Few improvements(#33)

* README update
* Remove useless legacy files
* Small refactoring for Galera Cluster
* Modern Ansible
* Some changes on travis + Vagrant
* Help debug: display all facts
* Fix galera config for docker

tasks/install/main.yml

@@ -1,17 +1,16 @@
 ---
 
-- name: INCLUDE | Use Percona repository
-  include: 'percona/apt.yml'
+- name: INCLUDE | Setup Percona repository
+  import_tasks: 'percona/apt.yml'
   when: mariadb_use_percona_apt
 
-- name: INCLUDE | Install MariaDB from Debian repo
-  include: 'mariadb/default.yml'
-  when: mariadb_origin == 'default' and mariadb_vendor == 'mariadb'
-
-- name: INCLUDE | Install MariaDB from MariaDB repo
-  include: 'mariadb/upstream.yml'
+- name: INCLUDE | Setup MariaDB repository
+  import_tasks: 'mariadb/upstream.yml'
   when: mariadb_origin == 'upstream'
 
+- name: INCLUDE | Install MariaDB
+  import_tasks: 'mariadb/default.yml'
+
 - name: APT | Install few MariaDB related tools
   apt:
     pkg: "{{ mariadb_tools }}"

tasks/install/mariadb/default.yml

@@ -28,4 +28,4 @@
 - name: APT | Install Galera
   apt:
     pkg: galera-3
-  when: mariadb_vendor == 'mariadb_galera'
+  when: mariadb_use_galera

tasks/install/mariadb/upstream.yml

@@ -19,6 +19,3 @@
   apt_repository:
     repo: 'deb-src {{ mariadb_repository }} {{ ansible_distribution_release }} main'
   when: mariadb_upstream_apt_src
-
-- name: INCLUDE | Normal Install
-  include: default.yml