ilnmors-homelab/ansible/roles/infra/tasks/services/set_mariadb.yaml

---
- name: Initialize connected services list
  ansible.builtin.set_fact:
    connected_services: []

- name: Set connected services list
  ansible.builtin.set_fact:
    connected_services: >-
      {{
        services
        | dict2items
        | selectattr('value.dependency.db', 'defined')
        | selectattr('value.dependency.db', 'equalto', 'mariadb')
        | map(attribute='key')
        | list
      }}

- name: Create mariadb directory
  ansible.builtin.file:
    path: "{{ node['home_path'] }}/{{ item }}"
    state: "directory"
    owner: "{{ services['mariadb']['subuid'] }}"
    group: "{{ node['group'] }}"
    mode: "0770"
  loop:
    - "data/containers/mariadb/"
    - "data/containers/mariadb/backups"
    - "data/containers/mariadb/backups/sql"
    - "containers/mariadb"
    - "containers/mariadb/data"
    - "containers/mariadb/config"
    - "containers/mariadb/ssl"
    - "containers/mariadb/init"
  become: true

- name: Check mariadb .init marker
  ansible.builtin.stat:
    path: "{{ node['home_path'] }}/containers/mariadb/.init"
  register: "is_mariadb_init_marker"

- name: Pull image
  containers.podman.podman_image:
    name: "docker.io/library/mariadb"
    tag: "{{ version['containers']['mariadb'] }}"
    state: "present"
    pull: true

- name: Deploy mariadb configuration files
  ansible.builtin.template:
    src: "{{ hostvars['console']['node']['config_path'] }}/services/containers/infra/mariadb/config/mariadb.cnf.j2"
    dest: "{{ node['home_path'] }}/containers/mariadb/config/mariadb.cnf"
    owner: "{{ services['mariadb']['subuid'] }}"
    group: "{{ node['group'] }}"
    mode: "0600"
  become: true
  notify: "notification_restart_mariadb"
  no_log: true

- name: Deploy mariadb certificate and key
  ansible.builtin.copy:
    content: |
      {{ item.value }}
    dest: "{{ node['home_path'] }}/containers/mariadb/ssl/{{ item.name }}"
    owner: "{{ services['mariadb']['subuid'] }}"
    group: "{{ node['group'] }}"
    mode: "{{ item.mode }}"
  loop:
    - name: "{{ root_cert_filename }}"
      value: "{{ hostvars['console']['ca']['root']['crt'] }}"
      mode: "0440"
    - name: "mariadb.crt"
      value: |
        {{ hostvars['console']['mariadb']['crt'] | trim }}
        {{ hostvars['console']['ca']['intermediate']['crt'] }}
      mode: "0440"
    - name: "mariadb.key"
      value: "{{ hostvars['console']['mariadb']['key'] }}"
      mode: "0400"
  become: true
  notify: "notification_restart_mariadb"
  no_log: true

- name: Initiating mariadb
  when: not is_mariadb_init_marker.stat.exists
  block:
    - name: Check initiating SQL files
      ansible.builtin.find:
        path: "{{ node['home_path'] }}/data/containers/mariadb/backups/sql/"
        file_type: "file"
        patterns:
          - "mariadb_*.sql"
        hidden: true
        recurse: false
      become: true
      register: "mariadb_init_sql_files"

    - name: Set initiating SQL file lists
      ansible.builtin.set_fact:
        mariadb_init_sql_file_list: >-
          {{
            mariadb_init_sql_files.files
            | map(attribute='path')
            | map('basename')
            | map('regex_replace', '^mariadb_', '')
            | map('regex_replace', '[.]sql$', '')
            | list
          }}

    - name: Fail on invalid initiating SQL file set
      ansible.builtin.fail:
      when:
        - mariadb_init_sql_files.matched > 0
        - ((connected_services)
          | symmetric_difference(mariadb_init_sql_file_list)
          | length) > 0

    - name: Remote copy the initiating SQL
      ansible.builtin.copy:
        src: "{{ node['home_path'] }}/data/containers/mariadb/backups/sql/mariadb_{{ item }}.sql"
        remote_src: true
        dest: "{{ node['home_path'] }}/containers/mariadb/init/{{ '%02d' | format(index_num) }}_mariadb_{{ item }}.sql"
        owner: "{{ services['mariadb']['subuid'] }}"
        group: "{{ node['group'] }}"
        mode: "0600"
      loop: "{{ connected_services }}"
      loop_control:
        index_var: index_num
      become: true
      when:
        - ((connected_services)
          | symmetric_difference(mariadb_init_sql_file_list)
          | length) == 0

- name: Deploy container file
  ansible.builtin.template:
    src: "{{ hostvars['console']['node']['config_path'] }}/services/containers/infra/mariadb/mariadb.container.j2"
    dest: "{{ node['home_path'] }}/.config/containers/systemd/mariadb.container"
    owner: "{{ ansible_user }}"
    group: "{{ node['group'] }}"
    mode: "0644"
  notify: "notification_restart_mariadb"

- name: Deploy backup service files
  ansible.builtin.copy:
    src: "{{ hostvars['console']['node']['config_path'] }}/services/containers/infra/mariadb/services/{{ item }}"
    dest: "{{ node['home_path'] }}/.config/systemd/user/{{ item }}"
    owner: "{{ ansible_user }}"
    group: "{{ node['group'] }}"
    mode: "0644"
  loop:
    - "mariadb-data-backup@.service"
    - "mariadb-data-backup@.timer"

- name: Enable mariadb
  ansible.builtin.systemd:
    name: "mariadb.service"
    state: "started"
    enabled: true
    daemon_reload: true
    scope: "user"

- name: Enable data backup timer
  ansible.builtin.systemd:
    name: "mariadb-data-backup@{{ item }}.timer"
    state: "started"
    enabled: true
    daemon_reload: true
    scope: "user"
  loop: "{{ connected_services }}"

- name: Create .init file
  ansible.builtin.file:
    path: "{{ node['home_path'] }}/containers/mariadb/.init"
    state: "touch"
    mode: "0644"
    owner: "{{ ansible_user }}"
    group: "{{ node['group'] }}"
  when: not is_mariadb_init_marker.stat.exists

- name: Check container archive images
  ansible.builtin.stat:
    path: "{{ node['home_path'] }}/archives/containers/docker.io_library_mariadb_{{ version['containers']['mariadb'] }}.tar"
  register: container_archive_images

- name: Save container archive images
  containers.podman.podman_save:
    image:
      - "docker.io/library/mariadb:{{ version['containers']['mariadb'] }}"
    dest: "{{ node['home_path'] }}/archives/containers/docker.io_library_mariadb_{{ version['containers']['mariadb'] }}.tar"
    format: "oci-archive"
  when: not container_archive_images.stat.exists

- name: Fetch container archive images
  ansible.builtin.fetch:
    src: "{{ node['home_path'] }}/archives/containers/docker.io_library_mariadb_{{ version['containers']['mariadb'] }}.tar"
    dest: "{{ hostvars['console']['node']['data_path'] }}/images/containers/"
    flat: true