94 lines
3.0 KiB
Python
Executable File
94 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
|
|
"""Sets environment variables needed to run a chromium unit test."""
|
|
|
|
import os
|
|
import stat
|
|
import subprocess
|
|
import sys
|
|
|
|
# This is hardcoded to be src/ relative to this script.
|
|
ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
|
|
|
|
CHROME_SANDBOX_ENV = 'CHROME_DEVEL_SANDBOX'
|
|
CHROME_SANDBOX_PATH = '/opt/chromium/chrome_sandbox'
|
|
|
|
|
|
def should_enable_sandbox(sandbox_path):
|
|
"""Return a boolean indicating that the current slave is capable of using the
|
|
sandbox and should enable it. This should return True iff the slave is a
|
|
Linux host with the sandbox file present and configured correctly."""
|
|
if not (sys.platform.startswith('linux') and
|
|
os.path.exists(sandbox_path)):
|
|
return False
|
|
sandbox_stat = os.stat(sandbox_path)
|
|
if ((sandbox_stat.st_mode & stat.S_ISUID) and
|
|
(sandbox_stat.st_mode & stat.S_IRUSR) and
|
|
(sandbox_stat.st_mode & stat.S_IXUSR) and
|
|
(sandbox_stat.st_uid == 0)):
|
|
return True
|
|
return False
|
|
|
|
|
|
def enable_sandbox_if_required(env, verbose=False):
|
|
"""Checks enables the sandbox if it is required, otherwise it disables it."""
|
|
chrome_sandbox_path = env.get(CHROME_SANDBOX_ENV, CHROME_SANDBOX_PATH)
|
|
|
|
if should_enable_sandbox(chrome_sandbox_path):
|
|
if verbose:
|
|
print 'Enabling sandbox. Setting environment variable:'
|
|
print ' %s="%s"' % (CHROME_SANDBOX_ENV, chrome_sandbox_path)
|
|
env[CHROME_SANDBOX_ENV] = chrome_sandbox_path
|
|
else:
|
|
if verbose:
|
|
print 'Sandbox not properly installed. Unsetting:'
|
|
print ' %s' % CHROME_SANDBOX_ENV
|
|
# The variable should be removed from the environment, making
|
|
# the variable empty silently disables the sandbox.
|
|
if env.get(CHROME_SANDBOX_ENV):
|
|
env.pop(CHROME_SANDBOX_ENV)
|
|
|
|
|
|
def fix_python_path(cmd):
|
|
"""Returns the fixed command line to call the right python executable."""
|
|
out = cmd[:]
|
|
if out[0] == 'python':
|
|
out[0] = sys.executable
|
|
elif out[0].endswith('.py'):
|
|
out.insert(0, sys.executable)
|
|
return out
|
|
|
|
|
|
def run_executable(cmd, env):
|
|
"""Runs an executable with:
|
|
- environment variable CR_SOURCE_ROOT set to the root directory.
|
|
- environment variable LANGUAGE to en_US.UTF-8.
|
|
- environment variable CHROME_DEVEL_SANDBOX set if need
|
|
- Reuses sys.executable automatically.
|
|
"""
|
|
# Many tests assume a English interface...
|
|
env['LANG'] = 'en_US.UTF-8'
|
|
# Used by base/base_paths_linux.cc as an override. Just make sure the default
|
|
# logic is used.
|
|
env.pop('CR_SOURCE_ROOT', None)
|
|
enable_sandbox_if_required(env)
|
|
# Ensure paths are correctly separated on windows.
|
|
cmd[0] = cmd[0].replace('/', os.path.sep)
|
|
cmd = fix_python_path(cmd)
|
|
try:
|
|
return subprocess.call(cmd, env=env)
|
|
except OSError:
|
|
print >> sys.stderr, 'Failed to start %s' % cmd
|
|
raise
|
|
|
|
|
|
def main():
|
|
return run_executable(sys.argv[1:], os.environ.copy())
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|