This will add the node's FQDN to the mysql certificate request
besides the VIP's FQDN which we already use. This is needed for
adding TLS to the replication traffic. The CA file was also added
as hieradata, since the path will be needed for the TLS
configuration.
bp tls-via-certmonger
Change-Id: I9252303b92a2805ba83f86a85770db2551a014d3