---
- name: Creating prometheus database user and setting permissions
  become: true
  vars:
    shard_id: "{{ item.key }}"
    shard_root_user: "{% if mariadb_loadbalancer == 'haproxy' %}{{ database_user }}{% else %}{{ mariadb_shard_root_user_prefix }}{{ shard_id | string }}{% endif %}"
    shard_host: "{{ mariadb_shards_info.shards[shard_id].hosts[0] }}"
  kolla_toolbox:
    container_engine: "{{ kolla_container_engine }}"
    module_name: mysql_user
    module_args:
      login_host: "{{ database_address }}"
      login_port: "{{ mariadb_port }}"
      login_user: "{{ shard_root_user }}"
      login_password: "{{ database_password }}"
      name: "{{ prometheus_mysql_exporter_database_user }}"
      password: "{{ prometheus_mysql_exporter_database_password }}"
      host: "%"
      priv: "*.*:PROCESS,SLAVE MONITOR,SELECT"
      append_privs: "yes"
  with_dict: "{{ mariadb_shards_info.shards }}"
  loop_control:
    label: "{{ shard_host }}"
  run_once: True
  when:
    - enable_prometheus_mysqld_exporter | bool
    - not use_preconfigured_databases | bool