diff options
Diffstat (limited to 'WebKitTools/Scripts/webkitpy/tool/commands/sheriffbot.py')
-rw-r--r-- | WebKitTools/Scripts/webkitpy/tool/commands/sheriffbot.py | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/WebKitTools/Scripts/webkitpy/tool/commands/sheriffbot.py b/WebKitTools/Scripts/webkitpy/tool/commands/sheriffbot.py new file mode 100644 index 0000000..24c8517 --- /dev/null +++ b/WebKitTools/Scripts/webkitpy/tool/commands/sheriffbot.py @@ -0,0 +1,136 @@ +# 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.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 |