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 SETTINGS_LOCATION = "SETTINGS_LOCATION" 40 41 CONFIG = { 42 PERSISTFILE_BASENAME: "/tmp/v8-auto-push-tempfile", 43 DOT_GIT_LOCATION: ".git", 44 SETTINGS_LOCATION: "~/.auto-roll", 45 } 46 47 PUSH_MESSAGE_RE = re.compile(r".* \(based on bleeding_edge revision r(\d+)\)$") 48 49 50 class Preparation(Step): 51 MESSAGE = "Preparation." 52 53 def RunStep(self): 54 self.InitialEnvironmentChecks() 55 self.CommonPrepare() 56 57 58 class CheckAutoPushSettings(Step): 59 MESSAGE = "Checking settings file." 60 61 def RunStep(self): 62 settings_file = os.path.realpath(self.Config(SETTINGS_LOCATION)) 63 if os.path.exists(settings_file): 64 settings_dict = json.loads(FileToText(settings_file)) 65 if settings_dict.get("enable_auto_roll") is False: 66 self.Die("Push to trunk disabled by auto-roll settings file: %s" 67 % settings_file) 68 69 70 class CheckTreeStatus(Step): 71 MESSAGE = "Checking v8 tree status message." 72 73 def RunStep(self): 74 status_url = "https://v8-status.appspot.com/current?format=json" 75 status_json = self.ReadURL(status_url, wait_plan=[5, 20, 300, 300]) 76 self["tree_message"] = json.loads(status_json)["message"] 77 if re.search(r"nopush|no push", self["tree_message"], flags=re.I): 78 self.Die("Push to trunk disabled by tree state: %s" 79 % self["tree_message"]) 80 81 82 class FetchLKGR(Step): 83 MESSAGE = "Fetching V8 LKGR." 84 85 def RunStep(self): 86 lkgr_url = "https://v8-status.appspot.com/lkgr" 87 # Retry several times since app engine might have issues. 88 self["lkgr"] = self.ReadURL(lkgr_url, wait_plan=[5, 20, 300, 300]) 89 90 91 class CheckLastPush(Step): 92 MESSAGE = "Checking last V8 push to trunk." 93 94 def RunStep(self): 95 last_push = self.FindLastTrunkPush() 96 97 # Retrieve the bleeding edge revision of the last push from the text in 98 # the push commit message. 99 last_push_title = self.GitLog(n=1, format="%s", git_hash=last_push) 100 last_push_be = PUSH_MESSAGE_RE.match(last_push_title).group(1) 101 102 if not last_push_be: # pragma: no cover 103 self.Die("Could not retrieve bleeding edge revision for trunk push %s" 104 % last_push) 105 106 # TODO(machenbach): This metric counts all revisions. It could be 107 # improved by counting only the revisions on bleeding_edge. 108 if int(self["lkgr"]) - int(last_push_be) < 10: # pragma: no cover 109 # This makes sure the script doesn't push twice in a row when the cron 110 # job retries several times. 111 self.Die("Last push too recently: %s" % last_push_be) 112 113 114 class PushToTrunk(Step): 115 MESSAGE = "Pushing to trunk if specified." 116 117 def RunStep(self): 118 print "Pushing lkgr %s to trunk." % self["lkgr"] 119 120 # TODO(machenbach): Update the script before calling it. 121 if self._options.push: 122 P = push_to_trunk.PushToTrunk 123 self._side_effect_handler.Call( 124 P(push_to_trunk.CONFIG, self._side_effect_handler).Run, 125 ["--author", self._options.author, 126 "--reviewer", self._options.reviewer, 127 "--revision", self["lkgr"], 128 "--force"]) 129 130 131 class AutoPush(ScriptsBase): 132 def _PrepareOptions(self, parser): 133 parser.add_argument("-p", "--push", 134 help="Push to trunk. Dry run if unspecified.", 135 default=False, action="store_true") 136 137 def _ProcessOptions(self, options): 138 if not options.author or not options.reviewer: # pragma: no cover 139 print "You need to specify author and reviewer." 140 return False 141 options.requires_editor = False 142 return True 143 144 def _Steps(self): 145 return [ 146 Preparation, 147 CheckAutoPushSettings, 148 CheckTreeStatus, 149 FetchLKGR, 150 CheckLastPush, 151 PushToTrunk, 152 ] 153 154 155 if __name__ == "__main__": # pragma: no cover 156 sys.exit(AutoPush(CONFIG).Run()) 157