custom lb setup

cluster-config.yml

#! add these values to your cluster config

#!custom subnets to use for LB placement
LB_SUBNETS: "subnet-xxxxxx,subnet-xxxxx"
#! set api LB to internal
LB_INTERNAL: true

custom_lb.yml

#! place this file in ~/.tanzu/tkg/providers/ytt/04_user_customizations/custom_lb.yml

#@ load("@ytt:overlay", "overlay")
#@ load("@ytt:data", "data")

#@overlay/match by=overlay.subset({"kind":"AWSCluster"})
---
apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
kind: AWSCluster
spec:
#@overlay/match missing_ok=True
  controlPlaneLoadBalancer:
#@ if data.values.LB_SUBNETS != None:
  #@ subnets = data.values.LB_SUBNETS.split(",")
  #@overlay/match missing_ok=True
      subnets:
      #@ for i in range(len(subnets)) :
        - #@ subnets[i]
      #@ end
#@ end

#@ if data.values.LB_INTERNAL == True:
  #@overlay/match missing_ok=True
      scheme: "internal"
#@ end

custom_lb_values.yml

#! place this file in ~/.tanzu/tkg/providers/ytt/04_user_customizations/custom_lb_values.yml
#@data/values

#@overlay/match-child-defaults missing_ok=True
---
LB_INTERNAL:
LB_SUBNETS: