ansible-mysql/tasks/replication/slave/import_data.yml

---

- name: FILE | Create SSH client dir
  ansible.builtin.file:
    path: "{{ ansible_env.HOME }}/.ssh"
    state: directory
    mode: 0700

- name: OPENSSH_KEYPAIR | Create SSH key
  community.crypto.openssh_keypair:
    path: "{{ ansible_env.HOME }}/.ssh/id_rsa"
  register: gen_ssh

- name: BLOCK | Prepare backup
  delegate_to: "{{ mariadb_slave_import_from }}"
  block:

    - name: AUTHORIZED_KEY | Auth slave to backup host
      ansible.posix.authorized_key:
        user: "{{ mariadb_backup_user }}"
        state: present
        key: "{{ gen_ssh.public_key }}"

    - name: FILE | Create backup directory
      ansible.builtin.file:
        path: "{{ mariadb_backup_dir }}"
        state: directory
        mode: 0755
        owner: root
        group: root

    - name: COMMAND | Prepare backup another server
      ansible.builtin.command: "mariabackup --backup -u root --target-dir={{ mariadb_backup_dir }}"
      args:
        creates: "{{ mariadb_backup_dir }}/xtrabackup_info"
      register: backup

    - name: COMMAND | Dump  # noqa: no-handler
      ansible.builtin.command: "mariabackup --prepare --target-dir={{ mariadb_backup_dir }}"
      when: backup.changed
      register: prep
      changed_when: "'This target seems to be not prepared yet' in prep.stderr"

- name: MYSQL_VARIABLES | Get datadir
  community.mysql.mysql_variables:
    variable: datadir
    login_unix_socket: "{{ mariadb_socket }}"
  register: datadir

- name: SET_FACT | Get MariaDB datadir
  ansible.builtin.set_fact:
    mariadb_datadir: "{{ datadir.msg }}"

- name: SERVICE | Stop MariaDB before importing data
  ansible.builtin.service:
    name: "{{ mariadb_service_name }}"
    state: stopped

- name: COMMAND | Sync backup to slave - TODO remove vagrant as static user (see why mariadb_backup_user is not working)
  ansible.builtin.command: "sudo -E rsync --rsync-path='sudo rsync' -a -e 'ssh -o StrictHostKeyChecking=no' {{ mariadb_backup_user }}@{{ mariadb_slave_import_from }}:{{ mariadb_backup_dir }}/ {{ mariadb_datadir }}/"
  become: false
  tags:
    - skip_ansible_lint

- name: FILE | Re-apply owner
  ansible.builtin.file:
    path: "{{ mariadb_datadir }}"
    state: directory
    mode: 0755
    owner: mysql
    group: mysql
    recurse: true

- name: SHELL | Remove InnoDB redo logs
  ansible.builtin.shell: "rm -f {{ mariadb_datadir }}/ib_logfile*"
  args:
    removes: "{{ mariadb_datadir }}/ib_logfile0"
    warn: false

- name: SERVICE | Start MariaDB
  ansible.builtin.service:
    name: "{{ mariadb_service_name }}"
    state: started

- name: FILE | Delete dump
  ansible.builtin.file:
    path: "{{ mariadb_backup_dir }}"
    state: absent
  delegate_to: "{{ mariadb_slave_import_from }}"
  when: mariadb_slave_import_flush_dump