Better master and support MariaDB GTID

defaults/main.yml

@@ -114,6 +114,8 @@ mysql_master_log_pos: null
 # If true, reconfigure slave
 mysql_slave_force_setup: false
 
+# Only MariaDB 10.0+
+mysql_gtid_domain_id: 1
 
 # -------------------------------------
 # Database / Users

tasks/detect_gtid.yml

@@ -0,0 +1,12 @@
+---
+
+- name: MYSQL_VARIABLES | Get MySQL vendor
+  mysql_variables: variable=version_comment
+  register: vc
+
+- name: SET_FACT | Server can use GTID
+  set_fact: mysql_gtid=true
+  when: >
+    ( mysql_vendor == 'mariadb' and vc.msg[0][1] | version_compare('10.0.2', 'ge') ) or
+    ( vc.msg[0][1] | version_compare('5.6.5', 'ge') )
+

tasks/main.yml

@@ -29,6 +29,9 @@
 - name: TEMPLATE Create .my.cnf for root
   template: src=root/my.cnf dest=/root/.my.cnf owner=root group=root mode=0600 backup=yes
 
+- name: INCLUDE | Detect if server supports GTID
+  include: detect_gtid.yml
+
 - name: INCLUDE | Replication Master
   include: replication_master.yml
   when: mysql_replication_master

tasks/replication_slave.yml

@@ -35,4 +35,4 @@
   when: >
     mysql_vendor == 'mariadb' and
     slave_status.Using_Gtid == 'No' and
-    mysql_mysql_gtid
+    mysql_gtid

templates/etc/mysql/conf.d/50-master.cnf.j2

@@ -7,9 +7,14 @@
 
 [mysqld]
 server_id={{ mysql_server_id }}
-log-bin
+log_bin = mysql-bin
+log-bin-index = mysql-bin.index
+expire_logs_days = {{ mysql_expire_logs_days }}
+max_binlog_size = {{ mysql_max_binlog_size }}
 
-# MariaDB only?
+{% if mysql_vendor == 'mariadb' and mysql_gtid %}
-#gtid_domain_id=1
+# MariaDB only
+gtid_domain_id={{ mysql_gtid_domain_id }}
+{% endif %}
 
 ; vim: set ft=dosini :