add another custom postgres user and database for own small php scripts and stuff like that.

roles/blog/defaults/main.yml

 commento_db_password: "{{ lookup('password', secret + '/' + 'commento_db_password length=32') }}"
 commento_db_database: 'commento'
 
+custom_db_username: 'pageuser'
+custom_db_password: "{{ lookup('password', secret + '/' + 'custom_db_password length=32') }}"
+custom_db_database: 'page'
+
 # must match values in roles/common
 db_admin_username: 'postgres'
 db_admin_password: "{{ lookup('password', secret + '/' + 'db_admin_password length=32') }}"

roles/blog/tasks/blog.yml

     group=root
   notify: restart apache
 
+- name: Add custom postgres user
+  postgresql_user:
+    login_host=localhost
+    login_user={{ db_admin_username }}
+    login_password="{{ db_admin_password }}"
+    name={{ custom_db_username }}
+    password="{{ custom_db_password }}"
+    encrypted=yes
+    state=present
+
+- name: Create custom database
+  postgresql_db:
+    login_host=localhost
+    login_user={{ db_admin_username }}
+    login_password="{{ db_admin_password }}"
+    name={{ custom_db_database }}
+    state=present
+    owner={{ custom_db_username }}
+
 - name: Create an example blog index page
   template:
     src=var_www_blog_index.j2