a5d86cc48b
Change-Id: I4a35fe996a1b1343fe5678792aaad12d3397437a Signed-off-by: Doug Hellmann <doug@doughellmann.com>
61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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import munch
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LOG = logging.getLogger(__name__)
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def load(filename, missing_ok=False):
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"Read the file and return the parsed data in a consistent format."
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LOG.info('loading resource list from %s', filename)
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# Ensure the return value has a basic set of keys representing the
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# types of resources we expect to find.
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to_return = munch.Munch(
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servers=[],
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volumes=[],
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images=[],
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keypairs=[],
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)
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try:
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with open(filename, 'r', encoding='utf-8') as fd:
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contents = munch.Munch.fromYAML(fd.read())
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except FileNotFoundError:
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if not missing_ok:
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raise
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else:
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to_return.update(contents)
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# Ensure all entries have consistent sets of keys so the rest of
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# the app doesn't have to check every time it wants to use a
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# value.
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for s in to_return.servers:
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if 'save_state' not in s:
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s['save_state'] = True
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for s in to_return.volumes:
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if 'save_state' not in s:
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s['save_state'] = True
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return to_return
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def save(filename, to_export):
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"Write the resources file."
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with open(filename, 'w', encoding='utf-8') as fd:
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fd.write(to_export.toYAML())
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