| # Copyright (C) 2018 Codethink Limited |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU Lesser General Public |
| # License as published by the Free Software Foundation; either |
| # version 2 of the License, or (at your option) any later version. |
| # |
| # This library is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # Lesser General Public License for more details. |
| # |
| # You should have received a copy of the GNU Lesser General Public |
| # License along with this library. If not, see <http://www.gnu.org/licenses/>. |
| # |
| # Author: |
| # Tristan Daniƫl Maat <tristan.maat@codethink.co.uk> |
| # |
| import os |
| from contextlib import contextmanager |
| |
| from .job import Job |
| from ..._platform import Platform |
| from ..._message import Message |
| |
| |
| class CleanupJob(Job): |
| def __init__(self, *args, complete_cb, **kwargs): |
| super().__init__(*args, **kwargs) |
| self._complete_cb = complete_cb |
| self._cache = Platform._instance.artifactcache |
| |
| def _child_process(self): |
| return self._cache.clean() |
| |
| def _parent_complete(self, success, result): |
| self._cache._set_cache_size(result) |
| if self._complete_cb: |
| self._complete_cb() |
| |
| @contextmanager |
| def _child_logging_enabled(self, logfile): |
| self._logfile = logfile.format(pid=os.getpid()) |
| yield self._logfile |
| self._logfile = None |
| |
| # _message(): |
| # |
| # Sends a message to the frontend |
| # |
| # Args: |
| # message_type (MessageType): The type of message to send |
| # message (str): The message |
| # kwargs: Remaining Message() constructor arguments |
| # |
| def _message(self, message_type, message, **kwargs): |
| args = dict(kwargs) |
| args['scheduler'] = True |
| self._scheduler.context.message(Message(None, message_type, message, **args)) |
| |
| def _child_log(self, message): |
| message.action_name = self.action_name |
| |
| with open(self._logfile, 'a+') as log: |
| message_text = self._format_frontend_message(message, '[cleanup]') |
| log.write('{}\n'.format(message_text)) |
| log.flush() |
| |
| return message |
| |
| def _child_process_data(self): |
| return {} |