The change updates mariadb to use version 10.
* The percona-xtrabackup repository was added
* the custom mysql init script was removed in favor of allowing the
packages to resolve its own init script
* the install process was modified such that its faster while
preserving the variable functionality already implemented.
* The Galera cluster.cnf was modified to allow the user to define
the wsrep method and a section for xtrabackup was added.
* The galera_max_connections option will now appropriately set the
max connection value such that any value used will be picked up
by the running process.
These changes enable us to leverage all of the new features and
stability found within the updated version of MariaDB+Galera.
DocImpact
UpgradeImpact
Implements: blueprint upgrade-mariadb-v10
Change-Id: I2d773e569667e07106862507b881e3f0aca85591
e50ce375ca