galera configmap support
diff --git a/galera/files/my.cnf.container b/galera/files/my.cnf.container
new file mode 100644
index 0000000..ec85ef1
--- /dev/null
+++ b/galera/files/my.cnf.container
@@ -0,0 +1,82 @@
+{%- if pillar.galera.master is defined %}
+{%- from "galera/map.jinja" import master with context %}
+{%- set service = master %}
+{%- endif %}
+
+[MYSQLD]
+user=mysql
+basedir=/usr/
+bind-address={{ service.bind.address }}
+datadir=/var/lib/mysql
+socket=/var/lib/mysql/mysql.sock
+pid_file=/var/lib/mysql/mysql.pid
+port=3306
+log_warnings=2
+innodb_buffer_pool_size=3138M
+innodb_flush_log_at_trx_commit=2
+innodb_file_per_table=1
+innodb_data_file_path = ibdata1:100M:autoextend
+innodb_read_io_threads=8
+innodb_write_io_threads=8
+innodb_io_capacity=500
+innodb_doublewrite=0
+innodb_log_file_size=627M
+innodb_log_buffer_size=32M
+innodb_buffer_pool_instances=-1
+innodb_log_files_in_group=2
+innodb_thread_concurrency=64
+innodb_flush_method = O_DIRECT
+innodb_autoinc_lock_mode=2
+innodb_stats_on_metadata=0
+innodb_locks_unsafe_for_binlog=1
+default_storage_engine=innodb
+server_id=1
+binlog_format=ROW
+key_buffer_size = 64M
+tmp_table_size = 64M
+max_heap_table_size = 64M
+max_allowed_packet = 512M
+
+wait_timeout=1800
+myisam_sort_buffer_size = 64M
+open_files_limit=102400
+character-set-server=utf8
+
+skip_name_resolve
+memlock=0
+sysdate_is_now=1
+max_connections={{ service.get('max_connections', 20000) }}
+thread_cache_size=512
+query_cache_type = 0
+query_cache_size = 0
+table_open_cache=10000
+lower_case_table_names=0
+performance_schema = 1
+performance-schema-max-mutex-classes = 0
+performance-schema-max-mutex-instances = 0
+wsrep_provider={{ service.wsrep_provider }}
+wsrep_on=ON
+wsrep_provider_options="gcache.size=512M; gmcast.segment=0"
+wsrep_cluster_name="my_wsrep_cluster"
+wsrep_cluster_address="gcomm://{% for member in service.members %}{{ member.host}}{% if not loop.last %},{% endif %}{% endfor %}"
+wsrep_slave_threads=8
+wsrep_certify_nonPK=1
+wsrep_max_ws_rows=131072
+wsrep_max_ws_size=1073741824
+wsrep_debug=0
+wsrep_convert_LOCK_to_trx=0
+wsrep_retry_autocommit=1
+wsrep_auto_increment_control=1
+wsrep_replicate_myisam=1
+wsrep_drupal_282555_workaround=0
+wsrep_causal_reads=0
+wsrep_sst_method=xtrabackup
+wsrep_sst_auth={{ service.admin.user }}:{{ service.admin.password }}
+
+[MYSQL]
+socket=/var/lib/mysql/mysql.sock
+
+[xtrabackup]
+parallel=4
+user={{ service.admin.user }}
+password={{ service.admin.password }}
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