ytt boolean schema test

overlay.yaml

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

#@ if/end data.values.create_namespace==True:
---
apiVersion: v1
kind: Namespace
metadata:
  name: #@ data.values.namespace

schema.yaml

#@data/values-schema
---
namespace: projectcontour
#! Enablers
is_externaldns_enabled: false
#! Package config
externaldns:
  domain: ""
  wildcard_domain: ""