39a66befd8
add in the ability to use any fallback userdata or metadata found in the datasource config (if provided).
64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2012 Yahoo! Inc.
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#
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# Author: Joshua Harlow <harlowja@yahoo-inc.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from cloudinit import log as logging
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from cloudinit import sources
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from cloudinit import util
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LOG = logging.getLogger(__name__)
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class DataSourceNone(sources.DataSource):
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def __init__(self, sys_cfg, distro, paths, ud_proc=None):
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sources.DataSource.__init__(self, sys_cfg, distro, paths, ud_proc)
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self.userdata = {}
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self.metadata = {}
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self.userdata_raw = ''
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def get_data(self):
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# If the datasource config has any provided 'fallback'
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# userdata or metadata, use it...
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if 'userdata' in self.ds_cfg:
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self.userdata = self.ds_cfg['userdata']
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self.userdata_raw = util.yaml_dumps(self.userdata)
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if 'metadata' in self.ds_cfg:
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self.metadata = self.ds_cfg['metadata']
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return True
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def get_instance_id(self):
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return 'iid-datasource-none'
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def __str__(self):
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return util.obj_name(self)
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@property
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def is_disconnected(self):
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return True
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# Used to match classes to dependencies
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datasources = [
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(DataSourceNone, (sources.DEP_FILESYSTEM, sources.DEP_NETWORK)),
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(DataSourceNone, []),
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]
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# Return a list of data sources that match this set of dependencies
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def get_datasource_list(depends):
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return sources.list_from_depends(depends, datasources)
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