[mysqld]
binlog_format=ROW
default-storage-engine=innodb
innodb_autoinc_lock_mode=2
bind-address=0.0.0.0

# Galera Provider Configuration
wsrep_on=ON
wsrep_provider=/usr/lib/galera/libgalera_smm.so

# Galera Cluster Configuration
wsrep_cluster_name="galera_cluster"
wsrep_cluster_address="gcomm://{% for host in groups['workers'] %} {{hostvars[host]['ansible_default_ipv4']['address']}} {% endfor %}"

# Galera Synchronization Configuration
wsrep_sst_method=rsync

# Galera Node Configuration
#wsrep_node_address="{{ ansible_default_ipv4.address }}"
#wsrep_node_name="{{ ansible_hostname }}"
wsrep_node_name="{{ nodes[0] if ansible_hostname in groups['workers'][0] else nodes[1] }}"