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# vi: ts=4 expandtab
#
# Copyright (C) 2012 Yahoo! Inc.
#
# Author: Joshua Harlow <harlowja@yahoo-inc.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from cloudinit import log as logging
from cloudinit import sources
from cloudinit import util
LOG = logging.getLogger(__name__)
class DataSourceNone(sources.DataSource):
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_instance_id(self):
return 'iid-datasource-none'
def __str__(self):
return util.obj_name(self)
@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)
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