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1 #!/usr/bin/env python | |
2 # Copyright 2016 The Chromium Authors. All rights reserved. | |
3 # Use of this source code is governed by a BSD-style license that can be | |
4 # found in the LICENSE file. | |
5 | |
6 """Wrapper for adding logdog streaming support to swarming tasks.""" | |
7 | |
8 import argparse | |
9 import logging | |
10 import os | |
11 import signal | |
12 import subprocess | |
13 import sys | |
14 import urllib | |
15 | |
16 | |
17 def CommandParser(): | |
18 # Parses the command line arguments being passed in | |
19 parser = argparse.ArgumentParser() | |
20 parser.add_argument('--logdog-bin-cmd', required=True, | |
21 help='Command for running logdog butler binary') | |
22 parser.add_argument('--project', required=True, | |
23 help='Name of logdog project') | |
24 parser.add_argument('--logdog-server', | |
25 default='services-dot-luci-logdog.appspot.com', | |
26 help='URL of logdog server, https:// is assumed.') | |
27 parser.add_argument('--service-account-json', required=True, | |
28 help='Location of authentication json') | |
29 parser.add_argument('--prefix', required=True, | |
30 help='Prefix to be used for logdog stream') | |
31 parser.add_argument('--source', required=True, | |
32 help='Location of file for logdog to stream') | |
33 parser.add_argument('--name', required=True, | |
34 help='Name to be used for logdog stream') | |
35 return parser | |
36 | |
37 | |
38 def CreateUrl(server, project, prefix, name): | |
39 stream_name = '%s/%s/+/%s' % (project, prefix, name) | |
40 return 'https://%s/v/?s=%s' % (server, urllib.quote_plus(stream_name)) | |
41 | |
42 | |
43 def CreateSignalForwarder(proc): | |
44 def handler(signum, _frame): | |
45 logging.error('Forwarding signal %s to test process', str(signum)) | |
46 proc.send_signal(signum) | |
47 | |
48 return handler | |
49 | |
50 | |
51 def main(): | |
52 parser = CommandParser() | |
53 args, test_cmd = parser.parse_known_args(sys.argv[1:]) | |
54 logging.basicConfig(level=logging.INFO) | |
55 if not test_cmd: | |
56 parser.error('Must specify command to run after the logdog flags') | |
57 test_proc = subprocess.Popen(test_cmd) | |
58 original_sigterm_handler = signal.signal( | |
59 signal.SIGTERM, CreateSignalForwarder(test_proc)) | |
60 try: | |
61 result = test_proc.wait() | |
62 finally: | |
63 signal.signal(signal.SIGTERM, original_sigterm_handler) | |
64 if '${SWARMING_TASK_ID}' in args.prefix: | |
65 args.prefix = args.prefix.replace('${SWARMING_TASK_ID}', | |
66 os.environ.get('SWARMING_TASK_ID')) | |
67 url = CreateUrl('luci-logdog.appspot.com', args.project, args.prefix, | |
68 args.name) | |
69 logdog_cmd = [args.logdog_bin_cmd, '-project', args.project, | |
70 '-output', 'logdog,host=%s' % args.logdog_server, | |
71 '-prefix', args.prefix, | |
72 '-service-account-json', args.service_account_json, | |
73 'stream', '-source', args.source, | |
74 '-stream', '-name=%s' % args.name] | |
75 | |
76 if not os.path.exists(args.logdog_bin_cmd): | |
77 logging.error( | |
78 'Logdog binary %s unavailable. Unable to upload logcats.', | |
79 args.logdog_bin_cmd) | |
80 elif not os.path.exists(args.source): | |
81 logging.error( | |
82 'Logcat sources not found at %s. Unable to upload logcats.', | |
83 args.source) | |
84 else: | |
85 subprocess.call(logdog_cmd) | |
86 logging.info('Logcats are located at: %s', url) | |
87 return result | |
88 | |
89 | |
90 if __name__ == '__main__': | |
91 sys.exit(main()) | |
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