def __init__(self, virtapi, read_only=False): super(PCSDriver, self).__init__(virtapi) LOG.info("__init__") self.host = None self._host_state = None self._initiator = None if CONF.firewall_driver != "nova.virt.firewall.NoopFirewallDriver": raise NotImplementedError(firewall_msg) self.vif_driver = PCSVIFDriver() self.image_cache_manager = imagecache.ImageCacheManager(self) self.image_cache = template.LZRWImageCache() self.volume_drivers = driver.driver_dict_from_config( CONF.pcs_volume_drivers, self)