mariadb: Add support for setting root password

roles/mariadb/tasks/main.yml

@@ -1,8 +1,11 @@
 ---
 - name: install packages
   package:
-    name: mariadb-server
+    name: "{{ item }}"
     state: installed
+  with_items:
+    - mariadb-server
+    - python3-PyMySQL
 
 - name: fix selinux contexts from data directory
   sefcontext:
@@ -56,3 +59,23 @@
     name: mariadb
     state: started
     enabled: true
+
+- name: set root password
+  mysql_user:
+    name: root
+    password: "{{ mariadb_root_password }}"
+    login_user: root
+    login_password: "{{ mariadb_root_password }}"
+    check_implicit_admin: true
+    login_unix_socket: /var/lib/mysql/mysql.sock
+  no_log: true
+  when: mariadb_root_password is defined
+
+- name: create root .my.cnf
+  template:
+    dest: /root/.my.cnf
+    src: my.cnf.j2
+    mode: 0600
+    owner: root
+    group: "{{ ansible_wheel }}"
+  when: mariadb_root_password is defined