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      1 # Copyright (c) 2009 Google Inc. All rights reserved.
      2 #
      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 disclaimer
     11 # in the documentation and/or other materials provided with the
     12 # distribution.
     13 #     * Neither the name of Google Inc. nor the names of its
     14 # contributors may be used to endorse or promote products derived from
     15 # 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 
     29 import os
     30 
     31 from webkitpy.common.system.deprecated_logging import log
     32 from webkitpy.common.config.ports import WebKitPort
     33 from webkitpy.tool.bot.sheriff import Sheriff
     34 from webkitpy.tool.bot.sheriffircbot import SheriffIRCBot
     35 from webkitpy.tool.commands.queues import AbstractQueue
     36 from webkitpy.tool.commands.stepsequence import StepSequenceErrorHandler
     37 
     38 
     39 class SheriffBot(AbstractQueue, StepSequenceErrorHandler):
     40     name = "sheriff-bot"
     41     watchers = AbstractQueue.watchers + [
     42         "abarth (at] webkit.org",
     43         "eric (at] webkit.org",
     44     ]
     45 
     46     def _update(self):
     47         self.run_webkit_patch(["update", "--force-clean", "--quiet"])
     48 
     49     # AbstractQueue methods
     50 
     51     def begin_work_queue(self):
     52         AbstractQueue.begin_work_queue(self)
     53         self._sheriff = Sheriff(self._tool, self)
     54         self._irc_bot = SheriffIRCBot(self._tool, self._sheriff)
     55         self._tool.ensure_irc_connected(self._irc_bot.irc_delegate())
     56 
     57     def work_item_log_path(self, failure_map):
     58         return None
     59 
     60     def _is_old_failure(self, revision):
     61         return self._tool.status_server.svn_revision(revision)
     62 
     63     def next_work_item(self):
     64         self._irc_bot.process_pending_messages()
     65         self._update()
     66 
     67         # FIXME: We need to figure out how to provoke_flaky_builders.
     68 
     69         failure_map = self._tool.buildbot.failure_map()
     70         failure_map.filter_out_old_failures(self._is_old_failure)
     71         if failure_map.is_empty():
     72             return None
     73         return failure_map
     74 
     75     def should_proceed_with_work_item(self, failure_map):
     76         # Currently, we don't have any reasons not to proceed with work items.
     77         return True
     78 
     79     def process_work_item(self, failure_map):
     80         failing_revisions = failure_map.failing_revisions()
     81         for revision in failing_revisions:
     82             builders = failure_map.builders_failing_for(revision)
     83             tests = failure_map.tests_failing_for(revision)
     84             try:
     85                 commit_info = self._tool.checkout().commit_info_for_revision(revision)
     86                 if not commit_info:
     87                     print "FAILED to fetch CommitInfo for r%s, likely missing ChangeLog" % revision
     88                     continue
     89                 self._sheriff.post_irc_warning(commit_info, builders)
     90                 self._sheriff.post_blame_comment_on_bug(commit_info, builders, tests)
     91 
     92             finally:
     93                 for builder in builders:
     94                     self._tool.status_server.update_svn_revision(revision, builder.name())
     95         return True
     96 
     97     def handle_unexpected_error(self, failure_map, message):
     98         log(message)
     99 
    100     # StepSequenceErrorHandler methods
    101 
    102     @classmethod
    103     def handle_script_error(cls, tool, state, script_error):
    104         # Ideally we would post some information to IRC about what went wrong
    105         # here, but we don't have the IRC password in the child process.
    106         pass
    107