Installation of aggregated logging with playbook fails when node-selectors defined

Issue

Installer fails with below error whenopenshift_logging_es_nodeselector='region=infra' and openshift_logging_curator_nodeselector='region=infra' are defined in inventory file :

TASK [openshift_logging : Generate Elasticsearch DeploymentConfig] *************
task path: /usr/share/ansible/openshift-ansible/roles/openshift_logging/tasks/set_es_storage.yaml:66
looking for "es.j2" at "/usr/share/ansible/openshift-ansible/roles/openshift_logging/templates/es.j2"
fatal: [master.example.com]: FAILED! => {
    "changed": false,
    "failed": true,
    "invocation": {
        "module_args": {
            "dest": "/tmp/openshift-logging-ansible-TxMbvC/templates/logging-logging-es-02e40h7d-dc.yaml",
            "src": "es.j2"
        },
        "module_name": "template"
    }