gistfile1.py

def no_none(props):
    ''' returns a dict with no None values'''
    return {key: value
            for key, value in props.iteritems()
            if value is not None}


def handle_create(self):
    properties = {
      self.rs.nodes: self.nodes(),
      self.rs.protocol: next(iter(self.protocols())),
      self.rs.virtual_ips: [{"type": "PUBLIC"}],
      self.rs.lb_port: next(iter(self.lb_ports())),
      self.rs.connection_logging: self.conn_log(),
    }
    template = {
        'heat_template_version': '2013-05-23',
        'resources': {
            'lb': {
                'type': 'Rackspace::Cloud::LoadBalancer',
                'properties': no_none(properties),
            }
        }
    }
    return self.create_with_template(
        template_format.parse(json.dumps(template)), None)