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1 #!/usr/bin/env python | |
2 # Copyright (c) 2013 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 | |
7 """ Verify that the most recent compile builds are under an appropriate | |
8 threshold. """ | |
9 | |
10 | |
11 from build_step import BuildStep, BuildStepFailure | |
12 from builder_name_schema import BUILDER_ROLE_BUILD | |
13 import config_private | |
14 import json | |
15 import sys | |
16 import urllib2 | |
17 | |
18 | |
19 BUILD_MASTER_URL = 'http://%s:%s' % ( | |
20 config_private.Master.Skia.master_host, | |
21 config_private.Master.Skia.master_port_alt) | |
22 COMPILE_TIME_LIMIT = 10000 # TODO(borenet): Make this something reasonable! | |
23 | |
24 | |
25 def IsBuildFinished(build_info): | |
26 """ Determine whether the given build is finished, based on its start and end | |
27 times. Returns True iff the start and end times are not None and are not zero. | |
28 """ | |
29 return build_info['times'][0] and build_info['times'][1] | |
30 | |
31 | |
32 def GetBuildInfo(builder_name, build_num): | |
33 """ Returns a dictionary containing information about a given build. | |
34 | |
35 builder_name: string; the name of the desired builder. | |
36 build_num: string; the number of the desired build. | |
37 """ | |
38 url = '%s/json/builders/%s/builds/%s' % (BUILD_MASTER_URL, | |
39 builder_name, | |
40 build_num) | |
41 return json.load(urllib2.urlopen(url)) | |
42 | |
43 | |
44 def GetLastFinishedBuildInfo(builder_name, cached_builds): | |
45 """ Returns a dictionary containing information about the last finished build | |
46 for the given builder. | |
47 | |
48 builder_name: string; the name of the desired builder. | |
49 cached_builds: list of strings; candidate build numbers. | |
50 """ | |
51 cached_builds.sort(reverse=True) | |
52 for build_num in cached_builds: | |
53 build_info = GetBuildInfo(builder_name, build_num) | |
54 if IsBuildFinished(build_info): | |
55 return build_info | |
56 return None | |
57 | |
58 | |
59 class CheckCompileTimes(BuildStep): | |
60 def _Run(self): | |
61 # Obtain the list of Compile builders from the master. | |
62 builders = json.load(urllib2.urlopen(BUILD_MASTER_URL + '/json/builders')) | |
63 | |
64 # Figure out which ones are too slow. | |
65 too_slow = [] | |
66 no_builds = [] | |
67 longest_build = None | |
68 for builder_name in builders.keys(): | |
69 if builder_name.startswith(BUILDER_ROLE_BUILD): | |
70 cached_builds = sorted(builders[builder_name]['cachedBuilds']) | |
71 if cached_builds: | |
72 build_info = GetLastFinishedBuildInfo(builder_name, cached_builds) | |
73 if build_info: | |
74 duration = build_info['times'][1] - build_info['times'][0] | |
75 summarized_build_info = {'builder': builder_name, | |
76 'number': build_info['number'], | |
77 'duration': duration} | |
78 if duration > COMPILE_TIME_LIMIT: | |
79 too_slow.append(summarized_build_info) | |
80 if not longest_build or duration > longest_build['duration']: | |
81 longest_build = summarized_build_info | |
82 else: | |
83 no_builds.append(builder_name) | |
84 if longest_build: | |
85 print 'Longest build: %(builder)s #%(number)s: %(duration)ds' % \ | |
86 longest_build | |
87 print '%s/builders/%s/builds/%s' % (BUILD_MASTER_URL, | |
88 longest_build['builder'], | |
89 longest_build['number']) | |
90 print | |
91 if no_builds: | |
92 print 'Warning: No builds found for the following builders:' | |
93 for builder in no_builds: | |
94 print ' %s' % builder | |
95 print | |
96 if too_slow: | |
97 print 'The following builds exceeded the time limit of %ds:' % \ | |
98 COMPILE_TIME_LIMIT | |
99 for summarized_build_info in too_slow: | |
100 print ' %(builder)s #%(number)s: %(duration)ds' % summarized_build_info | |
101 raise BuildStepFailure('Builds exceeded time limit.') | |
102 | |
103 | |
104 | |
105 if '__main__' == __name__: | |
106 sys.exit(BuildStep.RunBuildStep(CheckCompileTimes)) | |
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