310 lines
11 KiB
Python
Executable File
310 lines
11 KiB
Python
Executable File
#!/usr/bin/python2 -O
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# -*- coding: utf-8 -*-
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"""
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# DESCRIPTION:
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# Entropy Object Oriented Interface
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Copyright (C) 2007-2009 Fabio Erculiani
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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from __future__ import with_statement
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import os
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import sys
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import time
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import gobject
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import dbus
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import dbus.service
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import dbus.mainloop.glib
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import signal
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from threading import Lock
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# Entropy imports
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sys.path.insert(0,'/usr/lib/entropy/libraries')
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sys.path.insert(0,'/usr/lib/entropy/server')
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sys.path.insert(0,'/usr/lib/entropy/client')
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sys.path.insert(0,'../libraries')
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sys.path.insert(0,'../server')
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sys.path.insert(0,'../client')
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from entropy.misc import TimeScheduled, ParallelTask
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from entropy.i18n import _
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from entropy.exceptions import *
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import entropy.tools as entropyTools
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from entropy.client.interfaces import Client
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from entropy.client.interfaces import Repository as RepoInterface
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from entropy.transceivers import urlFetcher
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from entropy.const import etpConst, ETP_LOGPRI_INFO, ETP_LOGLEVEL_NORMAL
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from entropy.misc import LogFile, TimeScheduled
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from entropy.core import SystemSettings as SysSet
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from entropy.output import TextInterface
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SYS_SETTINGS = SysSet()
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TEXT = TextInterface()
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DAEMON_LOGFILE = os.path.join(etpConst['syslogdir'],"client-updater.log")
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DAEMON_LOG = LogFile(SYS_SETTINGS['system']['log_level']+1,
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DAEMON_LOGFILE, header = "[client-updater]")
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DAEMON_DEBUG = False
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CHECK_DELAY_SECS = 60
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if "--debug" in sys.argv:
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DAEMON_DEBUG = True
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for xopt in sys.argv:
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if xopt.startswith("--secs=") and (len(xopt.split("=")) > 1):
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try:
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delay_secs = int(xopt.split("=")[1])
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CHECK_DELAY_SECS = delay_secs
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except ValueError:
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continue
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class DaemonUrlFetcher(urlFetcher):
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daemon_last_avg = 100
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__average = 0
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__downloadedsize = 0
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__remotesize = 0
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__datatransfer = 0
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def handle_statistics(self, th_id, downloaded_size, total_size,
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average, old_average, update_step, show_speed, data_transfer,
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time_remaining, time_remaining_secs):
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self.__average = average
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self.__downloadedsize = downloaded_size
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self.__remotesize = total_size
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self.__datatransfer = data_transfer
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def updateProgress(self):
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myavg = abs(int(round(float(self.__average),1)))
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if abs((myavg - self.daemon_last_avg)) < 1: return
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if int(myavg) % 10 == 0:
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DAEMON_LOG.write("fetch @ %s%s" % (myavg,"%",))
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self.daemon_last_avg = myavg
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class Entropy(Client):
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__previous_progress = ''
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def init_singleton(self):
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Client.init_singleton(self, noclientdb = False, load_ugc = False,
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url_fetcher = DaemonUrlFetcher, repo_validation = False)
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self.nocolor()
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self.updateProgress(
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"Loading Entropy Updates daemon: check every %s secs, logfile: %s" % (
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CHECK_DELAY_SECS, DAEMON_LOGFILE,)
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)
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def updateProgress(self, *args, **kwargs):
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message = args[0]
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if self.__previous_progress == message:
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return
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self.__previous_progress = message
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DAEMON_LOG.write(message)
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DAEMON_LOG.flush()
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if DAEMON_DEBUG:
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TEXT.updateProgress(*args,**kwargs)
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class UpdatesDaemon(dbus.service.Object):
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def __init__(self):
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if not entropyTools.is_user_in_entropy_group():
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raise PermissionDenied('insufficient permissions')
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self.Entropy = Entropy()
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self.__alive = False
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self.__updater = None
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self.__oncall_updater = None
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self.__trigger_oncall_updater = False
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self.__fetch_mutex = Lock()
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gobject.threads_init()
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# start dbus service
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object_path = "/org/entropy/Client"
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dbus.mainloop.glib.DBusGMainLoop(set_as_default = True)
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system_bus = dbus.SystemBus()
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name = dbus.service.BusName("org.entropy.Client", system_bus)
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dbus.service.Object.__init__ (self, system_bus, object_path)
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def start(self):
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self.stop()
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self.__alive = True
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self.__updater = gobject.timeout_add(
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CHECK_DELAY_SECS*1000, self.run_fetcher)
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self.__oncall_updater = gobject.timeout_add(
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1000, self.run_oncall_fetcher)
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def stop(self):
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if self.__alive:
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self.__alive = False
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if self.__updater != None:
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gobject.source_remove(self.__updater)
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if self.__oncall_updater != None:
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gobject.source_remove(self.__oncall_updater)
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def do_alert(self, string, msg, urgency = "critical"):
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TEXT.updateProgress('alert: %s, %s, urgency: %s' % (
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string, msg, urgency,))
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def run_oncall_fetcher(self):
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if not self.__trigger_oncall_updater:
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return self.__alive
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with self.__fetch_mutex:
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self.__trigger_oncall_updater = False
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self.__run_fetcher()
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return self.__alive
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def run_fetcher(self):
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with self.__fetch_mutex:
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self.__run_fetcher()
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return self.__alive
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def __run_fetcher(self):
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if DAEMON_DEBUG:
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self.Entropy.updateProgress(
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"__run_fetcher: called %s" % (time.time(),))
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if self.__updater == None:
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return 0
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# this makes sure we are always using the very best
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# client db
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self.Entropy.reopen_client_repository()
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rc = 0
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repos_to_up = self.compare_repositories_status()
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if repos_to_up:
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repos = repos_to_up.keys()
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try:
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repoConn = self.Entropy.Repositories(
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repos, fetchSecurity = False, noEquoCheck = True)
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if DAEMON_DEBUG:
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self.Entropy.updateProgress(
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"__run_fetcher: repository interface loaded")
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except MissingParameter, e:
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if DAEMON_DEBUG:
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self.Entropy.updateProgress(
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"__run_fetcher: MissingParameter exception, error: %s" % (e,))
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except Exception, e:
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if DAEMON_DEBUG:
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self.Entropy.updateProgress(
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"__run_fetcher: Unhandled exception, error: %s" % (e,))
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else:
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# -128: sync error, something bad happened
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# -2: repositories not available (all)
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# -1: not able to update all the repositories
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if DAEMON_DEBUG:
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self.Entropy.updateProgress(
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"__run_fetcher: preparing to run sync")
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rc = repoConn.sync()
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rc = rc*-1
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del repoConn
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if DAEMON_DEBUG:
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self.Entropy.updateProgress("__run_fetcher: sync done")
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if DAEMON_DEBUG:
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self.Entropy.updateProgress(
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"__run_fetcher: sync closed, rc: %s" % (rc,))
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if rc == 1:
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err = _("No repositories specified. Cannot check for package updates.")
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self.do_alert( _("Updates: attention"), err )
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return rc
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elif rc == 2:
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err = _("Cannot connect to the Updates Service, you're probably not connected to the world.")
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self.do_alert( _("Updates: connection issues"), err )
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return rc
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elif rc == -1:
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err = _("Not all the repositories have been fetched for checking")
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self.do_alert( _("Updates: repository issues"), err )
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return rc
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elif rc == -2:
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err = _("No repositories found online")
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self.do_alert( _("Updates: repository issues"), err )
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return rc
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elif rc == -128:
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err = _("Synchronization errors. Cannot update repositories. Check logs.")
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self.do_alert( _("Updates: sync issues"), err )
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return rc
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elif isinstance(rc,basestring):
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self.do_alert( _("Updates: unhandled error"), rc )
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return rc
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try:
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update, remove, fine = self.Entropy.calculate_world_updates()
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del fine, remove
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except Exception, e:
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entropyTools.print_traceback(f = DAEMON_LOG)
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msg = "%s: %s" % (_("Updates: error"),e,)
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self.do_alert(_("Updates: error"), msg)
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return 1
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if update:
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self.do_alert(
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_("Updates available"),
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"%s %d %s" % (
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_("There are"),len(update),_("updates available."),),
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urgency = 'critical'
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)
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self.signal_updates()
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return 0
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# compare repos status for updates
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@dbus.service.method ( "org.entropy.Client", in_signature = '',
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out_signature = 'a{si}')
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def compare_repositories_status(self):
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repos = {}
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try:
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repoConn = self.Entropy.Repositories(
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noEquoCheck = True, fetchSecurity = False)
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except MissingParameter:
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return repos
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except Exception, e:
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return repos
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# now get remote
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for repoid in self.Entropy.SystemSettings['repositories']['available']:
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self.Entropy.update_repository_revision(repoid)
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if repoConn.is_repository_updatable(repoid):
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if DAEMON_DEBUG:
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self.Entropy.updateProgress(
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"compare_repositories_status: repo needs to be updated: %s" % (repoid,))
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self.Entropy.repository_move_clear_cache(repoid)
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repo_rev = self.Entropy.get_repository_revision(repoid)
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online_rev = repoConn.get_online_repository_revision(repoid)
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repos[repoid] = {
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'local': repo_rev,
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'remote': online_rev,
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}
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del repoConn
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return repos
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# signal sent when updates are available for retrive
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@dbus.service.signal(dbus_interface = 'org.entropy.Client',
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signature = '')
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def signal_updates(self):
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pass
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if __name__ == "__main__":
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signal.signal(signal.SIGINT, signal.SIG_DFL)
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ud = UpdatesDaemon()
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ud.start()
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mainloop = gobject.MainLoop()
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mainloop.run()
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ud.stop()
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raise SystemExit(0) |