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#!/usr/bin/python
# Copyright (C) 2014 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
'''Preparatory checks for Morph 'virtualbox-ssh' write extension'''
import cliapp
import morphlib.writeexts
class VirtualBoxPlusSshCheckExtension(morphlib.writeexts.WriteExtension):
def process_args(self, args):
if len(args) != 1:
raise cliapp.AppException('Wrong number of command line args')
self.require_btrfs_in_deployment_host_kernel()
upgrade = self.get_environment_boolean('UPGRADE')
if upgrade:
raise cliapp.AppException(
'Use the `ssh-rsync` write extension to deploy upgrades to an '
'existing remote system.')
VirtualBoxPlusSshCheckExtension().run()
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