1 #!/usr/bin/env python 2 # Copyright 2013 the V8 project authors. All rights reserved. 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 11 # disclaimer in the documentation and/or other materials provided 12 # with the distribution. 13 # * Neither the name of Google Inc. nor the names of its 14 # contributors may be used to endorse or promote products derived 15 # from 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 argparse 30 import json 31 import os 32 import re 33 import sys 34 import urllib 35 36 from common_includes import * 37 import push_to_trunk 38 39 PUSH_MESSAGE_RE = re.compile(r".* \(based on bleeding_edge revision r(\d+)\)$") 40 41 class Preparation(Step): 42 MESSAGE = "Preparation." 43 44 def RunStep(self): 45 self.InitialEnvironmentChecks(self.default_cwd) 46 self.CommonPrepare() 47 48 49 class CheckAutoPushSettings(Step): 50 MESSAGE = "Checking settings file." 51 52 def RunStep(self): 53 settings_file = os.path.realpath(self.Config("SETTINGS_LOCATION")) 54 if os.path.exists(settings_file): 55 settings_dict = json.loads(FileToText(settings_file)) 56 if settings_dict.get("enable_auto_roll") is False: 57 self.Die("Push to trunk disabled by auto-roll settings file: %s" 58 % settings_file) 59 60 61 class CheckTreeStatus(Step): 62 MESSAGE = "Checking v8 tree status message." 63 64 def RunStep(self): 65 status_url = "https://v8-status.appspot.com/current?format=json" 66 status_json = self.ReadURL(status_url, wait_plan=[5, 20, 300, 300]) 67 self["tree_message"] = json.loads(status_json)["message"] 68 if re.search(r"nopush|no push", self["tree_message"], flags=re.I): 69 self.Die("Push to trunk disabled by tree state: %s" 70 % self["tree_message"]) 71 72 73 class FetchLKGR(Step): 74 MESSAGE = "Fetching V8 LKGR." 75 76 def RunStep(self): 77 lkgr_url = "https://v8-status.appspot.com/lkgr" 78 # Retry several times since app engine might have issues. 79 self["lkgr"] = self.ReadURL(lkgr_url, wait_plan=[5, 20, 300, 300]) 80 81 82 class CheckLastPush(Step): 83 MESSAGE = "Checking last V8 push to trunk." 84 85 def RunStep(self): 86 last_push = self.FindLastTrunkPush() 87 88 # Retrieve the bleeding edge revision of the last push from the text in 89 # the push commit message. 90 last_push_title = self.GitLog(n=1, format="%s", git_hash=last_push) 91 last_push_be = PUSH_MESSAGE_RE.match(last_push_title).group(1) 92 93 if not last_push_be: # pragma: no cover 94 self.Die("Could not retrieve bleeding edge revision for trunk push %s" 95 % last_push) 96 97 # TODO(machenbach): This metric counts all revisions. It could be 98 # improved by counting only the revisions on bleeding_edge. 99 if int(self["lkgr"]) - int(last_push_be) < 10: # pragma: no cover 100 # This makes sure the script doesn't push twice in a row when the cron 101 # job retries several times. 102 self.Die("Last push too recently: %s" % last_push_be) 103 104 105 class PushToTrunk(Step): 106 MESSAGE = "Pushing to trunk if specified." 107 108 def RunStep(self): 109 print "Pushing lkgr %s to trunk." % self["lkgr"] 110 111 # TODO(machenbach): Update the script before calling it. 112 if self._options.push: 113 self._side_effect_handler.Call( 114 push_to_trunk.PushToTrunk().Run, 115 ["--author", self._options.author, 116 "--reviewer", self._options.reviewer, 117 "--revision", self["lkgr"], 118 "--force"]) 119 120 121 class AutoPush(ScriptsBase): 122 def _PrepareOptions(self, parser): 123 parser.add_argument("-p", "--push", 124 help="Push to trunk. Dry run if unspecified.", 125 default=False, action="store_true") 126 127 def _ProcessOptions(self, options): 128 if not options.author or not options.reviewer: # pragma: no cover 129 print "You need to specify author and reviewer." 130 return False 131 options.requires_editor = False 132 return True 133 134 def _Config(self): 135 return { 136 "PERSISTFILE_BASENAME": "/tmp/v8-auto-push-tempfile", 137 "SETTINGS_LOCATION": "~/.auto-roll", 138 } 139 140 def _Steps(self): 141 return [ 142 Preparation, 143 CheckAutoPushSettings, 144 CheckTreeStatus, 145 FetchLKGR, 146 CheckLastPush, 147 PushToTrunk, 148 ] 149 150 151 if __name__ == "__main__": # pragma: no cover 152 sys.exit(AutoPush().Run()) 153
