kolla-ansible/ansible/roles/tempest/templates/tempest.json.j2

{
    "command": "sleep infinity",
    "config_files":[
        {
            "source": "{{ container_config_directory }}/tempest.conf",
            "dest": "/etc/tempest/tempest.conf",
            "owner": "tempest",
            "perm": "0600"
        }
    ]
}