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# 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"
# 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)