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# -*- coding: utf-8 -*-
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# Copyright 2012-2016 Mir Calculate. http://www.calculate-linux.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from os import path
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from itertools import ifilter
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from calculate.core.datavars import DataVarsCore
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from calculate.core.server.gen_pid import search_worked_process
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from calculate.lib.cl_template import SystemIni
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from calculate.lib.utils.content import getCfgFiles
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from calculate.lib.utils.files import getRunCommands, readFile, writeFile
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class UpdateInfo(object):
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"""
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Информационный объект о процессе обновления
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"""
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update_file = "/var/lib/calculate/calculate-update/updates.available"
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def __init__(self, dv=None):
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if dv is None:
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self.dv = DataVarsCore()
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self.dv.importCore()
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else:
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self.dv = dv
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def need_update(self):
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return self.update_ready()
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@classmethod
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def update_ready(cls):
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"""
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Проверить есть ли обновления по ini.env
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"""
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return path.exists(cls.update_file)
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@classmethod
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def set_update_ready(cls, value):
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"""
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Установить статус обновления
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"""
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try:
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if value:
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writeFile(cls.update_file).close()
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else:
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os.unlink(cls.update_file)
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except OSError:
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pass
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def check_for_dispatch(self):
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"""
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Есть ли в системе не примененные файлы для dispatch-conf
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"""
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return bool(getCfgFiles(self.dv.Get('cl_config_protect'),
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prefix=self.dv.Get('cl_chroot_path')))
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def is_console_gui_run(self):
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"""
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Проверить есть ли уже запущенная копия console-gui
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"""
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return any(ifilter(lambda x: "cl-console-gui" in x, getRunCommands()))
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def update_already_run(self):
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"""
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В системе уже есть работающий процесс обновления
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"""
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return search_worked_process("update", self.dv)
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@property
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def outdated_kernel(self):
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flag_path = self.dv.Get('update.cl_update_outdated_kernel_path')
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if path.exists(flag_path):
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try:
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flag_kernel = readFile(flag_path).strip()
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current_kernel = self.dv.Get('update.cl_update_kernel_version')
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if flag_kernel != current_kernel:
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return True
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except ValueError:
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pass
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return False
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@outdated_kernel.setter
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def outdated_kernel(self, value):
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flag_path = self.dv.Get('update.cl_update_outdated_kernel_path')
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try:
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if value:
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with writeFile(flag_path) as f:
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f.write(self.dv.Get('update.cl_update_kernel_version'))
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else:
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if path.exists(flag_path):
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os.unlink(flag_path)
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except IOError:
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pass
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