ansible-roles/mysql/defaults/main.yml

---
mysql_enabled: True
mysql_pkg_state: present
mysql_conf_dir: /etc/mysql/conf.d
mysql_socket: /var/run/mysqld/mysqld.sock

# python-mysqldb is needed by ansible to manage users and databases
mysql_packages_list:
  - mysql-server
  - mysql-client
  - mytop
  - python-mysqldb

mysql_db_name: db_name
mysql_db_user: db_user
mysql_db_pwd: "We cannot save the password into the repository. Use another variable and change pgpass.j2 accordingly. Encrypt the file that contains the variable with ansible-vault"

# Alternatives: utf8
mysql_default_encoding: utf8mb4
# Alternatives: utf8_unicode_ci utf8_bin
mysql_default_collation: utf8mb4_unicode_ci
mysql_db_host: localhost
mysql_db_port: 3306
mysql_db_max_connections: 100
mysqld_db_read_buffer_size: 128K
mysql_db_read_rnd_buffer_size: 256K
mysql_db_innodb_data_file_path: 'ibdata1:10M:autoextend'
mysql_db_innodb_buffer_pool_size: 256M
mysql_db_innodb_additional_mem_pool_size: 5M
# Set .._log_file_size to 25 % of buffer pool size
mysql_db_innodb_log_file_size: 64M
mysql_db_innodb_log_buffer_size: 9M
mysql_safe_open_files_limit: 1024

mysql_listen_on_ext_int: False
#mysql_db_data:
#  - { name: '{{ mysql_db_name }}', collation: '{{ mysql_default_collation }}', encoding: '{{ mysql_default_encoding }}', user: '{{ mysql_db_user }}', pwd: '{{ mysql_db_pwd }}', user_grant: 'ALL', allowed_hosts: [ 'localhost', 'yyy.yyy.yyy.yyy/32' ] }