2 # Licensed under the Apache License, Version 2.0 (the "License"); you may
3 # not use this file except in compliance with the License. You may obtain
4 # a copy of the License at
6 # http://www.apache.org/licenses/LICENSE-2.0
8 # Unless required by applicable law or agreed to in writing, software
9 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
10 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
11 # License for the specific language governing permissions and limitations
21 print('Usage %s <yaml file or directory>' % sys.argv[0])
24 def validate(filename):
25 print('Validating %s' % filename)
27 tpl = yaml.load(open(filename).read())
29 print(traceback.format_exc())
31 # yaml is OK, now walk the parameters and output a warning for unused ones
32 for p in tpl.get('parameters', {}):
34 in_resources = str_p in str(tpl.get('resources', {}))
35 in_outputs = str_p in str(tpl.get('outputs', {}))
36 if not in_resources and not in_outputs:
37 print('Warning: parameter %s in template %s appears to be unused'
45 path_args = sys.argv[1:]
49 for base_path in path_args:
50 if os.path.isdir(base_path):
51 for subdir, dirs, files in os.walk(base_path):
53 if f.endswith('.yaml'):
54 file_path = os.path.join(subdir, f)
55 failed = validate(file_path)
57 failed_files.append(file_path)
59 elif os.path.isfile(base_path) and base_path.endswith('.yaml'):
60 failed = validate(base_path)
62 failed_files.append(base_path)
65 print('Unexpected argument %s' % base_path)
69 print('Validation failed on:')
70 for f in failed_files:
73 print('Validation successful!')