Import for static and include for conditionals

See: https://spacelift.io/blog/how-to-improve-ansible-performance

README.md

@@ -217,7 +217,7 @@ mariadb_databases: []
 #     replicate: true|false
 ```
 
-See: <https://docs.ansible.com/ansible/latest/modules/mysql_db_module.html>
+See: <https://docs.ansible.com/ansible/latest/collections/community/mysql/mysql_db_module.html>
 
 ### User management
 
@@ -230,7 +230,7 @@ mariadb_users: []
 #     state: present|absent
 ```
 
-See: <https://docs.ansible.com/ansible/latest/modules/mysql_user_module.html>
+See: <https://docs.ansible.com/ansible/latest/collections/community/mysql/mysql_user_module.html>
 
 ### Replication (optional)
 
@@ -238,7 +238,7 @@ Replication is only enabled if `mariadb_replication_role` has a value (`primary`
 `replica`).
 
 The replication setup on the replica use the GTID autopositioning, see
-<https://mariadb.com/kb/en/library/change-master-to/#master_use_gtid>
+<https://mariadb.com/docs/server/reference/sql-statements/administrative-sql-statements/replication-statements/change-master-to#master_use_gtid>
 
 #### Common vars
 

defaults/main.yml

@@ -21,15 +21,9 @@ mariadb_can_restart: true
 mariadb_overwrite_global_config_file: true
 
 # MariaDB configuration file
-mariadb_user: "default value depends on OS"
-mariadb_config_file: "default value depends on OS"
 # Basic settings
-mariadb_data_dir: "default value depends on OS"
 mariadb_port: 3306
 mariadb_bind_address: 127.0.0.1
-mariadb_pid_file: "default value depends on OS"
-mariadb_unix_socket: "default value depends on OS"
-mariadb_log_error_file: "default value depends on OS"
 mariadb_basic_settings_raw: |
   user                  = {{ mariadb_user }}
   pid-file              = {{ mariadb_pid_file }}

molecule/default/variables.yml

@@ -0,0 +1 @@
+../../tasks/variables.yml

molecule/default/verify.yml

@@ -4,15 +4,8 @@
   gather_facts: true
 
   tasks:
-    - name: Load OS-specific vars
-      ansible.builtin.include_vars: "{{ lookup('first_found', params) }}"
-      vars:
-        params:
-          files:
-            - "{{ ansible_distribution }}.yml"
-            - "{{ ansible_os_family }}.yml"
-          paths:
-            - "vars"
+    - name: Include OS vars
+      ansible.builtin.import_tasks: variables.yml
 
     - name: Verify pkg status
       ansible.builtin.package:

tasks/main.yml

@@ -1,51 +1,45 @@
 ---
-- name: Load OS-specific vars
-  ansible.builtin.include_vars: "{{ lookup('first_found', params) }}"
-  vars:
-    params:
-      files:
-        - "{{ ansible_distribution }}.yml"
-        - "{{ ansible_os_family }}.yml"
-      paths:
-        - "vars"
+# Variable configuration.
+- name: Include OS vars
+  ansible.builtin.import_tasks: variables.yml
 
 - name: Include task setup_debian.yml
-  ansible.builtin.import_tasks: setup_debian.yml
+  ansible.builtin.include_tasks: setup_debian.yml
   when: ansible_os_family == "Debian"
 
 - name: Include task setup_redhat.yml
-  ansible.builtin.import_tasks: setup_redhat.yml
+  ansible.builtin.include_tasks: setup_redhat.yml
   when: ansible_os_family == "RedHat"
 
 - name: Include task setup_alpine.yml
-  ansible.builtin.import_tasks: setup_alpine.yml
+  ansible.builtin.include_tasks: setup_alpine.yml
   when: ansible_os_family == "Alpine"
 
 - name: Include task configure.yml
   ansible.builtin.import_tasks: configure.yml
 
 - name: Include task databases.yml
-  ansible.builtin.import_tasks: databases.yml
+  ansible.builtin.include_tasks: databases.yml
   when:
     - mariadb_databases is defined
     - mariadb_replication_role != "replica"
 
 - name: Include task users.yml
-  ansible.builtin.import_tasks: users.yml
+  ansible.builtin.include_tasks: users.yml
   when:
     - mariadb_users is defined
     - mariadb_replication_role != "replica"
 
 - name: Include task replication_primary.yml
-  ansible.builtin.import_tasks: replication_primary.yml
+  ansible.builtin.include_tasks: replication_primary.yml
   when: mariadb_replication_role == "primary"
 
 - name: Include task replication_replica.yml
-  ansible.builtin.import_tasks: replication_replica.yml
+  ansible.builtin.include_tasks: replication_replica.yml
   when:
     - not ansible_check_mode
     - mariadb_replication_role == "replica"
 
 - name: Include task backup.yml
-  ansible.builtin.import_tasks: backup.yml
+  ansible.builtin.include_tasks: backup.yml
   when: mariadb_backup_db

tasks/variables.yml

@@ -0,0 +1,63 @@
+---
+# Variable configuration.
+- name: Load OS-specific vars
+  ansible.builtin.include_vars: "{{ lookup('first_found', params) }}"
+  vars:
+    params:
+      files:
+        - "{{ ansible_distribution }}.yml"
+        - "{{ ansible_os_family }}.yml"
+      paths:
+        - "vars"
+
+- name: Define mariadb_user.
+  ansible.builtin.set_fact:
+    mariadb_user: "{{ __mariadb_user }}"
+  when: mariadb_user is not defined
+
+- name: Define mariadb_server_package.
+  ansible.builtin.set_fact:
+    mariadb_server_package: "{{ __mariadb_server_package }}"
+  when: mariadb_server_package is not defined
+
+- name: Define mariadb_server_package_mdbf.
+  ansible.builtin.set_fact:
+    mariadb_server_package_mdbf: "{{ __mariadb_server_package_mdbf }}"
+  when:
+    - ansible_os_family == "RedHat"
+    - mariadb_server_package_mdbf is not defined
+
+- name: Define mariadb_config_file.
+  ansible.builtin.set_fact:
+    mariadb_config_file: "{{ __mariadb_config_file }}"
+  when: mariadb_config_file is not defined
+
+- name: Define mariadb_data_dir.
+  ansible.builtin.set_fact:
+    mariadb_data_dir: "{{ __mariadb_data_dir }}"
+  when: mariadb_data_dir is not defined
+
+- name: Define mariadb_pid_file.
+  ansible.builtin.set_fact:
+    mariadb_pid_file: "{{ __mariadb_pid_file }}"
+  when: mariadb_pid_file is not defined
+
+- name: Define mariadb_unix_socket.
+  ansible.builtin.set_fact:
+    mariadb_unix_socket: "{{ __mariadb_unix_socket }}"
+  when: mariadb_unix_socket is not defined
+
+- name: Define mariadb_log_dir.
+  ansible.builtin.set_fact:
+    mariadb_log_dir: "{{ __mariadb_log_dir }}"
+  when: mariadb_log_dir is not defined
+
+- name: Define mariadb_log_error_file.
+  ansible.builtin.set_fact:
+    mariadb_log_error_file: "{{ __mariadb_log_error_file }}"
+  when: mariadb_log_error_file is not defined
+
+- name: Define mariadb_cron_package_name.
+  ansible.builtin.set_fact:
+    mariadb_cron_package_name: "{{ __mariadb_cron_package_name }}"
+  when: mariadb_cron_package_name is not defined

vars/Alpine.yml

@@ -1,10 +1,10 @@
 ---
-mariadb_user: mysql
-mariadb_server_package: mariadb
-mariadb_config_file: "/etc/my.cnf.d/mariadb-server.cnf"
-mariadb_data_dir: "/var/lib/mysql"
-mariadb_pid_file: "/run/mysqld/mariadb.pid"
-mariadb_unix_socket: "/run/mysqld/mysqld.sock"
-mariadb_log_dir: "/var/log/mariadb"
-mariadb_log_error_file: "{{ mariadb_log_dir }}/error.log"
-mariadb_cron_package_name: "cronie"
+__mariadb_user: mysql
+__mariadb_server_package: mariadb
+__mariadb_config_file: "/etc/my.cnf.d/mariadb-server.cnf"
+__mariadb_data_dir: "/var/lib/mysql"
+__mariadb_pid_file: "/run/mysqld/mariadb.pid"
+__mariadb_unix_socket: "/run/mysqld/mysqld.sock"
+__mariadb_log_dir: "/var/log/mariadb"
+__mariadb_log_error_file: "{{ mariadb_log_dir }}/error.log"
+__mariadb_cron_package_name: "cronie"

vars/Debian.yml

@@ -1,10 +1,10 @@
 ---
-mariadb_user: mysql
-mariadb_server_package: mariadb-server
-mariadb_config_file: "/etc/mysql/mariadb.cnf"
-mariadb_data_dir: "/var/lib/mysql"
-mariadb_pid_file: "/run/mysqld/mysqld.pid"
-mariadb_unix_socket: "/run/mysqld/mysqld.sock"
-mariadb_log_dir: "/var/log/mysql"
-mariadb_log_error_file: "{{ mariadb_log_dir }}/error.log"
-mariadb_cron_package_name: "cron"
+__mariadb_user: mysql
+__mariadb_server_package: mariadb-server
+__mariadb_config_file: "/etc/mysql/mariadb.cnf"
+__mariadb_data_dir: "/var/lib/mysql"
+__mariadb_pid_file: "/run/mysqld/mysqld.pid"
+__mariadb_unix_socket: "/run/mysqld/mysqld.sock"
+__mariadb_log_dir: "/var/log/mysql"
+__mariadb_log_error_file: "{{ mariadb_log_dir }}/error.log"
+__mariadb_cron_package_name: "cron"

vars/RedHat.yml

@@ -1,11 +1,11 @@
 ---
-mariadb_user: mysql
-mariadb_server_package: mariadb-server
-mariadb_server_package_mdbf: MariaDB-server
-mariadb_config_file: "/etc/my.cnf.d/mariadb-server.cnf"
-mariadb_data_dir: "/var/lib/mysql"
-mariadb_pid_file: "/run/mariadb/mysqld.pid"
-mariadb_unix_socket: "/var/lib/mysql/mysql.sock"
-mariadb_log_dir: "/var/log/mariadb"
-mariadb_log_error_file: "{{ mariadb_log_dir }}/error.log"
-mariadb_cron_package_name: "cronie"
+__mariadb_user: mysql
+__mariadb_server_package: mariadb-server
+__mariadb_server_package_mdbf: MariaDB-server
+__mariadb_config_file: "/etc/my.cnf.d/mariadb-server.cnf"
+__mariadb_data_dir: "/var/lib/mysql"
+__mariadb_pid_file: "/run/mariadb/mysqld.pid"
+__mariadb_unix_socket: "/var/lib/mysql/mysql.sock"
+__mariadb_log_dir: "/var/log/mariadb"
+__mariadb_log_error_file: "{{ mariadb_log_dir }}/error.log"
+__mariadb_cron_package_name: "cronie"