ansible-roles/deb-set-locale/tasks/main.yml

---
- block:
    - name: Define the locales to be generated
      debconf: name=locales question='locales/locales_to_be_generated' value='{{ deb_locales }}' vtype='multiselect'

    - name: Update the locale default
      debconf: name=locales question='locales/default_environment_locale' value='{{ deb_default_locale }}' vtype='select'

    - name: Generate the locales
      locale_gen: name={{ item }} state=present
      with_items: '{{ deb_locales_list }}'

    - name: Set the default locale
      shell: update-locale LANG={{ deb_default_locale }}

  tags: locale