dc97cb71e8
Fix documentation build errors and RST formatting Change-Id: Id93153400c5b069dd9d772381558c7085f64c207
88 lines
2.6 KiB
Python
Executable File
88 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# This is an output filter to filter and timestamp the logs from Grenade and
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# DevStack. Largely our awk filters got beyond the complexity level which were
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# sustainable, so this provides us much more control in a single place.
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#
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# The overhead of running python should be less than execing `date` a million
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# times during a run.
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import argparse
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import datetime
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import re
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import sys
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IGNORE_LINES = re.compile('(set \+o|xtrace)')
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HAS_DATE = re.compile('^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}.\d{3} \|')
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def get_options():
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parser = argparse.ArgumentParser(
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description='Filter output by DevStack and friends')
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parser.add_argument('-o', '--outfile',
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help='Output file for content',
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default=None)
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parser.add_argument('-v', '--verbose', action='store_true',
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default=False)
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return parser.parse_args()
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def skip_line(line):
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"""Should we skip this line."""
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return IGNORE_LINES.search(line) is not None
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def main():
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opts = get_options()
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outfile = None
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if opts.outfile:
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outfile = open(opts.outfile, 'a', 0)
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# Otherwise fileinput reprocess args as files
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sys.argv = []
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while True:
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line = sys.stdin.readline()
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if not line:
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return 0
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# put skip lines here
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if skip_line(line):
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continue
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# This prevents us from nesting date lines, because
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# we'd like to pull this in directly in Grenade and not double
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# up on DevStack lines
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if HAS_DATE.search(line) is None:
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now = datetime.datetime.utcnow()
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line = ("%s | %s" % (
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now.strftime("%Y-%m-%d %H:%M:%S.%f")[:-3],
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line))
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if opts.verbose:
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sys.stdout.write(line)
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sys.stdout.flush()
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if outfile:
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outfile.write(line)
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outfile.flush()
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if __name__ == '__main__':
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try:
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sys.exit(main())
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except KeyboardInterrupt:
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sys.exit(1)
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