72 lines
2.0 KiB
Python
Executable File
72 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2016, Rackspace US, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This could probably be made more generic, since the biggest change per
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# service is the variable mappings
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import sys
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VAR_MAPPINGS = {
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# Add mapped items here
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'test-old': 'test-new'
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}
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def update_variables(old_contents):
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"""Replace all references to old variables.
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This includes comments and references within values for other variables.
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"""
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new_contents = []
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for line in old_contents:
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words = line.split()
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for word in words:
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# Using the whitespace split above, the keys in the yaml file will
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# have a : at the end, so we need to strip that off before
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# replacing
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if word.endswith(':'):
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word = word[:-1]
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if word in VAR_MAPPINGS.keys():
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line = line.replace(word, VAR_MAPPINGS[word])
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new_contents.append(line)
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return new_contents
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def main(filename):
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with open(filename, 'r') as f:
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contents = f.readlines()
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new_contents = update_variables(contents)
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with open(filename, 'w') as f:
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f.write(''.join(new_contents))
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if __name__ == '__main__':
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if len(sys.argv) < 3:
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sys.exit("Filename and flag file reference required.")
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filename = sys.argv[1]
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flag_ref = sys.argv[2]
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main(filename)
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flag_file = '/etc/openstack_deploy.NEWTON/VARS_MIGRATED_%s' % flag_ref
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with open(flag_file, 'w') as f:
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f.write('OpenStack Newton variables migrated.')
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