---  
  - name: verify if mariadb is installed
    stat:
      path: /usr/bin/mysqld_safe
    register: mariadb_installed

  - name: install mariadb
    yum: 
      name:
        - mariadb-server
        - python3-PyMySQL  
        - mariadb-backup
          #        - python3-mysql 
        - perl-Digest-MD5
      state: installed
  
  - name: create directories
    file:
      path: "{{ item }}"
      state: directory
      owner: mysql
      group: mysql
    with_items:
     - /var/lib/mysql/data
     - /var/lib/mysql/backup
     - /var/lib/mysql/innodb
     - /var/lib/mysql/logs
     
  - name: copy mariadb config file
    copy:
      src: mariadb/my.cnf
      dest: /etc/my.cnf
  
  - name: copy mariadb config file
    copy:
      src: "mariadb/{{ item }}" 
      dest: "/etc/my.cnf.d/{{ item }}" 
    with_items:
      - server.cnf
      - client.cnf
      - mysql-clients.cnf

  - name: start and enable the mariadb service
    systemd_service:
      state: started
      name: mariadb
      enabled: true
  
  - name: set root passowrd
    shell: >
      mysql -u root
      -e "ALTER USER 'root'@'{{ item }}' IDENTIFIED BY '{{ myslql_root_passd }}';" 
    with_items:
      #      - 127.0.0.1
      - localhost
    when: not mariadb_installed.stat.exists

  - name: copy .my.cnf
    template:
      src: mariadb/client-my.cnf.j2
      dest: /root/.my.cnf
    
  - name: removes all anonymous user accounts
    mysql_user:
      name: ''
      host_all: yes
      state: absent
    when: not mariadb_installed.stat.exists
  
  - name: remove the test database
    mysql_db:
      state: absent
      name: test
    register: rmtestdb  
    when: not mariadb_installed.stat.exists

  - name: delete object test from mysql.db 
    #shell: mysql -u root --password={{ mariadb_root_db_pass }} -e "DELETE FROM mysql.db WHERE Db='test' OR Db='test\\_%'"
    shell: mysql -u root -e "DELETE FROM mysql.db WHERE Db='test' OR Db='test\\_%'"
    when: rmtestdb.changed