feat: support runOnControlPlane on csi-snapshot-controller

Author: andyzhangx

charts/latest/csi-driver-nfs-v0.0.0.tgz

@@ -46,6 +46,27 @@ spec:
       {{- end }}
       nodeSelector:
         kubernetes.io/os: linux
+    # runOnControlPlane=true or runOnMaster=true only takes effect if affinity is not set
+    {{- if contains (tpl "{{ .Values.controller.affinity }}" .) "nodeSelectorTerms" }}
+      {{- with .Values.controller.affinity }}
+      affinity:
+      {{ toYaml . | indent 8 }}
+      {{- end }}
+    {{- else if or .Values.controller.runOnControlPlane .Values.controller.runOnMaster}}
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+              - matchExpressions:
+                {{- if .Values.controller.runOnControlPlane}}
+                - key: node-role.kubernetes.io/control-plane
+                  operator: Exists
+                {{- end}}
+                {{- if .Values.controller.runOnMaster}}
+                - key: node-role.kubernetes.io/master
+                  operator: Exists
+                {{- end}}
+    {{- end }}
       priorityClassName: {{ .Values.externalSnapshotter.priorityClassName }}
       securityContext:
         seccompProfile: