Change cluster_name to wsrep_cluster_name in sample usage
Change cluster_name to wsrep_cluster_name in sample usage

xbezdick/puppet-galera,cwolferh/puppet-galera,cwolferh/puppet-galera,xbezdick/puppet-galera,redhat-openstack/puppet-galera,rdo-puppet-modules/puppet-galera,rdo-puppet-modules/puppet-galera,redhat-openstack/puppet-galera