rally/existing.json

{
    "creds": {
        "openstack": {
            "admin": {
                "password": "myadminpass",
                "tenant_name": "demo",
                "username": "admin"
            },
            "auth_url": "http://example.net:5000/v2.0/",
            "endpoint": null,
            "endpoint_type": "public",
            "https_cacert": "",
            "https_insecure": false,
            "profiler_hmac_key": null,
            "region_name": "RegionOne"
        }
    },
    "type": "ExistingCloud"
}