1 # Copyright (C) 2013 Google Inc. All rights reserved. 2 # 3 # Redistribution and use in source and binary forms, with or without 4 # modification, are permitted provided that the following conditions are 5 # met: 6 # 7 # * Redistributions of source code must retain the above copyright 8 # notice, this list of conditions and the following disclaimer. 9 # * Redistributions in binary form must reproduce the above 10 # copyright notice, this list of conditions and the following disclaimer 11 # in the documentation and/or other materials provided with the 12 # distribution. 13 # * Neither the name of Google Inc. nor the names of its 14 # contributors may be used to endorse or promote products derived from 15 # this software without specific prior written permission. 16 # 17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 import datetime 30 import json 31 import logging 32 import sys 33 import traceback 34 import urllib2 35 import webapp2 36 37 from google.appengine.api import memcache 38 39 MASTERS = [ 40 {'name': 'ChromiumWin', 'url': 'http://build.chromium.org/p/chromium.win', 'groups': ['@ToT Chromium']}, 41 {'name': 'ChromiumMac', 'url': 'http://build.chromium.org/p/chromium.mac', 'groups': ['@ToT Chromium']}, 42 {'name': 'ChromiumLinux', 'url': 'http://build.chromium.org/p/chromium.linux', 'groups': ['@ToT Chromium']}, 43 {'name': 'ChromiumChromiumOS', 'url': 'http://build.chromium.org/p/chromium.chromiumos', 'groups': ['@ToT ChromeOS']}, 44 {'name': 'ChromiumGPU', 'url': 'http://build.chromium.org/p/chromium.gpu', 'groups': ['@ToT Chromium']}, 45 {'name': 'ChromiumGPUFYI', 'url': 'http://build.chromium.org/p/chromium.gpu.fyi', 'groups': ['@ToT Chromium FYI']}, 46 {'name': 'ChromiumPerfAv', 'url': 'http://build.chromium.org/p/chromium.perf_av', 'groups': ['@ToT Chromium']}, 47 {'name': 'ChromiumWebkit', 'url': 'http://build.chromium.org/p/chromium.webkit', 'groups': ['@ToT Chromium', '@ToT Blink']}, 48 {'name': 'ChromiumFYI', 'url': 'http://build.chromium.org/p/chromium.fyi', 'groups': ['@ToT Chromium FYI']}, 49 {'name': 'V8', 'url': 'http://build.chromium.org/p/client.v8', 'groups': ['@ToT V8']}, 50 ] 51 52 53 def master_json_url(master_url): 54 return master_url + '/json/builders' 55 56 57 def builder_json_url(master_url, builder): 58 return master_json_url(master_url) + '/' + urllib2.quote(builder) 59 60 61 def cached_build_json_url(master_url, builder, build_number): 62 return builder_json_url(master_url, builder) + '/builds/' + str(build_number) 63 64 65 def fetch_json(url): 66 logging.debug('Fetching %s' % url) 67 fetched_json = {} 68 try: 69 resp = urllib2.urlopen(url) 70 except: 71 exc_info = sys.exc_info() 72 logging.warning('Error while fetching %s: %s', url, exc_info[1]) 73 return fetched_json 74 75 try: 76 fetched_json = json.load(resp) 77 except: 78 exc_info = sys.exc_info() 79 logging.warning('Unable to parse JSON response from %s: %s', url, exc_info[1]) 80 81 return fetched_json 82 83 84 def get_latest_build(build_data): 85 cached_builds = [] 86 if 'cachedBuilds' in build_data: 87 cached_builds = build_data['cachedBuilds'] 88 89 current_builds = build_data['currentBuilds'] 90 91 latest_cached_builds = set(cached_builds) - set(current_builds) 92 if len(latest_cached_builds) != 0: 93 latest_build = list(latest_cached_builds)[-1] 94 elif len(current_builds) != 0: 95 latest_build = current_builds[0] 96 else: 97 basedir = build_data['basedir'] if 'basedir' in build_data else 'current builder' 98 logging.info('No cached or current builds for %s', basedir) 99 return None 100 101 return latest_build 102 103 104 def dump_json(data): 105 return json.dumps(data, separators=(',', ':'), sort_keys=True) 106 107 108 def fetch_buildbot_data(masters): 109 start_time = datetime.datetime.now() 110 master_data = masters[:] 111 for master in master_data: 112 master_url = master['url'] 113 tests_object = master.setdefault('tests', {}) 114 master['tests'] = tests_object 115 116 for builder in fetch_json(master_json_url(master_url)): 117 build_data = fetch_json(builder_json_url(master_url, builder)) 118 119 latest_build = get_latest_build(build_data) 120 if not latest_build: 121 logging.info('Skipping builder %s because it lacked cached or current builds.', builder) 122 continue 123 124 build = fetch_json(cached_build_json_url(master_url, builder, latest_build)) 125 for step in build['steps']: 126 step_name = step['name'] 127 is_test_step = 'test' in step_name and 'archive' not in step_name and 'Run tests' not in step_name 128 if not is_test_step: 129 continue 130 131 if step_name == 'webkit_tests': 132 step_name = 'layout-tests' 133 134 tests_object.setdefault(step_name, {'builders': []}) 135 tests_object[step_name]['builders'].append(builder) 136 137 for builders in tests_object.values(): 138 builders['builders'].sort() 139 140 output_data = {'masters': master_data} 141 142 delta = datetime.datetime.now() - start_time 143 144 logging.info('Fetched buildbot data in %s seconds.', delta.seconds) 145 146 return dump_json(output_data) 147 148 149 class UpdateBuilders(webapp2.RequestHandler): 150 """Fetch and update the cached buildbot data.""" 151 def get(self): 152 buildbot_data = fetch_buildbot_data(MASTERS) 153 memcache.set('buildbot_data', buildbot_data) 154 155 156 class GetBuilders(webapp2.RequestHandler): 157 """Fetch a list of masters mapped to their respective builders.""" 158 def get(self): 159 callback = self.request.get('callback') 160 161 buildbot_data = memcache.get('buildbot_data') 162 163 if not buildbot_data: 164 logging.warning('No buildbot data in memcache. If this message repeats, something is probably wrong with memcache.') 165 buildbot_data = fetch_buildbot_data(MASTERS) 166 try: 167 memcache.set('buildbot_data', buildbot_data) 168 except ValueError, err: 169 logging.error(str(err)) 170 171 if callback: 172 buildbot_data = callback + '(' + buildbot_data + ');' 173 174 self.response.out.write(buildbot_data) 175
