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Diffstat (limited to 'qa/tasks/cephfs_test_runner.py')
| -rw-r--r-- | qa/tasks/cephfs_test_runner.py | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/qa/tasks/cephfs_test_runner.py b/qa/tasks/cephfs_test_runner.py new file mode 100644 index 000000000..8a4919b93 --- /dev/null +++ b/qa/tasks/cephfs_test_runner.py @@ -0,0 +1,213 @@ +import contextlib +import logging +import os +import unittest +from unittest import suite, loader, case +from teuthology.task import interactive +from teuthology import misc +from tasks.cephfs.filesystem import Filesystem, MDSCluster, CephCluster +from tasks.mgr.mgr_test_case import MgrCluster + +log = logging.getLogger(__name__) + + +class DecoratingLoader(loader.TestLoader): + """ + A specialization of TestLoader that tags some extra attributes + onto test classes as they are loaded. + """ + def __init__(self, params): + self._params = params + super(DecoratingLoader, self).__init__() + + def _apply_params(self, obj): + for k, v in self._params.items(): + if obj.__class__ is type: + cls = obj + else: + cls = obj.__class__ + setattr(cls, k, v) + + def loadTestsFromTestCase(self, testCaseClass): + self._apply_params(testCaseClass) + return super(DecoratingLoader, self).loadTestsFromTestCase(testCaseClass) + + def loadTestsFromName(self, name, module=None): + result = super(DecoratingLoader, self).loadTestsFromName(name, module) + + # Special case for when we were called with the name of a method, we get + # a suite with one TestCase + tests_in_result = list(result) + if len(tests_in_result) == 1 and isinstance(tests_in_result[0], case.TestCase): + self._apply_params(tests_in_result[0]) + + return result + + +class LogStream(object): + def __init__(self): + self.buffer = "" + + def write(self, data): + self.buffer += data + if "\n" in self.buffer: + lines = self.buffer.split("\n") + for line in lines[:-1]: + log.info(line) + self.buffer = lines[-1] + + def flush(self): + pass + + +class InteractiveFailureResult(unittest.TextTestResult): + """ + Specialization that implements interactive-on-error style + behavior. + """ + ctx = None + + def addFailure(self, test, err): + log.error(self._exc_info_to_string(err, test)) + log.error("Failure in test '{0}', going interactive".format( + self.getDescription(test) + )) + interactive.task(ctx=self.ctx, config=None) + + def addError(self, test, err): + log.error(self._exc_info_to_string(err, test)) + log.error("Error in test '{0}', going interactive".format( + self.getDescription(test) + )) + interactive.task(ctx=self.ctx, config=None) + + +@contextlib.contextmanager +def task(ctx, config): + """ + Run the CephFS test cases. + + Run everything in tasks/cephfs/test_*.py: + + :: + + tasks: + - install: + - ceph: + - ceph-fuse: + - cephfs_test_runner: + + `modules` argument allows running only some specific modules: + + :: + + tasks: + ... + - cephfs_test_runner: + modules: + - tasks.cephfs.test_sessionmap + - tasks.cephfs.test_auto_repair + + By default, any cases that can't be run on the current cluster configuration + will generate a failure. When the optional `fail_on_skip` argument is set + to false, any tests that can't be run on the current configuration will + simply be skipped: + + :: + tasks: + ... + - cephfs_test_runner: + fail_on_skip: false + + """ + + ceph_cluster = CephCluster(ctx) + + if len(list(misc.all_roles_of_type(ctx.cluster, 'mds'))): + mds_cluster = MDSCluster(ctx) + fs = Filesystem(ctx) + else: + mds_cluster = None + fs = None + + if len(list(misc.all_roles_of_type(ctx.cluster, 'mgr'))): + mgr_cluster = MgrCluster(ctx) + else: + mgr_cluster = None + + # Mount objects, sorted by ID + if hasattr(ctx, 'mounts'): + mounts = [v for k, v in sorted(ctx.mounts.items(), key=lambda mount: mount[0])] + else: + # The test configuration has a filesystem but no fuse/kclient mounts + mounts = [] + + decorating_loader = DecoratingLoader({ + "ctx": ctx, + "mounts": mounts, + "fs": fs, + "ceph_cluster": ceph_cluster, + "mds_cluster": mds_cluster, + "mgr_cluster": mgr_cluster, + }) + + fail_on_skip = config.get('fail_on_skip', True) + + # Put useful things onto ctx for interactive debugging + ctx.fs = fs + ctx.mds_cluster = mds_cluster + ctx.mgr_cluster = mgr_cluster + + # Depending on config, either load specific modules, or scan for moduless + if config and 'modules' in config and config['modules']: + module_suites = [] + for mod_name in config['modules']: + # Test names like cephfs.test_auto_repair + module_suites.append(decorating_loader.loadTestsFromName(mod_name)) + overall_suite = suite.TestSuite(module_suites) + else: + # Default, run all tests + overall_suite = decorating_loader.discover( + os.path.join( + os.path.dirname(os.path.abspath(__file__)), + "cephfs/" + ) + ) + + if ctx.config.get("interactive-on-error", False): + InteractiveFailureResult.ctx = ctx + result_class = InteractiveFailureResult + else: + result_class = unittest.TextTestResult + + class LoggingResult(result_class): + def startTest(self, test): + log.info("Starting test: {0}".format(self.getDescription(test))) + return super(LoggingResult, self).startTest(test) + + def addSkip(self, test, reason): + if fail_on_skip: + # Don't just call addFailure because that requires a traceback + self.failures.append((test, reason)) + else: + super(LoggingResult, self).addSkip(test, reason) + + # Execute! + result = unittest.TextTestRunner( + stream=LogStream(), + resultclass=LoggingResult, + verbosity=2, + failfast=True).run(overall_suite) + + if not result.wasSuccessful(): + result.printErrors() # duplicate output at end for convenience + + bad_tests = [] + for test, error in result.errors: + bad_tests.append(str(test)) + for test, failure in result.failures: + bad_tests.append(str(test)) + + raise RuntimeError("Test failure: {0}".format(", ".join(bad_tests))) + + yield |