showard | 34ab099 | 2009-10-05 22:47:57 +0000 | [diff] [blame^] | 1 | #!/usr/bin/python |
| 2 | |
| 3 | import logging, unittest |
| 4 | import common |
| 5 | from autotest_lib.client.common_lib import global_config |
| 6 | from autotest_lib.database import database_connection |
| 7 | from autotest_lib.frontend import setup_django_environment |
| 8 | from autotest_lib.frontend.afe import frontend_test_utils |
| 9 | from autotest_lib.scheduler import drone_manager, email_manager, monitor_db |
| 10 | |
| 11 | # translations necessary for scheduler queries to work with SQLite |
| 12 | _re_translator = database_connection.TranslatingDatabase.make_regexp_translator |
| 13 | _DB_TRANSLATORS = ( |
| 14 | _re_translator(r'NOW\(\)', 'time("now")'), |
| 15 | # older SQLite doesn't support group_concat, so just don't bother until |
| 16 | # it arises in an important query |
| 17 | _re_translator(r'GROUP_CONCAT\((.*?)\)', r'\1'), |
| 18 | ) |
| 19 | |
| 20 | class NullMethodObject(object): |
| 21 | _NULL_METHODS = () |
| 22 | |
| 23 | def __init__(self): |
| 24 | def null_method(*args, **kwargs): |
| 25 | pass |
| 26 | |
| 27 | for method_name in self._NULL_METHODS: |
| 28 | setattr(self, method_name, null_method) |
| 29 | |
| 30 | class MockGlobalConfig(object): |
| 31 | def __init__(self): |
| 32 | self._config_info = {} |
| 33 | |
| 34 | |
| 35 | def set_config_value(self, section, key, value): |
| 36 | self._config_info[(section, key)] = value |
| 37 | |
| 38 | |
| 39 | def get_config_value(self, section, key, type=str, |
| 40 | default=None, allow_blank=False): |
| 41 | identifier = (section, key) |
| 42 | if identifier not in self._config_info: |
| 43 | raise RuntimeError('Unset global config value: %s' % (identifier,)) |
| 44 | return self._config_info[identifier] |
| 45 | |
| 46 | |
| 47 | class MockDroneManager(NullMethodObject): |
| 48 | _NULL_METHODS = ('refresh', 'reinitialize_drones', |
| 49 | 'copy_to_results_repository') |
| 50 | |
| 51 | def __init__(self): |
| 52 | super(MockDroneManager, self).__init__() |
| 53 | # maps result_dir to set of tuples (file_path, file_contents) |
| 54 | self._attached_files = {} |
| 55 | # maps pidfile IDs to PidfileContents |
| 56 | self._pidfiles = {} |
| 57 | # pidfile IDs that haven't been created yet |
| 58 | self._future_pidfiles = [] |
| 59 | # the most recently created pidfile ID |
| 60 | self._last_pidfile_id = None |
| 61 | # maps (working_directory, pidfile_name) to pidfile IDs |
| 62 | self._pidfile_index = {} |
| 63 | |
| 64 | |
| 65 | # utility APIs for use by the test |
| 66 | |
| 67 | def set_last_pidfile_exit_status(self, exit_status): |
| 68 | assert self._last_pidfile_id is not None |
| 69 | self._set_pidfile_exit_status(self._last_pidfile_id, exit_status) |
| 70 | |
| 71 | |
| 72 | def set_pidfile_exit_status(self, working_directory, pidfile_name, |
| 73 | exit_status): |
| 74 | key = (working_directory, pidfile_name) |
| 75 | self._set_pidfile_exit_status(self._pidfile_index[key], exit_status) |
| 76 | |
| 77 | def _set_pidfile_exit_status(self, pidfile_id, exit_status): |
| 78 | contents = self._pidfiles[pidfile_id] |
| 79 | contents.exit_status = exit_status |
| 80 | contents.num_tests_failed = 0 |
| 81 | |
| 82 | |
| 83 | # DroneManager emulation APIs for use by monitor_db |
| 84 | |
| 85 | def get_orphaned_autoserv_processes(self): |
| 86 | return set() |
| 87 | |
| 88 | |
| 89 | def total_running_processes(self): |
| 90 | return 0 |
| 91 | |
| 92 | |
| 93 | def max_runnable_processes(self): |
| 94 | return 100 |
| 95 | |
| 96 | |
| 97 | def execute_actions(self): |
| 98 | # executing an "execute_command" causes a pidfile to be created |
| 99 | for pidfile_id in self._future_pidfiles: |
| 100 | # Process objects are opaque to monitor_db |
| 101 | self._pidfiles[pidfile_id].process = object() |
| 102 | self._future_pidfiles = [] |
| 103 | |
| 104 | |
| 105 | def attach_file_to_execution(self, result_dir, file_contents, |
| 106 | file_path=None): |
| 107 | self._attached_files.setdefault(result_dir, set()).add((file_path, |
| 108 | file_contents)) |
| 109 | return 'attach_path' |
| 110 | |
| 111 | |
| 112 | def execute_command(self, command, working_directory, pidfile_name, |
| 113 | log_file=None, paired_with_pidfile=None): |
| 114 | # TODO: record this |
| 115 | pidfile_id = object() # PidfileIds are opaque to monitor_db |
| 116 | self._future_pidfiles.append(pidfile_id) |
| 117 | self._pidfiles[pidfile_id] = drone_manager.PidfileContents() |
| 118 | self._pidfile_index[(working_directory, pidfile_name)] = pidfile_id |
| 119 | self._last_pidfile_id = pidfile_id |
| 120 | return pidfile_id |
| 121 | |
| 122 | |
| 123 | def get_pidfile_contents(self, pidfile_id, use_second_read=False): |
| 124 | return self._pidfiles.get(pidfile_id, |
| 125 | drone_manager.PidfileContents()) |
| 126 | |
| 127 | |
| 128 | def is_process_running(self, process): |
| 129 | return True |
| 130 | |
| 131 | |
| 132 | def register_pidfile(self, pidfile_id): |
| 133 | # TODO |
| 134 | pass |
| 135 | |
| 136 | |
| 137 | def absolute_path(self, path): |
| 138 | return 'absolute/' + path |
| 139 | |
| 140 | |
| 141 | def write_lines_to_file(self, file_path, lines, paired_with_process=None): |
| 142 | # TODO: record this |
| 143 | pass |
| 144 | |
| 145 | |
| 146 | def get_pidfile_id_from(self, execution_tag, pidfile_name): |
| 147 | return self._pidfile_index.get((execution_tag, pidfile_name), object()) |
| 148 | |
| 149 | |
| 150 | class MockEmailManager(NullMethodObject): |
| 151 | _NULL_METHODS = ('send_queued_emails', 'send_email') |
| 152 | |
| 153 | |
| 154 | class SchedulerFunctionalTest(unittest.TestCase, |
| 155 | frontend_test_utils.FrontendTestMixin): |
| 156 | # some number of ticks after which the scheduler is presumed to have |
| 157 | # stabilized, given no external changes |
| 158 | _A_LOT_OF_TICKS = 10 |
| 159 | |
| 160 | def setUp(self): |
| 161 | self._frontend_common_setup() |
| 162 | self._set_stubs() |
| 163 | self._set_global_config_values() |
| 164 | self.dispatcher = monitor_db.Dispatcher() |
| 165 | |
| 166 | logging.basicConfig(level=logging.DEBUG) |
| 167 | |
| 168 | |
| 169 | def tearDown(self): |
| 170 | self._frontend_common_teardown() |
| 171 | |
| 172 | |
| 173 | def _set_stubs(self): |
| 174 | self.mock_config = MockGlobalConfig() |
| 175 | self.god.stub_with(global_config, 'global_config', self.mock_config) |
| 176 | |
| 177 | self.mock_drone_manager = MockDroneManager() |
| 178 | self.god.stub_with(monitor_db, '_drone_manager', |
| 179 | self.mock_drone_manager) |
| 180 | |
| 181 | self.mock_email_manager = MockEmailManager() |
| 182 | self.god.stub_with(email_manager, 'manager', self.mock_email_manager) |
| 183 | |
| 184 | self._database = ( |
| 185 | database_connection.TranslatingDatabase.get_test_database( |
| 186 | file_path=self._test_db_file, |
| 187 | translators=_DB_TRANSLATORS)) |
| 188 | self._database.connect(db_type='django') |
| 189 | self.god.stub_with(monitor_db, '_db', self._database) |
| 190 | |
| 191 | |
| 192 | def _set_global_config_values(self): |
| 193 | self.mock_config.set_config_value('SCHEDULER', 'pidfile_timeout_mins', |
| 194 | 1) |
| 195 | |
| 196 | |
| 197 | def _initialize_test(self): |
| 198 | self.dispatcher.initialize() |
| 199 | |
| 200 | |
| 201 | def _run_dispatcher(self): |
| 202 | for _ in xrange(self._A_LOT_OF_TICKS): |
| 203 | self.dispatcher.tick() |
| 204 | |
| 205 | |
| 206 | def test_idle(self): |
| 207 | self._initialize_test() |
| 208 | self._run_dispatcher() |
| 209 | |
| 210 | |
| 211 | def test_simple_job(self): |
| 212 | self._initialize_test() |
| 213 | self._create_job(hosts=[1]) |
| 214 | self._run_dispatcher() # launches verify |
| 215 | self.mock_drone_manager.set_last_pidfile_exit_status(0) |
| 216 | self._run_dispatcher() # launches job |
| 217 | self.mock_drone_manager.set_last_pidfile_exit_status(0) |
| 218 | self._run_dispatcher() # launches parsing + cleanup |
| 219 | self.mock_drone_manager.set_pidfile_exit_status( |
| 220 | 'hosts/host1/2-cleanup', monitor_db._AUTOSERV_PID_FILE, 0) |
| 221 | self.mock_drone_manager.set_pidfile_exit_status( |
| 222 | '1-my_user/host1', monitor_db._PARSER_PID_FILE, 0) |
| 223 | self._run_dispatcher() |
| 224 | |
| 225 | |
| 226 | if __name__ == '__main__': |
| 227 | unittest.main() |