ytt testing

dv.yml

#@data/values
---
extrapools:
- name: tkg-aws-wc-np-1
  replicas: 2
  az: us-west-2b
  nodeMachineType: t3.large
  autoscaler_min_size: 2
  autoscaler_max_size: 5
  tags:
    will: testing
    will3: testing
  labels:
    key1: hello
    key2: value2

existing.yml

---
additionalTags:
  test1: testing
  test2: testing

replace.yml

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


#@ def merge_tags(pool):
#@   tags = {}
#@   if hasattr(pool, "tags"):
#@     tags.update(pool.tags)
#@   end
#@   return lambda left, right: dict(yaml.decode(yaml.encode(left)).items() + tags.items())
#@ end

#@overlay/match by=overlay.all
#@ for i in data.values.extrapools:
---
#@overlay/replace via=merge_tags(i)
additionalTags:
#@ end