ansible-mysql/defaults/main.yml

---

# -------------------------------------
# Setup
# -------------------------------------
mariadb_origin: 'default'
mariadb_use_galera: false
mariadb_notify_restart: true

# -------------------------------------
# Configuration
# -------------------------------------

# MariaDB connection settings.
mariadb_port: "3306"
mariadb_bind_address: '127.0.0.1'
mariadb_datadir: '/var/lib/mysql'
mariadb_pid_file: '/run/mysqld/mysqld.pid'
mariadb_socket: '/run/mysqld/mysqld.sock'

# Slow query log settings.
mariadb_slow_query_log_enabled: false
mariadb_slow_query_log_file: '/var/log/mysql/mysql_slow.log'
mariadb_slow_query_time: 2

# Memory settings (default values optimized ~512MB RAM).
# Fine Tuning
mariadb_key_buffer_size: '256M'
mariadb_max_allowed_packet: '64M'
mariadb_max_connections: 100

mariadb_table_open_cache: '2000'
mariadb_sort_buffer_size: '2M'
mariadb_read_buffer_size: '1M'
mariadb_read_rnd_buffer_size: '2M'
mariadb_myisam_sort_buffer_size: '128M'
mariadb_thread_cache_size: '256'
mariadb_query_cache_size: '16M'

# Other settings.
mariadb_wait_timeout: 28800

# InnoDB settings.
mariadb_innodb_buffer_pool_size: "{{ (ansible_memtotal_mb * 0.2) | round | int }}M"
mariadb_innodb_log_file_size: "64M"    # If this setting changes on a running system, you will break it! http://dev.mysql.com/doc/refman/5.6/en/innodb-data-log-reconfiguration.html
mariadb_innodb_log_buffer_size: '8M'
mariadb_innodb_flush_log_at_trx_commit: '1'
mariadb_innodb_lock_wait_timeout: 50

# Logging settings.
mariadb_log_error: '/var/log/mysql/mysql_error.log'
mariadb_syslog_tag: 'mysql'

# mysqldump settings.
mariadb_mysqldump_max_allowed_packet: '64M'

# -------------------------------------
# Extra configuration
# -------------------------------------
#
mariadb_extra_configuration: {}

# Example:
# mariadb_extra_configuration:
#   'innodb_awsome_feature': 1

# -------------------------------------
# Replication
# -------------------------------------
mariadb_replication_master: false
mariadb_replication_slave: false
mariadb_server_id: "{{ ansible_default_ipv4.address | ipaddr('int') }}"

mariadb_replication_user: 'repl'
mariadb_replication_password: 'change_me_NOW'
mariadb_replication_host: '192.168.0.1'
mariadb_replication_port: '3306'

mariadb_backup_dir: '/var/backups/tmp-mysql'

mariadb_service_name: '{{ mariadb_default_service_name if mariadb_origin == "default" else "mariadb" }}'

# Master
mariadb_max_binlog_size: "100M"
mariadb_expire_logs_days: "10"

#
# Slave
#
mariadb_slave_readonly: true
# Import data from
mariadb_slave_import_data: true
# host used to create a backup (can be the master or another slave) - default: use the master
mariadb_slave_import_from: "{{ mariadb_replication_host }}"
# Delete dump after slave configuration (set false if you have many slaves to install, it avoids to create many dumps)
mariadb_slave_import_flush_dump: true
# Don't replicate these DBs/tables
mariadb_slave_ignore_db: []
mariadb_slave_ignore_table: []
# SSH user used to copy data
mariadb_backup_user: "{{ ansible_user_id }}"     # TODO: change var name
## If data is already imported, you can specify position
mariadb_master_log_file: null
mariadb_master_log_pos: null
# If true, reconfigure slave
mariadb_slave_force_setup: false
mariadb_gtid_domain_id: 1

# -------------------------------------
# Database / Users
# -------------------------------------
mariadb_databases: []
mariadb_users: []

# -------------------------------------
# MariaDB Upstream
# -------------------------------------
mariadb_upstream_setup_script: 'https://r.mariadb.com/downloads/mariadb_repo_setup'
mariadb_upstream_version: '11.4'

# -------------------------------------
# Galera
# -------------------------------------
mariadb_galera_resetup: false
mariadb_wsrep_node_address: false    # Set primary node IP
mariadb_galera_members: []
mariadb_galera_primary_node: 'change_me'    # See: https://github.com/ansible/ansible/issues/17453
mariadb_wsrep_stt_method: 'rsync'

mariadb_galera_package_name: 'galera-4'

# -------------------------------------
# Debug
# -------------------------------------
mariadb_debug_role: false