47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
# Copyright (c) 2013 Mirantis 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
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# 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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import pickle # nosec
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import sys
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import traceback
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from oslo_utils import reflection
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def main():
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# NOTE(dmitryme): since we do not read stderr in the main process,
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# we need to flush it somewhere, otherwise both processes might
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# hang because of i/o buffer overflow.
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with open('/dev/null', 'w') as sys.stderr:
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while True:
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result = dict()
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try:
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# TODO(elmiko) these pickle usages should be
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# reinvestigated to determine a more secure manner to
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# deploy remote commands.
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func = pickle.load(sys.stdin) # nosec
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args = pickle.load(sys.stdin) # nosec
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kwargs = pickle.load(sys.stdin) # nosec
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result['output'] = func(*args, **kwargs)
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except BaseException as e:
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cls_name = reflection.get_class_name(e, fully_qualified=False)
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result['exception'] = cls_name + ': ' + str(e)
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result['traceback'] = traceback.format_exc()
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pickle.dump(result, sys.stdout) # nosec
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sys.stdout.flush()
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