def get_keystone_endpoint(self, keystone_ip, api_version=None,
                              admin_port=False):
        """Return keystone endpoint"""
        port = 5000
        if admin_port:
            port = 35357
        base_ep = "http://{}:{}".format(keystone_ip.strip().decode('utf-8'),
                                        port)
        if api_version == 2:
            ep = base_ep + "/v2.0"
        else:
            ep = base_ep + "/v3"
        return ep