LoggerRuntimeConfigError exceptions can lead to background dbhash thread running until Evergreen task times out

Apply the following patch and run a test suite which uses the CheckReplDBHashInBackground hook: python buildscripts/resmoke.py --suite=replica_sets_jscore_passthrough jstests/core/apitest_dbcollection.js --log=buildlogger diff --git a/buildscripts/resmoke.py b/buildscripts/resmoke.py index db33d8b95e..82e7d0aa7c 100755 --- a/buildscripts/resmoke.py +++ b/buildscripts/resmoke.py @@ -64,6 +64,8 @@ class Resmoke(object): # pylint: disable=too-many-instance-attributes def _exit_logging(self): if not self._interrupted: logging.flush.stop_thread() + # Sleep here to simulate logging being slow. + time.sleep(60) self._exit_on_incomplete_logging()   def _exit_on_incomplete_logging(self): diff --git a/buildscripts/resmokelib/testing/report.py b/buildscripts/resmokelib/testing/report.py index 3365a17075..436554dfe1 100644 --- a/buildscripts/resmokelib/testing/report.py +++ b/buildscripts/resmokelib/testing/report.py @@ -9,6 +9,7 @@ import time import unittest   from .. import config as _config +from .. import errors from .. import logging     @@ -107,6 +108,12 @@ class TestReport(unittest.TestResult): # pylint: disable=too-many-instance-attr if test.dynamic: self.num_dynamic += 1   + if not test.test_name.endswith(("fixture_setup", "CheckReplDBHashInBackground")): + # Raise an error.LoggerRuntimeConfigError exception to simulate logkeeper being + # overwhelmed when running a test after the fixture has been set up. The goal is to have + # the background dbhash thread run but not the actual test file. + raise errors.LoggerRuntimeConfigError("Intentionally triggered!") + # Set up the test-specific logger. test_logger = self.job_logger.new_test_logger(test.short_name(), test.basename(), command, test.logger)