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