Merge pull request #100 from rackn/cache-update-centos

Need to use separate stanzas for each repo because the

roles/kubernetes/preinstall/tasks/main.yml

@@ -33,11 +33,13 @@
   always_run: True
   tags: always
 
-- name: Update package management cache
-  action:
-    module: "{{ ansible_pkg_mgr }}"
-    update_cache: yes
-  when: ansible_pkg_mgr in ['apt', 'yum']
+- name: Update package management cache (APT)
+  apt: update_cache=yes
+  when: ansible_pkg_mgr == 'apt'
+
+- name: Update package management cache (YUM)
+  yum: update_cache=yes name='*'
+  when: ansible_pkg_mgr == 'yum'
 
 - name: Install python-apt for Debian distribs
   shell: apt-get install -y python-apt