Adding parameter for externalTrafficPolicy in internal controller service spec

charts/ingress-nginx/values.yaml

@@ -349,6 +349,11 @@ controller:
       enabled: false
       annotations: {}
 
+      ## Set external traffic policy to: "Local" to preserve source IP on
+      ## providers supporting it
+      ## Ref: https://kubernetes.io/docs/tutorials/services/source-ip/#source-ip-for-services-with-typeloadbalancer
+      # externalTrafficPolicy: ""
+
   extraContainers: []
   ## Additional containers to be added to the controller pod.
   ## See https://github.com/lemonldap-ng-controller/lemonldap-ng-controller as example.