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Add initial auto-roll script.

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To be called with a cron job.

TEST=tools/push-to-trunk/auto_roll.py

TODO: Add a revision filter to allow "MIPS" related changes to take over the lkgr.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/70373002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17833 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
machenbach@chromium.org 2013-11-18 14:10:47 +00:00
parent f5c632b5e1
commit 775201dbd1
4 changed files with 156 additions and 24 deletions
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119
tools/push-to-trunk/auto_roll.py Executable file
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@ -0,0 +1,119 @@
#!/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 optparse
import re
import sys
import urllib2
from common_includes import *
CONFIG = {
PERSISTFILE_BASENAME: "/tmp/v8-auto-roll-tempfile",
DOT_GIT_LOCATION: ".git",
}
class Preparation(Step):
def __init__(self):
Step.__init__(self, "Preparation.")
def RunStep(self):
self.InitialEnvironmentChecks()
self.CommonPrepare()
class FetchLatestRevision(Step):
def __init__(self):
Step.__init__(self, "Fetching latest V8 revision.")
def RunStep(self):
log = self.Git("svn log -1 --oneline").strip()
match = re.match(r"^r(\d+) ", log)
if not match:
self.Die("Could not extract current svn revision from log.")
self.Persist("latest", match.group(1))
class FetchLKGR(Step):
def __init__(self):
Step.__init__(self, "Fetching V8 LKGR.")
def RunStep(self):
lkgr_url = "https://v8-status.appspot.com/lkgr"
try:
# pylint: disable=E1121
url_fh = urllib2.urlopen(lkgr_url, None, 60)
except urllib2.URLError:
self.Die("URLException while fetching %s" % lkgr_url)
try:
self.Persist("lkgr", url_fh.read())
finally:
url_fh.close()
class PushToTrunk(Step):
def __init__(self):
Step.__init__(self, "Pushing to trunk if possible.")
def RunStep(self):
self.RestoreIfUnset("latest")
self.RestoreIfUnset("lkgr")
latest = int(self._state["latest"])
lkgr = int(self._state["lkgr"])
if latest == lkgr:
print "ToT (r%d) is clean. Pushing to trunk." % latest
# TODO(machenbach): Call push to trunk script.
else:
print("ToT (r%d) is ahead of the LKGR (r%d). Skipping push to trunk."
% (latest, lkgr))
def BuildOptions():
result = optparse.OptionParser()
result.add_option("-s", "--step", dest="s",
help="Specify the step where to start work. Default: 0.",
default=0, type="int")
return result
def Main():
parser = BuildOptions()
(options, args) = parser.parse_args()
step_classes = [
Preparation,
FetchLatestRevision,
FetchLKGR,
PushToTrunk,
]
RunScript(step_classes, CONFIG, options, DEFAULT_SIDE_EFFECT_HANDLER)
if __name__ == "__main__":
sys.exit(Main())

27
tools/push-to-trunk/common_includes.py
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@ -244,8 +244,10 @@ class Step(object):
if self.Git("svn fetch") is None:
self.Die("'git svn fetch' failed.")
def PrepareBranch(self):
# Get ahold of a safe temporary branch and check it out.
if current_branch != self._config[TEMP_BRANCH]:
self.RestoreIfUnset("current_branch")
if self._state["current_branch"] != self._config[TEMP_BRANCH]:
self.DeleteBranch(self._config[TEMP_BRANCH])
self.Git("checkout -b %s" % self._config[TEMP_BRANCH])
@ -323,3 +325,26 @@ class UploadStep(Step):
args = "cl upload -r \"%s\" --send-mail" % reviewer
if self.Git(args,pipe=False) is None:
self.Die("'git cl upload' failed, please try again.")
def RunScript(step_classes,
config,
options,
side_effect_handler=DEFAULT_SIDE_EFFECT_HANDLER):
state = {}
steps = []
number = 0
for step_class in step_classes:
# TODO(machenbach): Factory methods.
step = step_class()
step.SetNumber(number)
step.SetConfig(config)
step.SetOptions(options)
step.SetState(state)
step.SetSideEffectHandler(side_effect_handler)
steps.append(step)
number += 1
for step in steps[options.s:]:
step.Run()

25
tools/push-to-trunk/push_to_trunk.py
View File

@ -59,6 +59,7 @@ class Preparation(Step):
def RunStep(self):
self.InitialEnvironmentChecks()
self.CommonPrepare()
self.PrepareBranch()
self.DeleteBranch(self.Config(TRUNKBRANCH))
@ -487,9 +488,9 @@ class CleanUp(Step):
self.Git("branch -D %s" % self.Config(TRUNKBRANCH))
def RunScript(config,
options,
side_effect_handler=DEFAULT_SIDE_EFFECT_HANDLER):
def RunPushToTrunk(config,
options,
side_effect_handler=DEFAULT_SIDE_EFFECT_HANDLER):
step_classes = [
Preparation,
FreshBranch,
@ -517,23 +518,7 @@ def RunScript(config,
CleanUp,
]
state = {}
steps = []
number = 0
for step_class in step_classes:
# TODO(machenbach): Factory methods.
step = step_class()
step.SetNumber(number)
step.SetConfig(config)
step.SetOptions(options)
step.SetState(state)
step.SetSideEffectHandler(side_effect_handler)
steps.append(step)
number += 1
for step in steps[options.s:]:
step.Run()
RunScript(step_classes, config, options, side_effect_handler)
def BuildOptions():

9
tools/push-to-trunk/test_scripts.py
View File

@ -160,6 +160,7 @@ class ScriptTest(unittest.TestCase):
]
self._rl_recipe = ["Y"]
self.MakeStep().CommonPrepare()
self.MakeStep().PrepareBranch()
self.assertEquals("some_branch", self.MakeStep().Restore("current_branch"))
def testCommonPrepareNoConfirm(self):
@ -170,7 +171,8 @@ class ScriptTest(unittest.TestCase):
["branch", " branch1\n* %s" % TEST_CONFIG[TEMP_BRANCH]],
]
self._rl_recipe = ["n"]
self.assertRaises(Exception, self.MakeStep().CommonPrepare)
self.MakeStep().CommonPrepare()
self.assertRaises(Exception, self.MakeStep().PrepareBranch)
self.assertEquals("some_branch", self.MakeStep().Restore("current_branch"))
def testCommonPrepareDeleteBranchFailure(self):
@ -182,7 +184,8 @@ class ScriptTest(unittest.TestCase):
["branch -D %s" % TEST_CONFIG[TEMP_BRANCH], None],
]
self._rl_recipe = ["Y"]
self.assertRaises(Exception, self.MakeStep().CommonPrepare)
self.MakeStep().CommonPrepare()
self.assertRaises(Exception, self.MakeStep().PrepareBranch)
self.assertEquals("some_branch", self.MakeStep().Restore("current_branch"))
def testInitialEnvironmentChecks(self):
@ -428,7 +431,7 @@ class ScriptTest(unittest.TestCase):
options.s = 0
options.l = None
options.c = TEST_CONFIG[CHROMIUM]
RunScript(TEST_CONFIG, options, self)
RunPushToTrunk(TEST_CONFIG, options, self)
deps = FileToText(TEST_CONFIG[DEPS_FILE])
self.assertTrue(re.search("\"v8_revision\": \"123456\"", deps))