library/roles/mysql/tasks/configure_root_access.yml: Add some tags and fix some descriptions.

mysql/tasks/configure_root_access.yml

@@ -1,6 +1,6 @@
 ---
 # 'localhost' needs to be the last item for idempotency, the mysql_user docs
-- name: Secure the mysql root user
+- name: Secure the mysql root user with a password
   mysql_user: name=root host={{ item }} password={{ mysql_root_password }}
   when: mysql_root_password is defined
   with_items:
@@ -9,9 +9,9 @@
     - ::1
     - localhost
   ignore_errors: True
-  tags: mysql
+  tags: [ 'mysql', 'mysql_root' ]
 
-- name: Secure the mysql root user
+- name: Secure the mysql root user when no password has been defined
   mysql_user: name=root host={{ item }} password=""
   when: mysql_root_password is not defined
   with_items:
@@ -20,15 +20,16 @@
     - ::1
     - localhost
   ignore_errors: True
-  tags: mysql
+  tags: [ 'mysql', 'mysql_root' ]
 
 - name: Install the .my.cnf file with root password credentials
   template: src=dot_my.cnf.j2 dest=/root/.my.cnf owner=root group=root mode=0400
   when: mysql_root_password is defined
-  tags: mysql
+  tags: [ 'mysql', 'mysql_root' ]
 
 - name: delete anonymous MySQL server user for the server hostname
   mysql_user: user="" host="{{ ansible_hostname }}" state="absent"
+  tags: [ 'mysql', 'mysql_root' ]
   tags: mysql
 
 - name: delete anonymous MySQL server user for localhost