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2357958e73
Recent testing showed that the pytests are not respecting the log level and format set in conftest.py's configure_logging(). It is using the default log level of WARNING and the default formatter. The issue is that logging.basicConfig() is only effective the first time it is called. The code in lib/python/impala_py_lib/helpers.py does a call to logging.basicConfig() at the global level, and conftest.py imports that file. This renders the call in configure_logging() ineffective. To avoid this type of confusion, logging.basicConfig() should only be called from the main() functions for libraries. This removes the call in lib/python/impala_py_lib (as it is not needed for a library without a main function). It also fixes up various other locations to move the logging.basicConfig() call to the main() function. Testing: - Ran the end to end tests and custom cluster tests - Confirmed the logging format - Added an assert in configure_logging() to test that the INFO log level is applied to the root logger. Change-Id: I5d91b7f910b3606c50bcba4579179a0bc8c20588 Reviewed-on: http://gerrit.cloudera.org:8080/16679 Reviewed-by: Tim Armstrong <tarmstrong@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import fnmatch
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import logging
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import os
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import re
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import subprocess
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LOG = logging.getLogger('impala_lib_python_helpers')
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def exec_local_command(cmd):
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"""
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Executes a command for the local bash shell and return stdout as a string.
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Raise CalledProcessError in case of non-zero return code.
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Args:
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cmd: command as a string
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Return:
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STDOUT
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"""
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proc = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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output, error = proc.communicate()
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retcode = proc.poll()
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if retcode:
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LOG.error("{0} returned status {1}: {2}".format(cmd, retcode, error))
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raise subprocess.CalledProcessError()
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else:
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return output
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def find_all_files(fname_pattern, base_dir=os.getenv('IMPALA_HOME', '.')):
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"""
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General utility to recursively find files matching a certain unix-like file pattern.
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Args:
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fname_pattern: Unix glob
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base_dir: the root directory where searching should start
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Returns:
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A list of full paths relative to the give base_dir
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"""
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file_glob = fnmatch.translate(fname_pattern)
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matching_files = []
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for root, dirs, files in os.walk(base_dir):
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matching_files += [os.path.join(root, f) for f in files if re.match(file_glob, f)]
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return matching_files
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def is_core_dump(file_path):
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"""
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Determine whether given file is a core file. Works on CentOS and Ubuntu.
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Args:
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file_path: full path to a possible core file
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"""
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file_std_out = exec_local_command("file %s" % file_path)
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return "core file" in file_std_out and 'ELF' in file_std_out
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