--- charts-original/templates/_helpers.tpl
+++ charts/templates/_helpers.tpl
@@ -38,4 +38,27 @@
 {{- if .Values.podLabels }}
 {{- toYaml .Values.podLabels | nindent 8 }}
 {{- end }}
+{{- end -}}
+
+{{- define "system_default_registry" -}}
+{{- if .Values.global.cattle.systemDefaultRegistry -}}
+{{- printf "%s/" .Values.global.cattle.systemDefaultRegistry -}}
+{{- else -}}
+{{- "" -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Windows cluster will add default taint for linux nodes,
+add below linux tolerations to workloads could be scheduled to those linux nodes
+*/}}
+{{- define "linux-node-tolerations" -}}
+- key: "cattle.io/os"
+  value: "linux"
+  effect: "NoSchedule"
+  operator: "Equal"
+{{- end -}}
+
+{{- define "linux-node-selector" -}}
+kubernetes.io/os: linux
 {{- end -}}
\ No newline at end of file