# Juju managed file - don't change as charm will overwrite your changed!
[mysqld]

{% if bind_address %}
bind-address = {{ bind_address }}
{% endif %}

{% if wsrep_provider_options %}
wsrep_provider_options = {{ wsrep_provider_options }}
{% endif %}

datadir=/var/lib/mysql
user=mysql

# Path to Galera library
wsrep_provider=/usr/lib/libgalera_smm.so
{% if not clustered %}
# Empty gcomm address is being used when cluster is getting bootstrapped
wsrep_cluster_address=gcomm://
{% else %}
# Cluster connection URL contains the IPs of node#1, node#2 and node#3
wsrep_cluster_address=gcomm://{{ cluster_hosts }}
{% endif %}
# In order for Galera to work correctly binlog format should be ROW
binlog_format=ROW

# MyISAM storage engine has only experimental support
default_storage_engine=InnoDB

# This is a recommended tuning variable for performance
innodb_locks_unsafe_for_binlog=1

# This changes how InnoDB autoincrement locks are managed and is a requirement for Galera
innodb_autoinc_lock_mode=2

# Node #1 address
wsrep_node_address={{ private_address }}

# SST method
wsrep_sst_method={{ sst_method }}

# Cluster name
wsrep_cluster_name={{ cluster_name }}

# Authentication for SST method
wsrep_sst_auth="sstuser:{{ sst_password }}"

{% if max_connections != -1 %}
max_connections = {{ max_connections }}
{% endif %}

# Fine tuning
key_buffer_size = {{ key_buffer }}
table_cache = 512
max_allowed_packet = 16M

# InnoDB buffer should consume 100% of the bytes of the dataset size
# query cache is not supported with Active/Active configuration
innodb_buffer_pool_size = {{ dataset_bytes }}

{% if ipv6 %}
[sst]
sockopt=,pf=ip6
{% endif %}


!includedir /etc/mysql/conf.d/