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