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 29import argparse 30import json 31import os 32import re 33import sys 34import urllib 35 36from common_includes import * 37import push_to_trunk 38 39PUSH_MESSAGE_RE = re.compile(r".* \(based on bleeding_edge revision r(\d+)\)$") 40 41class Preparation(Step): 42 MESSAGE = "Preparation." 43 44 def RunStep(self): 45 self.InitialEnvironmentChecks(self.default_cwd) 46 self.CommonPrepare() 47 48 49class 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 61class 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 73class 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 82class 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 105class 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 121class 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 151if __name__ == "__main__": # pragma: no cover 152 sys.exit(AutoPush().Run()) 153