ytt-yaml-b64enc.yaml

#@ load("@ytt:base64", "base64")
#@ load("@ytt:data", "data")
#@ load("@ytt:yaml", "yaml")

#@ def foo_config():
  foo:
    bar:
      foo: bar
      bar: foo
#@ end

---
data:
  foo.yaml: #@ base64.encode("{}".format(yaml.decode(yaml.encode(foo_config()))["foo"]))