vn-ansible/roles/services/tasks/mariadb.yml

# Revisar /root/scripts/check-memory.sh --> No es óptimo hacer lo que hace ese programa
# Ver como lanzar el mysqltuner.pl 
# Revisar la tarea del cron tambien /root/scripts/scheduler-log.sh 

- name: Ensure Install requirements for MariaDB repository setup script
  apt:
    name: "{{ mariadb_requeriments }}"
    state: present
    install_recommends: no

- name: Download required setup files
  get_url:
    url: "{{ item.url }}"
    dest: "{{ item.dest }}"
    mode: "{{ item.mode }}"
  loop: "{{ downloads }}"

- name: Run MariaDB repository setup script
  command:
    cmd: "/bin/bash /tmp/mariadb_repo_setup --mariadb-server-version=10.11.10"
    creates: "/etc/apt/sources.list.d/mariadb.list"

- name: Install Percona repository package
  apt:
    deb: "/tmp/percona-release_latest.generic_all.deb"
    state: present
    install_recommends: no

- name: Install MariaDB packages
  apt:
    name: "{{ mariadb_base_packages }}"
    state: present
    install_recommends: no

- name: Ensure required directories exist
  file:
    path: "{{ item.path }}"
    state: directory
    owner: "{{ item.owner }}"
    group: "{{ item.group }}"
    mode: "{{ item.mode }}"
  loop: "{{ required_directories }}"

- name: Ensure required custom and Mariabackup files are copied to their destinations and root scripts
  copy:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    owner: root
    group: root
    mode: "{{ item.mode }}"
  loop: "{{ required_files_and_mariabackup_files_and_root_scripts }}"
  notify: reload systemd

- name: Add tmpfs in /etc/fstab
  blockinfile:
    path: /etc/fstab
    marker: "# {mark} ANSIBLE-MANAGED TMPFS ENTRY"
    block: |
      tmpfs /mnt/mysqltmp         tmpfs rw,size=6144M         0 0
  register: fstab

- name: Mount all filesystems from /etc/fstab
  command: mount -a
  when: fstab.changed

- name: Set MariaDB Cron to /etc/cron.d
  template:
    src: templates/cron_mariadb
    dest: /etc/cron.d/vn
    owner: root
    group: root
    mode: u=rw,g=r,o=r

- name: Insert MySQL certificates
  copy:
    content: "{{ item.content }}"
    dest: "{{ item.dest }}"
    owner: mysql
    group: mysql
    mode: "{{ item.mode }}"
  loop:
    - { content: '{{ ca_mysql }}', dest: '/etc/mysql/ca.pem', mode: 'u=rw,g=r,o=r' }
    - { content: '{{ cert_mysql }}', dest: '/etc/mysql/cert.pem', mode: 'u=rw,g=r,o=r' }
    - { content: '{{ private_mysql }}', dest: '/etc/mysql/key.pem', mode: 'u=rw,g=,o=' }
  notify: restart-mariadb

- name: Set MariaDB custom configuration
  copy:
    src: "{{ item }}"
    dest: /etc/mysql/mariadb.conf.d/
    owner: root
    group: root
    mode: u=rw,g=r,o=r
  with_fileglob:
      - "files/z9*.cnf"
  notify: restart-mariadb