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#!/usr/bin/env python
# Copyright 2013 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import argparse
import json
import os
import re
import sys
import urllib
from common_includes import *
import push_to_trunk
SETTINGS_LOCATION = "SETTINGS_LOCATION"
CONFIG = {
PERSISTFILE_BASENAME: "/tmp/v8-auto-roll-tempfile",
DOT_GIT_LOCATION: ".git",
SETTINGS_LOCATION: "~/.auto-roll",
}
PUSH_MESSAGE_RE = re.compile(r".* \(based on bleeding_edge revision r(\d+)\)$")
class Preparation(Step):
MESSAGE = "Preparation."
def RunStep(self):
self.InitialEnvironmentChecks()
self.CommonPrepare()
class CheckAutoPushSettings(Step):
MESSAGE = "Checking settings file."
def RunStep(self):
settings_file = os.path.realpath(self.Config(SETTINGS_LOCATION))
if os.path.exists(settings_file):
settings_dict = json.loads(FileToText(settings_file))
if settings_dict.get("enable_auto_roll") is False:
self.Die("Push to trunk disabled by auto-roll settings file: %s"
% settings_file)
class CheckTreeStatus(Step):
MESSAGE = "Checking v8 tree status message."
def RunStep(self):
status_url = "https://v8-status.appspot.com/current?format=json"
status_json = self.ReadURL(status_url, wait_plan=[5, 20, 300, 300])
self["tree_message"] = json.loads(status_json)["message"]
if re.search(r"nopush|no push", self["tree_message"], flags=re.I):
self.Die("Push to trunk disabled by tree state: %s"
% self["tree_message"])
class FetchLKGR(Step):
MESSAGE = "Fetching V8 LKGR."
def RunStep(self):
lkgr_url = "https://v8-status.appspot.com/lkgr"
# Retry several times since app engine might have issues.
self["lkgr"] = self.ReadURL(lkgr_url, wait_plan=[5, 20, 300, 300])
class CheckLastPush(Step):
MESSAGE = "Checking last V8 push to trunk."
def RunStep(self):
last_push = self.FindLastTrunkPush()
# Retrieve the bleeding edge revision of the last push from the text in
# the push commit message.
last_push_title = self.GitLog(n=1, format="%s", git_hash=last_push)
last_push_be = PUSH_MESSAGE_RE.match(last_push_title).group(1)
if not last_push_be: # pragma: no cover
self.Die("Could not retrieve bleeding edge revision for trunk push %s"
% last_push)
# TODO(machenbach): This metric counts all revisions. It could be
# improved by counting only the revisions on bleeding_edge.
if int(self["lkgr"]) - int(last_push_be) < 10: # pragma: no cover
# This makes sure the script doesn't push twice in a row when the cron
# job retries several times.
self.Die("Last push too recently: %s" % last_push_be)
class PushToTrunk(Step):
MESSAGE = "Pushing to trunk if specified."
def RunStep(self):
print "Pushing lkgr %s to trunk." % self["lkgr"]
# TODO(machenbach): Update the script before calling it.
if self._options.push:
P = push_to_trunk.PushToTrunk
self._side_effect_handler.Call(
P(push_to_trunk.CONFIG, self._side_effect_handler).Run,
["--author", self._options.author,
"--reviewer", self._options.reviewer,
"--revision", self["lkgr"],
"--force"])
class AutoPush(ScriptsBase):
def _PrepareOptions(self, parser):
parser.add_argument("-p", "--push",
help="Push to trunk. Dry run if unspecified.",
default=False, action="store_true")
def _ProcessOptions(self, options):
if not options.author or not options.reviewer: # pragma: no cover
print "You need to specify author and reviewer."
return False
options.requires_editor = False
return True
def _Steps(self):
return [
Preparation,
CheckAutoPushSettings,
CheckTreeStatus,
FetchLKGR,
CheckLastPush,
PushToTrunk,
]
if __name__ == "__main__": # pragma: no cover
sys.exit(AutoPush(CONFIG).Run())