install redis from ubuntu repo.

playbooks/roles/redis/defaults/main.yml

@@ -19,7 +19,6 @@ REDIS_MAX_MEMORY_POLICY: "noeviction"
 # vars are namespace with the module name.
 #
 redis_role_name: redis
-redis_ppa: "ppa:chris-lea/redis-server"
 
 redis_user: redis
 redis_group: redis

playbooks/roles/redis/tasks/main.yml

@@ -21,16 +21,12 @@
 #
 #
 
-- name: Add the redis ppa
-  apt_repository:
-    repo: "{{ redis_ppa }}"
-    state: present
-
 - name: Install redis system packages
   apt:
     name: "{{ item }}"
     install_recommends: yes
     state: present
+    update_cache: yes
   with_items: "{{ redis_debian_pkgs }}"
   notify:
     - reload redis