Added custom configurations for mysql server using vars

defaults/main.yml

@@ -1,2 +1,16 @@
 ---
+# Define root password for percona server
 root_password: reallylongpassword
+
+# Some defaults variables for percona server config file
+port: 3306
+bind_address: 0.0.0.0
+max_allowed_packet: 16M
+key_buffer: 16M
+thread_stack: 192K
+thread_cache_size: 8
+# Uncomment following vars if you want to log queries
+sqldebug: true
+log_slow_queries: log_slow_queries    = /var/log/mysql/mysql-slow.log
+long_query_time: long_query_time      = 2
+log_queries_not_using_indexes: log-queries-not-using-indexes

handlers/main.yml

@@ -0,0 +1,3 @@
+---
+- name: restart percona
+  action: service name=mysql state=restarted

tasks/install.yml

@@ -44,3 +44,8 @@
 
 - name: Create murmur_hash
   command: /usr/bin/mysql -e "CREATE FUNCTION murmur_hash RETURNS INTEGER SONAME 'libmurmur_udf.so'" creates=/tmp/libmurmur_udf.so.done
+
+- name: Write custom server configuration
+  template: src=my.cnf.j2 dest=/etc/mysql/my.cnf owner=root mode=0622
+  notify:
+          - restart percona

templates/my.cnf.j2

@@ -0,0 +1,130 @@
+# NOTE: This file is automaticaly generated by Ansible
+#       please do not change any variable in this config file
+#       or will be override by ansible
+#
+# The MySQL database server configuration file.
+#
+# You can copy this to one of:
+# - "/etc/mysql/my.cnf" to set global options,
+# - "~/.my.cnf" to set user-specific options.
+# 
+# One can use all long options that the program supports.
+# Run program with --help to get a list of available options and with
+# --print-defaults to see which it would actually understand and use.
+#
+# For explanations see
+# http://dev.mysql.com/doc/mysql/en/server-system-variables.html
+
+# This will be passed to all mysql clients
+# It has been reported that passwords should be enclosed with ticks/quotes
+# escpecially if they contain "#" chars...
+# Remember to edit /etc/mysql/debian.cnf when changing the socket location.
+[client]
+port		= {{ port }}
+socket		= /var/run/mysqld/mysqld.sock
+
+# Here is entries for some specific programs
+# The following values assume you have at least 32M ram
+
+# This was formally known as [safe_mysqld]. Both versions are currently parsed.
+[mysqld_safe]
+socket		= /var/run/mysqld/mysqld.sock
+nice		= 0
+
+[mysqld]
+#
+# * Basic Settings
+#
+user		= mysql
+pid-file	= /var/run/mysqld/mysqld.pid
+socket		= /var/run/mysqld/mysqld.sock
+port		= {{ port }}
+basedir		= /usr
+datadir		= /var/lib/mysql
+tmpdir		= /tmp
+lc-messages-dir	= /usr/share/mysql
+skip-external-locking
+#
+# Instead of skip-networking the default is now to listen only on
+# localhost which is more compatible and is not less secure.
+bind-address		= {{  bind_address }}
+#
+# * Fine Tuning
+#
+key_buffer		= {{ key_buffer }} # 16M
+max_allowed_packet	= {{ max_allowed_packet }} # 16M
+thread_stack		= {{ thread_stack }} # 192K
+thread_cache_size       = {{ thread_cache_size }} # 8
+# This replaces the startup script and checks MyISAM tables if needed
+# the first time they are touched
+myisam-recover         = BACKUP
+#max_connections        = 100
+#table_cache            = 64
+#thread_concurrency     = 10
+#
+# * Query Cache Configuration
+#
+query_cache_limit	= 1M
+query_cache_size        = 16M
+#
+# * Logging and Replication
+#
+# Both location gets rotated by the cronjob.
+# Be aware that this log type is a performance killer.
+# As of 5.1 you can enable the log at runtime!
+#general_log_file        = /var/log/mysql/mysql.log
+#general_log             = 1
+#
+# Error logging goes to syslog due to /etc/mysql/conf.d/mysqld_safe_syslog.cnf.
+#
+# Here you can see queries with especially long duration
+{% if sqldebug %}
+{{ log_slow_queries }}
+{{ long_query_time }}
+{{ log_queries_not_using_indexes }}
+{% endif -%}
+#
+# The following can be used as easy to replay backup logs or for replication.
+# note: if you are setting up a replication slave, see README.Debian about
+#       other settings you may need to change.
+#server-id		= 1
+#log_bin			= /var/log/mysql/mysql-bin.log
+expire_logs_days	= 10
+max_binlog_size         = 100M
+#binlog_do_db		= include_database_name
+#binlog_ignore_db	= include_database_name
+#
+# * InnoDB
+#
+# InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
+# Read the manual for more InnoDB related options. There are many!
+#
+# * Security Features
+#
+# Read the manual, too, if you want chroot!
+# chroot = /var/lib/mysql/
+#
+# For generating SSL certificates I recommend the OpenSSL GUI "tinyca".
+#
+# ssl-ca=/etc/mysql/cacert.pem
+# ssl-cert=/etc/mysql/server-cert.pem
+# ssl-key=/etc/mysql/server-key.pem
+
+
+
+[mysqldump]
+quick
+quote-names
+max_allowed_packet	= 16M
+
+[mysql]
+#no-auto-rehash	# faster start of mysql but no tab completition
+
+[isamchk]
+key_buffer		= 16M
+
+#
+# * IMPORTANT: Additional settings that can override those from this file!
+#   The files must end with '.cnf', otherwise they'll be ignored.
+#
+!includedir /etc/mysql/conf.d/