Findit] Flake Checker: Pipeline to trigger try jobs to identify flake culprits

appengine/findit/waterfall/test/wf_testcase.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from google.appengine.api import users
 
 import copy
 
 import gae_ts_mon
 
@@ skipping 106 matching lines @@
     'upper_flake_threshold': 0.98,
     'max_flake_in_a_row': 4,
     'max_stable_in_a_row': 4,
     'iterations_to_rerun': 100,
     'max_build_numbers_to_look_back': 1000,
     'use_nearby_neighbor': True,
     'max_dive_in_a_row': 4,
     'dive_rate_threshold': 0.4,
 }
 
+_DEFAULT_CHECK_FLAKE_TRY_JOB_SETTINGS = {
+    'lower_flake_threshold': 0.02,
+    'upper_flake_threshold': 0.98,
+    'max_flake_in_a_row': 1,
+    'max_stable_in_a_row': 0,
+    'max_dive_in_a_row': 4,
+    'dive_rate_threshold': 0.4,
+}
+
 
 DEFAULT_CONFIG_DATA = {
     'steps_for_masters_rules': _DEFAULT_STEPS_FOR_MASTERS_RULES,
     'builders_to_trybots': _DEFAULT_TRY_BOT_MAPPING,
     'try_job_settings': _DEFAULT_TRY_JOB_SETTINGS,
     'swarming_settings': _DEFAULT_SWARMING_SETTINGS,
     'download_build_data_settings': _DEFAULT_DOWNLOAD_BUILD_DATA_SETTINGS,
     'action_settings': _DEFAULT_ACTION_SETTINGS,
     'check_flake_settings': _DEFAULT_CHECK_FLAKE_SETTINGS,
+    'check_flake_try_job_settings': _DEFAULT_CHECK_FLAKE_TRY_JOB_SETTINGS,
 }
 
 
 class WaterfallTestCase(TestCase):  # pragma: no cover.
 
   def UpdateUnitTestConfigSettings(self, config_property=None,
                                    override_data=None):
     """Sets up Findit's config for unit tests.
 
     Args:
       config_property: The name of the config property to update.
       override_data: A dict to override any default settings.
     """
     config_data = DEFAULT_CONFIG_DATA
 
     if config_property and override_data:
       config_data = copy.deepcopy(DEFAULT_CONFIG_DATA)
       config_data[config_property].update(override_data)
 
     FinditConfig.Get().Update(users.User(email='admin@chromium.org'), True,
                               **config_data)
 
   def setUp(self):
     super(WaterfallTestCase, self).setUp()
     self.UpdateUnitTestConfigSettings()
     self.maxDiff = None
     gae_ts_mon.reset_for_unittest(disable=True)