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ansible-test: set ulimit to enforce consistent test environment (#46652)

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* ansible-test: set ulimit to enforce consistent test environment

* fixed santiy issue
This commit is contained in:
Jordan Borean 2018-10-09 12:18:49 +10:00 committed by GitHub
parent a1f80a07dc
commit 7b774117ab
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2 changed files with 24 additions and 0 deletions
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12
test/runner/injector/injector.py
View file

@ -31,6 +31,7 @@ import sys
import pipes
import logging
import getpass
import resource
logger = logging.getLogger('injector') # pylint: disable=locally-disabled, invalid-name
# pylint: disable=locally-disabled, invalid-name
@ -89,6 +90,17 @@ def main():
try:
logger.debug('Self: %s', __file__)
# to achieve a consistent nofile ulimit, set to 16k here, this can affect performance in subprocess.Popen when
# being called with close_fds=True on Python (8x the time on some environments)
nofile_limit = 16 * 1024
current_limit = resource.getrlimit(resource.RLIMIT_NOFILE)
new_limit = (nofile_limit, nofile_limit)
if current_limit > new_limit:
logger.debug('RLIMIT_NOFILE: %s -> %s', current_limit, new_limit)
resource.setrlimit(resource.RLIMIT_NOFILE, (nofile_limit, nofile_limit))
else:
logger.debug('RLIMIT_NOFILE: %s', current_limit)
config_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'injector.json')
try:

12
test/runner/lib/cli.py
View file

@ -4,6 +4,7 @@ from __future__ import absolute_import, print_function
import errno
import os
import resource
import sys
from lib.util import (
@ -84,6 +85,17 @@ def main():
display.info_stderr = (isinstance(config, SanityConfig) and config.lint) or (isinstance(config, IntegrationConfig) and config.list_targets)
check_startup()
# to achieve a consistent nofile ulimit, set to 16k here, this can affect performance in subprocess.Popen when
# being called with close_fds=True on Python (8x the time on some environments)
nofile_limit = 16 * 1024
current_limit = resource.getrlimit(resource.RLIMIT_NOFILE)
new_limit = (nofile_limit, nofile_limit)
if current_limit > new_limit:
display.info('RLIMIT_NOFILE: %s -> %s' % (current_limit, new_limit), verbosity=2)
resource.setrlimit(resource.RLIMIT_NOFILE, (nofile_limit, nofile_limit))
else:
display.info('RLIMIT_NOFILE: %s' % (current_limit, ), verbosity=2)
try:
args.func(config)
except Delegate as ex: