kv_yaml_to_json.json.erb

<%
  # This template read a YAML KV value and render it as JSON
  kv_path = param('kv_path', ENV['KV_YAML_PATH'])
  if kv_path
    obj = kv(kv_path).get_value_yaml()
    if obj
%><%= JSON.pretty_generate(obj)%><%
    else
%><%= kv_path %> is not a valid YAML<%
    end
  else
%>Please specify environment variable KV_YAML_PATH<%
  end
%>