---
- name: 'Create timer for MySQL backup'
  include_role: name=infra-role-systemd-timer
  vars:
    systemd_timer_description: 'Dump MediaWiki MySQL database.'
    systemd_timer_name:        '{{ mediawiki_db_backup_service_name }}'
    systemd_timer_user:        '{{ mediawiki_db_backup_user }}'
    systemd_timer_frequency:   '{{ mediawiki_db_backup_frequency }}'
    systemd_timer_timeout_sec: '{{ mediawiki_db_backup_timeout }}'
    systemd_timer_after_extra: 'docker.service'
    systemd_timer_start_on_creation: false
    systemd_timer_script_content: |
      #!/usr/bin/env bash
      set -euo pipefail
      BKP_PATH='{{ mediawiki_db_cont_vol }}/backup/{{ mediawiki_db_name }}.sql'
      exec /usr/bin/docker exec -i \
        -e MYSQL_PWD='{{ mediawiki_db_pass }}' \
        {{ mediawiki_db_cont_name }} \
        mysqldump --verbose \
          --user=root \
          {{ mediawiki_db_name }} \
          > "${BKP_PATH}"
      chgrp dockremap "${BKP_PATH}"
      chmod 0640 "${BKP_PATH}"