def _GetImpl(self): path = self._request.path.strip('/') parts = self._request.path.split('/', 1) source_name = parts[0] if len(parts) == 2: source_path = parts[1] else: source_path = None _log.info('starting refresh of %s DataSource %s' % (source_name, '' if source_path is None else '[%s]' % source_path)) if 'commit' in self._request.arguments: commit = self._request.arguments['commit'] else: _log.warning('No commit given; refreshing from master. ' 'This is probably NOT what you want.') commit = None server_instance = self._CreateServerInstance(commit) success = True try: if source_name == 'platform_bundle': data_source = server_instance.platform_bundle elif source_name == 'content_providers': data_source = server_instance.content_providers else: data_source = CreateDataSource(source_name, server_instance) class_name = data_source.__class__.__name__ refresh_future = data_source.Refresh(source_path) assert isinstance(refresh_future, Future), ( '%s.Refresh() did not return a Future' % class_name) timer = Timer() try: refresh_future.Get() except Exception as e: _log.error('%s: error %s' % (class_name, traceback.format_exc())) success = False if IsFileSystemThrottledError(e): return Response.ThrottledError('Throttled') raise finally: _log.info('Refreshing %s took %s' % (class_name, timer.Stop().FormatElapsed())) except: success = False # This should never actually happen. _log.error('uncaught error: %s' % traceback.format_exc()) raise finally: _log.info('finished (%s)', 'success' if success else 'FAILED') return (Response.Ok('Success') if success else Response.InternalError('Failure'))
def _GetImpl(self): path = self._request.path.strip('/') parts = self._request.path.split('/', 1) source_name = parts[0] if len(parts) == 2: source_path = parts[1] else: source_path = None _log.info( 'starting refresh of %s DataSource %s' % (source_name, '' if source_path is None else '[%s]' % source_path)) if 'commit' in self._request.arguments: commit = self._request.arguments['commit'] else: _log.warning('No commit given; refreshing from master. ' 'This is probably NOT what you want.') commit = None server_instance = self._CreateServerInstance(commit) commit_tracker = CommitTracker(server_instance.object_store_creator) refresh_tracker = RefreshTracker(server_instance.object_store_creator) # If no commit was given, use the ID of the last cached master commit. # This allows sources external to the chromium repository to be updated # independently from individual refresh cycles. if commit is None: commit = commit_tracker.Get('master').Get() success = True try: if source_name == 'platform_bundle': data_source = server_instance.platform_bundle elif source_name == 'content_providers': data_source = server_instance.content_providers else: data_source = CreateDataSource(source_name, server_instance) class_name = data_source.__class__.__name__ refresh_future = data_source.Refresh(source_path) assert isinstance( refresh_future, Future), ('%s.Refresh() did not return a Future' % class_name) timer = Timer() try: refresh_future.Get() # Mark this (commit, task) pair as completed and then see if this # concludes the full cache refresh. The list of tasks required to # complete a cache refresh is registered (and keyed on commit ID) by the # CronServlet before kicking off all the refresh tasks. (refresh_tracker.MarkTaskComplete( commit, path).Then(lambda _: refresh_tracker.GetRefreshComplete( commit)).Then(lambda is_complete: commit_tracker.Set( 'master', commit) if is_complete else None).Get()) except Exception as e: _log.error('%s: error %s' % (class_name, traceback.format_exc())) success = False if IsFileSystemThrottledError(e): return Response.ThrottledError('Throttled') raise finally: _log.info('Refreshing %s took %s' % (class_name, timer.Stop().FormatElapsed())) except: success = False # This should never actually happen. _log.error('uncaught error: %s' % traceback.format_exc()) raise finally: _log.info('finished (%s)', 'success' if success else 'FAILED') return (Response.Ok('Success') if success else Response.InternalError('Failure'))