first draft

tasks/configure.yml

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+---
+- name: percona | configure Percona Server
+  template:
+    src: my.cnf.j2
+    dest: /etc/mysql/conf.d/01-ansible.cnf
+    mode: '0644'
+  notify: Restart Percona Server
+
+- name: percona | ensure Percona Server is started and enabled
+  service:
+    name: mysql
+    state: started
+    enabled: yes
+
+- name: percona | update MySQL root password
+  mysql_user:
+    name: root
+    host: localhost
+    password: "{{ percona_root_password }}"
+    login_unix_socket: /var/run/mysqld/mysqld.sock
+    priv: "*.*:ALL,GRANT"
+  ignore_errors: true  # In case password is already set and socket auth is disabled

tasks/databases.yml

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+---
+- name: percona | create databases
+  mysql_db:
+    name: "{{ item.name }}"
+    collation: "{{ item.collation | default(omit) }}"
+    encoding: "{{ item.encoding | default(omit) }}"
+    state: present
+    login_user: root
+    login_password: "{{ percona_root_password }}"
+  loop: "{{ percona_databases }}"

tasks/install.yml

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+---
+- name: percona | download Percona release package
+  get_url:
+    url: "{{ percona_release_package_url }}"
+    dest: /tmp/percona-release_latest.generic_all.deb
+    mode: '0644'
+
+- name: percona | install Percona release package
+  apt:
+    deb: /tmp/percona-release_latest.generic_all.deb
+    state: present
+
+- name: percona | determine Percona release string
+  set_fact:
+    percona_release_string: >-
+      {% if percona_version == '8.4' %}ps-84-lts{% elif percona_version == '8.0' %}ps-80{% else %}ps-80{% endif %}
+
+- name: percona | enable Percona repository
+  command: "percona-release setup -y {{ percona_release_string }}"
+  args:
+    creates: "/etc/apt/sources.list.d/percona-{{ percona_release_string }}-release.list"
+
+- name: percona | install Percona Server
+  apt:
+    name: percona-server-server
+    state: present
+    update_cache: yes

tasks/main.yml

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+---
+- name: percona | requirements
+  include_tasks: requirements.yml
+
+- name: percona | installation
+  include_tasks: install.yml
+
+- name: percona | configuration
+  include_tasks: configure.yml
+
+- name: percona | databases
+  include_tasks: databases.yml
+
+- name: percona | users
+  include_tasks: users.yml
+

tasks/requirements.yml

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+---
+- name: percona | apt update cache
+  ansible.builtin.apt:
+    update_cache: yes
+    cache_valid_time: 86400
+
+- name: percona | install requirements
+  ansible.builtin.apt:
+    name:
+      - apt-transport-https
+      - lsb-release
+      - ca-certificates
+      - curl
+      - gnupg2
+    state: present
+
+- name: percona | install python3-pymysql for database management
+  ansible.builtin.apt:
+    name: python3-pymysql
+    state: present

tasks/users.yml

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+---
+- name: percona | create users
+  mysql_user:
+    name: "{{ item.name }}"
+    password: "{{ item.password }}"
+    host: "{{ item.host | default('%') }}"
+    priv: "{{ item.priv | default('*.*:USAGE') }}"
+    state: present
+    login_user: root
+    login_password: "{{ percona_root_password }}"
+  loop: "{{ percona_users }}"