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# 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 Daniël 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 {}
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