New configuration method

defaults/main.yml

@@ -10,13 +10,65 @@ mysql_root_password: 'change_me_NOW'
 # -------------------------------------
 # Configuration
 # -------------------------------------
-mysql_cnf:
-  - group_name: 'mysqld'
-    conf:
-      - key: 'innodb_file_per_table'
-        value: 1
-      - key: 'innodb_buffer_pool_size' # 60% available RAM :)
-        value: '{{ (ansible_memtotal_mb * 0.6) | round | int }}M'
+
+# MySQL connection settings.
+mysql_port: "3306"
+mysql_bind_address: '127.0.0.1'
+mysql_datadir: '/var/lib/mysql'
+mysql_pid_file: '/var/run/mysqld/mysqld.pid'
+mysql_socket: '/var/run/mysqld/mysqld.sock'
+
+# Slow query log settings.
+mysql_slow_query_log_enabled: false
+mysql_slow_query_log_file: '/var/log/mysql-slow.log'
+mysql_slow_query_time: 2
+
+# Memory settings (default values optimized ~512MB RAM).
+mysql_key_buffer_size: '256M'
+mysql_max_allowed_packet: '64M'
+mysql_table_open_cache: '256'
+mysql_sort_buffer_size: '1M'
+mysql_read_buffer_size: '1M'
+mysql_read_rnd_buffer_size: '4M'
+mysql_myisam_sort_buffer_size: '64M'
+mysql_thread_cache_size: '8'
+mysql_query_cache_size: '16M'
+
+# Other settings.
+mysql_wait_timeout: 28800
+
+# Try number of CPU's * 2 for thread_concurrency.
+mysql_thread_concurrency: 2
+
+# InnoDB settings.
+mysql_innodb_file_per_table: '1'
+mysql_innodb_buffer_pool_size: "{{ (ansible_memtotal_mb * 0.6) | round | int }}M"
+mysql_innodb_additional_mem_pool_size: '20M'
+mysql_innodb_log_file_size: '64M'
+mysql_innodb_log_buffer_size: '8M'
+mysql_innodb_flush_log_at_trx_commit: '1'
+mysql_innodb_lock_wait_timeout: 50
+
+# mysqldump settings.
+mysql_mysqldump_max_allowed_packet: '64M'
+
+# Logging settings.
+mysql_log: ''
+mysql_log_error: '/var/log/mysql.err'
+mysql_syslog_tag: 'mysql'
+
+# -------------------------------------
+# Extra configuration
+# -------------------------------------
+#
+mysql_extra_configuration: []
+
+# Example:
+#mysql_extra_configuration:
+# - group_name: 'mysqld'
+#   conf:
+#     - key: 'innodb_awsome_feature'
+#       value: 1
 
 # -------------------------------------
 # Database / Users
@@ -36,4 +88,3 @@ mariadb_repository: "http://ftp.igh.cnrs.fr/pub/mariadb/repo/{{ mariadb_version
 # -------------------------------------
 percona_version: '5.6'
 percona_repository: 'http://repo.percona.com/apt'
-