5cb0134c84
Output a warning for parameters which look unused, this should help developers clean up the template a bit, and eventually could maybe be developed further into something we can use for gating. Change-Id: Ide4fbe3c85854cbddee44801d39ae73003d63bb8
75 lines
2.3 KiB
Python
Executable File
75 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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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 os
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import sys
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import traceback
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import yaml
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def exit_usage():
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print('Usage %s <yaml file or directory>' % sys.argv[0])
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sys.exit(1)
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def validate(filename):
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print('Validating %s' % filename)
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try:
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tpl = yaml.load(open(filename).read())
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except Exception:
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print(traceback.format_exc())
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return 1
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# yaml is OK, now walk the parameters and output a warning for unused ones
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for p in tpl.get('parameters', {}):
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str_p = '\'%s\'' % p
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in_resources = str_p in str(tpl.get('resources', {}))
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in_outputs = str_p in str(tpl.get('outputs', {}))
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if not in_resources and not in_outputs:
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print('Warning: parameter %s in template %s appears to be unused'
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% (p, filename))
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return 0
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if len(sys.argv) < 2:
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exit_usage()
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path_args = sys.argv[1:]
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exit_val = 0
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failed_files = []
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for base_path in path_args:
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if os.path.isdir(base_path):
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for subdir, dirs, files in os.walk(base_path):
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for f in files:
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if f.endswith('.yaml'):
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file_path = os.path.join(subdir, f)
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failed = validate(file_path)
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if failed:
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failed_files.append(file_path)
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exit_val |= failed
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elif os.path.isfile(base_path) and base_path.endswith('.yaml'):
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failed = validate(base_path)
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if failed:
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failed_files.append(base_path)
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exit_val |= failed
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else:
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print('Unexpected argument %s' % base_path)
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exit_usage()
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if failed_files:
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print('Validation failed on:')
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for f in failed_files:
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print(f)
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else:
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print('Validation successful!')
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sys.exit(exit_val)
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