[root@os7 ~]# cat xa
[OSEv3:children]
masters
nodes
etcd
nfs

# Set variables common for all OSEv3 hosts
[OSEv3:vars]
ansible_user=root

ansible_become=true
openshift_release="3.9"
openshift_metrics_image_version=v3.9
openshift_metrics_project=openshift-metrics

openshift_deployment_type=origin
openshift_master_default_subdomain=apps.exampler.com

openshift_master_identity_providers=[{'name': 'htpasswd_auth', 'login': 'true', 'challenge': 'true', 'kind': 'HTPasswdPasswordIdentityProvider', 'filename': '/etc/origin/master/htpasswd'}]
#openshift_master_htpasswd_file=/etc/origin/master/htpasswd
openshift_disable_check=memory_availability,disk_availability,docker_storage,docker_storage_driver

openshift_hosted_registry_storage_kind=nfs
openshift_enable_unsupported_configurations=True
openshift_hosted_registry_storage_access_modes=['ReadWriteMany']
#openshift_hosted_registry_storage_host=nfs.ovh
openshift_hosted_registry_storage_nfs_options='*(rw,root_squash)'
openshift_hosted_registry_storage_nfs_directory=/var/nfs/registry
openshift_hosted_registry_storage_volume_name=registry-volume
openshift_hosted_registry_storage_volume_size=110Gi

openshift_hosted_metrics_deploy=true
#
openshift_hosted_metrics_public_url=hawkular.exampler.com
#
openshift_hosted_metrics_storage_kind=nfs
openshift_hosted_metrics_storage_nfs_options='*(rw,root_squash)'
openshift_hosted_metrics_storage_access_modes=['ReadWriteOnce']
#openshift_hosted_metrics_storage_host=nfs.ovh
openshift_hosted_metrics_storage_nfs_directory=/var/nfs/metrics
openshift_hosted_metrics_storage_volume_name=metrics
openshift_hosted_metrics_storage_volume_size=20Gi

openshift_hosted_logging_deploy=true
openshift_hosted_logging_storage_kind=nfs
openshift_hosted_logging_storage_access_modes=['ReadWriteOnce']
#openshift_hosted_logging_storage_host=nfs.ovh
openshift_hosted_logging_storage_nfs_options='*(rw,root_squash)'
openshift_hosted_logging_storage_nfs_directory=/var/nfs/logs
openshift_hosted_logging_storage_volume_name=logging
openshift_hosted_logging_storage_volume_size=10Gi

osm_default_node_selector='env=apps'
os_sdn_network_plugin_name='redhat/openshift-ovs-multitenant'

openshift_hosted_prometheus_deploy=true
openshift_prometheus_namespace=openshift-metrics
openshift_prometheus_node_selector={"region":"infra"}

[masters]
master01.exampler.com openshift_public_hostname=master01.exampler.com openshift_hostname=master01.exampler.com

[etcd]
master01.exampler.com

[nodes]
master01.exampler.com openshift_public_hostname=master01.exampler.com openshift_hostname=master01.exampler.com

node01.exampler.com openshift_node_labels="{'region': 'infra', 'zone': 'default', 'env': 'apps'}" openshift_public_hostname=node01.exampler.com openshift_hostname=node01.exampler.com
node02.exampler.com openshift_node_labels="{'region': 'infra', 'zone': 'default', 'env': 'apps'}" openshift_public_hostname=node02.exampler.com openshift_hostname=node02.exampler.com
node03.exampler.com openshift_node_labels="{'zone': 'default', 'env': 'apps'}" openshift_public_hostname=node03.exampler.com openshift_hostname=node03.exampler.com
node04.exampler.com openshift_node_labels="{'zone': 'default', 'env': 'apps'}" openshift_public_hostname=node04.exampler.com openshift_hostname=node04.exampler.com


[nfs]
os7.exampler.com