src/mailman/commands/cli_status.py

   1 # Copyright (C) 2010-2016 by the Free Software Foundation, Inc.
   2 #
   3 # This file is part of GNU Mailman.
   4 #
   5 # GNU Mailman is free software: you can redistribute it and/or modify it under
   6 # the terms of the GNU General Public License as published by the Free
   7 # Software Foundation, either version 3 of the License, or (at your option)
   8 # any later version.
   9 #
  10 # GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 # more details.
  14 #
  15 # You should have received a copy of the GNU General Public License along with
  16 # GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 """The `mailman status` subcommand."""
  19
  20 import socket
  21
  22 from mailman import public
  23 from mailman.bin.master import WatcherState, master_state
  24 from mailman.core.i18n import _
  25 from mailman.interfaces.command import ICLISubCommand
  26 from zope.interface import implementer
  27
  28
  29 @public
  30 @implementer(ICLISubCommand)
  31 class Status:
  32     """Status of the Mailman system."""
  33
  34     name = 'status'
  35
  36     def add(self, parser, command_parser):
  37         """See `ICLISubCommand`."""
  38         pass
  39
  40     def process(self, args):
  41         """See `ICLISubCommand`."""
  42         status, lock = master_state()
  43         if status is WatcherState.none:
  44             message = _('GNU Mailman is not running')
  45         elif status is WatcherState.conflict:
  46             hostname, pid, tempfile = lock.details
  47             message = _('GNU Mailman is running (master pid: $pid)')
  48         elif status is WatcherState.stale_lock:
  49             hostname, pid, tempfile = lock.details
  50             message = _('GNU Mailman is stopped (stale pid: $pid)')
  51         else:
  52             hostname, pid, tempfile = lock.details
  53             fqdn_name = socket.getfqdn()            # noqa
  54             assert status is WatcherState.host_mismatch, (
  55                 'Invalid enum value: %s' % status)
  56             message = _('GNU Mailman is in an unexpected state '
  57                         '($hostname != $fqdn_name)')
  58         print(message)
  59         return status.value