apiVersion: v1
kind: ConfigMap
metadata:
  name: mysql-config-vol
  namespace: galera
  labels:
    app: mysql
data:
  mariadb.cnf: |
    [client]
    default-character-set = utf8
    [mysqld]
    character-set-server  = utf8
    collation-server      = utf8_general_ci
    # InnoDB optimizations
    innodb_log_file_size  = 64M
  galera.cnf: |
    [galera]
    user = mysql
    bind-address = 0.0.0.0
    # Optimizations
    innodb_flush_log_at_trx_commit = 0
    sync_binlog = 0
    expire_logs_days = 7
    # Required settings
    default_storage_engine = InnoDB
    binlog_format = ROW
    innodb_autoinc_lock_mode = 2
    query_cache_size = 0
    query_cache_type = 0
    # MariaDB Galera settings
    #wsrep_debug=ON
    wsrep_on=ON
    wsrep_provider=/usr/lib/galera/libgalera_smm.so
    wsrep_sst_method=rsync
    # Cluster settings (automatically updated)
    wsrep_cluster_address=gcomm://
    wsrep_cluster_name=galera
    wsrep_node_address=127.0.0.1