Template for master slave mariadb configuration

roles/db/tasks/main.yml

@@ -1,5 +1,7 @@
 ---
 # This installs mariadb and galera on db nodes
+# https://mariadb.com/blog/devops-mariadb-part-1
+# https://mariadb.com/blog/devops-mariadb-and-ansible-part-2
 
 - name: Update apt
   apt: update_cache=yes
@@ -7,15 +9,23 @@
 - name: Install software properties
   apt: name=software-properties-common state=present
 
-- name: Add galera apt repo
-  apt_key: url=hkp://keyserver.ubuntu.com:80 0xcbcb082a1bb943db
-  apt_repository: repo='deb [arch=amd64,i386] http://ftp.osuosl.org/pub/mariadb/repo/10.1/ubuntu trusty main'
+- name: Install MariaDB repository
+  apt_repository: repo='deb http://ftp.igh.cnrs.fr/pub/mariadb/repo/10.1/ubuntu trusty main' state=present
 
-- name: Update apt
-  apt: udpate_cache=yes
+- name: Add repository key to the system
+  apt_key: keyserver=keyserver.ubuntu.com id=0xcbcb082a1bb943db
 
-- name: Install mariadb
-  apt: name=mariadb-server state=present
+- name: Install MariaDB Server
+  apt: name=mariadb-server state=latest update_cache=yes
 
+- name: Install python module
+  apt: name=python-mysqldb state=installed
 
+- name: Create replication account
+  mysql_user: name=repl host="%" password={{ replication_password }} priv=*.*:"REPLICATION SLAVE" state=present
 
+- name: Create readwrite user
+  mysql_user: name=rwuser host="%" password={{ read_write_password }} priv=*.*:SELECT,INSERT,UPDATE,DELETE,CREATE,DROP state=present
+
+- name: Modify configuration file to listen on all interfaces
+  lineinfile: dest=/etc/mysql/my.cnf regexp="^bind-address" line="bind-address=0.0.0.0"

roles/masterdb/tasks/main.yml

@@ -0,0 +1,13 @@
+---
+# This sets up the wrestlingtourney database and starts the binlogs
+# https://mariadb.com/blog/devops-mariadb-part-1
+# https://mariadb.com/blog/devops-mariadb-and-ansible-part-2
+
+- name: Modify configuration file to setup server ID
+  lineinfile: dest=/etc/mysql/my.cnf regexp="^#server-id" line="server-id=1"
+
+- name: Restart mysql service
+  service: name=mysql state=restarted
+
+- name: Reset master binlog
+  command: /usr/bin/mysql -u root -e "RESET MASTER"

roles/slavedb/tasks/main.yml

@@ -0,0 +1,13 @@
+---
+# This installs mariadb and galera on db nodes
+# https://mariadb.com/blog/devops-mariadb-part-1
+# https://mariadb.com/blog/devops-mariadb-and-ansible-part-2
+
+- name: Modify configuration file to setup server ID
+  lineinfile: dest=/etc/mysql/my.cnf regexp="^#server-id" line="server-id=2"
+
+- name: Setup replication
+  command: /usr/bin/mysql -uroot -e "CHANGE MASTER TO master_host='192.168.50.2', master_user='repl', master_password='{{ replication_password }}', master_use_gtid=current_pos"
+
+- name: Restart mysql service
+  service: name=mysql state=restarted