1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
# Copyright 2015 gRPC authors.
#
# 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.
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
|
