root@dep:/opt/openstack-ansible/playbooks# ansible galera_container -m shell -a "cat /var/lib/mysql/grastate.dat"
Variable files: "-e @/etc/openstack_deploy/user_secrets.yml -e @/etc/openstack_deploy/user_variables.yml "
 [WARNING]: Unable to parse /etc/openstack_deploy/inventory.ini as an inventory source

infra1_galera_container-e7bab8f1 | SUCCESS | rc=0 >>
# GALERA saved state
version: 2.1
uuid:    4daf621b-77dd-11e9-acdc-ca2d132b1fb7
seqno:   -1
safe_to_bootstrap: 1

root@dep:/opt/openstack-ansible/playbooks# ansible galera_container -m shell -a "mysql -h 127.0.0.1 -e 'show status like \"%wsrep_cluster_%\";'"
Variable files: "-e @/etc/openstack_deploy/user_secrets.yml -e @/etc/openstack_deploy/user_variables.yml "
 [WARNING]: Unable to parse /etc/openstack_deploy/inventory.ini as an inventory source

infra1_galera_container-e7bab8f1 | SUCCESS | rc=0 >>
Variable_name	Value
wsrep_cluster_conf_id	1
wsrep_cluster_size	1
wsrep_cluster_state_uuid	4daf621b-77dd-11e9-acdc-ca2d132b1fb7
wsrep_cluster_status	Primary