roles: The apt cache_valid_time implies update_cache

See: https://docs.ansible.com/ansible/latest/modules/apt_module.html

roles/common/tasks/tarsnap.yml

@@ -17,7 +17,7 @@
     add_tarsnap_apt_repository is changed
 
 - name: Install tarsnap
-  apt: pkg=tarsnap update_cache=yes
+  apt: pkg=tarsnap cache_valid_time=3600
 
 - name: Copy tarsnaprc
   copy: src=tarsnaprc dest=/root/.tarsnaprc owner=root group=root mode=0600

roles/mariadb/tasks/main.yml

@@ -17,7 +17,7 @@
     add_mariadb_apt_repository is changed
 
 - name: Install mariadb-server
-  apt: name={{ item }} state=present update_cache=yes
+  apt: name={{ item }} state=present cache_valid_time=3600
   loop:
     - mariadb-server
     - python-mysqldb # for ansible

roles/nginx/tasks/main.yml

@@ -17,7 +17,7 @@
     add_nginx_apt_repository is changed
 
 - name: Install nginx
-  apt: pkg=nginx update_cache=yes state=present
+  apt: pkg=nginx cache_valid_time=3600 state=present
   tags: nginx, packages
 
 - name: Copy nginx.conf