ansible_role_restic/tasks/configure.yml

---
- name: Initialize repository
  command: '{{ restic_install_path }}/restic init'
  environment:
    RESTIC_REPOSITORY: '{{ item.value.location }}'
    RESTIC_PASSWORD: '{{ item.value.password }}'
  no_log: True
  register: restic_init
  changed_when: "'created restic repository' in restic_init.stdout"
  failed_when:
    - restic_init.rc != 0
    - not 'config file already exists' in restic_init.stderr
  loop: "{{ restic_repos|dict2items }}"
  when:
    - item.value.init is defined
    - item.value.init == true