ansible/test/integration/targets/group_by/create_groups.yml

# test code for the group_by module
# (c) 2014, Chris Church <cchurch@ansible.com>

# This file is part of Ansible
#
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- debug: var=genus

- name: group by genus
  group_by: key={{ genus }}
  register: grouped_by_genus

- debug: var=grouped_by_genus

- name: ensure we reflect 'changed' on change
  assert:
    that:
      - grouped_by_genus is changed

- name: group by first three letters of genus with key in quotes
  group_by: key="{{ genus[:3] }}"

- name: group by first two letters of genus with key not in quotes
  group_by: key={{ genus[:2] }}

- name: group by genus in uppercase using complex args
  group_by: { key: "{{ genus | upper() }}" }