71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
# Copyright 2014
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# The Cloudscaling Group, 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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# 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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from ec2api import exception
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class OnCrashCleaner(object):
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def __init__(self):
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self._cleanups = []
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self._first_cleanups = []
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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if exc_type is None:
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return
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self._run_cleanups(self._first_cleanups)
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self._run_cleanups(self._cleanups)
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def addCleanup(self, function, *args, **kwargs):
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self._cleanups.append((function, args, kwargs))
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def addFirstCleanup(self, function, *args, **kwargs):
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self._first_cleanups.append((function, args, kwargs))
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def _run_cleanups(self, cleanups):
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for function, args, kwargs in reversed(cleanups):
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try:
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function(*args, **kwargs)
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except Exception:
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# TODO(ft): log the error
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pass
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def filtered_out(item, filters, filter_map):
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if filters is None:
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return False
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for filter in filters:
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filter_name = filter_map.get(filter['name'])
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if filter_name is None:
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raise exception.InvalidParameterValue(
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value=filter['name'], parameter='filter',
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reason='invalid filter')
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if type(filter_name) is list:
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value_set = item.get(filter_name[0])
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if value_set is not None:
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values = [value[filter_name[1]] for value in value_set]
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else:
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values = [item.get(filter_name)]
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if not values:
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return True
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filter_values = filter['value']
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for filter_value in filter_values:
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if filter_value not in values:
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return True
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return False
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