added installation for powerdns primary server

roles/database/tasks/install_mysql.yml

@@ -1,2 +1,12 @@
 - debug:
-    msg: "mysql: {{ mysql }}"
+    msg: "mysql: {{ mysql }}"
+
+- name: database | mariadb | install mariadb packages
+  package:
+    name: "{{ item.package }}"
+    update_cache: yes
+    cache_valid_time: 3600
+    state: present
+    install_recommends: no
+  become: yes
+  with_items: "{{ mysql_pkgs.packages }}"

roles/database/vars/debian.yml

@@ -3,6 +3,10 @@ redis_pkgs:
     - package: "redis-server"
     - package: "redis-tools"
 
+mysql_pkgs:
+  packages:
+    - package: "mariadb-server"
+
 postgres_pkgs:
   packages:
     - package: "libpq-dev"

roles/database/vars/ubuntu.yml

@@ -3,6 +3,10 @@ redis_pkgs:
     - package: "redis-server"
     - package: "redis-tools"
 
+mysql_pkgs:
+  packages:
+    - package: "mariadb-server"
+
 postgres_pkgs:
   packages:
     - package: "libpq-dev"