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# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import urllib
import jobset
import logging
import os
import socket
import subprocess
import sys
import tempfile
import time
# must be synchronized with test/core/utils/port_server_client.h
_PORT_SERVER_PORT = 32766
def start_port_server():
# check if a compatible port server is running
# if incompatible (version mismatch) ==> start a new one
# if not running ==> start a new one
# otherwise, leave it up
try:
version = int(
urllib.urlopen(
'http://localhost:%d/version_number' %
_PORT_SERVER_PORT).read())
logging.info('detected port server running version %d', version)
running = True
except Exception as e:
logging.exception('failed to detect port server')
running = False
if running:
current_version = int(
subprocess.check_output([
sys.executable, os.path.abspath(
'tools/run_tests/python_utils/port_server.py'),
'dump_version'
]))
logging.info('my port server is version %d', current_version)
running = (version >= current_version)
if not running:
logging.info('port_server version mismatch: killing the old one')
urllib.urlopen('http://localhost:%d/quitquitquit' %
_PORT_SERVER_PORT).read()
time.sleep(1)
if not running:
fd, logfile = tempfile.mkstemp()
os.close(fd)
logging.info('starting port_server, with log file %s', logfile)
args = [
sys.executable,
os.path.abspath('tools/run_tests/python_utils/port_server.py'),
'-p', '%d' % _PORT_SERVER_PORT, '-l', logfile
]
env = dict(os.environ)
env['BUILD_ID'] = 'pleaseDontKillMeJenkins'
if jobset.platform_string() == 'windows':
# Working directory of port server needs to be outside of Jenkins
# workspace to prevent file lock issues.
tempdir = tempfile.mkdtemp()
port_server = subprocess.Popen(
args,
env=env,
cwd=tempdir,
creationflags=0x00000008, # detached process
close_fds=True)
else:
port_server = subprocess.Popen(
args, env=env, preexec_fn=os.setsid, close_fds=True)
time.sleep(1)
# ensure port server is up
waits = 0
while True:
if waits > 10:
logging.warning(
'killing port server due to excessive start up waits')
port_server.kill()
if port_server.poll() is not None:
logging.error('port_server failed to start')
# try one final time: maybe another build managed to start one
time.sleep(1)
try:
urllib.urlopen(
'http://localhost:%d/get' % _PORT_SERVER_PORT).read()
logging.info(
'last ditch attempt to contact port server succeeded')
break
except:
logging.exception(
'final attempt to contact port server failed')
port_log = open(logfile, 'r').read()
print port_log
sys.exit(1)
try:
port_server_url = 'http://localhost:%d/get' % _PORT_SERVER_PORT
urllib.urlopen(port_server_url).read()
logging.info('port server is up and ready')
break
except socket.timeout:
logging.exception('while waiting for port_server')
time.sleep(1)
waits += 1
except IOError:
logging.exception('while waiting for port_server')
time.sleep(1)
waits += 1
except:
logging.exception('error while contacting port server at "%s".'
'Will try killing it.', port_server_url)
port_server.kill()
raise
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