From 6f49299467a09236d7c0c564fe55bc8eafa7defd Mon Sep 17 00:00:00 2001 From: Adam Coldrick Date: Tue, 2 Jun 2015 08:22:26 +0000 Subject: Move extensions into a subdirectory Change-Id: I12e7c03b30da78da1eb220d2826ce0003d6efe2e --- extensions/rawdisk.check | 53 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100755 extensions/rawdisk.check (limited to 'extensions/rawdisk.check') diff --git a/extensions/rawdisk.check b/extensions/rawdisk.check new file mode 100755 index 00000000..9be0ce91 --- /dev/null +++ b/extensions/rawdisk.check @@ -0,0 +1,53 @@ +#!/usr/bin/python +# Copyright (C) 2014-2015 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, see . + +'''Preparatory checks for Morph 'rawdisk' write extension''' + +import cliapp + +import morphlib.writeexts + +import os + + +class RawdiskCheckExtension(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() + + location = args[0] + upgrade = self.get_environment_boolean('UPGRADE') + if upgrade: + if not self.is_device(location): + if not os.path.isfile(location): + raise cliapp.AppException( + 'Cannot upgrade %s: it is not an existing disk image' % + location) + + version_label = os.environ.get('VERSION_LABEL') + if version_label is None: + raise cliapp.AppException( + 'VERSION_LABEL was not given. It is required when ' + 'upgrading an existing system.') + else: + if not self.is_device(location): + if os.path.exists(location): + raise cliapp.AppException( + 'Target %s already exists. Use `morph upgrade` if you ' + 'want to update an existing image.' % location) + +RawdiskCheckExtension().run() -- cgit v1.2.1