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# Copyright (c) 2009 Google Inc. 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 os
from webkitpy.common.system.deprecated_logging import log
from webkitpy.common.config.ports import WebKitPort
from webkitpy.tool.bot.sheriff import Sheriff
from webkitpy.tool.bot.sheriffircbot import SheriffIRCBot
from webkitpy.tool.commands.queues import AbstractQueue
from webkitpy.tool.commands.stepsequence import StepSequenceErrorHandler
class SheriffBot(AbstractQueue, StepSequenceErrorHandler):
name = "sheriff-bot"
watchers = AbstractQueue.watchers + [
"abarth@webkit.org",
"eric@webkit.org",
]
def _update(self):
self.run_webkit_patch(["update", "--force-clean", "--quiet"])
# AbstractQueue methods
def begin_work_queue(self):
AbstractQueue.begin_work_queue(self)
self._sheriff = Sheriff(self._tool, self)
self._irc_bot = SheriffIRCBot(self._tool, self._sheriff)
self._tool.ensure_irc_connected(self._irc_bot.irc_delegate())
def work_item_log_path(self, new_failures):
return os.path.join("%s-logs" % self.name, "%s.log" % new_failures.keys()[0])
def _new_failures(self, revisions_causing_failures, old_failing_svn_revisions):
# We ignore failures that might have been caused by svn_revisions that
# we've already complained about. This is conservative in the sense
# that we might be ignoring some new failures, but our experience has
# been that skipping this check causes a lot of spam for builders that
# take a long time to cycle.
old_failing_builder_names = []
for svn_revision in old_failing_svn_revisions:
old_failing_builder_names.extend(
[builder.name() for builder in revisions_causing_failures[svn_revision]])
new_failures = {}
for svn_revision, builders in revisions_causing_failures.items():
if svn_revision in old_failing_svn_revisions:
# FIXME: We should re-process the work item after some time delay.
# https://bugs.webkit.org/show_bug.cgi?id=36581
continue
new_builders = [builder for builder in builders
if builder.name() not in old_failing_builder_names]
if new_builders:
new_failures[svn_revision] = new_builders
return new_failures
def next_work_item(self):
self._irc_bot.process_pending_messages()
self._update()
# We do one read from buildbot to ensure a consistent view.
revisions_causing_failures = self._tool.buildbot.failure_map().revisions_causing_failures()
# Similarly, we read once from our the status_server.
old_failing_svn_revisions = []
for svn_revision in revisions_causing_failures.keys():
if self._tool.status_server.svn_revision(svn_revision):
old_failing_svn_revisions.append(svn_revision)
new_failures = self._new_failures(revisions_causing_failures,
old_failing_svn_revisions)
self._sheriff.provoke_flaky_builders(revisions_causing_failures)
return new_failures
def should_proceed_with_work_item(self, new_failures):
# Currently, we don't have any reasons not to proceed with work items.
return True
def process_work_item(self, new_failures):
blame_list = new_failures.keys()
for svn_revision, builders in new_failures.items():
try:
commit_info = self._tool.checkout().commit_info_for_revision(svn_revision)
if not commit_info:
print "FAILED to fetch CommitInfo for r%s, likely missing ChangeLog" % revision
continue
self._sheriff.post_irc_warning(commit_info, builders)
self._sheriff.post_blame_comment_on_bug(commit_info,
builders,
blame_list)
self._sheriff.post_automatic_rollout_patch(commit_info,
builders)
finally:
for builder in builders:
self._tool.status_server.update_svn_revision(svn_revision,
builder.name())
return True
def handle_unexpected_error(self, new_failures, message):
log(message)
# StepSequenceErrorHandler methods
@classmethod
def handle_script_error(cls, tool, state, script_error):
# Ideally we would post some information to IRC about what went wrong
# here, but we don't have the IRC password in the child process.
pass
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