library/roles/postgresql/tasks/manage_pg_db.yml: Use the new syntax for the privilege escalation. Use 'become' instead of 'sudo'.

postgresql/tasks/manage_pg_db.yml

@@ -1,29 +1,20 @@
 ---
 - name: Add a user for the postgresql DBs
-  remote_user: root
-  sudo: yes
-  sudo_user: postgres
+  become: True
+  become_user: postgres
   postgresql_user: user={{ item.user }} password={{ item.pwd }} role_attr_flags={{ item.roles }}
   with_items: psql_db_data
   when:
     - psql_db_data is defined
     - item.roles is defined
-  tags:
-    - postgresql
-    - postgres
-    - pg_db
+  tags: [ 'postgresql', 'postgres', 'pg_db' ]
 
 - name: Add the databases with the correct owner
-  remote_user: root
-  sudo: yes
-  sudo_user: postgres
+  become: True
+  become_user: postgres
   postgresql_db: db={{ item.name }} encoding={{ item.encoding }} owner={{ item.user }} template=template0 state=present
   with_items: psql_db_data
   when:
     - psql_db_data is defined
     - item.roles is defined
-  tags:
-    - postgresql
-    - postgres
-    - pg_db
-
+  tags: [ 'postgresql', 'postgres', 'pg_db' ]