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# Licensed to the StackStorm, Inc ('StackStorm') under one or more |
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# contributor license agreements. See the NOTICE file distributed with |
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# this work for additional information regarding copyright ownership. |
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# The ASF licenses this file to You under the Apache License, Version 2.0 |
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# (the "License"); you may not use this file except in compliance with |
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# the License. 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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from __future__ import absolute_import |
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import os.path |
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import logging |
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__all__ = [ |
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'reopen_log_files', |
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'set_log_level_for_all_handlers', |
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'set_log_level_for_all_loggers' |
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] |
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LOG = logging.getLogger(__name__) |
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def reopen_log_files(handlers): |
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""" |
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This method iterates through all of the providers handlers looking for the FileHandler types. |
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A lock is acquired, the underlying stream closed, reopened, then the lock is released. |
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This method should be called when logs are to be rotated by an external process. The simplest |
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way to do this is via a signal handler. |
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""" |
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for handler in handlers: |
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if not isinstance(handler, logging.FileHandler): |
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continue |
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LOG.info('Re-opening log file "%s" with mode "%s"\n' % |
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(handler.baseFilename, handler.mode)) |
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try: |
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handler.acquire() |
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handler.stream.close() |
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handler.stream = open(handler.baseFilename, handler.mode) |
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finally: |
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handler.release() |
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def set_log_level_for_all_handlers(logger, level=logging.DEBUG): |
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""" |
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Set a log level for all the handlers on the provided logger. |
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""" |
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logger.setLevel(level) |
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handlers = logger.handlers |
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for handler in handlers: |
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handler.setLevel(level) |
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return logger |
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def set_log_level_for_all_loggers(level=logging.DEBUG): |
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""" |
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Set a log level for all the loggers and handlers to the provided level. |
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""" |
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root_logger = logging.getLogger() |
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loggers = logging.Logger.manager.loggerDict.values() |
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loggers += [root_logger] |
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for logger in loggers: |
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if not isinstance(logger, logging.Logger): |
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continue |
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set_log_level_for_all_handlers(logger=logger) |
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def get_logger_name_for_module(module): |
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""" |
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Retrieve fully qualified logger name for current module (e.g. |
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st2common.cmd.sensormanager) |
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:type: ``str`` |
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""" |
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module_file = module.__file__ |
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base_dir = os.path.dirname(os.path.abspath(module_file)) |
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module_name = os.path.basename(module_file) |
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module_name = module_name.replace('.pyc', '').replace('.py', '') |
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split = base_dir.split(os.path.sep) |
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split = [component for component in split if component] |
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# Find first component which starts with st2 and use that as a starting point |
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start_index = 0 |
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for index, component in enumerate(reversed(split)): |
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if component.startswith('st2'): |
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start_index = ((len(split) - 1) - index) |
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break |
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split = split[start_index:] |
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name = '.'.join(split) + '.' + module_name |
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return name |
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Plexxi /
st2
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