yaml combine

playbook.yml

---
- hosts: localhost
  gather_facts: no
  vars:
    config_files:
      - test1
      - test2
  tasks:
    - name: Load config defaults
      include_vars:
        file: "{{ item }}.yml"
        name: "default_config"
      with_items: "{{ config_files }}"
      register: default_configs
      tags:
        - configuration

    - name: Combine configs into one dict
      # Здесь мы делаем словарь вида
      # default_configs:
      #   config_name_1: { default_config_object }
      #   config_name_2: { default_config_object }
      #   config_name_3: { default_config_object }
      #   ...
      set_fact:
        default_configs: "{{ dict(default_configs.results | json_query('[].[item, ansible_facts.default_config]')) }}"
      tags:
        - configuration

    - debug:
        var: default_configs

test1.yml

foo: bar

test2.yml

hello: world

$ ansible --version
ansible 2.2.1.0

$ pip list | grep -iP 'jinja|jmes'
Jinja2 (2.8)
jmespath (0.9.2)