The base playbooks create the dir "/var/log/mysql_logs" as a link when
running on baremetal which cause tasks to fail in post install due to
the link already existing. This PR simply adds the tasks required to
make the role detect the link and handle it correctly.
Change-Id: Ice8d27ffcc23ec2d0cd222ed62c56b578af09035
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>