db engine switch

roles/database/tasks/main.yml

@@ -1,10 +1,51 @@
 ---
-- name: "Install MariaDB/MySQL server"
+# ------------------ MariaDB Specific Tasks ------------------
+
+- name: "Install MariaDB server"
   ansible.builtin.apt:
     name: mariadb-server
     state: present
     update_cache: yes
-  when: db_engine == 'mariadb' or db_engine == 'mysql'
+  when: db_engine == 'mariadb'
+
+- name: "Ensure MariaDB service is running and enabled (when selected)"
+  ansible.builtin.service:
+    name: mariadb
+    state: started
+    enabled: yes
+  when: db_engine == 'mariadb'
+
+- name: "Ensure MariaDB service is stopped and disabled (when NOT selected)"
+  ansible.builtin.service:
+    name: mariadb
+    state: stopped
+    enabled: no
+  when: db_engine != 'mariadb'
+
+# ------------------ MySQL Specific Tasks ------------------
+
+- name: "Install MySQL server"
+  ansible.builtin.apt:
+    name: mysql-server
+    state: present
+    update_cache: yes
+  when: db_engine == 'mysql'
+
+- name: "Ensure MySQL service is running and enabled (when selected)"
+  ansible.builtin.service:
+    name: mysql
+    state: started
+    enabled: yes
+  when: db_engine == 'mysql'
+
+- name: "Ensure MySQL service is stopped and disabled (when NOT selected)"
+  ansible.builtin.service:
+    name: mysql
+    state: stopped
+    enabled: no
+  when: db_engine != 'mysql'
+
+# ------------------ PostgreSQL Specific Tasks (Placeholder) ------------------
 
 - name: "Install PostgreSQL server"
   ansible.builtin.apt:
@@ -15,13 +56,6 @@
     update_cache: yes
   when: db_engine == 'postgres'
 
-- name: "Ensure MariaDB/MySQL service is running and enabled"
-  ansible.builtin.service:
-    name: mariadb
-    state: started
-    enabled: yes
-  when: db_engine == 'mariadb' or db_engine == 'mysql'
-
 - name: "Ensure PostgreSQL service is running and enabled"
   ansible.builtin.service:
     name: postgresql
@@ -29,7 +63,9 @@
     enabled: yes
   when: db_engine == 'postgres'
 
-- name: "Install Python dependencies for MariaDB/MySQL management"
+# --- Common Tasks for MySQL/MariaDB ---
+
+- name: "Install Python dependencies for MySQL/MariaDB management"
   ansible.builtin.apt:
     name: python3-pymysql
     state: present