name : DataSourceNone.py # Copyright (C) 2012 Yahoo! Inc. # # Author: Joshua Harlow <harlowja@yahoo-inc.com> # # This file is part of cloud-init. See LICENSE file for license information. from cloudinit import sources class DataSourceNone(sources.DataSource): dsname = "None" def __init__(self, sys_cfg, distro, paths, ud_proc=None): sources.DataSource.__init__(self, sys_cfg, distro, paths, ud_proc) self.metadata = {} self.userdata_raw = "" def _get_data(self): # If the datasource config has any provided 'fallback' # userdata or metadata, use it... if "userdata_raw" in self.ds_cfg: self.userdata_raw = self.ds_cfg["userdata_raw"] if "metadata" in self.ds_cfg: self.metadata = self.ds_cfg["metadata"] return True def _get_subplatform(self): """Return the subplatform metadata source details.""" return "config" def get_instance_id(self): return "iid-datasource-none" @property def is_disconnected(self): return True # Used to match classes to dependencies datasources = [ (DataSourceNone, (sources.DEP_FILESYSTEM, sources.DEP_NETWORK)), (DataSourceNone, []), ] # Return a list of data sources that match this set of dependencies def get_datasource_list(depends): return sources.list_from_depends(depends, datasources)