Cleanup/standardize usage of tags

The numerous tags within the role have been condensed
to two tags: memcached-install and memcached-config

These tags have been chosen as they are namespaced
and cover the two major functions of the role.

Change-Id: Iabb2ae9bd314625e76c76aa1155a7918745fcc50

tasks/install-apt.yml

@@ -20,15 +20,11 @@
   stat:
     path: /var/cache/apt
   register: apt_cache_stat
-  tags:
-    - memcached-apt-packages
 
 - name: Update apt if needed
   apt:
     update_cache: yes
   when: "ansible_date_time.epoch|float - apt_cache_stat.stat.mtime > {{cache_timeout}}"
-  tags:
-    - memcached-apt-packages
 
 - name: Install apt packages
   apt:
@@ -39,8 +35,6 @@
   retries: 5
   delay: 2
   with_items: "{{ memcached_packages }}"
-  tags:
-    - memcached-apt-packages
 
 - name: Install apt packages for testing
   apt:

tasks/install-yum.yml

@@ -18,7 +18,6 @@
   register: yum_clean
   until: yum_clean | success
   tags:
-    - memcache-yum-packages
     - skip_ansible_lint
 
 - name: Install yum packages
@@ -30,8 +29,6 @@
   retries: 5
   delay: 2
   with_items: "{{ memcached_packages }}"
-  tags:
-    - memcache-yum-packages
 
 - name: Install yum packages for testing
   yum:

tasks/main.yml

@@ -25,7 +25,11 @@
     - always
 
 - include: memcached_install.yml
+  tags:
+    - memcached-install
 - include: memcached_config.yml
+  tags:
+    - memcached-config
 
 - name: Flush handlers
   meta: flush_handlers

tasks/memcached_config.yml

@@ -26,8 +26,6 @@
     group: "root"
     mode: "0644"
   notify: Restart memcached
-  tags:
-    - memcached-config
 
 - name: Apply resource limits
   template:
@@ -40,8 +38,6 @@
     - ansible_pkg_mgr == 'apt'
     - memcached_connections > 1024
   notify: Restart memcached
-  tags:
-    - memcached-config
 
 - name: Configure soft file limits
   lineinfile:

tasks/memcached_install.yml

@@ -16,11 +16,7 @@
 - include: install-apt.yml
   when:
     - ansible_pkg_mgr == 'apt'
-  tags:
-    - install-apt
 
 - include: install-yum.yml
   when:
     - ansible_pkg_mgr == 'yum'
-  tags:
-    - install-yum