add MariaDB role

roles/mariadb/tasks/mariadb.yml

@@ -0,0 +1,36 @@
+---
+- name: Add MariaDB GPG apt key
+  apt_key:
+    url: https://mariadb.org/mariadb_release_signing_key.asc
+    keyring: /usr/share/keyrings/mariadb_release_signing_key.gpg
+    state: present
+
+- name: Add MariaDB Repository
+  apt_repository:
+    repo: "deb [arch={{ deb_architecture }} signed-by=/usr/share/keyrings/mariadb_release_signing_key.gpg] \
+          https://mirrors.n-ix.net/mariadb/repo/{{ mariadb_server_version }}/ubuntu {{ ansible_distribution_release }} main/debug"
+    state: present
+    update_cache: true
+
+- name: Install MariaDB
+  apt:
+    name: mariadb-server
+    state: latest
+    update_cache: true
+    cache_valid_time: 3600
+
+- name: Install required system packages
+  apt:
+    name: python3-mysqldb  # needed for mariadb ansible module
+    state: latest
+    update_cache: true
+    cache_valid_time: 3600
+
+- name: Copy configuration file
+  template:
+    src: my.cnf.j2
+    dest: /etc/mysql/my.cnf
+    owner: mysql
+    group: mysql
+    mode: 0600
+  notify: restart mariadb