNS" -}}
   {{- $octetsList := splitList "." .Values.apiServer.serviceClusterIPRange -}}
   {{- printf "%d.%d.%d.%d" (index $octetsList 0 | int) (index $octetsList 1 | int) (index $octetsList 2 | int) 10 -}}
@@ -70,4 +73,4 @@ Generate etcd servers list.
 {{- define "getAPIAddress" -}}
   {{- $octetsList := splitList "." .Values.apiServer.serviceClusterIPRange -}}
   {{- printf "%d.%d.%d.%d" (index $octetsList 0 | int) (index $octetsList 1 | int) (index $octetsList 2 | int) 1 -}}
-{{- end -}}
+{{- end -}}